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AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 1 頁,共 16 頁 SIS Home About Us Site Map & Search Contact Us Env. Health & Toxicology TOXNET HSDB AMMONIUM DIHYDROGEN PHOSPHATE
There are various naming systems, some archaic, for the compounds derived from phosphoric acid (H3PO4), depending upon the reduction in the number of hydrogen atoms. When one hydrogen is replaced by a cation, the resulting polyatomic ion may be named as "dihydrogen phosphate" or as "monobasic phosphate". If two hydrogens are replaced, the names used include "biphosphate", "hydrogen phosphate", "monohydrogen phosphate", and "dibasic phosphate". When all three hydrogens have been replaced, it is called "tribasic". The term "hemibasic" is also sometimes found in older references to mean a mixture of the monobasic phosphate with phosphoric acid. For more information, search the NLM HSDB database.
Human Health Effects:
Human Toxicity Excerpts:
/SIGNS AND SYMPTOMS/ Acute . eye contact with concentrated alkali causes conjunctival edema and corneal
destruction. Alkalies penetrate skin slowly. Extent of damage therefore depends on duration of contact.
Chronic poisoning (from skin contact). Chronic dermatitis may follow repeated contact . /Alkalies and
Phosphates/
[Dreisbach, R.H. Handbook of Poisoning. 12th ed. Norwalk, CT: Appleton and Lange, 1987., p.
212] **PEER REVIEWED**
/OTHER TOXICITY INFORMATION/ . With large doses of . ammonium /salts/, there arises the possibility of
sufficient absorption to produce diuresis and systemic ammonia poisoning, particularly if material is
administered parenterally. /Ammonium Salts/
[Gosselin, R.E., R.P. Smith, H.C. Hodge. Clinical Toxicology of Commercial Products. 5th ed.
Baltimore: Williams and Wilkins, 1984., p. II-123] **PEER REVIEWED**
Probable Routes of Human Exposure:
According to the 2006 TSCA Inventory Update Reporting data, the number of persons reasonably likely to be
exposed in the industrial manufacturing, processing, and use of ammonium dihydrogen phosphate is 1000 or
greater; the data may be greatly underestimated(1).
[(1) US EPA; Inventory Update Reporting (IUR). Non-confidential 2006 IUR Records by Chemical,
including Manufacturing, Processing and Use Information. Washington, DC: U.S. Environmental
Protection Agency. Available from, as of Jul 14, 2011:
http://www.epa.gov/opptintr/iur/tools/data/index.html **PEER REVIEWED**
Emergency Medical Treatment:
Emergency Medical Treatment:
EMT Copyright Disclaimer:
Portions of the POISINDEX(R) and MEDITEXT(R) database have been provided
here for general reference. THE COMPLETE POISINDEX(R) DATABASE OR
MEDITEXT(R) DATABASE SHOULD BE CONSULTED FOR ASSISTANCE IN THE
DIAGNOSIS OR TREATMENT OF SPECIFIC CASES. The use of the POISINDEX
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 2 頁,共 16 頁 (R) and MEDITEXT(R) databases is at your sole risk. The POISINDEX(R) and MEDITEXT(R) databases are provided "AS IS" and "as available" for use, without warranties of any kind, either expressed or implied. Micromedex makes no representation or warranty as to the accuracy, reliability, timeliness, usefulness or completeness of any of the information contained in the POISINDEX(R) and MEDITEXT(R) databases. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE ARE HEREBY EXCLUDED. Micromedex does not assume any responsibility or risk for your use of the POISINDEX(R) or MEDITEXT(R) databases. Copyright 1974-2012 Thomson MICROMEDEX. All Rights Reserved. Any duplication, replication, "downloading," sale, redistribution or other use for commercial purposes is a violation of Micromedex' rights and is strictly prohibited. The following Overview, *** AMMONIUM PHOSPHATE, MONOBASIC ***, is
relevant for this HSDB record chemical.
Life Support:
o This overview assumes that basic life support measures
have been instituted.
Clinical Effects:
0.2.1 SUMMARY OF EXPOSURE 0.2.1.1 ACUTE EXPOSURE A) Ammonium phosphate, monobasic is a mild eye irritant. Concentrated solutions may irritate the skin. Mild respiratory tract irritation, nausea, and vomiting may be seen after inhalation of vapor. Nausea, vomiting and diarrhea may occur following ingestion. B) It has been postulated that ingestion or parenteral injection of large quantities might result in systemic ammonia poisoning, but there are no reported human cases. C) If ammonium phosphate, monobasic is heated to the point of decomposition, fumes of oxides of phosphorus, oxides of nitrogen, and ammonia may be released and cause more severe respiratory tract irritation. 0.2.4 HEENT 0.2.4.1 ACUTE EXPOSURE A) Mild eye, nose, and throat irritation may occur. 0.2.6 RESPIRATORY 0.2.6.1 ACUTE EXPOSURE A) Inhalation may cause respiratory tract irritation. 0.2.8 GASTROINTESTINAL 0.2.8.1 ACUTE EXPOSURE A) Nausea and vomiting may occur with inhalation or ingestion. Diarrhea and abdominal cramps may be noted following ingestion. 0.2.14 DERMATOLOGIC 0.2.14.1 ACUTE EXPOSURE A) Mild dermal irritation may occur with direct exposure to concentrated solutions. 0.2.20 REPRODUCTIVE HAZARDS A) At the time of this review, no data were available to http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 3 頁,共 16 頁 assess the potential effects of exposure to this agent
during pregnancy or lactation.
0.2.21 CARCINOGENICITY
0.2.21.1 IARC CATEGORY
A) IARC Carcinogenicity Ratings for CAS7722-76-1 (IARC
Working Group on the Evaluation of Carcinogenic Risks
to Humans, 2006; IARC Working Group on the Evaluation
of Carcinogenic Risks to Humans, 2007; IARC Working
Group on the Evaluation of Carcinogenic Risks to
Humans, 2010; IARC Working Group on the Evaluation of
Carcinogenic Risks to Humans, 2010a; IARC Working Group
on the Evaluation of Carcinogenic Risks to Humans,
2008; IARC, 2004):
1) Not Listed
Laboratory:
A) Patients with significant respiratory tract irritation
should have baseline arterial blood gases and chest
x-ray.
Treatment Overview:
0.4.2 ORAL EXPOSURE A) Significant toxicity is not expected except perhaps after extremely large ingestions. In general dilution is the only form of decontamination needed. B) DILUTION: Immediately dilute with 4 to 8 ounces (120 to 240 mL) of water or milk (not to exceed 4 ounces/120 mL in a child). C) Avoid induction of emesis. D) GASTRIC LAVAGE: Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). Protect airway by placement in the head down left lateral decubitus position or by endotracheal intubation. Control any seizures first. 1) CONTRAINDICATIONS: Loss of airway protective reflexes or decreased level of consciousness in unintubated patients; following ingestion of corrosives; hydrocarbons (high aspiration potential); patients at risk of hemorrhage or gastrointestinal perforation; and trivial or non-toxic ingestion. E) ACTIVATED CHARCOAL: Administer charcoal as a slurry (240 mL water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents, 25 to 50 g in children (1 to 12 years), and 1 g/kg in infants less than 1 year old. F) If significant vomiting or diarrhea occur, replace fluid and electrolyte losses. 0.4.3 INHALATION EXPOSURE A) INHALATION: Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with inhaled beta2 agonist and oral or parenteral corticosteroids. http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 4 頁,共 16 頁 B) If significant respiratory tract irritation is present,
administer 100% humidified supplemental oxygen with
assisted ventilation as required.
0.4.4 EYE EXPOSURE
A) DECONTAMINATION: Irrigate exposed eyes with copious
amounts of room temperature water for at least 15
minutes. If irritation, pain, swelling, lacrimation, or
photophobia persist, the patient should be seen in a
health care facility.
0.4.5 DERMAL EXPOSURE
A) OVERVIEW
1) DECONTAMINATION: Remove contaminated clothing and wash
exposed area thoroughly with soap and water. A
physician may need to examine the area if irritation or
pain persists.
Range of Toxicity:
A) Maximum tolerated doses have not been established; it is
generally considered to be of low toxicity.

[Rumack BH POISINDEX(R) Information System Micromedex, Inc., Englewood, CO, 2012; CCIS Volume
152, edition expires May, 2012. Hall AH & Rumack BH (Eds): TOMES(R) Information System
Micromedex, Inc., Englewood, CO, 2012; CCIS Volume 152, edition expires May, 2012.] **PEER
REVIEWED**
Antidote and Emergency Treatment:
/SRP:/ Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not
breathing, start artificial respiration, preferably with a demand valve resuscitator, bag-valve-mask device, or
pocket mask, as trained. Perform CPR if necessary. Immediately flush contaminated eyes with gently flowing
water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on the left side (head-down
position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain
normal body temperature. Obtain medical attention. /Ammonia and related compounds/
[Currance, P.L. Clements, B., Bronstein, A.C. (Eds).; Emergency Care For Hazardous Materials
Exposure. 3Rd edition, Elsevier Mosby, St. Louis, MO 2005, p. 198] **PEER REVIEWED**
/SRP:/ Basic treatment: Establish a patent airway (oropharyngeal or nasopharyngeal airway, if needed).
Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer
oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for signs of pulmonary edema and treat if
necessary . . Monitor for shock and treat if necessary . . For eye contamination, flush eyes immediately with
water. Irrigate each eye continuously with 0.9% saline (NS) during transport . . Do not use emetics. For
ingestion, rinse mouth and administer 5 mg/kg up to 200 ml of water for dilution if the patent can swallow,
has a strong gag reflex, and does not drool . . Do not attempt to neutralize. /Ammonia and related
compounds/
[Currance, P.L. Clements, B., Bronstein, A.C. (Eds).; Emergency Care For Hazardous Materials
Exposure. 3Rd edition, Elsevier Mosby, St. Louis, MO 2005, p. 198] **PEER REVIEWED**
/SRP:/ Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient
who is unconscious, has severe pulmonary edema, or is in severe respiratory distress. Positive-pressure
ventilation techniques with a bag-valve-mask device may be beneficial. Consider drug therapy for pulmonary
edema . . Consider administering a beta agonist such as albuterol for severe bronchospasm . . Monitor
cardiac rhythm and treat arrhythmias if necessary . . Start IV administration of D5W /SRP: "To keep open",
minimal flow rate/. Use 0.9% saline (NS) or lactated Ringer's (LR) if signs of hypovolemia are present. For
hypotension with signs of hypovolemia, administer fluid cautiously. Consider vasopressors if patient is
hypotensive with a normal fluid volume. Watch for signs of fluid overload . . Use proparacaine hydrochloride
to assist eye irrigation . . /Ammonium and related compounds/
[Currance, P.L. Clements, B., Bronstein, A.C. (Eds).; Emergency Care For Hazardous Materials
Exposure. 3Rd edition, Elsevier Mosby, St. Louis, MO 2005, p. 199] **PEER REVIEWED**
/SRP:/ Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not
breathing, start artificial respiration, preferably with a demand-valve resuscitator, bag-valve-mask device, or
pocket mask, as trained. Perform CPR as necessary. Immediately flush contaminated eyes with gently flowing
water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down
position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain
normal body temperature. Obtain medical attention. /Phosphorus and related compounds/
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 5 頁,共 16 頁 [Currance, P.L. Clements, B., Bronstein, A.C. (Eds).; Emergency Care For Hazardous Materials
Exposure. 3Rd edition, Elsevier Mosby, St. Louis, MO 2005, p. 494] **PEER REVIEWED**
/SRP:/ Basic treatment: Establish a patent airway (oropharyngeal or nasopharyngeal airway, if needed).
Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer
oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary . .
Monitor for shock and treat if necessary . . Anticipate seizures and treat if necessary . . For eye
contamination, flush eyes immediately with water. Irrigate each eye continuously with 0.9% saline (NS) during
transport . . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for
dilution if the patient can swallow, has a strong gag reflex, and does not drool . . Administer activated
charcoal . . If product was ingested, protect yourself from contact with vomitus as it may cause
burns. /Phosphorus and related compounds/
[Currance, P.L. Clements, B., Bronstein, A.C. (Eds).; Emergency Care For Hazardous Materials
Exposure. 3Rd edition, Elsevier Mosby, St. Louis, MO 2005, p. 494] **PEER REVIEWED**
/SRP:/ Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient
who is unconscious, has severe pulmonary edema, or is in severe respiratory distress. Positive-pressure
ventilation techniques with a bag valve mask device may be beneficial. Consider drug therapy for pulmonary
edema . . Monitor cardiac rhythm and treat arrhythmias if necessary . . Start IV administration of
D5W /SRP: "To keep open", minimal flow rate/. Use 0.9% saline (NS) or lactated Ringer's (LR) if signs of
hypovolemia are present. For hypotension with signs of hypovolemia, administer fluid cautiously. Watch for
signs of fluid overload . . Treat seizures with diazepam or lorazepam . . Monitor for signs of hypoglycemia
(decreased LOC, tachycardia, pallor, dilated pupils, diaphoresis, and/or dextrose stick or glucometer readings
below 50 mg/dl) and administer 50% dextrose if necessary. Draw blood sample before administration . . Use
proparacaine hydrochloride to assist eye irrigation . . /Phosphorus and related compounds/
[Currance, P.L. Clements, B., Bronstein, A.C. (Eds).; Emergency Care For Hazardous Materials
Exposure. 3Rd edition, Elsevier Mosby, St. Louis, MO 2005, p. 494] **PEER REVIEWED**
Animal Toxicity Studies:
Non-Human Toxicity Excerpts:
/LABORATORY ANIMALS: Acute Exposure/. It has been shown that solutions containing 0.1 molar .
ammonium phosphate . at pH 7-7.5 made up to 0.46 osmolar (1.5 times isotonic concentration) by addition
of sodium chloride or sucrose and dripped continuously on eyes of rabbits caused edema of epithelium of the
cornea within 3-3.5 hr. /Ammonium Phosphate/
[Grant, W.M. Toxicology of the Eye. 3rd ed. Springfield, IL: Charles C. Thomas Publisher,
1986., p. 92] **PEER REVIEWED**
Non-Human Toxicity Values:
LD50 Rabbit dermal >7940 mg/kg bw
[European Commission, ESIS; IUCLID Dataset, ammonium dihydrogenorthophosphate (7722-76-1)
p.27(2000 CD-ROM edition). Available from as of July 30, 2011 http://esis.jrc.ec.europa.eu/
**PEER REVIEWED**
LD50 Rat oral 5750 mg/kg bw
[European Commission, ESIS; IUCLID Dataset, ammonium dihydrogenorthophosphate (7722-76-1)
p.26(2000 CD-ROM edition). Available from as of July 30, 2011 http://esis.jrc.ec.europa.eu/
**PEER REVIEWED**
Metabolism/Pharmacokinetics:
Metabolism/Metabolites:
A defect in phosphate metabolism occurs in a variety of diseases. . Rickets . Osteomalacia . Primary or
Secondary Hyperparathyroidism . Chronic Renal Failure. /Phosphates/
[Hardman, J.G., L.E. Limbird, P.B. Molinoff, R.W. Ruddon, A.G. Goodman (eds.). Goodman and
Gilman's The Pharmacological Basis of Therapeutics. 9th ed. New York, NY: McGraw-Hill, 1996.,
p. 1525] **PEER REVIEWED**
Absorption, Distribution & Excretion:
/Ortho/ phosphate is absorbed from, and to a limited extent secreted into, the gastrointestinal tract. Transport
of phosphate from the gut lumen is an active, energy-dependent process that is modified by several factors. .
Vitamin D stimulates phosphate absorption, an effect reported to precede its action on calcium ion transport.
In adults, about two thirds of the ingested phosphate is absorbed, and that which is absorbed is almost
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 6 頁,共 16 頁 entirely excreted into the urine. In growing children, phosphate balance is positive. Concentrations of
phosphate in plasma are higher in children than in adults. This "hyperphosphatemia" decreases the affinity of
hemoglobin for oxygen and is hypothesized to explain the physiological "anemia" of childhood. /Phosphates/
[Hardman, J.G., L.E. Limbird, P.B. Molinoff, R.W. Ruddon, A.G. Goodman (eds.). Goodman and
Gilman's The Pharmacological Basis of Therapeutics. 9th ed. New York, NY: McGraw-Hill, 1996.,
p. 1524] **PEER REVIEWED**
Pharmacology:
Bionecessity:
Phosphate as nutrient is a limiting factor to plant growth. /Phosphate/
[Seiler, H.G., H. Sigel and A. Sigel (eds.). Handbook on the Toxicity of Inorganic Compounds.
New York, NY: Marcel Dekker, Inc. 1988., p. 527] **PEER REVIEWED**
Environmental Fate & Exposure:
Probable Routes of Human Exposure:
According to the 2006 TSCA Inventory Update Reporting data, the number of persons reasonably likely to be
exposed in the industrial manufacturing, processing, and use of ammonium dihydrogen phosphate is 1000 or
greater; the data may be greatly underestimated(1).
[(1) US EPA; Inventory Update Reporting (IUR). Non-confidential 2006 IUR Records by Chemical,
including Manufacturing, Processing and Use Information. Washington, DC: U.S. Environmental
Protection Agency. Available from, as of Jul 14, 2011:
http://www.epa.gov/opptintr/iur/tools/data/index.html **PEER REVIEWED**
Environmental Standards & Regulations:
FIFRA Requirements:
Residues of monoammonium phosphate are exempted from the requirement of a tolerance when used in
accordance with good agricultural practice as inert (or occasionally active) ingredients in pesticide formulations
applied to growing crops or to raw agricultural commodities after harvest. Use: Postharvest fumigation in
formulation with aluminum phosphide. Limit: No more than 3.75% by weight in formulation.
[40 CFR 180.910 (USEPA); U.S. National Archives and Records Administration's Electronic Code
of Federal Regulations. Available from, as of July 5, 2011: http://www.gpoaccess.gov/ecfr
**PEER REVIEWED**
Acceptable Daily Intakes:
FAO/WHO Expert Committee on Food Additives . recommended . /levels/ for total dietary phosphorus .
unconditional acceptance level /of less than 30 mg/kg body wt/ is considered safe in any type of diet .
conditional acceptance level /of 30-70 mg/kg body wt/ is acceptable only when dietary calcium level is
high. /Phosphates/
[Furia, T.E. (ed.). CRC Handbook of Food Additives. 2nd ed. Cleveland: The Chemical Rubber
Co., 1972., p. 641] **PEER REVIEWED**
FDA Requirements:
Substance added directly to human food affirmed as generally recognized as safe (GRAS).
[21 CFR 184.1141a (USFDA); U.S. National Archives and Records Administration's Electronic
Code of Federal Regulations. Available from, as of July 18, 2011:
http://www.gpoaccess.gov/ecfr **PEER REVIEWED**
Ammonium phosphate (mono-, and dibasic) used as a general purpose food additive in animal drugs, feeds,
and related products is generally recognized as safe when used in accordance with good manufacturing or
feeding practice.
[21 CFR 582.1141 (USFDA); U.S. National Archives and Records Administration's Electronic Code
of Federal Regulations. Available from, as of July 18, 2011: http://www.gpoaccess.gov/ecfr
**PEER REVIEWED**
Allowable Tolerances:
Residues of monoammonium phosphate are exempted from the requirement of a tolerance when used in
accordance with good agricultural practice as inert (or occasionally active) ingredients in pesticide formulations
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 7 頁,共 16 頁 applied to growing crops or to raw agricultural commodities after harvest. Use: Postharvest fumigation in
formulation with aluminum phosphide. Limit: No more than 3.75% by weight in formulation.
[40 CFR 180.910 (USEPA); U.S. National Archives and Records Administration's Electronic Code
of Federal Regulations. Available from, as of July 5, 2011: http://www.gpoaccess.gov/ecfr
**PEER REVIEWED**
Chemical/Physical Properties:
Molecular Formula:
H3-N.H3-O4-P
**PEER REVIEWED**
Molecular Weight:
115.026
[Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor &
Francis, Boca Raton, FL 2007, p. 4-46] **PEER REVIEWED**
Color/Form:
White, tetrahedral crystals
[Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor &
Francis, Boca Raton, FL 2007, p. 4-46] **PEER REVIEWED**
Brilliant white crystals or powder
[Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 15th Edition. John Wiley & Sons,
Inc. New York, NY 2007., p. 72] **PEER REVIEWED**
Odor:
Odorless
[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals.
Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 88] **PEER REVIEWED**
Faint acid
[U.S. Coast Guard, Department of Transportation. CHRIS - Hazardous Chemical Data. Volume II.
Washington, D.C.: U.S. Government Printing Office, 1984-5.] **PEER REVIEWED**
Melting Point:
190 deg C
[Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor &
Francis, Boca Raton, FL 2007, p. 4-46] **PEER REVIEWED**
Density/Specific Gravity:
1.80 g/cu cm
[Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor &
Francis, Boca Raton, FL 2007, p. 4-46] **PEER REVIEWED**
pH:
pH of 0.2 Molar aq soln: 4.2
[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals.
Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 88] **PEER REVIEWED**
Solubilities:
Slightly soluble in ethanol; insoluble in acetone
[Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor &
Francis, Boca Raton, FL 2007, p. 4-46] **PEER REVIEWED**
40.4 g/100 g water at 25 deg C
[Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor &
Francis, Boca Raton, FL 2007, p. 4-46] **PEER REVIEWED**
1 g dissolves in about 2.5 mL water; slightly soluble in alcohol; practically insoluble in acetone
[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals.
Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 88] **PEER REVIEWED**
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 8 頁,共 16 頁
Spectral Properties:
Index of refraction: 1.525; 1.479, both at 589 nm
[Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor &
Francis, Boca Raton, FL 2007, p. 10-249] **PEER REVIEWED**
Other Chemical/Physical Properties:
Mildly acid in reaction
[Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 15th Edition. John Wiley & Sons,
Inc. New York, NY 2007., p. 72] **PEER REVIEWED**
HEAT OF SOLN: 42 BTU/LB= 23 CAL/G= 0.97X10+5 JOULES/KG
[U.S. Coast Guard, Department of Transportation. CHRIS - Hazardous Chemical Data. Volume II.
Washington, D.C.: U.S. Government Printing Office, 1984-5.] **PEER REVIEWED**
The crystals have piezoelecric properties; very stable (7 Pa at 125 deg C)
[Schroedter K et al; Ullmann's Encyclopedia of Industrial Chemistry. 7th ed. (1999-2011). New
York, NY: John Wiley & Sons; Phosphoric Acid and Phosphates. Online Posting Date: 15 Jan
2008] **PEER REVIEWED**
Decomposes at high temperature, affording ammonia and polyphosphoric acid
[Gard DR; Kirk-Othmer Encyclopedia of Chemical Technology. (1999-2011). New York, NY: John
Wiley & Sons; Phosphoric Acids and Phosphates. Online Posting Date: 15 Jul 2005] **PEER
REVIEWED**
Chemical Safety & Handling:
Toxic Combustion Products:
Toxic and irritating fumes of ammonia and oxides of nitrogen may form in fires.
