1-Propanethiol
|
CAS
107-03-9
|
CH3CH2CH2SH
|
RTECS
TZ7300000
|
Synonyms & Trade Names
3-Mercaptopropane, Propane-1-thiol, Propyl mercaptan, n-Propyl mercaptan
|
DOT ID & Guide
2402 / 130
|
Exposure Limits
|
NIOSH REL: C 0.5 ppm (1.6 mg/m3) [15-minute]
|
OSHA PEL: none
|
IDLH
N.D.
See: IDLH INDEX
|
Conversion
1 ppm = 3.12 mg/m3
|
Physical Description
Colorless liquid with an offensive, cabbage-like odor.
|
MW: 76.2
|
BP: 153°F
|
FRZ: -172°F
|
Sol: Slight
|
VP(77°F): 155 mmHg
|
IP: 9.195 eV
|
|
Sp.Gr: 0.84
|
Fl.P: -5°F
|
UEL: ?
|
LEL: ?
|
|
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
|
Incompatibilities & Reactivities
Oxidizers, reducing agents, strong acids & bases, alkali metals, calcium hypochlorite
|
Measurement Methods
None available
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
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
|
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
Important additional information about respirator selection
|
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
|
Target Organs
Eyes, skin, respiratory system, central nervous system, blood, liver, kidneys
|