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Benzenethiol |
CAS 108-98-5 | ||
C6H5SH |
RTECS DC0525000 | ||
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Synonyms & Trade Names Mercaptobenzene, Phenyl mercaptan, Thiophenol |
DOT ID & Guide 2337 131 |
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Exposure
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NIOSH REL: C 0.1 ppm (0.5 mg/m3) [15-minute] | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 4.51 mg/m3 | ||
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Physical Description Water-white liquid with an offensive, garlic-like odor. [Note: A solid below 5°F.] |
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MW: 110.2 |
BP: 336°F |
FRZ: 5°F |
Sol(77°F): 0.08% |
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VP(65°F): 1 mmHg |
IP: 8.33 eV |
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Sp.Gr: 1.08 |
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Fl.P: 132°F |
UEL: ? |
LEL: ? |
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| Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F. | |||
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Incompatibilities & Reactivities Strong acids & bases, calcium hypochlorite, alkali metals [Note: Oxidizes on exposure to air.] |
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Measurement Methods OSHA PV2075 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH Up to 1 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s) (APF = 10) Any supplied-air respirator Up to 2.5 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s) Up to 5 ppm: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s) (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister (APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s) (APF = 50) Any self-contained breathing apparatus with a full facepiece (APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode (APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, respiratory system; dermatitis; cyanosis; cough, wheezing, dyspnea (breathing difficulty), pulmonary edema, pneumonitis; headache, dizziness, central nervous system depression; nausea, vomiting; kidney, liver, spleen damage | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, kidneys, liver, spleen |
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| See also: INTRODUCTION See ICSC CARD: 0463 |