Product Name Sodium
Tripolyphosphate (STPP) Tech Grade
H. S. Code *******0
CAS No. ********4
Molecular Formula Na5P3O*0
Molecular wt **7.*6
Production standard GB/T******8
Na5P3O*0 content (purity) % ≥ *4.*0
P2O5 content % ≥ *6
Fe Content ≤ *0 ppm
Water Insoluble % ≤ 0.*0
Bulk Density g/ml 0.6 ~0.9
Phase I content % 5~*0
Whiteness % *5 min
pH value (1% water solution) 9.2 ~*0.0
Loss on drying (**0C ) %
Residue on % *8 mesh *0 mesh *0 mesh **0 mesh
Hydration speed (R. O. H) 1 min. 5 min.
Volatile matter (**5 C) % Appearance white powder
Packing *5/***0/***0kg bags, PP bag with PE liner,
*0~*5mt/*0FCLProperties
and uses: White powder, mainly used as synthetic detergent,
water-softening agent, dispersant of drilling mud and mineral
floating, catalyst of organic synthesis
