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Sodium Fluorosilicate

Sodium Fluorosilicate

Product Name: Sodium Fluorosilicate

Synonym:Sodium Silicofluoride


Formula: Na2SiF6


Molecular Weight: 188.06


HAZARD CLASS: 6.1


UN. NO.: 2674


CAS: 16893-85-9


EINECS: 240-934-8


H.S. CODE: 2826.901


Sodium Fluorosilicate

Product Details



properties


Colorless, odorless, poisonous and hygroscopic hexa-square crystal. Relative density is 2.679. Be soluble in aetner, 

but insoluble in alcohol. Solubility in acid is larger than in water. Be decomposed as fluoride and silicon oxide in 

alkali solution. Be decomposed as Sodium fluoride and silicon fluoride over 300℃.




Packing

the net weight of each bag is 25kg,Double woven bag packing,The inner packing polyethylene plastic film bag,The
ouer packing polypropylene plastic woven bag.


Product uses

preservative in wood industry; hygroscopic agent; glass and enamel opalizer.



Items

Powder

Partially Prepared Products

High purity

Qulified goods

appearance

white powder

white powder

sodium fluosilicate
(Na2SiF6)

99.0

98

105 loss on drying

0.30

1.0

free acid (HCl)

0.10

0.10

chloride(Cl)

0.15

0.3

water insoluble

0.4

0.6

sulfate(SO4)

0.25

0.3

iron(Fe)

0.02

0.03

grain size

60-200mesh

60-200mesh




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