Agent Name

Myrcene

CAS Number

123-35-3

Formula

C10-H16

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

Category

Terpenes

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."

Exposure Assessment
Vapor Pressure

2.01 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Terpene hydrocarbons, n.o.s."

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: