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Specifications

Sodium Tripolyphosphate (STPP)
Synonyms: triphosphoric acid pentasodium salt, pentasodium triphosphate, tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos stp-D, freez-gard FP 19, polygon, rhodiaphos H5, thermphos, tripoly
Molecular formula: Na5P3O10
CAS NO.: 7758-29-4
EINECS NO.: 237-004-9
HS Code: 3835.3190
Useage: To be used in Detergent, Detergents & Dishwashing Tablets,( liquid ) Cleaners, Food & Feed industry etc.
 
Specifications:
ITEMS
         STANDARD         
PURITY(As Na5P3O10):
94% MIN.
Total Phosphorous(as P2O5):
57%MIN.
Water insoluble:
0.06 %MAX.
Iron:
0.009%MAX.
PH Value:
9.2-10
Particle size(1mm screens test retained on mesh)
2%MAX.
Bulk density( g/cm3 ):
0.65-0.75