STPP / Sodium Tripolyphosphate 96%

Sodium Tripolyphosphate STPP CAS No.: 7758-29-4 EINECS NO.: 231-838-7 Molecular Formula: Na5P3O10 Usage: Detergent raw materials& betterment agent of Food. Appearance: Colorless or white glassy piece or white powder. Packing:25kgs/pp bag, 23MT/20'FCL Specification: ItemFood gradeTech GradeMain content(Na5P3O10)%94 min94 minPhosphorus Pentoxide(P2O5)%57.5 min57 minWater insoluble matter %0.05max0.10 maxIron(Fe) %0.007 max0.007 maxPH(1% solution)9.5-10.09.2-10.0Heavy metal(as Pb) %0.001 max--Arsenic(as As) %0.0003 max--Fluoride(as F) %0.003 max--Whiteness %95 min--Residue on sieve(1.00mm) %5.0 max5.0 max