what is phenolphthalein...please tell me fastly
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Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. Phenolphthalein exerts laxative effects by stimulating the intestinal mucosa and constricting smooth muscles. However, phenolphthalein is no longer used as a laxative due to the suspected carcinogenicity of this compound.
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Phenolphthalein is a Synthetic indicator.
It gives pink colour in basic solution whereas stays colourless in acidic solution.
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