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| Sodium Hexametaphosphate(SHMP) |
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| Chemical name |
Sodium Hexametaphosphate(SHMP) |
| CAS NO. |
(1)68915-31-1 (2)10124-56-8 |
| Molecular weight |
611.82 |
| Chemical formula |
(NaPO3)6 |
| Standard executed |
HG/2519-1993(technical grade) GB1890-2005(food grade) |
| Properties |
White powder; Density 2.484g/cm3(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 25kg,50kg,1000kg net bage,store at a cool,dry and well ventilated place. |
| 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)% ≤ |
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0.0003 |
8 |
Fluoride (as F) % ≤ |
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0.03 |
9 |
Water Insoluble matter % ≤ |
0.05 |
0.05 |
10 |
Polymerization |
9-21 |
9-21 |
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