Acid Orange 7

Acid Orange 7, also known as 2-naphthol orange is an azo dye.

It is used for dyeing wool.

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

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Skeletal formula of acid orange 7
Ball-and-stick model of the component ions of acid orange 7
Synthesis of Acid Orange 7