noun
- Plural of isobutane; a branched-chain hydrocarbon with four carbon atoms, used as a refrigerant, propellant, and fuel.
Usage: chemistry; technical
Examples
- Isobutanes are commonly used as propellants in aerosol sprays.
- The chemical formula for isobutanes is C₄H₁₀.
- Isobutanes have a lower boiling point than n-butane.
- Many refrigeration systems rely on isobutanes as a working fluid.
- The petroleum industry produces isobutanes during the refining process.