Methyl chloroform
|
CAS
71-55-6
|
CH3CCl3
|
RTECS
KJ2975000
|
Synonyms & Trade Names
Chlorothene; 1,1,1-Trichloroethane; 1,1,1-Trichloroethane (stabilized)
|
DOT ID & Guide
2831 160
|
Exposure
Limits
|
NIOSH REL: C 350 ppm (1900 mg/m3) [15-minute] See Appendix C (Chloroethanes)
|
|
OSHA PEL†: TWA 350 ppm (1900 mg/m3)
|
IDLH
700 ppm
See: 71556
|
Conversion
1 ppm = 5.46 mg/m3
|
Physical Description
Colorless liquid with a mild, chloroform-like odor.
|
MW: 133.4
|
BP: 165°F
|
FRZ: -23°F
|
Sol: 0.4%
|
VP: 100 mmHg
|
IP: 11.00 eV
|
|
Sp.Gr: 1.34
|
Fl.P: ?
|
UEL: 12.5%
|
LEL: 7.5%
|
|
|
Combustible Liquid, but burns with difficulty.
|
Incompatibilities & Reactivities
Strong caustics; strong oxidizers; chemically-active metals such as zinc, aluminum, magnesium powders, sodium & potassium; water [Note: Reacts slowly with water to form hydrochloric acid.]
|
Measurement Methods
NIOSH 1003
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: No recommendation
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
|
Respirator Recommendations
NIOSH/OSHA
Up to 700 ppm:
(APF = 10) Any supplied-air respirator*
(APF = 50) Any self-contained breathing apparatus 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; headache, lassitude (weakness, exhaustion), central nervous system depression, poor equilibrium; dermatitis; cardiac arrhythmias; liver damage
|
Target Organs
Eyes, skin, central nervous system, cardiovascular system, liver
|
|
See also: INTRODUCTION
See ICSC CARD: 0079 See MEDICAL TESTS: 0141
|
