3246 7-Methyl-3-methylene-1,6-octadiene 7-Methyl-3-methylene-1,6-octadiene is found in allspice. 7-Methyl-3-methylene-1,6-octadiene is found in many essential oils, e.g. hop oil. 7-Methyl-3-methylene-1,6-octadiene is a flavouring agent. 123-35-3 31253 C10H16 136.125200 Yellow, oily liquid (T39). < -10°C 166-168°C 0.0056 mg/mL at 25°C Dermal ; inhalation Myrcene exhibits tyrosinase inhibitory activities, which plays an important role in neuromelanin formation (A2448). LD50: >5000.00 mg/kg (Oral, Rat) (L1203) LD50: >5000.00 mg/kg (Dermal, Rabbit) (L1203) No indication of carcinogenicity to humans (not listed by IARC). Perfume chemicals and flavoring. Myrcene is the major constituent of oil of bay and hop which are used in the manufacture of alcoholic beverages. Myrcene is also present in lemon grass (Cymbopogon citratus), a plant widely used in Brazilian folk medicine. Recently, it was shown that myrcene is a very potent analgesic substance and might be an alternative to the already available analgesic drugs (T39, A2447). Health effects may include dermatitis (A334). Sneezing, itching, and increased nasal congestion (A334). Monitor for respiratory distress in case of inhalation exposure. Irrigate exposed eyes with copious amounts of room temperature water for at least 15 minutes. Administer symptomatic treatment as necessary. (T36) 2009-07-30T17:56:23Z 2014-12-24T20:26:00Z C06074 17221 CPD-4888 Myrcene 3633 true CC(C)=CCCC(=C)C=C C10H16 InChI=1S/C10H16/c1-5-10(4)8-6-7-9(2)3/h5,7H,1,4,6,8H2,2-3H3 InChIKey=UAHWPYUMFXYFJY-UHFFFAOYSA-N 136.234 136.125200512 Exogenous Liquid 4.17 HMDB38169 CHEMBL455491 28993