1-Pentanethiol

RTECS #

SA3150000

CAS #

110-66-7
See: NMAM or OSHA Methods

Updated

January 1997

Molecular Weight

104.23

Molecular Formula

C₅H₁₂S

Synonyms

Amyl hydrosulfide
Amyl mercaptan
Amyl sulfhydrate
Amyl thioalcohol
Mercaptan amylique (French)
n-Amyl mercaptan
Pentalarm
Pentyl mercaptan

Acute Toxicity Data and References

Route/Organism	Dose	Effect	Reference
inhalation/rat	Lowest published lethal concentration: 2000 ppm/4H		JIHTAB 31,343,1949
subcutaneous/mouse	lethal dose (50 percent kill): >100 mg/kg		NATUAS 174,737,1954

Organization	Standard	Reference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO 1-PENTANETHIOL-air	ceiling concentration 0.5 ppm/15M	NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983	Hazard Code X4383; Number of Industries 1; Total Number of Facilities 7; Number of Occupations 1; Total Number of Employees Exposed 28

Organization	Reference
EPA TSCA Section 8(b) CHEMICAL INVENTORY

Page last reviewed: November 16, 2018