... solid, easily soluble in water, but insoluble in ethanol, its water solution is slightly alkaline, relative density ... ≤%0.0001Application:Used as a fire-prevention agent for fabric, timber, and paper, also as water softening ... agent for boiler, food additive, buffering agent ,solder, tanning agent ... poisonous substances. Disodium Phosphate Anhydrous DSP for food