Wastewater Treatment Sodium Tripolyphosphate Na5P3O10 Cas Number 7758 29 4

Industrial-grade Sodium Tripolyphosphate (STPP) is a highly effective chemical for wastewater treatment applications, offering excellent metal chelation and water softening properties.

• Appearance: White crystalline or powdery solid
• Forms: Anhydrous (Na₅P₃O₁₀) or hexahydrate (Na₅P₃O₁₀*6H₂O)
• Water Solubility: Highly soluble (14g/100mL at 20°C, 30g/100mL at 60°C)
• pH (1% solution): 9.5-10.5 (alkaline)
• Decomposition Temperature: 622°C (forms sodium pyrophosphate and metaphosphate)
• Hygroscopic: Absorbs moisture from air, may form clumps
• Metal Chelation: Forms stable complexes with Ca, Mg, Fe ions

Traditional use as detergent builder, though being replaced in some markets due to environmental concerns.

Used as food additive E451 for water retention and texture improvement in meat/seafood products.

Effective for scale prevention and corrosion inhibition in industrial water systems.

• Potential for water eutrophication has led to phosphorus restrictions in some regions
• Developing countries still maintain significant market demand
• Research ongoing for more environmentally friendly alternatives

• Quality Assurance: Strict quality control and batch consistency
• Environmental Compliance: Meets international environmental standards
• Technical Support: Experienced R&D team and customized solutions
• Global Reach: Exported to Europe, America, and Southeast Asia
• Cost Efficiency: Large-scale production reduces unit costs