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Product Name Sodium Tripolyphosphate (STPP) Tech Grade
H.S.Code 28353190
CAS No. 7758-29-4
Molecular Formula Na 5 P 3 O 10
Molecular wt 367.86
Production standard GB/T9983-88
Index Request
Na 5 P 3 O 10 content (purity) % = 94.00
P 2 O 5 content % = 56
Fe Content = 70 ppm
Water Insoluble % = 0.10
Bulk Density g/ml 0.6 ~0.9
Phase I content % 5~40
Whiteness % 85 min
pH value (1% water solution) 9.2 ~10.0
Loss on drying (500C ) % Residue on % 18 mesh 20 mesh 40 mesh 100 mesh Hydration speed (R.O.H) 1 min. 5 min. Volatile matter (105 C) % Appearance white powder
Packing 25/1000/1100kg bags, PP bag with PE liner, 20~25mt/20fcl