Product Name: Food Additive /Chemical STPP/Sodium Tripolyphosphate Food Grade Model NO.: stpp Grade Standard: Food Grade Type: Sodium Tripolyphosphate Purity: 90%~99% Certification: ISO Formula: Na5p3o10 CAS No.: 7758-29-4 Assay (as Na5p3o10): 95% Min P2o5: 56.0-58.0% pH (1% Solution): 9.5 ~ 10.0 Water Insoluble: 0.1%Max Trademark: BH or depend on customer Transport Package: 25kg/Bag Specification: 25KG Origin: China HS Code: 2835311000 Product Description PRODUCT:Sodium TripolyphosphateCHEMICAL FORMULA:Na5P3O10ORIGIN:CHINACAS NO:7758-29-4SPECIFICATION :ITEMSTANDARDAppearanceWhite granularor powderContent%95.0minP2O5%56.0-58.0%water insoluble%0.1%maxFe0.01PH(1% solution)9.5-10.0whiteness85%minArsenic( as As)3ppm MaxBull density0.70g/ml-0.85g/mlFluoride(as F)50ppm MaxUSAGE : Mainly used for synthetic detergents for additives, soap synergistic agent and prevent a soap grease precipitation and up frost. Axle oil and fat has strong emulsification, can be used to regulate buffer soap PH value, industrial water gets the soft agent, leather tanning, dyeing color additives, paint, kaolin, magnesium oxide, calcium carbonate prepared when such industries as dispersant, suspensions, papermaking industry drilling mud dispersant used as defending greasy dirt agent.PACKING:25kg/bag.