CAS No.7722-76-1,Ammonium dihydrogen orthophosphate Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	7722-76-1
Name:	Ammonium dihydrogen orthophosphate

Formula:	NH₆PO₄
Molecular Weight:	115.026
Synonyms:	azanium,dihydrogen phosphate;Ammonium dihydrogen phosphate;
EINECS:	231-764-5
Density:	1.02 g/mL at 20 °C
Melting Point:	190 °C (dec.)(lit.)
Boiling Point:	158 °C at 760 mmHg
Solubility:	H₂O: 0.1 M at 20 °C
Appearance:	white crystalline powder
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	24/25-36-26
Transport Information:	UN 3264
PSA:	90.40000
LogP:	-0.11420

Synthetic route

: 86119-84-8, 7664-38-2
phosphoric acid

: 57-13-6
urea

A: 7722-76-1
ammonium dihydrogen phosphate

B: 124-38-9
carbon dioxide

Conditions

Conditions	Yield
With water Kinetics;

...Expand

: tricalcium diphosphate

A: 7722-76-1
ammonium dihydrogen phosphate

B: 86119-84-8, 7664-38-2
phosphoric acid

Conditions

Conditions	Yield
With ammonium sulfate; sulfuric acid In not given byproducts: CaSO4; in presence of 16.2-22.2% (NH4)2SO4;
With H2SO4; (NH4)2SO4 In not given byproducts: CaSO4; in presence of 16.2-22.2% (NH4)2SO4;

: tricalcium diphosphate

: ammonium sulfate

: 86119-84-8, 7664-38-2
phosphoric acid

: 7722-76-1
ammonium dihydrogen phosphate

Conditions

Conditions	Yield
In not given with H3PO4 soln., at higher temp.;
In not given with H3PO4 soln., at higher temp.;

...Expand

: phosphorus

: 7722-76-1
ammonium dihydrogen phosphate

Conditions

Conditions	Yield
With ammonia; water at high temp., in sealed quarz tube in N2 flow;
With NH3; H2O at high temp., in sealed quarz tube in N2 flow;

: 14700-20-0, 2817-45-0
phosphoramidic acid

: 7722-76-1
ammonium dihydrogen phosphate

Conditions

Conditions	Yield
With phosphoramidic acid In water boiling;
With phosphoramidic acid In water boiling;
With water In water-d2 Kinetics; hydrolysis in D2O; catalyst: acids;;

: P4N6

A: diammonium hydrogenphosphate

B: 7722-76-1
ammonium dihydrogen phosphate

C: 13446-12-3
ammonium dihydrogenphosphite

Conditions

Conditions	Yield
With water In neat (no solvent) heating in sealed tube at 215°C, 12 h;
With H2O In neat (no solvent) heating in sealed tube at 215°C, 12 h;

...Expand

: P4N6

: phosphorus(V) nitride

A: diammonium hydrogenphosphate

B: 7722-76-1
ammonium dihydrogen phosphate

C: 13446-12-3
ammonium dihydrogenphosphite

Conditions

Conditions	Yield
With water hydrolysis;
With H2O hydrolysis;

...Expand

: phosphorus(V) nitride

A: diammonium hydrogenphosphate

B: 7722-76-1
ammonium dihydrogen phosphate

Conditions

Conditions	Yield
With water In neat (no solvent) heating in sealed tube at 215°C, 12 h;
With H2O In neat (no solvent) heating in sealed tube at 215°C, 12 h;

: anhydrous calcium hydrogen phosphate

: 1066-33-7
ammonium bicarbonate

: 7722-76-1
ammonium dihydrogen phosphate

Conditions

Conditions	Yield
In not given at higher temp.;
In not given at higher temp.;

: 13446-12-3
ammonium dihydrogenphosphite

: 7722-76-1
ammonium dihydrogen phosphate

Conditions

Conditions	Yield
With water byproducts: H2; heated under pressure;
With H2O byproducts: H2; heated under pressure;

Raw Materials

57-13-6

Downstream Products

124-43-6

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Specification

Ammonium dihydrogen phosphate is also known as Monoammonium phosphate. It is a white tetragonal crystals with chemical formula NH₄H₂PO₄. Its EINECS registry number is 231-764-5 and its CAS number is 7722-76-1. What's more, the substance is soluble in water which will melt at 190 °C. Ammonium dihydrogen phosphate can be mixed with all water-soluble fertilisers, except for calcium fertilisers and concentrated magnesium solutions. It should be kept in a tightly closed container, stored in a cool, dry, ventilated area and protected against physical damage. Ammonium dihydrogen phosphate is stable under ordinary conditions of use and storage.

Physical properties about Ammonium dihydrogen phosphate are: (1)ACD/LogP: -2.148; (2)ACD/LogD (pH 5.5): -5.41; (3)ACD/LogD (pH 7.4): -6.38; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)#H bond acceptors: 4; (7)#H bond donors: 3; (8)Boiling Point: 158 °C at 760 mmHg; (9)Vapour Pressure: 1.41 mmHg at 25°C

Preparation of Ammonium dihydrogen phosphate: Ammonium dihydrogen phosphate can be prepared by venturi cyclic reaction method. Firstly, you should dilute 85% thermal phosphoric acid to 1.3～1.4 times and then add into reactor where it mixed and reacted with ammonia.

H₃PO₄ + NH₃→ NH₄H₂PO₄

There also are neutralization method and multiple decomposite method in industrial production, but neutralization method is more commonly used. It will need phosphoric acid and aqueous ammonia.

H₃PO₄ + NH₄OH → NH₄H₂PO4 + H₂O

Uses of Ammonium dihydrogen phosphate: Ammonium dihydrogen phosphate is often used in the blending of dry agricultural fertilizers. It is a widely used crystal in the field of optics due to its birefringence properties. The compound is also a component of the ABC powder in some dry chemical fire extinguishers. This substance is also supplied in an emerald green or aquamarine crystal growing box kit for kids.

When using Ammonium dihydrogen phosphate, you should very cautious about it. This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: [NH4+].OP(=O)(O)[O-]
(2)InChI: InChI=1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)
(3)InChIKey: LFVGISIMTYGQHF-UHFFFAOYSA-N