[U.S. Coast Guard, Department of Transportation. CHRIS - Hazardous Chemical Data. Volume II.
Washington, D.C.: U.S. Government Printing Office, 1984-5.] **PEER REVIEWED**
Hazardous Reactivities & Incompatibilities:
A self-propagating reaction can occur when either sodium bicarbonate or potassium bicarbonate-based dry
chemical extinguishing agent is mixed with monoammonium phosphate dry chemical extinguishing agent.
Moisture will accelerate the reaction. Products are water, ammonia, carbon dioxide and various solid
substances. In a fire extinguisher the pressure developed will blow out the valve.
[National Fire Protection Association; Fire Protection Guide to Hazardous Materials. 14TH
Edition, Quincy, MA 2010, p. 491-177] **PEER REVIEWED**
An explosive reaction occurred when monoammonium phosphate was used to extinguish a sodium fire. No
reactions were experienced when sodium bicarbonate or potassium bicarbonate was used in a sodium fire.
[National Fire Protection Association; Fire Protection Guide to Hazardous Materials. 14TH
Edition, Quincy, MA 2010, p. 491-175] **PEER REVIEWED**
Hazardous Decomposition:
Decomposes to ammonia and phosphoric acid when heated.
[Toy ADF, Walsh EN; Phosphorus Chemistry in Everyday Living 2nd ed p.136 (1987)] **PEER
REVIEWED**
Stability/Shelf Life:
Stable in air
[Budavari, S. (ed.). The Merck Index - Encyclopedia of Chemicals, Drugs and Biologicals.
Rahway, NJ: Merck and Co., Inc., 1989., p. 87] **PEER REVIEWED**
Disposal Methods:
SRP: The most favorable course of action is to use an alternative chemical product with less inherent
propensity for occupational harm/injury/toxicity or environmental contamination. Recycle any unused portion
of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the
chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on
animal and plant life; and conformance with environmental and public health regulations.
**PEER REVIEWED**
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicine . 第 9 頁,共 16 頁
Occupational Exposure Standards:
Manufacturing/Use Information:
Major Uses:
As baking powder with sodium bicarbonate; in fermentations (yeast cultures, etc.); fireproofing of paper,
wood, fiberboard, etc.
[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals.
Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 88] **PEER REVIEWED**
Fertilizer; to prevent afterglow in matches; plant nutrient soln; manufacture of bread improvers . analytical
chemistry
[Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 15th Edition. John Wiley & Sons,
Inc. New York, NY 2007., p. 72] **PEER REVIEWED**
A common fire-extinguishing ingredient in ABC-type dry-powder extinguishers . Used as flame retardants for
cellulosic materials, including plywood, papers, and fabrics, to prevent afterglow in and to control forest
fires /Ammonium phosphates/
[Gard DR; Kirk-Othmer Encyclopedia of Chemical Technology. (1999-2011). New York, NY: John
Wiley & Sons; Phosphoric Acids and Phosphates. Online Posting Date: 15 Jul 2005] **PEER
REVIEWED**
Pure . is used as /a/ fertilizer in irrigated greenhouses (completely water-soluble)
[Kongshaug G et al; Ullmann's Encyclopedia of Industrial Chemistry. 7th ed. (1999-2011). New
York, NY: John Wiley & Sons; Phosphate Fertilizers. Online Posting Date: 15 Jun 2000] **PEER
REVIEWED**
Single crystals of monoammonium phosphates are used . in underwater sounding equipment instead of
quartz oscillators. . Has applications in ceramic binders.
[Schroedter K et al; Ullmann's Encyclopedia of Industrial Chemistry. 7th ed. (1999-2011). New
York, NY: John Wiley & Sons; Phosphoric Acid and Phosphates. Online Posting Date: 15 Jan
2008] **PEER REVIEWED**
Manufacturers:
Agrifos Fertilizer, Inc. 2001 Jackson Rd., Pasadena, TX 77506, (713) 920-5300; Production site: Pasadena, TX
77506
[SRI Consulting, 2010 Directory of Chemical Producers. Menlo Park, CA. 2010, p. 728] **PEER
REVIEWED**
Agrium US Inc., 4582 South Ulster Street, Suite 1400, Denver CO 80237, (303) 804-4400. Production site:
Conda, ID 83276
[SRI Consulting, 2010 Directory of Chemical Producers. Menlo Park, CA. 2010, p. 728] **PEER
REVIEWED**
CF Industries, Inc., 4 Parkway North Blvd., Suite 400, Deerfield, IL 60015, (847) 405-2730; Production site:
Plant City, FL 33565
[SRI Consulting, 2010 Directory of Chemical Producers. Menlo Park, CA. 2010, p. 728] **PEER
REVIEWED**
The Mosaic Co., Atria Corporate Center, Suite E490, 3033 Campus Dr., Plymouth, MN 55441, (763) 577-2700;
Production sites: Bartow, FL 33830; New Wales, FL 33860; Riverview, FL 33569; St. James, LA 70086
[SRI Consulting, 2010 Directory of Chemical Producers. Menlo Park, CA. 2010, p. 728] **PEER
REVIEWED**
PCS Phosphate Co., Inc., P.O. Box 3320, Northbrook, IL 60065, (847) 849-4200; Production sites: Auroro, NC
27806; White Springs, FL 32096
[SRI Consulting, 2010 Directory of Chemical Producers. Menlo Park, CA. 2010, p. 728] **PEER
REVIEWED**
J R Simplot Co., 999 Main St., Suite 1300, Boise, ID 83702, (208) 336-2110; Minerals and Chemical Div;
Production site: Pocatello, ID 83201
[SRI Consulting, 2010 Directory of Chemical Producers. Menlo Park, CA. 2010, p. 728] **PEER
REVIEWED**
Vertellus Specialties, Inc., 300 N. Meridian St., Suite 1500, Indianapolis, IN 46204-1763, (317) 247-8141;
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicin. 第 10 頁,共 16 頁 Vertellus Health & Specialty Products LLC; Production site: Delaware Water Gap, PA 18327 [SRI Consulting, 2010 Directory of Chemical Producers. Menlo Park, CA. 2010, p. 728] **PEER REVIEWED** Ammonium dihydrogen phosphate - Producers and Manufacture Data (2006) City State
Manufacture Import
Arysta LifeScience Arysta LifeScience New York NY No Arysta LifeScience Arysta LifeScience Cary NC Chemical Company Chemical Co. South CA 90280 http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicin. 第 11 頁,共 16 頁 Division of Heritage Division of Heritage Indianapolis Technologies, LLC Technologies, LLC IN 46231 Mosaic Fertilizer, Piedmont Chemical Piedmont Chemical High Point NC Yes Potash Corporation PCS Phosphate - Aurora NC Vertellus Health & Vertellus Health & Delaware Specialty Products Specialty Products Water Gap PA Yes
[US EPA; Inventory Update Reporting (IUR). Non-confidential 2006 IUR Records by Chemical,
including Manufacturing, Processing and Use Information. Washington, DC: U.S. Environmental
Protection Agency. Available from, as of Jul 14, 2011:
http://www.epa.gov/opptintr/iur/tools/data/index.html **PEER REVIEWED**
Methods of Manufacturing:
Monoammonium phosphate . is produced by reaction of anhydrous ammonia and phosphoric acid in batch or
continuous reactors and crystallized in conventional crystallizers because the partial pressure of ammonia over
this acidic solution is relatively low. Crystals are centrifuged and dried below 100 deg C in a rotary dryer, and
mother liquor is returned to the reactor.
