PHENOLPHTHALEIN


Meaning of PHENOLPHTHALEIN in English

An organic compound used as an acid-base indicator. The compound is colorless in acidic solution and pink in basic solution (with the transition occuring around pH 8.3). Phenolpthalein was used for many years as a laxative in very low concentrations- high concentrations are toxic!

General chemistry English glossary.      Английский глоссарий общей химии.