SODIUM TRIPOLYPHOSPHATE
Other name:STPP
CAS No.: 13573-18-7
EINECS No.:231-838-7
Molecular Formula: Na5P3O10
Place of Origin:Henan, China (Mainland)
Purity:94%min
Grade:Tech grade/food grade
Appearance :White powder or granular
Application:
sodium triphosphate is an inorganic compound with formula Na5P3O10. STPP, stpp/sodium tripolyphosphate 94% tech grade as soft water agentceramic is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. Sodium tripolyphosphate is produced by heating a stoichiometric mixture of disodium phosphate, Na2HPO4, and monosodium phosphate, NaH2PO4, under carefully controlled conditions.
HS Code:28353100
Sodium triphosphate Used in detergent, synergist for soap; Water softener; Tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.
| ITEM | INDEX | INDEX |
| Tech. Grade | Food Grade | |
| Na5P3O10 (%): | 94Min | 94 |
| P2O5 (%): | 57Min | 57 |
| Insolubles in water (%): | 0.15Max | 0.05Max |
| Fe (%): | 0.007Max | N |
| Ph (1% solution): | 9.2-10 | 9.5-10 |
| Heavy Metal (As Pb) (%): | N | 0.01Max |
| Arsenic (As) (%): | N | 0.0003Max |
| Fluoride(F) (%): | N | 0.003Max |
| Whiteness(%): | 90Min | 90Min |
| Density (g/cm3) | 0.35-0.9 | 0.35-0.9 |
| Itype content (%) | 10-30 | 10-30 |
25kg/bag,25MT/20’FCL
Cautions during transportion:
Store in tight containers in a dry and ventilative warehouse. Keep away from moisture,hot and poisonous substances.
