Product: Sodium Tripolyphosphate
CAS NO: 7758-29-4
Molecular formula: Na5P3O10
Properties:
White powder or granule. Soluble in water, its aqueous solution is alkaline .
Application:
Mainly used as the detergent builder, petroleum, mining, water-treating industries. Also, as emulsification agent, complexing agent and water retaining agent in food industry.
Specification:
Items
|
Industry grade
|
Food grade
|
Content(Na5P3O10) (%)
|
96.0 min.
|
85.0 min.
|
Total phosphate(P2O5) (%)
|
57.0 min.
|
56.0-58.0
|
Water insoluble (%)
|
0.10 max.
|
0.10 max.
|
Fluoride(F) (%)
|
-
|
0.005 max.
|
Arsenic(As) (%)
|
-
|
0.0003 max.
|
Heavy metals(Pb) (%)
|
-
|
0.001 max.
|
Lead(Pb) (%)
|
-
|
0.0004 max.
|
Iron(Fe) (%)
|
0.007 max.
|
-
|
Whiteness (%)
|
90 min.
|
-
|
PH value(1% solution)
|
9.2-10.0
|
-
|
Particle size
|
Through 1.00mm mesh sieve 95% min.
|
-
|
|