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CAS No. :16893-85-9
UN No.:2674
HS No.: 2826901000
Molecular weight ：188.06
[Properties]: Sodium fluorosilicate is odorless and tasteless crystalline or powder. molecular formula Na2SiF6， Stable at normal temperature and pressure; It is hard to dissolve in water and acid, won’t burn or explode being heated.
[Quality standard]:qualified with the standard 【HG3252-2000】.
| Item |
Standard values(%) |
Test result |
| Appearance |
White powder |
White powder |
| Sodium fluorosilicate (Na2SiF6) |
>=98.5 |
99.0 |
| Loss of weight on drying at 105℃ |
＜0.30 |
0.30 |
| Free acid (as HCL) |
=<0.1 |
0.047 |
| Chlorides(CL) |
=<0.15 |
0.11 |
| Sulfate (SO4) |
=<0.25 |
0.23 |
| Fe |
=<0.02 |
0.02 |
| H2O |
=<0.4 |
0.18 |
| Fineness |
>=90 |
99 |
[Application]:Milky agent and fusing agent for glass and enamel; preserving agent for wood; agricultural insecticide ; hygroscopic agent for acid-resisting cement; coagulation accelerator in natural emulsion products. Additive in electroplating zinc , nickel and iron in three floors; stuffing agent in plastics; pharmacy, fluorating treatment for drinking water and for man-made crystals and Sodium Fluoride.
[Packing]: polyethylene weaving inner lined with plastic bag. Net weight is 25kg（exported packing）.
[storage and transportation ]: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food.
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