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phenolphthaleinA compound used as a laboratory reagent and acid-base indicator and also used in over-the-counter (OTC) laxative preparations. Phenolphthalein may be a carcinogen (cancer-causing agent). Feeding of phenolphthalein caused cancer in multiple organs in multiple species of experimental animals. The US government in 2000 classified phenolphthalein as &q [..]
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phenolphthaleinA pH indicator that is clear below pH 8.3 and red above 8.3. It is the indicator used in various alkalinity titrations.
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phenolphthaleinAn 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 ma [..]
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phenolphthaleinPhenolphthalein is an organic compound often used as an pH indicator. Phenolphthalein turns pink in pH greater than 8.3 and colorless in acidic solutions. The chemical formula for phenolphthalein is C [..]
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phenolphthalein(n) a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalini [..]
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phenolphthaleinA solution which changes colour from white to red in solutions with a pH of 8.3 or greater.
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phenolphthaleinAn acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.
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phenolphthaleinAn acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.
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phenolphthalein
(chemistry) A quinone derivative used as a pH indicator, and once used as a laxative
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phenolphthalein
(organic compound) phenolphthalein
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