Sodium pyrophosphate decahydrate / tetrasodium pyrophosphate decahydrate /tspp decahydrate
Item No.： C0161
Store at： RT
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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