Azo dyes

Full Title

Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves > with the reactive group not directly attached to a heterocyclic ring > the reactive group being an esterified or non-esterified hydroxyalkyl sulfonyl or mercaptoalkyl sulfonyl group, a quaternised or non-quaternised aminoalkyl sulfonyl group, a heterylmercapto alkyl sulfonyl group, a vinyl sulfonyl or a substituted vinyl sulfonyl group, or a thiophene-dioxide group > Azo dyes

Child Classifications

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• C09B 62/51 Monoazo dyes
• C09B 62/513 Disazo or polyazo dyes
• C09B 62/515 Metal complex azo dyes