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1,2-Dichloroethylene

Synonyms & Trade Names
Acetylene dichloride, cis-Acetylene dichloride, trans-Acetylene dichloride, sym-Dichloroethylene
CAS No.
540-59-0
RTECS No.
KV9360000
DOT ID & Guide
1150 130P
Formula
ClCH=CHCl
Conversion
1 ppm = 3.97 mg/m3
IDLH
1000 ppm
See: 540590
Exposure Limits
NIOSH REL
: TWA 200 ppm (790 mg/m3)
OSHA PEL
: TWA 200 ppm (790 mg/m3)
Measurement Methods

NIOSH 1003;
OSHA 7
See: NMAM or OSHA Methods
Physical Description
Colorless liquid (usually a mixture of the cis & trans isomers) with a slightly acrid, chloroform-like odor.
MW:
97.0
BP:
118-140°F
FRZ:
-57 to -115°F
Sol:
0.4%
VP:
180-265 mmHg
IP:
9.65 eV
Sp.Gr(77°F): 1.27
Fl.P:
36-39°F
UEL:
12.8%
LEL:
5.6%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
Strong oxidizers, strong alkalis, potassium hydroxide, copper [Note: Usually contains inhibitors to prevent polymerization.]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, respiratory system; central nervous system depression
Target Organs
Eyes, respiratory system, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
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 1000 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)£
(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 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

See also: INTRODUCTION   See ICSC CARD: 0436
 

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