| Agent Name |
Dichloroacetylene |
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| CAS Number |
7572-29-4 |
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| Formula |
C2-Cl2 |
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| Major Category |
Other Classes |
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| Synonyms |
DCA, Dichloroethyne [Note: DCA is a possible decomposition product of trichloroethylene or trichloroethane.] [NIOSH] |
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| Category |
Halogenated Aliphatics |
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| Description |
Volatile oil with a disagreeable, sweetish odor. [Note: A gas above 90 degrees F. DCA is not produced commercially.] [NIOSH] |
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| Sources/Uses |
A by-product of vinylidene chloride production and trichloroethylene thermal decomposition; Not produced commercially; [ACGIH] |
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| Comments |
Dichloroacetylene is formed from the thermal decomposition of trichloroethylene or tetrachloroethane. Dichloroacetylene poisoning causes injury to the kidneys and nervous system. Affected patients may have trigeminal nerve paralysis and reactivation of facial herpes. Most cases were reported when trichloroethylene was used as an anesthetic. [ACGIH] |
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| Restricted |
Transport forbidden; [HMT] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| Ceiling (ACGIH) |
0.1 ppm |
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| Vapor Pressure |
570 mm Hg |
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| Lethal Concentration |
LC50 (mouse) = 23 ppm/4h |
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| Adverse Effects |
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| Neurotoxin |
Sensorimotor Neuropathy |
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| Nephrotoxin |
Yes |
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| IARC Carcinogen |
Not Classifiable |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: DICHLOROACETYLENE
|
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