Major Category
Biological Agents
Synonyms
1,6-Octadiene, 7-methyl-3-methylene-; 2-Methyl-6-methylene-2,7-octadiene; 3-Methylene-7-methyl-1,6-octadiene; 7-Methyl-3-methylene-1,6-octadiene; Myrcene (natural); [ChemIDplus] UN2319
Description
Yellow liquid with a pleasant odor; [Hawley]
Sources/Uses
Beta-myrcene: Found in oil of bay, verbena, hops, and other natural sources; Alpha-myrcene: Not found in nature; [Merck Index] Used as a fragrance, flavoring agent, insect repellent, and detergent additive; [HSDB]
Comments
Moderately irritating to skin and eyes; [HSDB] Causes somnolence and ataxia in lethal dose studies; Causes kidney tubular injury at doses >65 gm/kg given intermittently over 13 weeks; Moderately irritating to the skin of rabbits; [RTECS] Embryotoxic in rats exposed to more than 500 mg/kg/day; [REPROTOX] Safe when used in food as a flavoring agent; [JECFA] See "TERPENES." See "Dihydromyrcene."
Vapor Pressure
2.01 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Terpene hydrocarbons, n.o.s." The IARC classification is for beta-Myrcene, CAS # 123-35-3; VP from ChemIDplus;
Neurotoxin
Acute solvent syndrome
IARC Carcinogen
Possible (2b)
Diseases
Occupational diseases associated with exposure to this agent: