| 11. | In a similar application, spackling used to repair holes in drywall contains phenolphthalein.
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| 12. | The agency said there were more than two dozen laxatives that did not contain phenolphthalein.
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| 13. | Ex-Lax with phenolphthalein has been sold in the U . S . since 1905.
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| 14. | Among other chemicals the group is also considering adding the laxative ingredient phenolphthalein to its list.
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| 15. | Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments.
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| 16. | It was first used as a laxative in 1953 because of its structural similarity to phenolphthalein.
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| 17. | The FDA studies of phenolphthalein involved only rodents and focused primarily on dosages far exceeding human dosages,
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| 18. | Novartis AG is the major manufacturer of laxatives containing phenolphthalein, with its Ex-Lax line.
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| 19. | Among other chemicals, the group is also considering adding the laxative ingredient phenolphthalein to its list.
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| 20. | Turmeric can be used as a substitute for phenolphthalein, as its color change pH range is similar.
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