Tetra Sodium Pyrophosphate (TSPP)
Chemical formula: Na5P2O5. NH2O (n=0,12)
Molecular weight: 380.14
Standard executed:HG/T2517-93
Properties: White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 centigrade.
Application: Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packing and storage: In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Guaranteed Technical Specifications:
Specifications Na3PO4 Technical Main contents % MIN 98.0 Phosphorus pentoxide(P2O5)% MIN 39.5 Sodium oxide, as Na2O % MIN 40 Water insoluble % MAX 0.10

