Agent Name

Geraniol

CAS Number

106-24-1

Formula

C10-H18-O

Major Category

Other Classes

Synonyms

(E)-3,7-Dimethyl-2,6-octadien-1-ol; (E)-Geraniol; (E)-Nerol; 2,6-Octadien-1-ol, 3,7-dimethyl-, (E)-; 2,6-Octadien-1-ol, 3,7-dimethyl-, trans-; 2-trans-3,7-Dimethyl-2,6-octadien-1-ol; 3,7-Dimethyl-2,6-octadien-1-ol, (E)-; 3,7-Dimethyl-trans-2,6-octadien-1-ol; Geraniol (natural); Geraniol Extra; Geraniol alcohol; Geranyl alcohol; Lemonol; beta-Geraniol; trans-3,7-Dimethyl-2,6-octadien-1-ol; trans-Geraniol; [ChemIDplus]

Category

Alcohols and Polyols, Other

Description

Colorless to yellow liquid with geranium odor; [Hawley] Colorless liquid; [MSDSonline]

Sources/Uses

Used in soaps, cosmetics, perfumes, insect attractants, foods, and beverages; [HSDB] Occurs naturally in oil of rose, oil of palmarosa, citronella, lemon grass, and other essential oils; [Merck Index] One of the most common terpenoid chemicals used in soap as a fragrance; [Marks, p. 173] Active ingredient in biopesticide used to control mites on agricultural crops, ornamentals, and landscapes; [ExPub: EPA BRADs]

Comments

Allergic dermatitis with positive patch testing has been reported; "Geraniol was not sensitizing in the human maximization test." A child had convulsions and died after ingesting an unknown quantity of citronella containing 93% geraniol. [HSDB] Danger of skin sensitization; [MAK] A component of the "fragrance mix"; Patch testing by the North American Contact Dermatitis Group showed 2.8% positive tests to geraniol. [Marks, p. 173] Danger of skin sensitization; [MAK] An irritant; Not known to be a sensitizer; Causes CNS depression, spastic paralysis and liver weight changes in high-dose animal studies; [Alfa Aesar MSDS] See "Nerol."

Exposure Assessment
Vapor Pressure

0.03 mm Hg

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Skin Sensitizer

Yes

Neurotoxin

CNS Solvent Syndrome

Hepatotoxin

Hepatotoxin, Secondary

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Health Studies

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Diseases

Occupational diseases associated with exposure to this agent:

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