| Classification: Phosphate | Type: Sodium Tripolyphosphate | CAS No.: 13573-18-7 |
| Other Names: Sodium triphosphate; STPP | MF: Na5P3O10 | EINECS No.: 237-004-9 |
| Place of Origin:China (Mainland) | Grade Standard: Food Grade, Industrial Grade | Purity: 94%min |
| Appearance: White powder or granular | Application: For Detergent, Sop etc industries | Brand Name: dexin |
| Model Number: 94% |
Specification:
|
ITEM
|
INDEX
|
|
|
Tech. Grade
|
Food Grade
|
|
|
Na5P3O10 (%):
|
94Min
|
95Min
|
|
P2O5 (%):
|
57Max
|
57Max
|
|
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
|
0.001Max
|
|
Arsenic (As) (%):
|
N
|
0.0003Max
|
|
Fluoride(F) (%):
|
N
|
0.003Max
|
|
Whiteness(%):
|
90Min
|
90Min
|
|
Density
|
0.35-0.9
|
0.35-0.9
|
|
I type content (%)
|
10-30
|
10-30
|
Uses:STPP 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