[Gard DR; Kirk-Othmer Encyclopedia of Chemical Technology. (2001). New York, NY: John Wiley &
Sons; Phosphoric Acids and Phosphates. Online Posting Date: 15 Jul 2005] **PEER REVIEWED**
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicin. 第 12 頁,共 16 頁 Ammonium monophosphates are produced by neutralization of phosphoric acid with ammonia. Crude or
partially purified wet phosphoric acid is mostly used for fertilizer applications. However, pure thermal
phosphoric acid is used preferentially for the production of commercial ammonium phosphates with an assay
>99 %. /Ammonium phosphates/
[Schrodter K et al; Ullmann's Encyclopedia of Industrial Chemistry 7th ed. (2010). NY, NY:
John Wiley & Sons; Phosphoric Acid and Phosphates. Online Posting Date: January 15, 2008]
**PEER REVIEWED**
By pumping dried ammonia gas into an 80% solution of phosphoric acid. Product composition is controlled by
maintaining the pH at 3.8 to 4.5. When the mixture is cooled, crystals of monoammonium phosphate
precipitate.
[Toy ADF, Walsh EN; Phosphorus Chemistry in Everyday Living 2nd ed p.136 (1987)] **PEER
REVIEWED**
General Manufacturing Information:
Produced in large scale as fertilizer
[Gard DR; Kirk-Othmer Encyclopedia of Chemical Technology. (1999-2011). New York, NY: John
Wiley & Sons; Phosphoric Acids and Phosphates. Online Posting Date: 15 Jul 2005] **PEER
REVIEWED**
Pure monoammonium phosphate has a grade 12.1-61.7-0 (nitrogen-phosphorus-potassium), but is never
made for fertilizer use. Made from wet-process acid, the grade for fertilizer use is typically 10-54-0 to 11-52-0,
but may be as low as 10-50-0, depending on the impurity level of the starting acid.
[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley
and Sons, 1991-Present., p. V10: 471 (1993)] **PEER REVIEWED**
Granular MAP can be produced in a plant similar to that used for diammonium phosphate with little process
modification.
[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley
and Sons, 1991-Present., p. V10: 472 (1993)] **PEER REVIEWED**
The thermal route (for making phosphoric acid starting material) results in a food-grade acid of high purity and
is too expensive for fertilizer production. Essentially all the acid used in fertilizer production is made by wet
processes.
[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley
and Sons, 1991-Present., p. V10: 459 (1993)] **PEER REVIEWED**
Formulations/Preparations:
Grades: Technical; CP /chemically pure: a grade designation signifying a minimum of impurities, but not 100%
purity/; FCC /Food Chemicals Codex/; single crystals.
[Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 15th Edition. John Wiley & Sons,
Inc. New York, NY 2007., p. 72] **PEER REVIEWED**
Granular product, made with wet-process acid, has a grade of about 10-53-0. Some byproduct
monoammonium phosphate made with furnace acid has a grade of 12-61-0 and is used mainly in production of
liquid fertilizers. Nongranular (powder) monoammonium phosphate is used in formulations for granular NP and
NPK fertilizers, which it can react with additional ammonia and aid granulation.
[Farm Chemicals Handbook 1998. Willoughby, OH: Meister Publishing Co., 1998., p. B-32] **PEER
REVIEWED**
Fertilizer grade, min 13% N, 52% P.
[Kavaler AR; Chemical Marketing Reporter, Chemical Profile: Ammonium Phosphates, September
18, 1995] **PEER REVIEWED**
. Granular and nongranular (powder) forms.
[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley
and Sons, 1991-Present., p. V10: 472 (1993)] **PEER REVIEWED**
Phosphoric acid is infinitely miscible with water. It is commercially available in three standard concentrations:
75% H3PO4 with 54.3% P2O5, mp -20 deg C; 80% H3PO4 with 58.0% P2O5, mp 0 deg C; 85% H3PO4 with
61.6% P2O5, mp +21 deg C.
