Sodium tripolyphosphate (STPP)
article source： Release time：2021年08月13日
Molecular formula: Na5P3O10
Molecular Weight: 367.86
Properties: White powder.
CAS No.：7758-29-4
Uses:Mainly used for producing synthetic detergent, as synergist for soap,in ceramic industry. Used as food additive in foodstuff industry.
Packing:In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags.
Technical Specifications :
Indexes | Industrial Grade | Food Grade |
Assay Na5P3O10 % ≥ | 94.0 | 94.0 |
P2O5 % ≥ | 57.0 | 57.0 |
Water Insoluble Matter %≤ | 0.10 | 0.05 |
Iron(Fe) %≤ | 0.01 | 0.01 |
PH value (1% water solution) | 9.2-10.0 | 9.5-10.0 |
Heavy Metal (as Pb) %≤ | 0.001 | |
Arsenic (As) %≤ | 0.0003 | |
Fluoride (F) %≤ | 0.003 | |
Whiteness %≥ | 90 | 90 |
Bulk Density | 0.9-1.0g/cm3 | |
