Sodium Tripolyphosphate STPP
Sodium Tripolyphosphate Food Additive, STPP
Molecular formula： Na5P3O10
Molecular weight： 367.86
CAS No.: 7758-29-4
EINECS No.: 231-838-7
H.S CODE: 28353110
Description
Character：
White powder; Melting point: 622℃; It can chelate metal ions, such as calsium, magnesium, etc., soften the hardwater, and has the characters of surface promoting agent of organic matter.
Purpose：
It can be used as quality improvement agent of can, fruit, milk product, etc.
Packaging and storage：
25Kg, 50Kg，1000kg in braided bag lined with plastic. Store it in ventilated, dry and clean place. Moisture proof.
| Content（Na5P3O10）%≥ | 95.0 |
| Phosphorus pentoxide %≥ | 57.0 |
| Water-insoluble %≤ | 0.05 |
| Iron（Fe） %≤ | 0.01 |
| PH value（1% water solution） | 9.5-10.0 |
| Heavy metal (Pb) %≤ | 0.001 |
| Arsenic (As) %≤ | 0.0003 |
| Fluoride (F) %≤ | 0.003 |
| Granularity
16mesh%≥ Powder |
95.0 90.0 |
| White content %≥ | 90.0 |
