F6Na2Si
188.055 g/mol
Industrial ChemicalDanger
Sodium hexafluorosilicate
CAS16893-85-9EC240-934-8
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
wood preservative, glass manufacturing, pesticides
Sodium hexafluorosilicate is an inorganic salt that is notable for its low solubility in water compared to other sodium salts. It is primarily used in industrial applications such as wood preservation, glass manufacturing, and as a pesticide.
wood preservativeglass manufacturingpesticide
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
Relevant lists:Australia Group Chemical Weapons Precursors
CAS 16893-85-9
Related Compounds
ReferenceSame Category
Perfluorobutyl 1,3-dioxo-1H-benzo[de]isoquinoline-2(3H)-sulfonate
CAS1691128-01-4
Sulfonate ester reagent
ReferenceSame Category
Ammonium fluorosilicate
CAS16919-19-0
insecticide, miticide, wood preservative
ReferenceSame Category
Potassium hexachloroplatinate(IV)
CAS16921-30-5
photographic processing chemical
ReferenceSame Category
Sodium hexafluoroantimonate
CAS16925-25-0
Inorganic chemical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H402Harmful to aquatic life
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Sodium hexafluorosilicate (CAS 16893-85-9) is 2826.90.
HS code (international, 6-digit)
2826.90
EU CN code (8-digit)
2826 90 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
disodium;hexafluorosilicon(2-)
InChIKey
TWGUZEUZLCYTCG-UHFFFAOYSA-N
SMILES
F[Si-2](F)(F)(F)(F)F.[Na+].[Na+]
Synonyms (33)
- Destruxol applex
- Disodium hexafluorosilicate
- Disodium silicofluoride
- ENT 1,501
- Ens-zem weevil bait
- Fluorosilicate de sodium
- Fluosilicate de sodium
- NATRUM SILICOFLUORICUM
- Natriumhexafluorosilicat
- Natriumsilicofluorid
- Natriumsilicofluorid [German]
- Ortho earwig bait
- Ortho weevil bait
- PSC Co-Op weevil bait
- SODIUM SILICOFLUORIDE
- SODIUM SILICOFLUORIDE [MART.]
- Safsan
- Salufer
- Silicon sodium fluoride
- Sodium fluosilicate
- Sodium hexafluorosilicate
- Sodium hexafluosilicate
- Sodium silica fluoride
- Sodium silicon fluoride
- Super prodan