2-carene

3,7,7-trimethylbicyclo[4.1.0]hept-2-ene

CAS: 554-61-0 C10 H16 MW: 136.23752000

Identification

Name	2-carene
IUPAC	4,7,7-trimethylbicyclo[4.1.0]hept-4-ene
CAS Number	554-61-0
FDA UNII	F03R774450
Molecular Formula	C10 H16
Molecular Weight	136.23752000
Nikkaji Number	J109.974D

Regulatory

Physical Properties

Assay	95.00 to 100.00
Food Chemicals Codex Listed	No
Boiling Point	167.00 to 168.00 °C. @ 760.00 mm Hg
Vapor Pressure	3.720000 mmHg (est)
Flash Point	101.00 °F. TCC ( 38.30 °C. ) (est)
logP (o/w)	4.440
Soluble in	alcohol
Insoluble in	water

No sensory data available

Safety Information

Oral/Parenteral Toxicity	Not determined
Dermal Toxicity	Not determined
Inhalation Toxicity	Not determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Category	natural substances and extractives
Recommendation for 2-carene usage levels up to	not for fragrance use.
Recommendation for 2-carene flavor usage levels up to	not for flavor use.

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554-61-0 2-Carene

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Potential Uses

FR fir needle oil replacer FL/FR galangal root FL/FR turpentine

Natural Occurrence

allspice fruit allspice seed anise star anise fruit anise star anise seed bay laurel leaf bay laurel leaf oil caraway plant caraway seed carrot seed cashew fruit cashew nut cayenne fruit celery seed oil chamomile sweet false chamomile plant cinnamon ceylon cinnamon bark cinnamon ceylon cinnamon leaf cinnamon ceylon cinnamon leaf oil cinnamon ceylon cinnamon root bark cinnamon ceylon cinnamon stem bark coriander oil cumin seed cumin seed oil currant black currant bud currant black currant fruit currant black currant leaf dill leaf fennel seed ginger rhizome ginger rhizome oil horsemint shoot hyssop oil hyssop shoot lemon oil lemon petiole lovage root mandarin fruit marjoram plant myristica fragrans seed oil nutmeg oil nutmeg seed oil orange fruit oregano plant oregano shoot parsley fruit oil parsley leaf parsley seed oil pepper bell pepper fruit pepper black pepper fruit pepper black pepper fruit oil pepper black pepper seed oil rosemary leaf oil rosemary plant rosemary sap rosemary shoot saffron stigma sage plant savory winter savory oil savory winter savory plant spearmint oil tarragon oil thyme oil thyme plant tomato leaf turmeric leaf

Synonyms

bicyclo(4.1.0)hept-2-ene, 3,7,7-trimethyl- bicyclo[4.1.0]hept-2-ene, 3,7,7-trimethyl- car-2-ene (±)- car-2-ene (±)-2- carene alpha- carene 3,7,7- trimethyl bicyclo(4.1.0)hept-2-ene 3,7,7- trimethylbicyclo[4.1.0]hept-2-en 3,7,7- trimethylbicyclo[4.1.0]hept-2-ene 4,7,7- trimethylbicyclo[4.1.0]hept-4-ene PubMed: Comparison of chemical compositions and antimicrobial activities of essential oils from three conifer trees; Pinus densiflora, Cryptomeria japonica, and Chamaecyparis obtusa. PubMed: Analysis of the essential oil from the roots of Eupatorium cannabinum subsp. corsicum (L.) by GC, GC-MS and 13C-NMR. PubMed: Chemical composition, cytotoxicity and in vitro antitrypanosomal and antiplasmodial activity of the essential oils of four Cymbopogon species from Benin. PubMed: Cryotrap/SPME/GC/MS method for profiling of monoterpenes in cheese and their clustering according to geographic origin. PubMed: Chemical composition and antioxidant properties of Laurus nobilis L. and Myrtus communis L. essential oils from Morocco and evaluation of their antimicrobial activity acting alone or in combined processes for food preservation. PubMed: A tale of two carenes: intrinsic optical activity and large-amplitude nuclear displacement. PubMed: Biotransformation of (1S)-2-carene and (1S)-3-carene by Picea abies suspension culture. PubMed: Analysis of roasted and unroasted Pistacia terebinthus volatiles using direct thermal desorption-GCxGC-TOF/MS. PubMed: Attraction and oviposition of Tuta absoluta females in response to tomato leaf volatiles. PubMed: Monoterpene-based chiral Î²-amino acid derivatives prepared from natural sources: syntheses and applications. PubMed: Composition of essential oil of Chinese Chenopodium ambrosioides and insecticidal activity against maize weevil, Sitophilus zeamais. PubMed: Lippia javanica (Burm F) Spreng: its general constituents and bioactivity on mosquitoes. PubMed: Comparison of chemical compositions and antimicrobial activities of essential oils from three conifer trees; Pinus densiflora, Cryptomeria japonica, and Chamaecyparis obtusa. PubMed: Formation and stability of secondary ozonides from monoterpenes studied by mass spectrometry. PubMed: Analysis of the essential oil from the roots of Eupatorium cannabinum subsp. corsicum (L.) by GC, GC-MS and 13C-NMR. PubMed: Enantiospecific syntheses of C(5)-functionalized precursors of artemisinin derivatives. PubMed: Platinum- and gold-catalyzed rearrangement reactions of propargyl acetates: total syntheses of (-)-alpha-cubebene, (-)-cubebol, sesquicarene and related terpenes. PubMed: Response factor considerations for the quantitative analysis of western redcedar (Thuja plicata) foliar monoterpenes. PubMed: Thiol-catalysed radical-chain redox rearrangement reactions of benzylidene acetals derived from terpenoid diols. PubMed: Synthesis of new chiral 2,2'-bipyridine ligands and their application in copper-catalyzed asymmetric allylic oxidation and cyclopropanation. PubMed: Production of beta-thujaplicin in Cupressus lusitanica suspension cultures fed with organic acids and monoterpenes. PubMed: Alcaligenes defragrans sp. nov., description of four strains isolated on alkenoic monoterpenes ((+)-menthene, alpha-pinene, 2-carene, and alpha-phellandrene) and nitrate. PubMed: Microbial degradation of monoterpenes in the absence of molecular oxygen.