Agent Name

l-Limonene

CAS Number

5989-54-8

Formula

C10-H16

Major Category

Biological Agents

Synonyms

(S)-Limonene; 1-Methyl-4-(1-methylethenyl)cyclohexene, (S)-; Cyclohexene, 1-methyl-4-(1-methylethenyl)-, (S)-; P-Mentha-1,8-diene, (S)-(-)-; beta-Limonene; [ChemIDplus] UN2052

Category

Terpenes

Description

Colorless liquid; lemon-like odor; [CHEMINFO]

Sources/Uses

Used in artificial essential oils and to make (+)-carvone; Occurs naturally in essential oils of pine, peppermint, spearmint, and other plants; A minor constituent of turpentine; [CHEMINFO] Used in flavorings, fragrances, cosmetics and as a solvent and wetting agent; Also used to make resins, insecticides, insect repellants, and animal repellants; [HSDB]

Comments

A skin sensitizer; A mild skin, eye, and respiratory tract irritant; [CHEMINFO] Danger of skin sensitization; [MAK] An irritant; May cause skin sensitization; Effects in high-dose animal studies include acute tubular necrosis; [MSDSonline] The racemic mixture of d-limonene and l-limonene is called dipentene or limonene (138-86-3). [Kanerva, p. 1789] See "Limonene" and "d-Limonene."

Exposure Assessment
Vapor Pressure

1.44 mm Hg

Explanatory Notes

Flash point = 48 deg C; VP < 3 mm Hg at 14 deg C; [CHEMINFO] The Guide in the Emergency Response Guidebook is for "Dipentene."

Adverse Effects
Skin Sensitizer

Yes

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