Acid_orange_7

Acid Orange 7

Acid Orange 7

Chemical compound


Acid Orange 7, also known as 2-naphthol orange is an azo dye. It is used for dyeing wool.

Quick Facts Names, Identifiers ...

Preparation

It is produced by azo coupling of β-naphthol and diazonium derivative of sulfanilic acid.[1][2]

HO3SC6H4N+2 + C10H7OH → HO3SC6H4N=NC10H6OH + H+

References

  1. Klaus Hunger; Peter Mischke; Wolfgang Rieper; Roderich Raue; Klaus Kunde; Aloys Engel (2005). "Azo Dyes". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a03_245. ISBN 978-3527306732..



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