DL-Camphene

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Catalog Number : CS-T-10089
CAS Number : 79-92-5
Status :
Category : Intermediates
Molecular Weight : 136.23 mol/g
Molecular Formula : C₁₀H₁₆
Industry : Flavours And Fragrances
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Synonyms : 2,2-dimethyl-3-methylidenebicyclo[2.2.1]heptane
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Canonical SMILES : CC1(C2CCC(C2)C1=C)C
Isomeric SMILES : CC1(C2CCC(C2)C1=C)C
InChI : InChI=1S/C10H16/c1-7-8-4-5-9(6-8)10(7,2)3/h8-9H,1,4-6H2,2-3H3
InchIKey : CRPUJAZIXJMDBK-UHFFFAOYSA-N
Related CAS : 35138-79-5
IUPAC Name : 2,2-dimethyl-3-methylidenebicyclo[2.2.1]heptane
Exact Mass : 136.125200510
Color : Colorless crystals
Odor : Camphoraceous, cooling, piney wood with trephy nuances...citrus and green minty and green spicy notes
Melting Point : 122 °F (USCG, 1999)
Boiling Point : 310 °F at 760 mm Hg (USCG, 1999)
Solubility : 3.38e-05 M
Density : 0.87 at 59 °F (USCG, 1999)
Chemical Classes : Biological Agents -> Wood Dusts & Extracts
Use Classification : EPA Safer Chemical Functional Use Classes -> Fragrances
Industry Uses : Adhesives and sealant chemicals
Consumer Uses : Adhesives and sealants
Hazard Class : Flam. Liq. 3 (100%)
Description : 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.
Disposal Methods : SRP: Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in air, soil or water; effects on animal, aquatic and plant life; and conformance with environmental and public health regulations. If it is possible or reasonable use an alternative chemical product with less inherent propensity for occupational harm/injury/toxicity or environmental contamination.
EC Number : 201-234-8
Vapor Pressure : 2.50 mmHg
Toxicity Summary : IDENTIFICATION AND USE: Camphene is a colorless crystal with camphor-like odor. It is used in the manufacture of synthetic camphor and as a camphor substitute. Also used as a fragrance, plasticizer for resins and lacquers. Chlorination of camphene produces toxaphene (a persistent organochlorine pesticide of complex composition). HUMAN EXPOSURE AND TOXICITY: Camphene is not a sensitizer for human skin. Camphene dissolved in dimethylformamide and water at 1, 10, and 100 ug/mL showed no cytotoxic effects on HeLa cells in monolayer culture. ANIMAL STUDIES: Camphene has low toxicity; the oral LD50 for rats is greater than 5 g/kg. Camphene applied full strength to intact or abraded rabbit skin for 24 hr under occlusion was slightly irritating. It was considered as irritating for the rabbits' eyes, but all symptoms were fully reversible within 7 days. Male rats were used in a 14-day feeding study with daily administration of 0.5% and 1% concentration of camphene in food. 0.5% was the concentration at which no toxic effects were observed after 14 days of exposure. Camphene at 1% concentration in the diet slightly reduced body weight gain. Pregnant rats were administered doses of 250-1000 mg/kg bw camphene from the 6th to 15th day of gestation by oral gavage. No toxic effect observed in treated dams nor in the fetuses at the dose of 250 mg/kg bw for 10 days. Camphene at 1000 mg/kg bw/day caused slight but not significant increase of the resorption rate, and consequently of the implantation loss. No further influence on the prenatal development was detected. Camphene was negative in the Ames test of Salmonella typhimurium TA 98, TA 100 with and without activation. ECOTOXICITY STUDIES: Camphene adversely affected larval growth rate and pupal weight of western spruce budworm (Choristoneura occidentalis).
Antidoteand Emergency Treatment : Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand-valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR as necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Camphor and related compounds/
Human Toxicity Excerpts : /HUMAN EXPOSURE STUDIES/ Tested at 4% in petrolatum camphene produced no irritation after a 48-hour closed-patch test on human subjects. Camphene was also found not to be a sensitizer for human skin.

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