TRIOSUDIUM PHOSPHATE DODECAHYDRATE (TSP)
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[Synonyms]: Sodium phosphate dodecahydrate; Trisodium phosphate dodecahydrate
[Chemical formula]: Na3PO4 12H2O
[Molecular weight]: 380.12
[Properties]: White or colorless crystals, effloresce in air, soluble in water easily but not in organic solvent. Water solution is alkaline. PH value of 1% solution is 12.1. Density is 1.62, melting point is 73.40.
[Uses]: Used as soft water agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in fabric dyeing and flux in enamel ware manufacturing, and so on.
[Standard executed]: HG/T2517-93
Main content(as Na3PO412H2O) min95
Phosphorus pentoxide(as P2O) min17.7
Chloride (as Cl) max0.80
Sulfate (as SO42) max0.50
Water insoluble max0.10
Sodium oxide (as Na2O) 15.5-19.0
[Packing]: Plastic knit bag, Net weight 25 kg