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Sodium Tripolyphosphate STPP Cas 7758-29-4, Synthetic Wash Food Additives Na5P3O10
Product: Sodium Tripolyphosphate
CAS: 7758-29-4
Formula: Na5P3O10
Molecular Weight : 368
Appearance&Smell: White Granular
Quality: FCCV, EC2008
Package: 25kg bag
Shelf Life: 2 years
Storage: Stored in Shielded from light, dry and cool place
| ITEM | Specification |
| Assay(Na5P3O10) | 95.0% Min. |
| Content(P2O5) | 57.0% Min. |
| Insolubles substances in water | 0.1 % Max. |
| PH Value (1% aqueous Solution) | 9.5-10.2 |
| Fluoride (as F) | 10 ppm Max. |
| Heavy metals(as Pb) | 10 ppm Max. |
| Arsenic (As) | 3 ppm Max. |
| Lead | 2 ppm Max. |
| Nitrite | 20 ppm Max. |
| Loss on Drying | 0.7% Max. |
Functions:
Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.
Applications:
Food industry
Pharmaceutical industry
Water softener
Feed additives
