Sodium Tripolyphosphate (STPP) 1. CAS No: 7758-29-4 2. Apearance:White or colorless crystal powder. 3. Timely delivery.

Sodium Tripolyphosphate (STPP)CAS No: 7758-29-4 Molecular Formula: Na5P3O10Molecular Weight: 367.86Melting Point:622 degree

  Apearance:White or colorless crystal powder.

1. Sodium Tripolyphosphate(Industrial Grade)1) Na5P3O10:94.0%Min 2) P2O5:57.0%Min3) Water Insoluble Matter: 0.15%Max4) Iron (Fe):0.012%Max5) PH Value (1% water solution):9.1-10.06) Whiteness: 90%Min7) Ignition Loss: 1.08) Density (g/cm3):0.35-0.99) Phase I: 10-30

2.Sodium Tripolyphosphate(Food Grade)1) Na5P3O10:94.0%Min 2) P2O5:57.0%Min3) Water Insoluble Matter:0.04%Max4) Iron(Fe):0.006%Max5) PH Value(1% water solution):9.5-10.06)Heavy Metal(as Pb):0.001%Max7)Arsenic(As):0.0003%Max8)Fluoride(F):0.003%Max9) Whiteness:95%Min10) Density (g/cm3):0.35-0.911) Phase I: 10-30 

3. Sodium Tripolyphosphate(Ceramics Grade)1)      Na5P3O10:96.52%Min2)      P2O5:57.85%Min3)      Water Insoluble:0.10%Max4)      Fe:0.007%Max5)      PH:9.7 

Usage:Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. 

Packing:20/25Kg wowen plastic bag,21ton/20'FCL.

Storge:Keep in dry and windy conditions.

    

Sodium Tripolyphosphate