To provide a cyclopropane compound, its derivative useful as a perfume ingredient and a perfume composition comprising the compound, etc.

The invention relates to the cyclopropane compounds or derivatives thereof represented by one of an optical isomer of [2-methyl-2-(4'-methyl-3'-pentenyl)cyclopropenyl] methanol, an optical isomer of 2-[2'-(2'', 2''-dimethyl)cycloppropyl] ethyl-2-methylcyclohexylpropane methanol, and 3-(2', 2'-dimethylcyclopropyl)-2-(1''-methylcyclopropyl)-1-propanol, and also relates to the perfume composition comprising at least one of the cyclopropane compound or its derivative.