Sodium Hexametaphosphate(SHMP)

Chemical formula:(NaPO3)6
CAS Number:10124-56-8
Standard executed:HG/T2837-1997(Tech Grade)GB1890-2005(Food Grade)
Packing and storage:In 25kg,50kg,1000kg net bags,store at a cool,dry and well ventilated place.
Properties:white powder, specific gravity: 2.484(20ýãC), easily soluble in water, insoluble in organic solvents. Absorbent to dampness, and furn sticky when absorbed dampness in air. It is possible to form solvent compound with metallic ions such as Ca, Ba, Mg, Cu and Fe; it is a fine agent for water treatment.
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.
Specifications:
1.Tech Grade:
Appearance:White Powder
Total Phosphates(as P2O5):68% min
Inactive Phosphates(as P2O5):7.5% max
PH value of 1% solution:5.8-7.3
Iron(Fe):0.05% max
Water insoluble:0.05% max
Polymerization:9-21
2.Food Grade:
Appearance:White Powder
Total Phosphate(as P2O5):68% min
Inactive Phosphates(as P2O5):7.5% max
PH value of 1% solution:5.8-7.3
Heavy metals:10ppm max
Fluoride:30ppm max
Arsenic:3ppm max
Iron(Fe):0.05% max
Water insoluble:0.05% max
Polymerization:9-21
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