Sodium Tripolyphosphate
Other Trade Name STPP
Molecular Weight: 368
Chemical Formula: Na5P3O10
Hazard Classification: N.A
Sodium Tripolyphosphate
Other Trade Name STPP
Molecular Weight: 368
Chemical Formula: Na5P3O10
Hazard Classification: N.A.
Product Description: White, free-flowing
CAS NO 7758-29-4
Packing: Plastic woven bag inner with plastic bag in 25kg net.
This is Industrial Specification:
| ITEM | UNIT | STANDARD |
Purity(Na5P3O10) | % MIN | 90 |
Total Phosphorus (P2O5) | % MIN | 56.5 |
Insoluble matter in water (%) | % MAX | 0.10 |
Iron (Fe) | % MAX | 0.015 |
PH Value (1% Solution) | % | 9.2-10.0 |
Whiteness | %MIN | 85 |
Apparent Density | g/ml | 0.35-0.99 |
This is Food Grade Specification:
| ITEM | UNIT | STANDARD |
Purity(Na5P3O10) | % MIN | 95 |
Total Phosphorus (P2O5) | % MIN | 57.0 |
Fluoride (as F) | % MAX | 0.003 |
Arsenic (As) | % MAX | 0.0003 |
Heavy Metal (as Pb) | % MAX | 0.001 |
Chloride (as Cl) | % MAX | 0.025 |
Sulfate (as SO4) | % MAX | 0.4 |
Insoluble matter in water (%) | % MAX | 0.05 |
PH Value (1% Solution) | % | 9.5-10.0 |
Whiteness | %MIN | 85 |
Stack Density | g/ml | 0.52 |
