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- Contact Person : Ms. Yin Linda
- Company Name : Gongyi Yuqing Water Purifying Materials Co., Ltd.
- Tel : 0086-371-65528428
- Fax : 0086-371-65528428
- Address : Henan,Gongyi,Nanhedu Industrial Zone, Gongyi City, Henan Province. China
- Country/Region : China
- Zip : 450045
sodium tripolyphosphate
STPP
Sodium Triphosphate
Molecular wt. 367.86
SPECIFICATION OF STPP
Item name: | Sodium Tripolyphosphate (STPP) |
Formula: | Na5P3O10 |
Specific Gravity: > (Water=1) | 1.5 |
PH:(1% Solution) | 9.2-10.0 |
Solubility in water:(25 deg C) | 150g/l |
Sodium tripolyphosphate, stpp% ≥ | 94 |
Purity% ≥ | 57.0 |
Water insoluble matter % ≤ | 0.15 |
Fe% ≤ | 0.01 |
Whiteness % ≥ | 90 |
Granularity % ≤ | 5.0 |
Apparent density g/ml | 0.7- 0.99 |
Content of I type% 5--40 | 5- 40 |
Packing: Plastic-lined woven bag, n. W. 25kg
USAGE:
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 driling 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 widely used in gum synthesis,foodstuff industry,and poultry process.
sodium tripolyphosphate
