Sodium Tripolyphosphate (STPP) is a Inorganic Chemicals product. Key specs — Origin: china.
Product Description
Sodium Tripolyphosphate (STPP) Tech/Food Grade Formula :NaP3O10 Molecular Weight: 367.86 H.S. Code:28353100 Cas No.:7758-29-4
Sodium Tripolyphosphate (STPP)---Tech Grade Assay Na5P3O10 % : 94.0 Min P2 O 5 % : 57.0 Min Water Insoluble Matter % : 0.15 Max Iron(Fe) % : 0.015 Max PH value (1% water solution): 9.2-10.0 Whiteness % : 90 Min Ignition loss: 1.0 density (g/cm3) 0.35-0.9 Phase I :10-30
Sodium Tripolyphosphate (STPP)---Food Grade Assay Na5P3O10 % : 94.0 Min P2 O 5 % : 57.0 Min Water Insoluble Matter % :0.05 Max Iron(Fe) % : 0.015 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 % : 90 Min