| Agent Name |
Benzenethiol |
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| Alternative Name |
Phenyl mercaptan |
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| CAS Number |
108-98-5 |
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| Formula |
C6-H6-S |
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| Major Category |
Toxic Gases & Vapors |
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| Synonyms |
Mercaptobenzene; Thiophenol; Phenyl mercaptan; [NIOSH] UN2337 |
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| Category |
Other Toxic Gases & Vapors |
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| Description |
Water-white liquid with an offensive, garlic-like odor; Note: A solid below 5 degrees F; [NIOSH] |
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| Sources/Uses |
Used as a solvent and mosquito larvicide; used in chemical synthesis; [ACGIH] |
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| Comments |
Phenyl mercaptan causes tearing of the eyes; it is a skin and respiratory irritant. Volunteers tolerate 1.5 ppm for 5 minutes (eye irritation), 8 ppm for 10 seconds (eye irritation), and a single breath of 35 ppm (nasal irritation). [ACGIH] Inhalation may cause pulmonary edema. [ICSC] Liquid is corrosive to skin. [CHRIS] Corrosive to skin; [Quick CPC] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Yes |
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| TIH |
Yes |
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| TLV (ACGIH) |
0.1 ppm |
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| Vapor Pressure |
1.93 mm Hg |
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| Odor Threshold Low |
3 x 10 -05 ppm |
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| Odor Threshold High |
0.0003 ppm |
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| Lethal Concentration |
LC50 (rats) = 33 ppm/4h |
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| Explanatory Notes |
Detection odor threshold from AIHA (mean = 0.00030 ppm); Flash point = 127 deg F; |
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| Adverse Effects |
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| Toxic Pneumonitis |
Yes |
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| Dermatotoxin |
Skin Burns |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: THIOPHENOL
|
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