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| 1-Propanethiol | CAS 107-03-9 | ||
| CH3CH2CH2SH | RTECS TZ7300000 | ||
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Synonyms & Trade Names 3-Mercaptopropane, Propane-1-thiol, Propyl mercaptan, n-Propyl mercaptan |
DOT ID & Guide 2402 130 |
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Exposure Limits |
NIOSH REL: C 0.5 ppm (1.6 mg/m3) [15-minute] | ||
| OSHA PEL: none | |||
| IDLH N.D. | Conversion 1 ppm = 3.12 mg/m3 | ||
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Physical Description Colorless liquid with an offensive, cabbage-like odor. |
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MW: 76.2 |
BP: 153°F |
FRZ: -172°F |
Sol: Slight |
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VP(77°F): 155 mmHg |
IP: 9.195 eV |
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Sp.Gr: 0.84 |
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Fl.P: -5°F |
UEL: ? |
LEL: ? |
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| Class IB Flammable Liquid: Fl.P. below 73�F and BP at or above 100�F. | |||
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Incompatibilities & Reactivities Oxidizers, reducing agents, strong acids & bases, alkali metals, calcium hypochlorite |
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Measurement Methods None available |
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Personal Protection & Sanitation Skin: No recommendation Eyes: Prevent eye contact Wash skin: No recommendation Remove: When wet (flammable) Change: No recommendation Provide: Eyewash |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 5 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)/(APF = 10) Any supplied-air respirator Up to 12.5 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 25 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, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat, respiratory system; headache, nausea, dizziness, cyanosis; in animals: liver, kidney damage | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, blood, liver, kidneys |
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| See also: INTRODUCTION |