Benzyl mercaptan
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Benzyl mercaptan is an organosulfur compound with the formula C6H5CH2SH. It is a common laboratory alkylthiol that occurs in trace amounts naturally. It is a colorless, malodorous liquid.
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
Phenylmethanethiol | |
Other names
alpha-Toluenethiol Benzylthiol Thiobenzyl alcohol Benzyl mercaptan alpha-Toluolthiol Benzylhydrosulfide Benzyl hydrosulfide | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.002.602 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C7H8S | |
Molar mass | 124.20 g/mol |
Appearance | colourless liquid |
Odor | Unpleasant leek or garlic-like |
Density | 1.058 g/mL |
Melting point | −30 °C (−22 °F; 243 K) |
Boiling point | 195 °C (383 °F; 468 K) |
low | |
Solubility | very soluble in ethanol, ether soluble in CS2 slightly soluble in CCl4 |
Acidity (pKa) | 9.43 (H2O)[1] |
Refractive index (nD) |
1.5751 (20 °C) |
Hazards | |
NFPA 704 (fire diamond) | |
Flash point | 70 °C (158 °F; 343 K) |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
493 mg/kg (rat, oral) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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