Sodium pyrophosphate / tetrasodium pyrophosphate / tetrasodium diphosphate /TSPP

English name：TSPP；Tetrasodium pyrophosphate；Diphosphoric acid tetrasodium salt；Pyrophosphoric acid tetrasodium salt；Sodium diphosphate

Other names:Tetrasodium diphosphate

CAS No.: 7722-88-5

Na4P2O7=265.90

Grade: ar

Content: ≥ 99.0%

Clarity test: acceptable

Phosphate: ≤ 0.3%

Sulfate: ≤ 0.025%

Chloride: ≤ 0.001%

Arsenic: ≤ 0.00005%

Water insoluble matter: ≤ 0.005%

Iron: ≤ 0.001%

Heavy metals: ≤ 0.001%

Physicochemical properties: colorless transparent crystal or white crystalline powder. Weathered in dry air. Lose crystal water at 100 ℃. Soluble in water, insoluble in alcohol. The aqueous solution is alkaline. It is easy to absorb moisture in the air and deliquesce. Specific gravity 2.534. Melting point 880 ℃

Purpose: biochemical research. Water softener, rust remover, metal electrolytic analysis, dispersion and emulsifier

Save: RT