Sodium Hexametaphosphate
Molecular Formula: (NaPO3)6
M.W.: 611.82
CAS No.: (1) 68915-31-1
(2) 10124-56-8
Properties: It is white powder, soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and 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.
Main Usage: Mainly used in industries of oil field, 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: in 25kg net plastic woven bag lined with double-layer PE bag.
Storage and transportation: This product should be stored in a cool, dry and well ventilated place.
Main technical data:
ITEM |
TECH GRADE |
FOOD GRADE |
Phosphorus pentoxide (as P2O5) |
68% Min. |
68% Min. |
Unactive phosphate (P2O5) |
7.5% Max. |
7.5% Max. |
Iron (Fe) |
0.05% Max. |
0.05% Max. |
PH Value |
5.8-7.3 |
5.8-6.5 |
Insoluble matter in water |
0.05% Max. |
0.06% Max. |
Arsenic (As) |
- |
0.0003% Max. |
Heavy metal (as Pb) |
- |
0.001% Max. |
Fluoride (as F) |
- |
0.003% Max. |