Chemical formula : (NaPO3)6 Molecular weight: 611.82 Standard executed: HG/2519-1993(technical grade) GB1890-2005(food grade) CAS Number:(1)68915-31-1 (2)10124-56-8 Properties: White powder; Density 2.484(20℃); soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical. Uses: Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. as water softener, flotation selecting agent, disperser and high temperature adhesive; In food industry it used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc. Packing and storage: In 25 Kg,50 Kg,1000 Kg net bage,store at a cool,dry and well ventilated place.