... 3.content:68% 4.Appearance: white powder 5.High quality Factory Sodium hexametaphosphate CHEMICAL NAME: Sodium HexametaphosphateFormula (NaPO3)6CAS No. 10124 ... as Ca,Ba,Mg,Cu and Fe;It is a fine agent for water treatment.Specification: itemsIndustrial gradeFood gradeTotal phosphate (P2O5 ... plastic bags.Furthermore,is should be stored separately from poisonous. Factory Sodium hexametaphosphate