EntityQ4676694· pop 13· linked from 3 articlesazo violetSign in to savechemical compoundConnectionsberylliumEntitymagnesiumEntityInternational Standard Book NumberEntityacidEntitymass densityEntitysaltEntitychemical formulaEntitysodium hydroxideEntityelectromagnetic spectrumEntityindigoEntitymolar massEntityCAS Registry NumberEntityammonium cationEntityPubChemEntitynitriteEntitynitrous acidEntityflash pointEntityammonia solutionEntitytautomerEntityacid dissociation constantEntityCategories4-Nitrophenyl compoundsAzo dyesChemical articles with multiple compound IDsECHA InfoCard ID from WikidataMultiple chemicals in an infobox that need indexingPH indicatorsResorcinols