Used as a pH indicator in acidbase titrations. Applied in analytical and educational laboratories. Used in chemical testing and research work. Sometimes used in dye and staining applications.

Its primary purpose is to signal titration endpoints through protonation of the azo and dimethylamino groups causing a sharp red-to-yellow color shift due to altered conjugation.

Methyl Orange is an orange-colored azo dye commonly used as an acidbase indicator in chemical laboratories. It changes color according to the acidity or alkalinity of a solution.