product details

Potassiumdihydrogen phosphate  KH2PO4

Alias:Potassium monopotassium phosphate,monobasic potassium phosphate

Relative molecular Weight:136.09

Properties:Colorless columnar crystal orwhite crystalline powder.The relative density of 2.338, the melting point of252.6 ℃. Heat to 204 ℃ dehydration becomes potassium metaphosphate.

Soluble in water, acidic aqueous solution,insoluble in alcohol.

Product standard number:GB/T 1274-93

Specifications: Content and content of impurities in %

Test Items	AR	CP
Content	99.5	99.0
Clarity test	Qualified	Qualified
Water insoluble matter	0.002	0.005
Loss on drying	0.2	0.3
Chloride（Cl）	0.001	0.005
Sulfate（SO4）	0.003	0.005
Total nitrogen content（N）	0.001	0.002
Sodium（Na）	0.02	0.05
Iron（Fe）	0.001	0.005
Arsenic （As）	0.0005	0.002
Heavy metals（以Pb计）	0.001	0.005

Usage:It can be use as analysis ofreagents,Such as the configuration PH value of the standard solution andbuffer.Also used in the pharmaceutical industry, the production ofpiezoelectric components and point optical components.

      

Reagent Grade Potassium dihydrogen phosphate   AR Grade