2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone serves as a colorimetric dye primarily targeting phenolic compounds. At an approximate pH of 9.4, it reacts with phenolics to yield an indigo product, enabling sensitive detection. This reagent is notably employed as a Gibbs reagent for the colorimetric analysis of phenolic substances and has demonstrated utility in quantifying aflatoxins, transforming their colorless form to a green hue with an absorption peak at 673 nm.
2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone serves as a colorimetric dye primarily targeting phenolic compounds. At an approximate pH of 9.4, it reacts with phenolics to yield an indigo product, enabling sensitive detection. This reagent is notably employed as a Gibbs reagent for the colorimetric analysis of phenolic substances and has demonstrated utility in quantifying aflatoxins, transforming their colorless form to a green hue with an absorption peak at 673 nm.
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