[Schrodter K et al; Ullmann's Encyclopedia of Industrial Chemistry 7th ed. (2010). NY, NY:
John Wiley & Sons; Phosphoric Acid and Phosphates. Online Posting Date: January 15, 2008]
**PEER REVIEWED**
Consumption Patterns:
Ammonium Phosphates. 100% fertilizers: diammonium phosphate 87% (49% domestic, 51% export);
monoammonium phosphate 13% (60% domestic, 40% export). /Ammonium phosphates/
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicin. 第 13 頁,共 16 頁 [Kavaler AR; Chemical Marketing Reporter 230 (11): 33 (1986)] **PEER REVIEWED**
Fertilizer, 98% (DAP, 70%; MAP 23%, other solid ammonium phosphates, 5%); industrial uses, 1.5%; animal
feed, 0.5%. /Ammonium phosphates/
[Chemical Marketing Reporter; Chemical Profile Ammonium Phosphates. September 18, 1995.
NY,NY: Schnell Pub Co (1995)] **PEER REVIEWED**
U. S. Production:
Ammonium phosphates. Demand: 1985-1986 (Fertilizer year): 10.07 million tons; 1986-1987 /projected/:
10.32 million tons; 1990-1991 /projected/: 12.1 million tons. /Ammonium phosphates/
[Kavaler AR; Chemical Marketing Reporter 230 (11): 33 (1986)] **PEER REVIEWED**
Ammonium phosphates. 100% fertilizers: diammonium phosphate 85%; monoammonium phosphates 15%.
Exports account for 50% of total ammonium phosphates production. /Ammonium phosphates/
[Kavaler AR; Chemical Marketing Reporter 236 (10): 48 (1989)] **PEER REVIEWED**
Ammonium phosphates. Demand: 1988-1989 (fertilizer year): 15.25 million tons; 1989-1990 /projected/:
15.55 million tons; 1993-1994 /projected/: 17.0 million tons. (Includes exports, but not imports, which are
negligible.) /Ammonium phosphates/
[Kavaler AR; Chemical Marketing Reporter 236 (10): 50 (1989)] **PEER REVIEWED**
Production (year) in thousands of tons: (1987) 1,679; (1988) 1,818; (1989) 1,862; (1990) 2,252; (1991)
2,227; (1992) 2,342; (1993) 2,693; (1994) 2,869; (1995) 2,715; (1996) 3,332; (1997) 3,286.
[Chemical & Engineering News, 76(26) p.47 (1998)] **PEER REVIEWED**
Demand: 1994: 7.8 million tons; 1995: 8 million tons; 1999 (projected): 8.8 million tons (figures are on a
P2O5 basis and represent crop years. Includes exports, which were about 5.8 million tons for crop year 1995,
but not imports which were negligible). /Ammonium phosphates/
[Chemical Marketing Reporter; Chemical Profile Ammonium Phosphates. September 18, 1995.
NY,NY: Schnell Pub Co (1995)] **PEER REVIEWED**
During the year ending June 30, 1990, monoammonium phosphate used in the U.S. furnished 985 tons of
P2O5.
[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley
and Sons, 1991-Present., p. V10: 471 (1993)] **PEER REVIEWED**
Production volumes for non-confidential chemicals reported under the Inventory Update Rule.
Year Production Range (pounds)
1986 >50 million - 100 million
1990 >10 thousand - 500 thousand
1990 >10 thousand - 500 thousand
1998 >10 thousand - 500 thousand
2002 >10 thousand - 500 thousand

[US EPA; Non-confidential Production Volume Information Submitted by Companies for Chemicals
Under the 1986-2002 Inventory Update Rule (IUR). Phosphoric acid, monoammonium salt (7722-76-
1). Available from, as of July 18, 2011: http://www.epa.gov/oppt/iur/tools/data/2002-vol.html
**PEER REVIEWED**
Production volume for non-confidential chemicals reported under the 2006 Inventory Update Rule. Chemical:
Phosphoric acid, ammonium salt. Aggregated National Production Volume: 1 billion lbs and greater.
[US EPA; Non-Confidential 2006 Inventory Update Reporting. National Chemical Information.
Phosphoric acid, ammonium salt (7722-76-1). Available from, as of July 18, 2011:
http://cfpub.epa.gov/iursearch/index.cfm?s=chem&err=t **PEER REVIEWED**
U. S. Imports:
Crop year 1995, negligible /Ammonium phosphates/
[Chemical Marketing Reporter; Chemical Profile Ammonium Phosphates. September 18, 1995.
NY,NY: Schnell Pub Co (1995)] **PEER REVIEWED**
U. S. Exports:
About 5.8 million tons (P2O5 basis) for crop year 1995 /Ammonium phosphates/
[Chemical Marketing Reporter; Chemical Profile Ammonium Phosphates. September 18, 1995.
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicin. 第 14 頁,共 16 頁 NY,NY: Schnell Pub Co (1995)] **PEER REVIEWED**
Laboratory Methods:
Special References:
Special Reports:
WHO; Diseases Caused by Phosphorus and Its Toxic Compounds; Early Detection of Occupational Diseases pg
53-62 (1986). Review of diseases and health related effects resulting from exposure to phosphorus or
phosphorus cmpd.
