Vinyl halide

Vinyl Halide

Vinyl halide (pronunciation: /ˈvaɪnɪl ˈhælaɪd/) is a type of organic compound that contains a vinyl group (CH₂=CH-) bonded to a halogen atom.

Etymology

The term "vinyl" is derived from the alcohol vinyl alcohol, which was originally called "vinyl". "Halide" comes from the Greek word "hals", meaning "salt". In chemistry, a halide is a binary phase, of which one part is a halogen atom and the other part is an element or radical.

Types of Vinyl Halides

There are four types of vinyl halides, named for the halogen atom they contain:

• Vinyl fluoride (H₂C=CHF)
• Vinyl chloride (H₂C=CHCl)
• Vinyl bromide (H₂C=CHBr)
• Vinyl iodide (H₂C=CHI)

Synthesis

Vinyl halides can be synthesized through several methods, including the addition of hydrogen halides to acetylene, the reaction of alkenes with halogens, and the halogenation of alkanes.

Uses

Vinyl halides are commonly used in the production of polyvinyl chloride (PVC), a type of plastic that is widely used in construction, clothing, and furniture. They are also used in the synthesis of other organic compounds.

Health Effects

Exposure to vinyl halides can have serious health effects, including damage to the liver, lungs, and nervous system. Some vinyl halides, such as vinyl chloride, are classified as carcinogens.

See Also

• Halogenation
• Organic compound
• Polyvinyl chloride

External links

• Medical encyclopedia article on Vinyl halide
• Wikipedia's article - Vinyl halide

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