Naphthalenesulfonates

chemical compound

Azorubine, also known as carmoisine, is an azo dye consisting of two naphthalene subunits. It is a red solid. It is mainly used in foods that are heat-treated after fermentation. It has E number E122.

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chemical compound, food colourant

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group of stereoisomers

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azo dye

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Naphthalenesulfonates are derivatives of sulfonic acid that contain a naphthalene functional unit. A subfamily of compounds are the aminonaphthalenesulfonic acids, which describes precursors to several azo dyes. Amaranth Na-Salz.svg| amaranth dye, an azo dye Amido black new.svg|amido black, a azo dye Kongorot.svg|congo red, a popular azo dye trypan blue.svg|trypan blue, an azo dye suramin.svg|suramin, a medication used to treat African sleeping sickness and river blindness Naphthsulfonate+CH2O.png|Naphthalenesulfonate/formaldehyde superplasticizer

chemical compound