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RC-318 (Octafluorocyclobutane)


Synonyms:Freon C318; Halocarbon C318; Perfluorocyclobutane; RC-318
CAS No.: 115-25-3 EC No.: 204-075-2
Molecular Weight:  200.0312
Molecular Formula: C4F8
Structural Formula: RC-318
b.p. (1 atm): -5.8°C
m.p.: -40.1°C
Density of liquid (-20°C): 1.654g/cm3
ODP: 0


RC-318 is produced by the dimerization of tetrafluoroethylene and the reductive coupling of 1,2-dichloro-1,1,2,2-tetrafluoroethane.


RC-318 is used as propellant in food industry, refrigerant, cleaning agent, dielectic (mixture with SF6); media of polymerization of fluorine-contained polymers; raw mateial for etchant of IC.


Items Specification
C-318 (Octafluorocyclobutane content), % 99.90 min.
moisture, mg/kg 20 max.
oxygen, v/v, % 0.0020 max.
acidity, mg/kg 1 max.
non-volatile residues, % 0.0050 max.
apprearance clear colorless liquefied gas

Standard Packaging

1200kg/steel cylinder; filling ratio 1.296kg/l

Packaging photos coming soon

Risks and Safety Information

RC-318 is regulated by UN as Non flammable liquefiable gas with Class 2.2; UN 1976
For more information, please see MSDS

Warning: nonflammable gas

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