Synthetic colorant, c 1900.
4 0 c m
actual image size: 21cm x 32cm

Synthetic colorant, c 1900.

© Science Museum / Science & Society Picture Library


A jar of Aurantia synthetic dye manufactured by Actien Gesellschaft fUr Anilin Fabrikation, Berlin, Germany (Agfa). Aurantia (also called Imperial Yellow) is the ammonium salt of hexanitrodiphenylamine and was discovered in 1873 by Emil Kopp of Zurich. The Aktien Gesellschaft fUr Anilin Fabrikation was founded in 1873 by Carl Martius and Paul Mendelssohn-Bartholdy (the nephew of the composer), became part of I.G. Farbenindustrie AG in 1925 and a subsidiary of Farbenfabriken Bayer AG in 1952. Part of a collection of late nineteenth and early twentieth century colorants transferred from the Colour Museum, Bradford, in 1985.

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