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Beijing KangPuHuiWei Technology Co.,Ltd.

Diammonium hydrogen phosphate

Author：admin Time：2019-01-04 09:38:18

Diammonium hydrogen phosphate （NH4）2HPO4

Alias: diammonium phosphate, ammoniumphosphate dibasic

Relative molecular Weight:132.06

Properties:Colorless crystal or whitepowder.The relative density is 1.619.At 155 ° Cdecomposition.Exposed to the air can gradually lose ammonia into ammoniumdihydrogen phosphate.Soluble in water, insoluble in ethanol, acetone.

Product standard number:HG/T 3465-1999

Specifications: Content and content of impurities in %

Test Items	AR	CP
Content	98.5	98.0
Clarity test	Qualified	Qualified
Water insoluble matter	0.005	0.01
Chloride （Cl）	0.0005	0.004
Sulfur compounds（SO4）	0.005	0.01
Nitrate（NO3）	0.0005	0.001
Iron （Fe）	0.0005	0.002
Arsenic（As）	0.0005	0.002
Heavy metals （以Pb计）	0.0005	0.001
Alkalimetal (based on phosphate)	0.1	0.2

Usage:Used as an analysis reagent,such asPH buffering agents,magnesium, zinc, nickel and other precipitant.Supportingelectrolyte in Electrochemical analysis.Also used as a seed soaking agent,andpreparation of media reagents.

Reagent Grade Diammonium hydrogen phosphate Quality Assurance

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