Synonyms and Identifiers:
Synonyms:
AMMONIUM ACID PHOSPHATE
**PEER REVIEWED**
AMMONIUM DIACID PHOSPHATE
**PEER REVIEWED**
AMMONIUM DIHYDROGEN ORTHOPHOSPHATE
**PEER REVIEWED**
AMMONIUM DIHYDROGEN PHOSPHATE ((NH4)H2PO4
**PEER REVIEWED**
AMMONIUM DIHYDROPHOSPHATE
**PEER REVIEWED**
AMMONIUM MONOBASIC PHOSPHATE
**PEER REVIEWED**
AMMONIUM MONOBASIC PHOSPHATE (NH4H2PO4)
**PEER REVIEWED**
AMMONIUM ORTHOPHOSPHATE DIHYDROGEN
**PEER REVIEWED**
AMMONIUM PHOSPHATE, MONOBASIC
**PEER REVIEWED**
AMMONIUM PHOSPHATE (NH4H2PO4)
**PEER REVIEWED**
AMMONIUM PRIMARY PHOSPHATE
**PEER REVIEWED**
DIHYDROGEN AMMONIUM PHOSPHATE
**PEER REVIEWED**
MONOAMMONIUM ACID PHOSPHATE
**PEER REVIEWED**
MONOAMMONIUM DIHYDROGEN ORTHOPHOSPHATE
**PEER REVIEWED**
MONOAMMONIUM DIHYDROGEN PHOSPHATE
**PEER REVIEWED**
MONOAMMONIUM DIHYDROGEN PHOSPHATE ((NH4)H2PO4)
**PEER REVIEWED**
MONOAMMONIUM HYDROGEN PHOSPHATE
**PEER REVIEWED**
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicin. 第 15 頁,共 16 頁
MONOAMMONIUM ORTHOPHOSPHATE
**PEER REVIEWED**
MONOBASIC AMMONIUM PHOSPHATE
**PEER REVIEWED**
PHOSPHORIC ACID, MONOAMMONIUM SALT
**PEER REVIEWED**
PRIMARY AMMONIUM PHOSPHATE
**PEER REVIEWED**
Monoammonium phosphate
**PEER REVIEWED**
Formulations/Preparations:
Grades: Technical; CP /chemically pure: a grade designation signifying a minimum of impurities, but not 100%
purity/; FCC /Food Chemicals Codex/; single crystals.
[Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 15th Edition. John Wiley & Sons,
Inc. New York, NY 2007., p. 72] **PEER REVIEWED**
Granular product, made with wet-process acid, has a grade of about 10-53-0. Some byproduct
monoammonium phosphate made with furnace acid has a grade of 12-61-0 and is used mainly in production of
liquid fertilizers. Nongranular (powder) monoammonium phosphate is used in formulations for granular NP and
NPK fertilizers, which it can react with additional ammonia and aid granulation.
[Farm Chemicals Handbook 1998. Willoughby, OH: Meister Publishing Co., 1998., p. B-32] **PEER
REVIEWED**
Fertilizer grade, min 13% N, 52% P.
[Kavaler AR; Chemical Marketing Reporter, Chemical Profile: Ammonium Phosphates, September
18, 1995] **PEER REVIEWED**
. Granular and nongranular (powder) forms.
[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley
and Sons, 1991-Present., p. V10: 472 (1993)] **PEER REVIEWED**
Phosphoric acid is infinitely miscible with water. It is commercially available in three standard concentrations:
75% H3PO4 with 54.3% P2O5, mp -20 deg C; 80% H3PO4 with 58.0% P2O5, mp 0 deg C; 85% H3PO4 with
61.6% P2O5, mp +21 deg C.
[Schrodter K et al; Ullmann's Encyclopedia of Industrial Chemistry 7th ed. (2010). NY, NY:
John Wiley & Sons; Phosphoric Acid and Phosphates. Online Posting Date: January 15, 2008]
**PEER REVIEWED**
Administrative Information:
Hazardous Substances Databank Number: 1229
Last Revision Date: 20120214
Last Review Date: Reviewed by SRP on 9/22/2011
Update History:
Complete Update on 2012-02-14, 29 fields added/edited/deleted
Complete Update on 08/06/2002, 1 field added/edited/deleted.
Complete Update on 01/14/2002, 1 field added/edited/deleted.
Complete Update on 08/09/2001, 1 field added/edited/deleted.
Complete Update on 02/02/2000, 1 field added/edited/deleted.
Complete Update on 09/21/1999, 1 field added/edited/deleted.
Complete Update on 04/28/1999, 31 fields added/edited/deleted.
Field Update on 03/19/1999, 1 field added/edited/deleted.
Complete Update on 06/02/1998, 1 field added/edited/deleted.
Complete Update on 04/07/1997, 1 field added/edited/deleted.
Complete Update on 01/24/1997, 1 field added/edited/deleted.
Complete Update on 05/10/1996, 1 field added/edited/deleted.
Complete Update on 01/21/1996, 1 field added/edited/deleted.
Complete Update on 12/22/1994, 1 field added/edited/deleted.
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229 AMMONIUM DIHYDROGEN PHOSPHATE - National Library of Medicin. 第 16 頁,共 16 頁 Complete Update on 03/25/1994, 1 field added/edited/deleted. Complete Update on 06/04/1993, 39 fields added/edited/deleted. Field update on 12/19/1992, 1 field added/edited/deleted. Complete Update on 08/17/1992, 24 fields added/edited/deleted. Field update on 01/28/1991, 1 field added/edited/deleted. Complete Update on 10/10/1990, 1 field added/edited/deleted. Complete Update on 05/04/1990, 1 field added/edited/deleted. Complete Update on 12/24/1984 Created 19830401 by SYS http://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1229

Source: http://ogserv.tactri.gov.tw/emailcaseLine/upload/1010502-01-01BaseFile1.PDF

Refill policy sample

OverviewThe following pages contain details on how to administer our automatic refill policy. Our intentis to streamline, standardize and reduce waiting times for refills of medications. The policyemphasizes standard times and rules for refills that should result in improved safety and qualityof care. The medications are listed by generic and trade names and have attached a time during which thep

Redei.vp

Folia Geobotanica 38: 453–467, 2003 ON THE POSSIBLE ROLE OF LOCAL EFFECTS ON THE SPECIES RICHNESS OF ACIDIC AND CALCAREOUS ROCK GRASSLANDS IN NORTHERN HUNGARY Tamás Rédei 1) , Zoltán Botta-Dukát 1) , János Csiky 2) , András Kun 1) & Tibor Tóth 3) 1) Institute of Ecology and Botany of the Hungarian Academy of Sciences, H-2163 Vácrátót, Hungary; e-mailredy@botanika.hu (Réde

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