STPP is commonly used in processed meats, seafood, dairy products, and beverages to enhance quality and stability. A potent emulsifier and preservative, it keeps ingredients mixed and wards off bacteria.
Name of index |
GB25566-2010 |
FCC-V |
Sodium Tripolyphosphate ≥% |
85.0 |
85.0 |
P2O5 ≥% |
56.0-58.0 |
- |
Fluoride (as F) ≤% |
0.005 |
0.005 |
Arsenic (As) ≤% |
0.0003 |
0.0003 |
Heavy Metal (as Pb) ≤% |
0.001 |
- |
Chloride (as Cl) ≤% |
- |
- |
Sulfate (as SO42-) ≤% |
- |
- |
Water Insoluble ≤% |
0.1 |
0.1 |
pH (1% aqueous solution) |
9.5-10.0 |
- |
Whiteness ≥% |
- |
- |
Pb ≤% |
0.0004 |
0.0002 |
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