Chemical formula: (NaPO3)6
Molecular weight : 456.9。
Standard executed: Tech grade (HG/T2837-1997)  Food grade (GB 1890-2005)
CAS Number: 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 cheats with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.
Application:
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 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.


specifications        Food   Grade
Appearance         white powder
Total phosphates (as P2O5 )% min     68
Inactive Phosphates (as P2O5 )%min     7.5   
Iron (Fe) %max    0.05   
PH Value                   5.8-7.3
Heavy Metals (as Pb)           10ppm   
Arsenic (As)              3ppm   
Fluoride (as F)           30ppm
Water Insoluble matter % max  0.05
Polymerization              9-21

We can also supply industrial grade SHMP