Product name: Sodium Tripolyphosphate Molecular Formula: Na5P3O10 CAS No.: 7758-29-4 EINECS: 205-634-3 HS CODE: 2835310000 Sodium Tripolyphosphate( STPP) Industrial Grade Specification: Na5P3O10: 94.0% Min P2 O 5: 57.0% Min Water Insoluble Matter: 15% Max Iron( Fe) : 0.015% Max pH value ( 1% water solution) : 9.2-10.0 Whiteness: 92% Min Ignition loss: 1.0 Density ( g/ cm3) : 0.35-0.9 Phase I: 10-30 Packing: 25kg/ bag, 24MT/ 20' FCL Sodium Tripolyphosphate( STPP) Food Grade Specification: Na5P3O10 94.0% Min P2 O 5 57.0% Min Water Insoluble Matter 0.04% Max Iron( Fe) 0.006% Max pH value ( 1% water solution) 9.5-10.0 Heavy Metal ( as Pb) 0.001% Max Arsenic ( As) 0.0003% Max Fluoride ( F) 0.003% Max Whiteness 92% Min Density ( g/ cm3) 0.35-0.9 Phase I 10-30 Packing: 25kg/ woven bag, 24MT/ 20' FCL If you are interested so please feel free and send inquiry to us for more details. email: tianqingkeke569@ yahoo.cn tianqingkeke569@ hotmail.com Tianqingkeke569@ yahoo.com