... density is 2.484 (20°C), easily soluble in water, but not in organic solution, absorbent to dampness, and turn sticky ... is mainly used as a water softening agent in solution for printing, dyeing, and boiler; Diffusant in papermaking; slow corrodent, floating ... b)Store at a well ventilated, dry place. Sodium Hexametaphosphate(SHMP) 68% as water softening agent in solution with best price and high ...