Isoprene

**Semantic type:** Hazardous or Poisonous Substance

**Definition:** An unsaturated pentahydrocarbon, Isoprene is found in certain plants or obtained by distillation of caoutchouc or gutta-percha. In plants, it is elementary in the formation of isoprenoids, fat-soluble vitamins, carotenoids and related pigments. Isoprenes contribute to flavors and fragrances of essential oils and other plant-derived substances. (NCI04)

**Synonyms:** - 2-Methyl-1,3-butadiene - 2-Methyl-1,3-butadiene - ISOPRENE - Isopentadiene