Dichloroacetylene |
Synonyms & Trade Names DCA, Dichloroethyne [Note: DCA is a possible decomposition product of trichloroethylene or trichloroethane.] |
CAS No. 7572-29-4 |
RTECS No. AP1080000 |
DOT ID & Guide |
FormulaC2Cl2 |
Conversion 1 ppm = 3.88 mg/m3 |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca C 0.1 ppm (0.4 mg/m3) See Appendix A
OSHA PEL†: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Volatile oil with a disagreeable, sweetish odor. [Note: A gas above 90°F. DCA is not produced commercially.] |
MW: 94.9 |
BP: 90°F (Explodes) |
FRZ: -58 to -87°F |
Sol: ? |
VP: ? |
IP: ? |
Sp.Gr: 1.26 |
Fl.P: ? |
UEL: ? |
LEL: ? |
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| Combustible Liquid |
Incompatibilities & Reactivities Oxidizers, heat, shock |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms headache, loss of appetite, nausea, vomiting, intense jaw pain, cranial nerve palsy; in animals: kidney, liver, brain injury; weight loss; [potential occupational carcinogen] |
Target Organs central nervous system |
Cancer Site[in animals: kidney tumors] |
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
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
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 |
| See also: INTRODUCTION See ICSC CARD: 1426
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