Purity 96% STPP Phosphate Sodium Tri Poly Phosphate For Water Treatment

Molecular formula: Na₅P₃O₁₀
Molecular weight: 367.86
Industrial grade: CAS 7758-29-4
Standard: GB/T 9983-2004

• Chemical Formula: Na₅P₃O₁₀
• Molecular Weight: 367.86 g/mol
• Appearance: White crystalline or powdery solid
• Form: Typically exists as an anhydrous compound (Na₅P₃O₁₀) or a hexahydrate (Na₅P₃O₁₀*6H₂O)
• Water Solubility: Highly soluble in water (14 g/100 mL at 20°C, 30 g/100 mL at 60°C)
• Other Solvent: Insoluble in organic solvents (e.g., ethanol)
• Aqueous Solution pH: 9.5-10.5 (1% solution)
• Decomposition Temperature: 622°C (into sodium pyrophosphate and sodium metaphosphate)
• Hydrate Stability: Hexahydrate tends to effloresce in dry air
• Hygroscopicity: Strong; easily absorbs moisture from the air
• Chelating Ability: Forms stable soluble complexes with metal ions (calcium, magnesium, iron)

• Detergents and Cleaners
  • Softens water quality and enhances detergent decontamination ability
  • Chelates calcium and magnesium ions to prevent scale formation
  • Disperses dirt and prevents reattachment to surfaces
  • Maintains alkaline environment for improved cleaning
• Food Industry
  • Food additive (E451) for quality improvement
  • Water retaining agent for meat and seafood products
  • Texture improver for dairy products and processed meats
  • Preservative to extend shelf life
• Water Treatment
  • Prevents scale formation in boiler and cooling water systems
  • Improves heat exchange efficiency
  • Reduces corrosion in pipes and equipment
• Ceramics and Building Materials
  • Dispersant for ceramic paste preparation
  • Improves slurry flow and uniformity
  • Enhances strength and surface finish of products
• Textile Industry
  • Printing and dyeing process auxiliary agent
  • Improves dye dispersion and uniformity
  • Enhances dyeing effect and color fastness
• Petroleum Industry
  • Drilling fluids and oilfield chemicals
  • Adjusts drilling fluid viscosity
  • Prevents scaling and reduces corrosion
• Other Applications
  • Metal treatment: cleaning and rust prevention
  • Paper industry: filler and coating dispersant
  • Coatings industry: improves stability and fluidity
• Environmental Considerations
  • Potential for water eutrophication
  • Being replaced by non-phosphorus alternatives (zeolite, polycarboxylate) in some applications

• High quality raw materials: Strict selection meeting environmental standards
• Advanced production technology: International equipment with automated processes
• Diverse product lines: Wide range of industrial chemicals with customization options
• Strict quality control: ISO9001 certified with continuous improvement
• Environmental protection: Focus on eco-friendly products meeting safety standards
• Market recognition: Strong brand reputation with customer-focused service
• R&D innovation: Dedicated team developing competitive new products