Molecular Formula   (NaPO3)6
M.W.   611.77
Basic Characteristics   Melting point of 616 centigrade decomposition   the relative density of 2.484 g/cm3 20 centigrade   soluble in water   do not dissolve in organic solvents, transparent glass sheet of white granulated or crystal,strong Hygroscopicity.
Industrial-grade quality standards  HG/T2519-93
Food-grade quality standards  GB1890-2005
 
Industrial Grade
 Food Grade
 
Total phosphate"P2O5"min68.0%
 68.0
 
Non-active phosphate "P2O5" max7.50%
 7.50
 
Iron,as Fe max0.05%
 0.05
 
Ph value  1% solution  max5.8~7.3
 5.8~6.5
 
Solubility Qualified
 Qualified
 
Water insoluble max0.05 %
 0.06
 
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 Heavy metals,as Pb max 0.01%
 
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 Arsenic ,as As max0.0003%
 
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 Fluoride,As F max0.03%
 
 
Application

1.Industrial use
2.used as a water softening agent
3.used as a floating agent.
4.used as a adhesive agent.
5.use as cleaner in textile   dyeing industry.
6.Food use
It is mainly used as a modifier for the canned food, fruit juice beverages, dairy products and soymilk, and so on.
Storage  dry and hermetic
Packaging   Plastic-woven sack with inner polythene film   net weight at 25, 50 or 1000kg