Chemical Formula: Na3PO4·12H2O
Molecular Weight: 380.14
Property: white or colourless granular crystal, specific density is 1.62, melting point is 73.4oC, easily efflorscent in arid air.

Trisodium Phosphate---technical grade
Spec:
Main Content:  98%min
P2O5:  18.3%min
Sulfate:  0.5%max
Chloride:  0.8%max
Water Insolubles:  0.1%max
Methyl Orange Alkalinity: 15.0-19.0
Heavy Metals: 0.001%max
Arsenic: 0.0003%max