isobutane i-butane, methylpropane alkane molecule. used as refrigerant in freezers and refrigerators and as propellant in.

alkane atomic atoms butane camp carbon chemical chemistry composition compound depletion drawing flat formula freezer global green hydrocarbon hydrogen ibutane icon iso isobutan isobutane line methylpropane molecular molecule ozone potential propellant r600a refrigeration refrigerator skeletal stove structure tertiary vector warming