1-Octadecanethiol
|
CAS
2885-00-9
|
CH3(CH2)17SH
|
RTECS
|
Synonyms & Trade Names
1-Mercaptooctadecane, Octadecyl mercaptan, Stearyl mercaptan
|
DOT ID & Guide
1228 131 (liquid)
|
Exposure
Limits
|
NIOSH REL: C 0.5 ppm (5.9 mg/m3) [15-minute]
|
|
OSHA PEL: none
|
IDLH
N.D.
See: IDLH INDEX
|
Conversion
1 ppm = 11.72 mg/m3
|
Physical Description
Solid or liquid (above 77°F).
|
MW: 286.6
|
BP: ?
|
MLT: 77°F
|
Sol: Insoluble
|
VP: ?
|
IP: ?
|
|
Sp.Gr: 0.85
|
Fl.P: ?
|
UEL: ?
|
LEL: ?
|
|
Combustible Solid
Combustible Liquid
|
Incompatibilities & Reactivities
Oxidizers, reducing agents, strong acids & bases, alkali metals
|
Measurement Methods
None available
See: NMAM or OSHA Methods
|
Personal Protection & Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
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, skin absorption, ingestion, skin and/or eye contact
|
Symptoms
Irritation eyes, skin, respiratory system; headache, dizziness, lassitude (weakness, exhaustion), cyanosis, nausea, convulsions
|
Target Organs
Eyes, skin, respiratory system, central nervous system, blood
|
