Sherlock Chemical
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 engineered for large-scale industrial applications. Formulated for maximum functional efficiency, cost control, and formulation stability, our STPP acts as a powerful water softener, builder, and dispersing agent.
Key Benefits
Detergent & Cleaning Products: Functions as a core builder to sequester hard water ions ($Ca^{2+}$, $Mg^{2+}$), emulsify fats, and prevent dirt redeposition.
Industrial Water Treatment: Effectively prevents scale formation, controls corrosion, and softens process water in boilers and cooling towers.
Ceramic Processing: Serves as a high-efficiency deflocculant/dispersant to reduce slurry viscosity and optimize liquid processing.
Metal Surface Treatment: Enhances degreasing and cleaning efficiency prior to plating or coating.
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 |
While food-grade STPP focuses on food additive compliance, industrial-grade STPP is fully optimized for maximum performance and cost-efficiency. It delivers high purity, consistent batch quality, and rapid solubility—making it the ideal choice for cost-conscious, high-volume operations.
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.
