Trisodium phosphate

Trisodium phosphate Identification Name Trisodium phosphate Synonyms Phosphoric acid trisodium salt; Sodium orthophosphate; Sodium phosphate Molecular Formula Na3PO4 Molecular Weight 163.94 CAS Registry Number 7601-54-9 EINECS 231-509-8 Specifications Trisodium phosphate dodecahydrate Molecular formula: Na3PO4. 12H2O CAS: 10101-89-0 Appearance: White crystal powder Properties: Colorless cubic crystalline or white powder. 1.62 g/cm3 density. °C 73.3 melting point. 76.7 °C decomposition. Heated to 100 °C lost 12 gesso and become waterless objects. In dry air and easily. Are soluble in water. The solution is a strong alkali. Insoluble in carbon disulfide and ethanol. Use: Can be used for soft agent and detergent, boiler &dirt-proof agent, printing and dyeing of fixing agent, the fabric mercerizing enhancer, metal corrosion resistance, agents and metal rust, enamel in the production of the flux and decoloring agents, leather fatliquoring agents and the ShengPi to come unglued agent. Food-grade twelve water sodium for food processing of emulsifier, quality improver, nutritional supplements, and increase in food bottles (tank) detergent. Details: Test item Specification Reagent grade Pharmaceutical grade Appearance Conform Conform Assay [Na3PO4]/% ≥98.0 ≥97.0 Clarify degrees test Conform Conform Free alkali /% ≤1.5 ≤3.0 Chloride (Cl)/% ≤0.005 ≤0.005 Sulfate (SO4)/% ≤0.01 ≤0.03 Nitrogen compounds (N)/% ≤0.002 ≤0.005 Ferric (Fe)/% ≤0.0005 ≤0.002 Arsenic (As) /% ≤0.0003 ≤0.001 Heavy metal (Pb)/% ≤0.001 ≤0.002