| Sodium fluorosilicate main Used in galss industrial as apalizer.building materials as coagulator,antiseptic for wood.plastic indusrial as loading agent |
Sodium fluorosilicate
White granules or crystalline powders. Odorless. Tasteless. Burning (300 ° C) and then decomposed into sodium fluoride and silicon tetrafluoride. in alkali liquid. Decomposition to fluoride and silica.it is moisture absorption. Dissolved in 150 parts of cold water,40 parts of boiling water, insoluble in ethanol. The cold water solution was neutral, in the hot water decomposition was acidic. The relative density of 2.679. Medium toxic, half lethal dose (rat, oral) 125mg. IrritatingSynonyms :Sodium fluorosilicate;destruxol applex;disodium hexafluorosilicate CAS no:16893-85-9 Molecular formula:Na2SiF6
Molecular weight:M=188.06
Appearance : white crystal powder
Sodium fluorosilicate specifications|
Content |
99% Min |
|
F |
59%min |
|
Fe |
0.01% Max |
|
Free acid (HCl) |
0.1%Max |
|
Pb |
0.02%Max |
|
Water-insoluable |
0.5%Max |
|
Loss of drying |
0.3% Max |