Sodium pyrophosphate decahydrate / tetrasodium pyrophosphate decahydrate /tspp decahydrate

English name： Sodium pyrophosphate tetrabasic decahydrate；Sodium pyrophosphate decahydrate；Tetra-Sodium pyrophosphate decahydrate；TSPP decahydrate

Other names: tetrasodium pyrophosphate decahydrate; Tetrasodium diphosphate decahydrate

CAS No.: 13472-36-1

Na4P2O7•10H2O=446.06

Grade: ar

Content: ≥ 99.0%

pH（50g/L，25℃）：10.2～10.7

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

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