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Registry of Toxic Effects of Chemical Substances (RTECS)

1-Hexanethiol

RTECS #

MO4550000

CAS #

111-31-9

Updated

September 199

Molecular Weight

118.26

Molecular Formula

C6H14S

Synonyms

1-Hexylthiol
1-Mercaptohexane
Hexanethiol
Hexyl mercaptan
Hexylthiol
n-Hexyl mercaptan
USAF EK-4628

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/mouse lethal concentration (50 percent kill): 528 ppm/4HEye: Lacrimation

Behavioral: Somnolence (general depressed activity)

Lung, Thorax, or Respiration: Respiratory stimulation		AIHAAP 19,171,1958
inhalation/rat lethal concentration (50 percent kill): 1080 ppm/4HLung, Thorax, or Respiration: Respiratory stimulation

Behavioral: Somnolence (general depressed activity)

Eye: Lacrimation		AIHAAP 19,171,1958
intraperitoneal/mouse lethal dose (50 percent kill): 200 mg/kgNTIS** AD277-689
intraperitoneal/rat lethal dose (50 percent kill): 396 mg/kgBehavioral: Muscle weakness

Behavioral: Ataxia

Lung, Thorax, or Respiration: Cyanosis		AIHAAP 19,171,1958
oral/rat lethal dose (50 percent kill): 1254 mg/kgBehavioral: Somnolence (general depressed activity)

Lung, Thorax, or Respiration: Respiratory depression

Behavioral: Coma		AIHAAP 19,171,1958

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO 1-HEXANETHIOL-airceiling concentration 0.5 ppm/15MNIOSH* DHHS #92-100,1992

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY

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