EntityQ114391· pop 31· linked from 104 articlesCongo redSign in to savechemical compoundConnectionsstainingEntityironEntitybacteriaEntitycarbohydrateEntitylipidEntitypHEntitydigital object identifierEntitychemical formulaEntityorganic compoundEntityhistologyEntityconnective tissueEntitycell wallEntitymolar massEntityQ180686EntitycolloidEntityBerlin ConferenceEntityBayerEntitypolarizationEntityCAS Registry NumberEntitylitmusEntityCategoriesAzo dyesBiphenylsChembox image size setECHA InfoCard ID from WikidataNaphthalenesulfonatesNaphthylaminesOrganic sodium saltsPH indicatorsStaining dyesSubstances discovered in the 19th centurySymmetrical biaryls