Trisodium Phosphate (TSP) Application: Trisodium Phosphate (TSP) Technical grade mainly used for soft agent, boiler cleaning and detergent metal anti-rust agent, fabric mercerizing strengthening agent, etc Trisodium Phosphate (TSP) In food processing industry, it is used as buffering agent, emulsifier, antitacking agent, antioxidant additive, nutrition supplement, metal chelation. Product Description: Properties of Trisodium Phosphate TSP : Colorless or white acicular crystal; Be soluble in water (the water solution is alkaline), insoluble in organic solvent; Relative density 1.62(20 C); Melting point 73.3-76.7 C (decomposition); Effloresce in dry air, dewatering to anhydrous matter at 100 C (Na3PO4).