1,1-Dichloroethane
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CAS
75-34-3
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CHCl2CH3
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RTECS
KI0175000
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Synonyms & Trade Names
Asymmetrical dichloroethane; Ethylidene chloride; 1,1-Ethylidene dichloride
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DOT ID & Guide
2362 / 130
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Exposure
Limits
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NIOSH REL: TWA 100 ppm (400 mg/m3) See Appendix C (Chloroethanes)
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OSHA PEL: TWA 100 ppm (400 mg/m3)
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IDLH
3000 ppm
See: 75343
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Conversion
1 ppm = 4.05 mg/m3
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Physical Description
Colorless, oily liquid with a chloroform-like odor.
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MW: 99.0
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BP: 135°F
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FRZ: -143°F
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Sol: 0.6%
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VP: 182 mmHg
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IP: 11.06 eV
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Sp.Gr: 1.18
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Fl.P: 2°F
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UEL: 11.4%
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LEL: 5.4%
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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
Strong oxidizers, strong caustics
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Measurement Methods
NIOSH 1003; OSHA 7
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 1000 ppm:
(APF = 10) Any supplied-air respirator
Up to 2500 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
Up to 3000 ppm:
(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
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation skin; central nervous system depression; liver, kidney, lung damage
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Target Organs
Skin, liver, kidneys, lungs, central nervous system
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See also: INTRODUCTION
See ICSC CARD: 0249 |
