Chemical. CAS 106-24-1. Formula C10H18O. MW 154.3. Geraniol is a terpene alcohol with a pleasant rose-like aroma, known as an important ingredient in many essential oils, and is used commercially as a fragrance compound in cosmetic and household products. Geraniol has diverse biological activities, including insecticide, antioxidant, anti-inflammatory, anticancer, antimicrobial properties, and hepatoprotective, cardioprotective and neuroprotective effects. Geraniol induces apoptosis in various cancer cells. Formulations containing geraniol have been used as fragrance ingredients and as insecticides in agriculture. Geraniol is produced by the scent glands of honeybees to mark nectar-bearing flowers and locate the entrances to their hives. It is also commonly used as an insect repellent, especially for mosquitoes. This compound can be used as analytical reference material.