1-Pentanethiol
Agent Name
1-Pentanethiol
Alternative Name
Amyl mercaptan
CAS Number
110-66-7
Formula
C5-H12-S
Major Category
Other Classes
Synonyms
Amyl mercaptan; 1-Pentanethiol; 2-Methyl-1-butanethiol; 2-Methylbutyl mercaptan; Amyl hydrosulfide; Amyl mercaptan; Amyl sulfhydrate; Amyl thioalcohol; Mercaptan amilique [French]; Mercaptan amylique [French]; Pentalarm; Pentanethiol; Pentyl mercaptan; Thioamyl alcohol; n-Amyl mercaptan; n-Pentylmercaptan; n-Thioamyl alcohol; [ChemIDplus] UN1111
Category
Thiols
Description
Water-white to yellowish liquid with a strong, garlic-like odor; [NIOSH] Odor is strong and offensive; [HSDB]
Sources/Uses
"Synthesis of organic sulfur compounds; chief constituent of odorant used in gas lines to locate leaks. Also used as a synthetic flavoring ingredient." [HSDB]
Comments
A skin, eye, and respiratory irritant that may cause weakness and CNS depression after inhalation of high concentrations; [HSDB] See "THIOLS";
Biomedical References
Exposure Assessment
Vapor Pressure
13.8 mm Hg
Odor Threshold Low
0.0008 ppm
Lethal Concentration
LCLo (rat) = 2000 ppm/4h
Explanatory Notes
NIOSH REL = 15 min. ceiling of 0.5 ppm; Flash point = 18 deg C; Odor threshold from HSDB; VP from HSDB;
NFPA
may ignite at ambient temp
Adverse Effects
Other Poison
Chemical Asphyxiant
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.