Na5P3O10
7758-29-4
231-838-7
0.35~0.90g/cm³
It is readily soluble in water at 622℃, and its aqueous solution is alkaline.
White granules/powder
Detergent/industrial grade
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Product Overview
Industrial Grade Sodium Tripolyphosphate (STPP) is a high-performance inorganic phosphate specifically manufactured for industrial applications where functional efficiency, cost control, and formulation stability are critical. As a proven builder, dispersant, and water softener, industrial STPP is widely applied in detergent production, industrial cleaning agents, water treatment systems, and ceramic processing.
Unlike food-grade STPP, industrial-grade STPP is optimized for performance rather than food compliance, making it an ideal choice for large-scale industrial operations requiring reliable quality and consistent batch performance.
Key Benefits
·Strong chelating ability for calcium and magnesium ions in hard water
·Excellent water softening and scale inhibition performance
·Improves cleaning efficiency and reduces surfactant consumption in detergent formulations
·Enhances dispersion of solid particles, fillers, and pigments
·Stable quality suitable for continuous industrial production and automated dosing systems
Technical Specification
Appearance | White powder or granules |
STPP Content (as Na₅P₃O₁₀) (%) | ≥ 94.0 |
P₂O₅ (%) | ≥ 57.0 |
Water Insoluble Matter (%) | ≤ 0.10 |
Iron (Fe) (%) | ≤ 0.007 |
Whiteness (%) | ≥ 90 |
pH (10 g/L aqueous solution) | 9.2 – 10.0 |
Particle Size | ≥ 95% passing 1.00 mm sieve |
Main Applications
Detergent Industry
· Builder and water softener in powder and liquid detergent formulations
· Improves washing efficiency and soil suspension performance
· Reduces surfactant dosage while maintaining cleaning effectiveness
Industrial Cleaning
· Used in metal, equipment, and surface cleaning formulations
· Prevents scale formation and enhances cleaning efficiency in hard-water conditions
Water Treatment
· Chelates calcium and magnesium ions in industrial water systems
· Helps reduce scaling and improve system efficiency
Ceramics & Industrial Processing
· Acts as a dispersant in ceramic slurries and suspensions
· Improves particle dispersion and processing stability
Packaging & Storage
Packaging Options:
• 25 kg woven bags with PE inner liner
• 1000 kg jumbo bags (optional)
Logistics & Supply:
• Minimum Order Quantity (MOQ): ≥ 1 MT
• Delivery terms: FOB / CFR / CIF
Storage Conditions:
• Store in a cool, dry place
• Keep containers tightly sealed to prevent moisture absorption
Quality & Documentation
Each production batch is supplied with complete quality documentation, including Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and Certificate of Analysis (COA). Strict batch control ensures consistent performance for industrial customers.
Industrial Grade Notice
This product is Industrial Grade Sodium Tripolyphosphate (STPP) and is NOT intended for food, pharmaceutical, or feed applications. For food-grade requirements (FCC / E451), please refer to our Food Grade STPP products.
