Sodium Tripolyphosphate(STPP),sodium Tripolyphosphate,detergent raw material Basic InformationMolecular formula: ... and well ventilated placeTechnical SpecificationsNOSPECIFICATION INDUSTRIAL GRADE1AssayNa5p3o10%≥ 94.02P2O5%≥ 57.03Water Insoluble Matter% ≤0.14Iron(Fe)%≤0.015PH Valve( ... 6%FP whiteness ≥92%Actives 10~24% Sodium Tripolyphosphate(STPP),sodium Tripolyphosphate,detergent raw material