SODIUM TRIPOLY PHOSPHATE (STPP)
Molecular formula: : Na5 P3O10
Molecular Weight: 367.86
Properties: White powder.
CAS No.: 7758-29-4

Product Specification/Models
Sodium Tripoly Phosphate (STPP) Tech.grade Specification: 
Na5P3O10 94%Min. 
P2O5 57%Min. 
Water insoluble 0.1%Max. 
Fe 0.01%Max. 
Density 0.40-1.0G/Cm3 
PH 9.2-10.0 
Whiteness 90%Min. 
Size(Residue on 1.00mm sieve) 5%Max. 

Sodium Tripoly Phosphate (STPP) Food grade
Specification : 
Na5P3O10 94%Min. 
P2O5 57%Min. 
Water insoluble 0.05%Max. 
Fluoride(as F) 0.003%Max. 
Arsenic(As) 0.0003%Max. 
Heavy metal(as Pb) 0.001%Max. 
Chloride(As C1) 0.025%Max. 
Sulphate 0.4%Max. 
PH Value 9.5-10.0 
Whiteness 85%Min.
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