hydrochlorofluorocarbons

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(Abbreviated HCFCs) A collection of partially chlorinated and fluorinated hydrocarbons (mostly methanes and ethanes), used as refrigerants, foam-blowing agents, and solvents. These species have been developed as replacements for the now-banned chlorofluorocarbons.

Examples include HCFC-141b (CH3CFCl2) and HCFC-142b (CH3CF2Cl). These compounds are less harmful to the ozone layer than the chlorofluorocarbons, due to their shorter atmospheric lifetimes. However, because their ozone depletion potentials are nonzero, these compounds will only be in use temporarily and will ultimately be phased out of production.

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