sodium tripolyphosphate stpp
Chemical Name: Sodium Tripolyphosphate; Formula: Na5P3O10, Na5P3O10·6H2O ; CAS No. 7758-29-4
· Molecular Weight: 367.86,475.96 ; Specificity : White ,slight hygroscopic granules or powder. Melting point at 622?, It is freely soluble in water,but insoluble in alcohol.PH of 1% is about 9.5.
· Quality standard:
|
Name of index |
FCC-V |
|
Assayanhydrous(Na5P3O10)≥% |
85.0 |
|
Hexahydrate(Na5P3O10, Na5P3O10·6H2O)≥% |
65.0 |
|
Arsenic, ≤% |
0.0003 |
|
Fluoride,≤% |
0.005 |
|
Lead,≤% |
0.0004 |
|
Insoluble Substances,≤% |
0.1 |
· USES: Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product,gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widelyused in gum synthesis,foodstuff industry,and poultry process.
· Packing: It is packed with polyethylene bag as liner, and Composite paper bag as the outlayer The net weight of each bag is 25kg.
