Agent Name

Cyclohexene

CAS Number

110-83-8

Formula

C6-H10

Major Category

Other Classes

Synonyms

1,2,3,4-Tetrahydrobenzene; 3,4,5,6-Tetrahydrobenzene; Benzene tetrahydride; Benzene, tetrahydro-; Benzenetetrahydride; Cyclohex-1-ene; Cykloheksen [Polish]; Hexanaphthylene; Tetrahydrobenzene; [ChemIDplus] UN2256

Category

Aliphatics, Unsaturated

Description

Colorless liquid with a sweet odor; [NIOSH]

Sources/Uses

Used in organic synthesis and as a solvent for oil extraction and catalysts; [ACGIH]

Comments

Exposed laboratory animals show loss of righting reflex and staggering gait. [HSDB] A skin, eye, and respiratory tract irritant; Inhalation of high concentrations may cause CNS effects; [ICSC]

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TLV (ACGIH)

300 ppm

PEL (OSHA)

300 ppm

IDLH (NIOSH)

2000 ppm

Excerpts from Documentation for IDLHs

Other animal data: A chronic inhalation study (6 hours/day, 5 days/week for 6 months) in rats, guinea pigs, and rabbits at concentrations of 150, 300, and 600 ppm showed that although significant increases in alkaline phosphatase occurred in all three groups, most of the hematologic parameters measured were within normal limits [Laham 1976].

Vapor Pressure

89 mm Hg

Odor Threshold Low

0.18 ppm

Lethal Concentration

LC (rat) = > 6,370 ppm/4H

Explanatory Notes

Odor threshold from AIHA; Flash point = 11 deg F;

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

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
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: