Vinylidene Chloride

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vinylidene chloride

[vī′nil·ə‚dēn ′klȯr‚īd]
(organic chemistry)
CH2:CCl2 A colorless, flammable, explosive liquid, insoluble in water; boils at 37°C; used to make polymers copolymerized with vinyl chloride or acrylonitrile (Saran).

Vinylidene Chloride


(1,1-dichloroethylene, CH2= CC12), a colorless liquid that has an odor resembling that of chloroform; Tb = 31.7° C. Density at 20° C, 1.212 g/cm3. The explosive limit of mixtures with air is 7-16 percent by volume. Vinylidene chloride polymerizes spontaneously in air; therefore it is stored in the presence of inhibitors such as hydroquinone.

Vinylidene chloride is made by dehydrochlorination of 1,1,2-trichloroethane (-100° C):


Vinylidene chloride is used to make polyvinylidene chloride and copolymers with vinyl chloride, acrylonitrile, and other technologically important copolymers.

References in periodicals archive ?
Historical industrial activity has contaminated the soil and groundwater with chemicals, including tetrachloroethene (PCE), trichloroethene (TCE), 1,1-dichloroethene (1,1-DCE), and 1,4-dioxane.
They reported that 7 different VOCs, 1,1-Dichloroethene, methylene chloride, chloroform, benzene, trichloroethene, tetrachloroethene and styrene could be found in printing facilities.
A variety of hazardous wastes or hazardous constituents have been detected at the facility, including acetone, benzene, methyl ethyl ketone, 1,1-dichloroethane, 1,1-dichloroethene, 1,2-dichloroethene (cis), 1,4-dioxane, ethylbenzene, methylene chloride, tetrachloroethylene (PERC), toluene, 1,1,1-trichloroethane, trichloroethene or trichloroethylene (TCE), vinyl chloride and xylenes.
VOCs not meeting inclusion criterion: 1,1,2,2- tetrachloroethane, 1,1,2-TCE, 1,1-dichloroethane, 1,1-dichloroethene, 1,2-DCB, 1,2-dichloroethane, 1,2-dichloropropane, 1,3-DCB, bromodichloromethane, bromoform, carbon tetrachloride, chlorobenzene, chloroform, cis-1,2-dichloroethene, dibromochloromethane, dibromomethane, methylene chloride, trans-1,2-dichloroethene, and trichloroethene.

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