C4F9KO3S
338.19 g/mol
Industrial ChemicalDanger
Potassium perfluorobutanesulfonate
CAS29420-49-3EC249-616-3
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
surfactant and flame retardant
Potassium perfluorobutanesulfonate is a fluorinated surfactant and flame retardant compound used primarily in industrial applications. It is a salt consisting of a perfluorobutanesulfonate anion and a potassium cation, with high thermal stability and surface-active properties.
industrial surfactantflame retardant
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
StrongStructure SimilarSimilarity 0.94
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Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance1
- EU REACH SVHCEURegulation
Customs Tariff Classification
The international HS code for Potassium perfluorobutanesulfonate (CAS 29420-49-3) is 2904.99.
HS code (international, 6-digit)
2904.99
EU CN code (8-digit)
2904 99 00
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
potassium 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate
InChIKey
LVTHXRLARFLXNR-UHFFFAOYSA-M
SMILES
C(C(C(F)(F)S(=O)(=O)[O-])(F)F)(C(F)(F)F)(F)F.[K+]
Synonyms (27)
- PFBSA
- PPBS
- PPFBS
- Potassium nonaflate
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