| Description |
Sodium Tripolyphosphate, Anhydrous is a white powder solid.
| ||
| Synonym |
Pentasodium Triphosphate; Sodium Tripolyphosphate Anhydrous; Sodium Triphosphate Anhydrous; STPP. | ||
|
Formula |
Na5P3O10 | ||
|
Molecular Weight |
367.9 | ||
|
CAS Number |
7758-29-4 | ||
|
CAS Index Name |
Triphosphoric Acid, Pent sodium Salt | ||
|
Grade |
Food grade, Free from any harmful and toxic substance. | ||
| Items | Unit |
Specifications | |
|
Assay( Na5P3O10) |
% |
95.0Min |
Typical data |
|
Phosphorus pentoxide (As P2O5) |
% |
57.0Min |
PH 9.7 |
|
Fluorides ( F) |
% |
0.003Max |
Loss on drying (1hr. 105℃) 0.4% |
|
Arsenic (As) |
% |
0.0003Max |
Lead (Pb) less than 5ppm |
|
Heavy metal (as Pb) |
% |
0.001Max |
|
| Substances not
Dissolved in water |
% |
0.05 Max |
|
|
Ph (1%of aqueous Solution) |
|
9.5-10.0 |
|
|
Chlorides (As Cl-) |
% |
0.025 Max |
|
|
Sulphates (As SO42-) |
% |
0.4 Max |
|
|
Whiteness |
|
85Min |
|
|
Packing: 25kg/PP/PE bag |
| ||
