The Aniline reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Aniline

Aniline or aminobenzene (C₆H₅NH₂) is an aromatic petrochemical consisting of a benzene ring and an amino group.

Table of contents

1 Properties 2 Uses 3 History

Properties

Aniline is a carcinogen. It is oily and colourless. Its boiling point is 184 °C, its melting point -6 °C.

Uses

Aniline is used to make a wide range of synthetic products, most notably dyes.

History

Aniline was first isolated from indigo in 1826 by Otto Unverdorben. In 1855, an inexpensive means of producing aniline from coal tar was discovered by August Wilhelm von Hofmann. Its first industrial-scale use was in the manufacture of mauveine, a purple dye discovered in 1856 by William Henry Perkin.

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