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";

Exposure Assessment
Vapor Pressure

14 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;

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
Other Poison

Chemical Asphyxiant

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.