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Is 2,5-Dichlorobenzenediazonium vegan?

2,5-Dichlorobenzenediazonium is a synthetic diazonium compound used as an azoic diazo component in the production of azo dyes on textile fibres. It is a reactive intermediate rather than a finished dye. It is listed in the Colour Index as Azoic Diazo Component 3.

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