Potassium pyrophosphate / tetrapotassium pyrophosphate

English Name: potassium pyrophosphate; Potassium diphosphate； Tetrapotassium pyrophosphate

CAS No.: 7320-34-5

K4P2O7=384.38

Grade: ar

Content: ≥ 99.0%

Sulfate: ≤ 0.002%

Chloride: ≤ 0.002%

Arsenic: ≤ 0.0005%

Water insoluble matter: ≤ 0.01%

Iron: ≤ 0.002%

Heavy metals: ≤ 0.001%

Physicochemical properties: colorless crystalline powder or particles, easily deliquescent, soluble in water, alkaline solution, insoluble in alcohol, lose two molecules of crystalline water when heated to 180 ℃, and completely lose water when heated to 300 ℃. The relative density is 2.83. Melting point 1090 ℃. Irritating.

Purpose: biochemical research. Analytical reagent. Prepare iron pyrophosphate. Stabilizer of hydrogen peroxide. Water treatment. Surfactant. Cleaning agent.

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