We Offer Trisodium phosphate. Features: Colorless and hexagonal crystallization Soluble in water and insoluble in organic solvents Relative density: 1.62 (20 ℃) Melting point: 73.3 to 76.7 ℃ (decomposition) The crystal water lost from the twelve anhydrous (Na3PO4) in 100 ℃ Alkaline aqueous solution, corrosive to the skin Used in metallurgy, chemical, textile, printing and dyeing, paper, electrical and mechanical industry for water softeners, boiler tube cleaning and detergent, metal rust inhibitors, dyes intermediates, desiccant, the purification of sugar syrup agents, photographic developer, mercerized fabric enhancer, rubber latex coagulant, dental adhesives and pharmaceutical Product quality: HG/T2517-2009 Index: Trisodium phosphate (in Na3PO4 • 12H2O) Content/%: ≥98.5 (excellence), 98.0 (grade), 95.0 (qualified) Sulfate (SO4 ²-dollars)/%: ≤0.50 (excellence), 0.50 (grade), 0.8 (qualified) Chloride (CI-dollars)/%: ≤0.3 (excellence), 0.40 (grade), 0.5 (qualified) Water insoluble matter/%: ≤0.05 (excellence), 0.10 (grade), 0.3 (qualified) Methyl orange alkalinity (as Na2O dollars): 16.5 to 19.0 (excellence), 16.0 to 19.0 (grade), 15.5 to 19.0 (qualified) Iron (Fe total)/%: ≤0.01 (excellence) Arsenic (As)/%: ≤0.005 (excellence)