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Beijing KangPuHuiWei Technology Co.,Ltd.

Ammonium dihydrogen phosphate

Author：admin Time：2019-01-04 09:37:05

Ammonium dihydrogen phosphate NH4H2PO4

Alias: monoammonium phosphate, monobasicammonium phosphate

Relative molecular Weight:115.02

Properties:Colorless crystal or whitecrystalline powder.The relative density is 1.803, the melting point is 190 ° C.At 100 ℃ a smallpart of the decomposition, above the melting point of the decomposition ofammonia and water loss to form a mixture of ammonium polyphosphate andphosphoric acid.Soluble in water, slightly soluble in ethanol, insoluble inacetone. The aqueous solution is acidic.

Product standard number:HG/T 3466-1999

Specifications: Content and content of impurities in %

Test Items	分析纯	化学纯
Content	99.0	98.5
Clarity test	AR	CP
Water insoluble matter	0.005	0.01
Chloride（Cl）	0.0005	0.001
Sulfur compounds（以SO4计）	0.005	0.01
Nitrate（NO3）	0.001	0.002
Iron（Fe）	0.001	0.003
Arsenic（As）	0.0005	0.002
Heavy metals（以Pb计）	0.0005	0.001
Alkalimetal (Sulfate)	0.2	0.3

Usage:Used as an analysis reagent,such asPH buffering agents,magnesium, zinc, nickel and uranium precipitant.As ananalytical crystal for wavelength-dispersive X-ray fluorescencespectroscopy.Fiber fireproofing agent. Also used for photographic plate, mediumconfiguration.

ARReagent Ammonium dihydrogen phosphate Quality Assurance

Next：Calcium dihydrogen phosphate