C4F8
200.03 g/mol
Industrial ChemicalWarning
Octafluorocyclobutane
CAS115-25-3EC204-075-2
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Refrigerant and heat-transfer medium
Octafluorocyclobutane is a colorless, nonflammable gas that poses a risk of asphyxiation in high concentrations. It is commonly used as a refrigerant and heat-transfer medium in industrial applications.
RefrigerantHeat-transfer medium
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
Hexachloroendomethylenetetrahydrophthalic anhydride
CAS115-27-5
Flame retardant and epoxy resin hardener
ReferenceSame Category
Pentaerythritol
CAS115-77-5
Synthetic resins and explosives production
ReferenceSame Category
Triphenyl phosphate
CAS115-86-6
flame retardant and plasticizer
ReferenceSame Category
Tris(2-chloroethyl)phosphate
CAS115-96-8
Flame retardant plasticizer and viscosity regulator
Safety Reference
Warning
H280Contains gas under pressure; may explode if heated
H411Toxic to aquatic life with long lasting effects
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Octafluorocyclobutane (CAS 115-25-3) is 2903.89.
HS code (international, 6-digit)
2903.89
EU CN code (8-digit)
2903 89 70
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
1,1,2,2,3,3,4,4-octafluorocyclobutane
InChIKey
BCCOBQSFUDVTJQ-UHFFFAOYSA-N
SMILES
C1(C(C(C1(F)F)(F)F)(F)F)(F)F
Synonyms (20)
- C318
- E946
- Cyclobutane, octafluoro-
- Cyclooctafluorobutane
- FC-C 318
- FKWC 318
- FLON C 318
- FRON C 318
- Fluorocarbon C-318
- Freon 318
- Freon C-318
- Halocarbon C-138
- Octafluorocyclobutane
- Propellant C318
- R-C 318
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