... glassy crystal,density is 2.484(20),easily soluble in water,but not in organic ,absorbent to dampness,and turn sticky ... as Ca,Ba,Mg,Cu, and Fe;It is affine agent ffor water treatment. Applications : For industrial use ,such as oil field ... and building material industry,It is mainly used as a water sortening agent in solution for printing,dyeing,and boiler,Diffusant in ...