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Specifications

Sodium Hexametaphosphate(SHMP)
Chemical formula : (NaPO3)6
Molecular weight: 611.8
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.
Guaranteed Technical Specifications :
NO .
specifications
Industrial
Grade
Food
Grade
1
Appearance
 white powder or white fine powder or white granular or colorless piece
 2
Total phosphates (as P2O5 )% ≥
68
68
 3
Inactive Phosphates (as P2O5 )%≤
7.5
7.5
 4
Iron (Fe) % ≤
0.05
0.05
  5 
PH Value
5.8-7.3
5.8-6.5
 6
Solubility
pass
pass
  7 
Heavy Metals (as Pb) % ≤
 
0.001
  8 
Arsenic (As)% ≤
 
0.0003
  9 
Fluoride (as F) % ≤
 
0.003
  10 
Water Insoluble matter % ≤
0.05
0.05
 11
Polymerization
9-21
9-21