F6K2Si
220.272 g/mol
Industrial ChemicalDanger
Potassium hexafluorosilicate
CAS16871-90-2EC240-896-2
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Opalescent glass and porcelain enamels
Potassium hexafluorosilicate is an inorganic salt primarily used in the manufacture of opalescent glass and porcelain enamels. It also serves as an insecticide component and is employed in aluminum metallurgy.
Opalescent glass manufacturingPorcelain enamelsInsecticide component
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.
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Related Compounds
ReferenceSame Category
Tetrafluoroboric acid
CAS16872-11-0
metal cleaning and electroplating agent
ReferenceSame Category
1-Adamantyl methacrylate
CAS16887-36-8
Monomer for polymer synthesis
ReferenceSame Category
Sodium fluorosilicate
CAS16893-85-9
wood preservative, glass manufacturing, pesticides
ReferenceSame Category
Perfluorobutyl 1,3-dioxo-1H-benzo[de]isoquinoline-2(3H)-sulfonate
CAS1691128-01-4
Sulfonate ester reagent
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H316Causes mild skin irritation
H320Causes eye irritation
H335May cause respiratory irritation
H372Causes damage to organs through prolonged or repeated exposure
H319Causes serious eye irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Potassium hexafluorosilicate (CAS 16871-90-2) 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
dipotassium;hexafluorosilicon(2-)
InChIKey
UUHPPUWEDCVPCO-UHFFFAOYSA-N
SMILES
F[Si-2](F)(F)(F)(F)F.[K+].[K+]
Synonyms (15)
- FLUOROSILICATE DE POTASSIUM
- FLUOSILICATE DE POTASSIUM
- Potassium fluosilicate
- Potassium hexafluorosilicate
- Potassium silicofluoride
- SILICOFLUORURE DE POTASSIUM
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