Vinyl Chloride Who

It does not occur naturally and must be produced industrially for its commercial uses.
Vinyl chloride who. Pvc was synthesized in 1872 by german chemist eugen baumannafter extended investigation and experimentation. The major industrial preparation of vinyl chloride begins with ethylene and has two variants. In other words this substance has been directly linked to the development of cancer. The layout and pagination of the printed document and the web versions are not identical.
The polymer appeared as a white solid inside a flask of vinyl chloridethat had been left on a shelf sheltered from sunlight for four weeks. Kielhorn fraunhofer institute of toxicology and experimental medicine germany. The web versions have been updated to incorporate the corrigenda published by 30 november 2004. The united states currently remains the largest vcm manufacturing region because of its low production cost position in chlorine and ethylen.
Vinyl chloride exists in liquid form if kept under high pressure or at low temperatures. Vinyl chloride in drinking water background document for development of who guidelines for drinking water quality is an update of the background document published in the second edition of the guidelines. In contrast to rats some strains of mice are highly susceptible to an increase in lung malignancies caused by vc exposure. About 13 billion kilograms are produced annually.
Vinyl chloride is a colorless gas that burns easily. Vinyl chloride is a highly dangerous chemical used to make numerous plastic materials. In some strains the haemangiosarcoma incidence in mice is similar to that in rats but hamsters are much less sensitive. This pdf version divided in five files is suited for fast and slow web connections.
This colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride. Vinyl chloride also called chloroethylene a colourless flammable toxic gas belonging to the family of organohalogen compounds and used principally in making polyvinyl chloride or pvc a widely used plastic with numerous applications. Pvc is used to make a variety of plastic products including pipes wire and cable coatings and packaging materials. Vinyl chloride is used to make polyvinyl chloride pvc.
Although the industries that use this chemical have known about the harmful effects of vinyl chloride for decades it has only recently been identified as a known carcinogen. Vcm is among the top twenty largest petrochemicals in world production. Environmental health criteria 215. Vinyl chloride is also known as chloroethene chloroethylene and ethylene monochloride.
At room temperature it is a colorless gas it burns easily and it is not stable at high temperatures. Pvc is used to make a variety of plastic products including pipes wire and cable coatings and packaging materials. Vinyl chloride is used primarily to make polyvinyl chloride pvc. The update was prepared by dr j.