Trisodium phosphate as a colorless needle-like hexagonal crystals. Soluble in water, insoluble in organic solvents,Trisodium phosphate relative density of 1.62 (20 degrees C): melting point 73.3-76.7 ° C (decomposition),7601 -54-9 easily weathered in dry air, 100 ° C that has lost ten two crystal water from anhydrous (Na3PO4). Trisodium phosphate alkaline aqueous solution, the skin has some erosion.
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