Simple Practical Efficient Industrial Grade Sodium Tri Poly Phosphate STPP Top Choice
| Attribute | Value |
|---|---|
| CAS | 7758-29-4 |
| EINECS | 231-838-7 |
| Appearance | White powder |
| Crystalline hydrate | No Water crystals |
| Life span | Two years |
| Stats | Chemical materials |
| PH | 9~10 |
96% CAS 7758-29-4 Sodium Tripolyphosphate for Industrial Manufacturing
Molecular formula: Na5P3O10
Molecular weight: 367.86
Industrial grade CAS 7758-29-4 products & COA meets GB/T 9983-2004 standard:
| Items for detecting and analyzing | Standard value |
|---|---|
| Main content: sodium tripolyphosphate ≥ | 96.0% |
| Phosphorus pentoxide P2O5≤ | 57.0% |
| Water insoluble≤ | 0.10% |
| Fluoride (as F) ≤ | 0.007% |
| Ph Value (1%) | 9.2-10.0 |
| Whiteness ≥ | 90 |
grade CAS 7758-29-4 products & COA meets QB 1034-1991 standard:
| Items for detecting and analyzing | Standard value |
|---|---|
| Main content: sodium tripolyphosphate ≥ | 95.0% |
| Phosphorus pentoxide P2O5≤ | 57.0% |
| Water insoluble≤ | 0.05% |
| Fluoride (as F) ≤ | 0.003% |
| Heavy metal (as Pb) ≤ | 0.001% |
| Arsenic (as As) ≤ | 0.0003% |
| Sulphate (as SO4)≤ | 0.4% |
| Chlorine (as Cl) ≤ | 0.025% |
| Ph Value (1%) | 9.5-10.0 |
| Whiteness ≥ | 85 |
References: Riel Chemical Lab1&2, National public service platform for standards information.
- White granular or powder, showing a density of 0.35-0.90G/CM3, melting point 622 degrees Celsius.
- Easily soluble in water, the aqueous solution is alkaline, and the PH of 1% aqueous solution is 9.7.
- Gradually hydrolyzed into phosphite in water, and has good ionic ability of metal complexation.
- Can be complexed with calcium/magnesium/iron and other metal ions to produce soluble complexes.
- Softens hard water. As a kind of inorganic surfactant, it has some properties of organic surfactant.
Mainly used for:
- Synthetic detergent as an additive/soap agent and to prevent bar soap grease precipitation and frosting.
- Has a strong emulsifying effect on lubricating oil and fat.
- Used to adjust the PH value of buffer soap liquid.
- Industrial water softener/tanning and pre-tanning agent/dyeing agent.
- Paint/kaolin/magnesium oxide/calcium carbonate and other industries to prepare suspension as a dispersant.
- Drilling mud dispersant.
- Paper industry as an anti-oil agent.
- High purity and stability - ≥96% industrial-grade content, extremely low impurities, stable and reliable performance
- Powerfully softens water - Rapidly chelate calcium and magnesium ions to enhance the efficiency of cleaning and production processes
- Multifunctional applications - Universal in multiple fields such as detergents, ceramics, water treatment, and petroleum
- Cost reduction and efficiency improvement - Reducing the amount of auxiliary materials can lower the overall cost by 15% to 20%
- Environmental compliance - Complies with national standards and industrial emission requirements, ensuring safety and peace of mind
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