Agent Name

Carvacrol

CAS Number

499-75-2

Formula

C10-H14-O

Major Category

Biological Agents

Synonyms

1-Hydroxy-2-methyl-5-isopropylbenzene; 1-Methyl-2-hydroxy-4-isopropylbenzene; 2-Hydroxy-p-cymene; 2-Methyl-5-(1-methylethyl)phenol; 2-Methyl-5-isopropylphenol; 2-p-Cymenol; 3-Isopropyl-6-methylphenol; 5-Isopropyl-2-methylphenol; 5-Isopropyl-o-cresol; 6-Methyl-3-isopropylphenol; Antioxine; Cymene-2-ol, p-; Isopropyl-o-cresol; Karvakrol; Phenol, 2-methyl-5-(1-methylethyl)-; Phenol, 3-isopropyl-6-methyl-; Phenol, 5-isopropyl-2-methyl-; o-Cresol, 5-isopropyl-; p-Cymen-2-ol; p-Cymene, 2-hydroxy-; [ChemIDplus] UN3265

Category

Plant Oils and Extracts

Description

Thick colorless liquid; [Hawley] Clear, deep yellow liquid; [MSDSonline]

Sources/Uses

Found in oil of origanum, thyme, marjoram, and summer savory; Used as a disinfectant, fungicide, and anthelmintic (nematodes); Also used in organic syntheses and in perfumes and flavorings; [Hawley] Origanum oil is about 60% carvacrol; [HSDB]

Comments

Emergency treatment: Irritants; [HSDB] Causes severe irritation on rabbit skin; Causes somnolence and convulsions at lethal doses; [RTECS] Safe when used as a flavoring agent in food; [JECFA]

Exposure Assessment
Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive liquid, acidic, organic, n.o.s."

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: