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. | 
