| Agent Name |
1-Pentanethiol |
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| Alternative Name |
Amyl mercaptan |
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| CAS Number |
110-66-7 |
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| Formula |
C5-H12-S |
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| Major Category |
Other Chemicals |
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| Synonyms |
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 |
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| Category |
Thiols |
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| Description |
Water-white to yellowish liquid with a strong, garlic-like odor; [NIOSH] Odor is strong and offensive; [HSDB] |
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| 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] |
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| Comments |
A skin, eye, and respiratory irritant that may cause weakness and CNS depression after inhalation of high concentrations; [HSDB] See "THIOLS"; |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Not evaluated |
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| Vapor Pressure |
14 mm Hg |
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| Odor Threshold Low |
0.0008 ppm |
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| Lethal Concentration |
LCLo (rats) = 2000 ppm/4h |
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| Explanatory Notes |
NIOSH REL = 15 min. ceiling of 0.5 ppm; Flash point = 18 deg C; Odor threshold from HSDB; |
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| Flammability (NFPA) |
3: may ignite at ambient temperature |
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| Adverse Effects |
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| Other Poison |
Chemical Asphyxiant |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: AMYL MERCAPTAN
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