1 TSP Trisodium phosphate 2 white or colorless crystals 3 we are factory Trisodium PhosphateChemical formula Na3PO4 ·12H2OMolecular weight 380.12Properties White or colorless crystals,effloresscent in air,soluble in water,but non-soluble in organic solution; solution is alkaline,PH value of 1% solution at 12.1,relative density at 1.62,and melting point at 73.4.Application Used to soften water;in ...