3-Carene

Synonyms

(+-)-3-Carene; (+-)-delta3-Carene; 3,7,7-Trimethylbicyclo(4.1.0)hept-3-ene; 3-Karen [Czech]; 3-Norcarene, 3,7,7-trimethyl-; Monoterpenes; S-3-Carene; delta(sup 3)-Carene; Bicyclo(4.1.0)hept-3-ene, 3,7,7-trimethyl-; [ChemIDplus] UN2319

Category

Terpenes

Description

Colorless liquid with a sweet, turpentine-like odor; [CAMEO]

Sources/Uses

Used as an intermediate and solvent; [Hawley] One of the major components of turpentine; [ACGIH]

Comments

A skin and eye irritant; May cause headache and confusion; [CAMEO] May cause irritation; May cause skin sensitization; [MSDSonline] "Turpentine and the monoterpenes (alpha-pinene, beta-pinene, 3-carene) are skin and mucous membrane irritants, and in high concentrations, are central nervous system (CNS) depressants." A dermal sensitizer; [ACGIH] The allergens in turpentine are hydroperoxides of delta-3-carene with higher concentrations in Indonesian than in Portuguese turpentine. [Kanerva, p. 1766] Occupational asthma confirmed in hospital lab technician to a bicyclic terpene from latex gloves, probably 3-Carene; [Malo] See "Turpentine." See "TERPENES."

Reference Link #1

Biomedical References

No

20 ppm

3.72 mm Hg

Explanatory Notes

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

Yes

Yes

Acute solvent syndrome

Not Classifiable

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Contact dermatitis, allergic
• Encephalopathy, chronic solvent
• Solvents, acute toxic effect

Processes

Industrial Processes with risk of exposure:

• Painting (Solvents)