| Agent Name |
Vinylidene chloride |
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| Alternative Name |
1,1-Dichloroethylene |
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| CAS Number |
75-35-4 |
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| Formula |
C2-H2-Cl2 |
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| Major Category |
Plastics & Rubber |
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| Synonyms |
1,1-Dce; 1,1-Dichloroethene; 1,1-Dichloroethylene; Chlorure de vinylidene [French]; Ethene, 1,1-dichloro-; Ethylene, 1,1-dichloro-; VDC; Vinylidene chloride; Vinylidene chloride (II); Vinylidene chloride (inhibited); Vinylidene chloride, monomer; Vinylidene dichloride; Vinylidine chloride; as-Dichloroethylene; asym-Dichloroethylene; [ChemIDplus] UN1303 |
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| Category |
Vinyl Halides |
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| Description |
Colorless liquid or gas (above 89 degrees F) with a mild, sweet, chloroform-like odor; [NIOSH] |
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| Sources/Uses |
Used as co-monomer in production of polymers for coatings, films, lacquer resins, and flame resistant binders in carpet backing; [ACGIH] |
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| Comments |
Liquid causes first degree burns on short exposure. [CHRIS] Similar to carbon tetrachloride, it is toxic to the liver and kidneys in animals exposed to high concentrations. [ACGIH] Possible frostbite from contact with liquid; [NIOSH] A skin, eye, and respiratory tract irritant; Inhalation of high concentrations can cause CNS depression; [ICSC] |
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| Reference Link |
ATSDR - ToxFAQs - 1,1-Dichloroethene |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
5 ppm |
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| MAK |
2 ppm |
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| Vapor Pressure |
600 mm Hg |
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| Lethal Concentration |
LC50 (rats) = 6,350 ppm/4h |
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| Explanatory Notes |
Flash point = 14 deg F; |
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| Half Life |
Estimated from animal studies: 20 hours; [TDR, p.495] |
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| Reference Link |
International Chemical Safety Cards (WHO/IPCS/ILO) |
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| Flammability (NFPA) |
4: burns readily |
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| Adverse Effects |
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| Dermatotoxin |
Skin Burns |
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| Neurotoxin |
CNS Solvent Syndrome |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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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: 1,1-DICHLOROETHYLENE
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