Vinyl chloride (chloroethylene) (C₂H₃Cl)

Vinyl chloride (chloroethylene) (C₂H₃Cl)

The monomer of PVC.



vinyl chloride, chloroethylene, alkyl halide, halogen containing organic compound, unsaturated, vinyl group, monomer, polymer, polymerisation, PVC, polyvinyl chloride, addition, toxic, organic chemistry, chemistry

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Vinyl chloride C₂H₃Cl


Molar mass: 62.5 g/mol

Melting point: -153.7 °C

Boiling point: -13.4 °C

Density: 0.0029 g/cm³

Relative steam density (air=1): 2.2


Vinyl chloride is a monomer of PVC, a colourless, odourless, heavier-than-air, toxic gas. It is highly flammable and explosive. It dissolves well in alcohol and ether but less well in water. Its typical reactions are addition and polymerisation. It breaks down when burnt, forming toxic, corrosive substances.

Occurrence, production

Vinyl chloride is produced through the pyrolysis of 1,2 dichloroethane, which in turn is prepared by a reaction of ethylene and chlorine or in a reaction of acetylene and hydrogen chloride.


Polyvinyl chloride (or PVC) is produced by polymerising vinyl chloride.



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Carbon tetrachloride (CCl₄)

Colourless, toxic liquid with a sweet odour.

Chloromethane (methyl-chloride) (CH₃Cl)

Chloromethane can be prepared by heating a mixture of methane and chlorine.

Dichloromethane (CH₂Cl₂)

It is produced by treating methane with chlorine gas and used as a solvent.

Ethene (ethylene) (C₂H₄)

The first member in the homologous series of 1-alkenes.

Trichloromethane, chloroform (CHCl₃)

Also known as chloroform, used as a solvent in laboratories, earlier as an anaesthetic.

Ethane (C₂H₆)

The second member in the homologous series of straight-chain alkanes.

Polymerisation of ethene

Polymerised ethylene is known as polyethylene, a type of plastic.

1,1,2,2-tetrafluorethylene (C₂F₄)

Colourless, odourless gas, the monomer of teflon.

Chlorine (Cl₂)

A yellow-green toxic gas with a strong odour, one of the halogens.

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