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C4F8

Octaflourocyclobutane (Halocarbon C318)

Colorless, odorless, tasteless, nonflammable, shipped as a liquefied gas under its own vapor.
Shipping Information
D.O.T. Proper Shipping Name:
Octaflourocyclobutane
I.D. Number:
UN1976
Hazard Class:
2.2
Shipping Labels:
Nonflammable Gas
Technical Information
Molecular weight:
200.031
Specific volume:
1.853/lb
CAS registry:
115-25-3
SDS ref:
Halocarbon C318
About

Halocarbon C318, or octafluorocyclobutane (C₄F₈), stands out among fluorocarbons for its unique cyclic structure – imagine four carbon atoms linked in a ring, with each carbon bearing two fluorine atoms jutting outward like spokes on a wheel. This highly symmetric, ring-shaped configuration creates interesting molecular properties: despite its relatively large size for a halocarbon, it exists as a colorless, odorless gas at room temperature, though it can be readily liquefied under moderate pressure. The ring structure, combined with the extremely strong carbon-fluorine bonds, makes C318 remarkably stable and chemically inert, properties that have made it valuable in specialized industrial applications like semiconductor manufacturing and as a dielectric gas in high-voltage equipment.

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