Dichloroacetylene
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CAS
7572-29-4
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C2Cl2
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RTECS
AP1080000
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Synonyms & Trade Names
DCA, Dichloroethyne [Note: DCA is a possible decomposition product of trichloroethylene or trichloroethane.]
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: Ca C 0.1 ppm (0.4 mg/m3) See Appendix A
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OSHA PEL†: none
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IDLH
Ca [N.D.]
See: IDLH INDEX
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Conversion
1 ppm = 3.88 mg/m3
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Physical Description
Volatile oil with a disagreeable, sweetish odor. [Note: A gas above 90°F. DCA is not produced commercially.]
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MW: 94.9
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BP: 90°F (Explodes)
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FRZ: -58 to -87°F
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Sol: ?
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VP: ?
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IP: ?
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Sp.Gr: 1.26
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Fl.P: ?
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UEL: ?
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LEL: ?
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Combustible Liquid
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Incompatibilities & Reactivities
Oxidizers, heat, shock
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Measurement Methods
None available
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
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH
At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(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, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Headache, loss of appetite, nausea, vomiting, intense jaw pain, cranial nerve palsy; in animals: kidney, liver, brain injury; weight loss; [potential occupational carcinogen]
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Target Organs
central nervous system
Cancer Site
[in animals: kidney tumors]
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See also: INTRODUCTION See ICSC CARD: 1426
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