Naphtol AS

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Naphtol AS

chemical compound

Also known as: 2-hydroxy-3-naphthanilide

Learn about this topic in these articles:

ingrain dyeing

In dye: Azo dyes
…was found that 2-hydroxy-3-naphthanilide (Naphtol AS, from the German Naphtol Anilid Säure) forms a water-soluble anion with affinity for cotton, a major step in the development of the ingrain dyes. Its reaction with unsulfonated azoic diazo components on the fabric gives insoluble dyes with good wetfastness; with Diazo Component…
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