Agent Name

alpha-Phellandrene

CAS Number

99-83-2

Formula

C10-H16

Major Category

Biological Agents

Synonyms

1,3-Cyclohexadiene, 2-methyl-5-(1-methylethyl)-; 1-Isopropyl-4-methyl-2,4-cyclohexadiene; 1-Methyl-4-isopropyl-1,5-cyclohexadiene; 2-Methyl-5-isopropyl-1,3-cyclohexadiene; 4-Isopropyl-1-methyl-1,5-cyclohexadiene; 5-Isopropyl-2-methyl-1,3-cyclohexadiene; Dihydro-p-cymene; Menthadiene; alpha-Fellandrene; alpha-Phellandrene (natural); p-Mentha-1,5-diene; Phellandrene, alpha-; [ChemIDplus] UN2319

Category

Plant Oils and Extracts

Description

Colorless liquid; [Hawley]

Sources/Uses

Found in Ceylon ginger oil, Seychelles cinnamon oil, and eucalyptus oil; Used in flavors and perfumes; [Hawley] Used as a chemical intermediate; [HSDB]

Comments

A strong irritant; [Hawley] Emergency treatment: Irritants; [HSDB] Can cause diarrhea and vomiting after ingestion; [Merck Index] Safe when used as a flavoring agent in food; [JECFA] An irritant; Can be absorbed through skin; May cause skin and respiratory sensitization; [Aldrich MSDS]

Exposure Assessment
Vapor Pressure

1.4 mm Hg

Explanatory Notes

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

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