sodium hexametaphosphate white powder, it has food-grade and industrial grade Chemical formula: (NaPO3)6molecular weight: 611.82white ... , paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. as water softener, flotation selecting agent, ... , PH regulator, metal ions chelating agent, adhesive and leavening agent etc. Total phosphate,as P2O568%min Inactive ...