Comphene
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Comphene
structure -
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CAS No:
565-00-4
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Formula:
C10H16
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Chemical Name:
Comphene
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Synonyms:
2-dimethyl-3-methylene-(+/-)-bicyclo[2.2.1]heptan;FEMA 2229;D,L-CAMPHENE;CAMPHENE 90;CAMPHENE 46;AKOS NCG1-0107;Camphene (contains ca 20% trycyclene);containsca20%richcyclene
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CAS No:
Description
Camphene is a colorless to white crystalline solid, Camphor, or turpentine odor. It may be shipped as a liquid. Freezing/Melting point 5 50C.
ChEBI: Camphene is a monoterpene with a bicyclic skeleton that is bicyclo[2.2.1]heptane substituted by geminal methyl groups at position 2 and a methylidene group at position 3. It is a widespread natural product found in many essential oils. It has a role as a plant metabolite and a fragrance. It is a monoterpene and a carbobicyclic compound.
Camphene is used to manufacture synthetic camphor; for making moth-proofing and in the cosmetics, perfume, and food flavoring industries.
UN1325 Flammable solids, organic, n.o.s., Hazard Class: 4.1; Labels: 4.1-Flammable solid. UN2319 Terpene hydrocarbons, n.o.s., Hazard Class: 3; Labels: 3- Flammable liquid
Crystallise it twice from EtOH, then repeatedly melted and frozen at 30mm pressure. [Williams & Smyth J Am Chem Soc 84 1808 1962.] Alternatively it is dissolved in Et2O, dried over CaCl2 and Na, filtered, evaporated and the residue is sublimed in a vacuum [NMR: Hana & Koch Chem Ber 111 2527 1978].
Characteristics
0
4.1 (calculated)
Camphene appears as a colorless to white crystalline solid with an insipid camphor-like odor. Dust and crystals are irritants to the eyes, nose and throat. Emits flammable vapors when heated. Emits acrid smoke and irritating fumes at high temperature. Used for the manufacture of synthetic camphor.
0.85 g/mL at 25 °C(lit.)
48-52 °C(lit.)
159-160 °C(lit.)
94 °F
1.484
Solubility in water, g/100ml at 20°C: 0.0004 (very poor)
Storage temperature: ambient; venting: open.
Vapour pressure, kPa at 20°C: 0.4
Relative vapour density (air = 1): 4.7
Camphoraceous, cooling, piney wood with trephy nuances...citrus and green minty and green spicy notes
Camphoraceous taste
Safety Information
II; III
4.1
UN 1325 4.1/PG 2
2
F
16-33
EX1055000
F
Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access. Fireproof.
Volatilizes on exposure to air. /dl-Form/
P264, P273, P280, P305+P351+P338, P337+P313, P391, P501
11
Forms explosive mixture with air. Emulsions in xylene may violently decompose on contact with iron or aluminum above 70C. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Contact with reducing agents may cause exothermic reaction, releasing flammable hydrogen gas
UN 1325 4.1/PG 2
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