Specification :

Chemical formula: Na3PO4. nH2O ( n= 0, 12)
Molecular weight: 380.14
Standard executed: Tech grade ( HG/ T 2517-1993) Food grade( National standard) CAS Number: 7758-79-4
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  .
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.
Specifications Techgrade Foodgrade
Appearance white powderwhitepowder
Main contents% e 98.0 98.0 Phosphorus pentoxide ( P2O5) % e 39.5 39.5
Sodium oxide, as Na2O36-40 36-40
Sulfate, as SO4 % d 0.5 0.25
PH of 1% water solution 11.5-12.1 11.5-12.1
Heavy metal, as Pb 10ppm
Arsenic, as As 3ppm
Fluoride as F 50ppm
Water insoluble% d 0.10 0.10