These tertiary carbinols have the formula ##STR2## where at least one of the Rs is a methyl or cyclohexyl radical and the remaining Rs are selected from the group consisting of alkyl or cycloalkyl radicals of from 1 to 6 carbon atoms which may be the same or different such as a methyl, ethyl, propyl, isopropyl, amyl, cyclohexyl, and the like radical.