Sodium Tripolyphosphate(STPP) Quick Details
| CAS No. | 7758-29-4 |
| Molecular Formula/MF | Na5P3O10 |
| EINECS No. | 231-838-7 |
| HS Code | 2835311000;2835319000 |
| Classification | Inorganic chemical |
| Grade Standard | Industrial Grade & Food grade |
| Purity | 99% & 95% |
| Appearance | White particle or powder |
| Package | Paper bag or PP-PE bag, Net weight 25kg, 50kg 1000kg per bag, or based on the customers' requirements. |
| MOQ | 5MT |
| Place of Origin | CHINA |
| Loading Port | CHINA MAIN PORT |
Sodium Tripolyphosphate(STPP) Usage
Used as additive in detergent synthesis, ceramics production, soap synergist. Has strong emulsifying property to lubricant and fat, to adjust the PH value of buffer liquid soap, water softener for industrial water, pretanning agent for leather production, in dyeing additive, paint, kaolin, magnesium oxide, calcium carbonate and other industries as dispersant for the preparation of suspension, as dispersant in drilling fluid, as anti-oil agent in paper-making industry.
It is used in food industry as a quality improver for canned ham, fruit juice drinks, dairy products, soy milk, etc. It is mainly used for tenderizing canned ham, softening bean skin in canned broad bean, and can also be used as softener and thickener.
Sodium Tripolyphosphate(STPP) Specification
Sodium Tripolyphosphate(STPP) Industrial Grade
| Item | Specification |
| Appearance | White crystalline powder |
| Assay [Na2S2O8] | ≥99.0% |
| Fe | ≤0.001% |
| Mn | ≤0.0001% |
| Chloride (as CL) | ≤0.005% |
| Ammonium salt (by NH4) | ≤0.20% |
| Moisture | ≤0.10% |
| Heavy metal (as Pb) | ≤0.001% |
| Active oxygen | ≥6.65% |
| PH value (50g/l solution) | 3.5~5.5 |
Sodium Tripolyphosphate(STPP) Food grade
| Analysis | Test Method | Standard request |
| STPP content % | FCCV | Min.95 |
| P2O5 content % | FCCV | Min.57 |
| Water insoluble % | FCCV | Max.0.1 |
| PH ( 1%) | FCCV | 9.5-10.0 |
| Whiteness % | FCCV | Min.85 |
| Fluoride (as F) ppm | FCCV | Max.10 |
| Arsenic (as As) ppm | FCCV | Max.1 |
| Heavy Metal(as Pb) ppm | FCCV | Max.10 |
| Lead (pb) ppm | FCCV | 4 |
| Density g/cm3 | FCCV | 0.7-0.8 |
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DALIAN CHEM --Dalian Chem Imp. and Exp. Group Co., Ltd.is focus on the supply of chemical raw materials, chemical products , and other related products since 1985.
At present, we provide more than 200 kinds of chemical raw materials and ingredients.Sodium Tripolyphosphate(STPP) is one of our main products.
Before Sodium Tripolyphosphate(STPP) order ,we can send the sample for your testing ,We ensure the quality is the same as bulk quantity.
There are many Sodium Tripolyphosphate(STPP) suppliers, mainly located in Asia. The Sodium Tripolyphosphate(STPP) we supply is cheap and the quality is guaranteed. Sodium Tripolyphosphate(STPP) products are popular all over the world.
For whatever questions about us or our products you may have, do let us know and you can be assured we reply you in details with 24 hours and to your satisfaction.
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