... 2.484(20 degree C),easily soluble in water,but not on organic solution,absorbent to dampness, ... metallic ions such as Ca,Ba,Mg,Cu and Fe;It is a fine agent for water treatment.Specification: ... and building material industry, it is mainly used as a water softening agent in solution for printing, dyeing, and ... in the open air,kept away from water,moisture and sunlight during transport,handled with care, ...