Chemical formula: Na5P3O10
CAS Number: 7758-29-4
Standard executed: Tech grade(GB 9983-2004)  Food grade(QB 1034-1991)
Packing and storage:In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.

Specifications     Food Grade 
AssayNa5P3O10 % ≥   95.0
P2O5          % ≥   57.0 
Water Insoluble Matter %≤ 0.05
Iron(Fe)      % ≤   0.01
PH value(1%water solution)9.5-10.0 
Heavy Metal (as Pb)  10ppm
Arsenic (As)   3ppm
Fluoride (F)   30ppm
Whiteness %≥         90.0

We can supply both industria and food grade STPP
welcome to contact us at anda1002(at)gmail(dot)com