CAS 7722-76-1 Ammonium dihydrogen orthophosphate

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Ammonium dihydrogen orthophosphate

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Catalog Number

ACM7722761

CAS Number

7722-76-1

Product Name

Ammonium dihydrogen orthophosphate

Structure

Category

Electrolytes

Description

DryPowder; DryPowder, PelletsLargeCrystals; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid

IUPAC Name

azanium;dihydrogen phosphate

Molecular Weight

115.03g/mol

Molecular Formula

NH4H2PO4;H6NO4P

Canonical SMILES

[NH4+].OP(=O)(O)[O-]

InChI

InChI=1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

InChI Key

LFVGISIMTYGQHF-UHFFFAOYSA-N

Melting Point

190 °C

Density

1.80 g/cu cm

Solubility

Slightly soluble in ethanol; insoluble in acetone;40.4 g/100 g water at 25 °C;1 g dissolves in about 2.5 mL water; slightly soluble in alcohol; practically insoluble in acetone

Application

Ammonium dihydrogen orthophosphate serves multiple important purposes across various industries due to its specialized chemical properties. It is commonly used as a versatile food additive, functioning as a dough strengthener and leavening agent in baking, as well as a firming and pH control agent in condiments and puddings. Additionally, its efficacy as a fertilizer is notable, providing both nitrogen and phosphorus for plant growth through its high solubility and fast action in soil. The compound's excellent physical properties make it suitable for integration into compound fertilizers. Beyond its agricultural and food industry applications, ammonium dihydrogen orthophosphate is also relevant in technological fields, where its piezoelectric qualities have been harnessed for sonar transducers and other electronic applications, demonstrating its adaptability and broad range of uses.

Color/Form

White, tetrahedral crystals;Brilliant white crystals or powder

Complexity

49.8

Covalently-Bonded Unit Count

EC Number

231-764-5

Exact Mass

115.003445g/mol

Formal Charge

Heavy Atom Count

MeSH Entry Terms

ammonium hydrogen phosphate;ammonium orthophosphate;ammonium phosphate;ammonium phosphate ((NH4)3PO4);ammonium phosphate, dibasic;ammonium phosphate, monobasic;ammonium phosphate, tribasic;diammonium hydrogen phosphate;diammonium phosphate;monoammonium phosphate;monobasic ammonium phosphate;phosphoric acid, ammonium salt;primary ammonum phosphate;triammonium phosphate;tribasic ammonium phosphate

Monoisotopic Mass

115.003445g/mol

Odor

Odorless;Faint acid

Other Experimental

Mildly acid in reaction;HEAT OF SOLN: 42 BTU/LB= 23 CAL/G= 0.97X10+5 JOULES/KG;The crystals have piezoelecric properties; very stable (7 Pa at 125 °C);Decomposes at high temperature, affording ammonia and polyphosphoric acid

Refractive Index

Index of refraction: 1.525; 1.479, both at 589 nm

Rotatable Bond Count

Stability

Stable in air

UNII

09254QB17T

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