KnowraPhenolphthaleinLinked fromLinked fromThe 6 pages that link to Phenolphthalein, each with the reason it gives.All 6Broader topic 2Related 1Compared with 3Acid–base indicatorBroader topic: Its sharp color change suits many titrations involving weak acids and strong bases.pH indicatorBroader topic: Its transition near alkaline pH makes it useful for selected titration endpoints.