CAS 7722-76-1 Ammonium dihydrogen orthophosphate

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Ammonium dihydrogen orthophosphate

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Catalog Number

ACM7722761

Product Name

Ammonium dihydrogen orthophosphate

Structure

CAS

7722-76-1

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

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

MSDS

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COA

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Spec Sheet