Sodium fluorosilicate
CAS No. :16893-85-9
UN No.:2674
HS No.: 2826901000
Molecular weight ï¼188.06
[Properties]: Sodium fluorosilicate is odorless and tasteless crystalline or powder. molecular formula Na2SiF6ï¼ 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 105â |
<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.
