STPP
-
- Category :
Inorganic chemicals
- CAS NO : 7758-29-4
- EC NO : 231-838-7
- Molecular Formula : Na5P3O10
- Main Specifications :
- Synonyms : pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);
Package: 25kg per bag, 22MTS/20'FCL
Uses : Sodium Tripolyphosphate(STPP) is used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing
Molecular Structure:
Product description:
Product Description：
Sodium Tripolyphosphate(STPP) 94%/96%
Chemical Formula:Na5P3O10
Appearance: white powder
Specification:
Na5P3O10: 94.0%min
P2 O 5: 57.0%min
Water Insoluble Matter: 0.15%max
Iron(Fe): 0.015%max
Heavy Metal (as Pb): 0.001%max
PH value (1% water solution): 9.2-10.0
Whiteness: 90%min
Ignition loss: 1.0
density (g/cm3): 0.35-0.9
Phase I: 10-30
Na5P3O10: 96.0%min
P2 O 5: 57.0%min
Water Insoluble Matter: 0.10%max
Iron(Fe): 0.007%max
PH value (1% water solution): 9.2-10.0
Whiteness: 90%min
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