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Benzoyl chloride, also known as benzenecarbonyl chloride, is a colourless, fuming liquid, C6H5COCl, with an irritating odour. In the laboratory it may be prepared by distilling benzoic acid (C6H5COOH) with phosphorus pentachloride in anhydrous conditions. This replaces the hydroxyl group of benzoic acid with a chlorine atom. This chlorination can also be accomplished using thionyl chloride. On a larger scale it is prepared by chlorinating benzaldehyde.
Additional recommended knowledge
This substance is used as an intermediate chemical in the preparation of dyes, perfumes, peroxides, pharmaceuticals, and resins. It is also used in photography; as gasoline gum inhibitors, and in the manufacture of synthetic tannins. It was formerly employed as an irritant gas in chemical warfare.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Benzoyl_chloride". A list of authors is available in Wikipedia.|