Sodium Hexametaphosphate(SHMP)
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
Guaranteed Technical Specifications
NO . |
specifications |
Industrial Grade |
Food Grade |
1 |
Total phosphates (as P2O5)% ≥ |
68 |
68 |
2 |
Inactive Phosphates (as P2O5 )%≤ |
7.5 |
7.5 |
3 |
Iron (Fe) % ≤ |
0.05 |
0.05 |
4 |
PH Value |
5.8-7.3 |
5.8-6.5 |
5 |
Solubility |
pass |
pass |
6 |
Heavy Metals (as Pb) % ≤ |
0.001 |
0.001 |
7 |
Arsenic (As)% ≤ |
|
0.0003 |
8 |
Fluoride (as F) % ≤ |
|
0.003 |
9 |
Water Insoluble matter % ≤ |
0.05 |
0.05 |
10 |
Polymerization |
9-21 |
9-21 |
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.
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