Sodium Tripolyphosphate(STPP)5 (1)
INCI Name: Sodium Tripolyphosphate
CAS No.: 7758-29-4
Molecular Formula: Na₅P₃O₁₀
Apariencia: White crystalline powder or granules
Embalaje: Available in 25kg and 1000kg bags.
Other Name: STPP, Sodium Triphosphate, Tripolyphosphate, Pentasodium Triphosphate, Sodium Polyphosphate, Na5P3O10,
Descripción
Descripción
Sodium Tripolyphosphate (STPP) is a high-purity, free-flowing white powder produced to meet exacting industrial specifications. It offers consistent quality and reliable performance for a range of professional formulations. Our product is available in multiple packaging options to suit various production and handling requirements.
Imagen
Stability/Shelf Life
| Parameter | Especificación | Test Result |
| Assay (as Na₅P₃O₁₀) | ≥ 94% | 95.6% |
| P₂O₅ Content | ≥ 57.0% | 57.0% |
| Phase I Content | 20 - 40% | 36% |
| Densidad A Granel | ≥ 0.65 g/ml | 0.85 g/ml |
| La blancura | ≥ 90% | 90% |
| pH (1% Solution) | 9.0 - 10.2 | 9.5 |
| Water Insoluble Matter | ≤ 0.10% | 0.08% |
| Iron (Fe) Content | ≤ 0.015% | 0.004% |
| Humedad | ≤ 0.5% | 0.16% |
Característica
High Purity & Reliability
Typical assay of 95.6% ensures consistent performance and reliable results in demanding formulations.
Effective Water Softening
Excellent sequestration of calcium and magnesium ions prevents scale and maximizes cleaning efficiency in detergents and industrial cleaners.
Optimized Solubility Profile
With a 36% Phase I content, it offers an ideal balance of rapid dissolution and sustained action for diverse applications.
Superior Physical Properties
High bulk density (0.85 g/ml) and low moisture (0.16%) ensure easy handling, stable storage, and accurate dosing.
Enhanced Product Integrity
Extremely low iron content (0.004%) helps maintain color and clarity in finished products.
Aplicación
Detergent & Cleaning Industry
Serves as a key builder in laundry powders, dishwashing detergents, and industrial cleaners to soften water, enhance cleaning power, and prevent dirt redeposition.
Ceramic & Tile Production
Acts as an efficient dispersant in ceramic slips and glazes, improving rheology and uniformity while reducing viscosity and water consumption.
Industrial Water Treatment
Functions as a sequestrant and scale inhibitor in cooling water, boiler water, and treatment systems to control hardness and prevent mineral deposits.
Food Processing (Food Grade)
Approved for use as a quality improver and texture stabilizer in seafood, meats, and starch products to retain moisture and improve consistency.
Other Industrial Uses
Employed in textile processing, drilling muds, paper manufacturing, and paint formulations as a dispersant, emulsifier, or pH buffer.
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