... point at 622 o C, easily soluble in water, with remarkable chelating ability to some metal ions ... main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and ... grade Main content, %; 94.0 P2O5%≥ 57.0 Water insoluble %; 0.1 Iron, as Fe %; 0.015 ... Net weight 25kg, 50kg or 1000kg; Keep away from water or moisture, do not pile up in the open ...