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Specifications
(factory )Food Grade STPP
Manufacturer STPP
Purity: 94%min
Other name: STPP/sodium tripolyphosphate
Type: Food Grade STPP
1: Chemical Formula: Na5P3O10
2: CAS No.: 7758-29-4
3: Packing: 25KG/PP BAG
4: Applications:
1)Used as one of the main auxiliaries for synthetic detergent, synergist for soap, 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;
2)In foodstuff industry, it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans.
Standard : GB /T 998 4 -200 8/ QB1034- 19 91 | Technical | Food |
Assay Na5P3O10 % ≥ | 94. 0 | 95.0 |
P2 O 5 % ≥ | 57.0 | 57.0 |
Water Insoluble Matter % ≤ | 0.15 | 0.05 |
Iron(Fe) % ≤ | 0.015 | 0.015 |
PH value (1% water solution) | 9.2-10.0 | 9. 4 -10.0 |
Heavy Metal (as Pb) % ≤ | - | 0.001 |
Arsenic (As) % ≤ | - | 0.0003 |
Fluoride (F) % ≤ | - | 0.003 |
Chloride(Cl) % ≤ | - | 0.025 |
Sulphate(SO4)% ≤ | - | 0.4 |
Whiteness % ≥ | 9 0 . 0 | 90 .0 |
D ensity (g/cm3) | 0.35-0.95 | 0.55-0.90 |
Phase I | 10-30 | 10-30 |