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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
disodium hexafluorosilicate

Inventory

EC number:
240-934-8
EC name:
Disodium hexafluorosilicate
CAS number:
16893-85-9
CAS number:
16893-85-9
Synonyms
Names:
Silicate(2-), hexafluoro-, disodium
Identifier:
IUPAC name
Disodium hexafluorosilicate
Identifier:
IUPAC name
Sodium fluorosilicate
Identifier:
other: Molecular formula
Na2SiF6
Identifier:
other: InChl
TWGUZEUZLCYTCG-UHFFFAOYSA-N
disodium hexafluorosilicate

Molecular and structural information

Molecular formula:
F6Si.2Na
Molecular weight:
188.055
SMILES notation:
[Na+].[Na+].F[Si-2](F)(F)(F)(F)F
InChl:
InChI=1/F6Si.2Na/c1-7(2,3,4,5)6;;/q-2;2*+1
Structural formula:
Chemical structure

Related substances

Identifier:
CAS number
Identity:
16893-85-9