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Detailed Product De
CAS No :7758-29-4
EINECS No.:231-828-7
Sodium tripoly phosphate (STPP) is white power.Used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc
Specification :
| Items |
Technical Grade |
Food Grade |
|
|
Main content (Na5P3O10) |
≥ |
94.0% |
94.0% |
|
P2O5 |
≥ |
57.0% |
57.0% |
|
Water insoluble matter |
≤ |
0.1% |
0.05% |
|
Iron (Fe) |
≤ |
0.01 % |
0.01% |
|
PH value |
9.2-10.0 |
9.5-10.0 |
|
|
Heavy metal (Pb) |
≤ |
/ |
0.001% |
|
Arsenic (As) |
≤ |
/ |
0.0003% |
|
Fluoride (F) |
≤ |
/ |
0.003% |
|
Whiteness |
≥ |
90% |
90% |
|
Loss on ignition |
≤ |
1.0% |
/ |
|
density (g/cm3) |
0.4-1.0 |
0.4-1.0 |
|
|
Phase I |
15-45 |
15-45 |
