Potassium phosphate monobasic/Potassium acid phosphate/Potassium dihydrogen phosphate/Monopotassium

English Name: potassium phosphate monobasic; Potassium acid phosphate； Potassium dihydrogen phosphate； Monopotassium phosphate

Other names: potassium monobasic phosphate; Potassium phosphate; Potassium dihydrophosphate; Acid potassium phosphate

CAS No.: 7778-77-0

KH2PO4=136.09

Grade: ar

Content: ≥ 99.5%

pH(50g/L，25℃)：4.2～4.7

Heavy metals (calculated by Pb): ≤ 0.001%

Drying loss: ≤ 1.0%

Clarity test: acceptable

Water insoluble matter: ≤ 0.002%

Arsenic: ≤ 0.0005%

 Physicochemical  Properties: colorless crystal or white granular powder. Stable in air, it loses water at 400 ℃ and becomes metaphosphate. Soluble in about 4.5 parts of water, insoluble in ethanol. pH4.2～4.7。 The relative density is 2.34. Melting point 252.6 ℃.

Purpose: biochemical research. Prepare buffer. Determination of arsenic, antimony, phosphorus, aluminum and iron. Prepare phosphorus standard solution. Prepare the culture medium. Determine the activity of inorganic phosphorus and alkaline phosphatase in serum

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