1-Hexanethiol

RTECS #

MO4550000

CAS #

111-31-9
See: NMAM or OSHA Methods

Updated

September 1997

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/Organism	Dose	Effect	Reference
inhalation/mouse	lethal concentration (50 percent kill): 528 ppm/4H	Eye: 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/4H	Lung, 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/kg		NTIS** AD277-689
intraperitoneal/rat	lethal dose (50 percent kill): 396 mg/kg	Behavioral: Muscle weakness Behavioral: Ataxia Lung, Thorax, or Respiration: Cyanosis	AIHAAP 19,171,1958
oral/rat	lethal dose (50 percent kill): 1254 mg/kg	Behavioral: Somnolence (general depressed activity) Lung, Thorax, or Respiration: Respiratory depression Behavioral: Coma	AIHAAP 19,171,1958

Organization	Standard	Reference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO 1-HEXANETHIOL-air	ceiling concentration 0.5 ppm/15M	NIOSH* DHHS #92-100,1992

Organization	Reference
EPA TSCA Section 8(b) CHEMICAL INVENTORY

Page last reviewed: November 16, 2018