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en.wikipedia.org/wiki/Phenolphthalein

Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. ... Uses[edit]. Indicator[edit]. Phenolphthalein's common use is as an indicator in acid-base titrations. It also serves as a ...

www.wisegeekhealth.com/what-are-the-medical-uses-of-phenolphthalein.htm

Phenolphthalein is most notably used as an acid/base indicator and was formerly ... This bowel irritation has a typical onset of six to eight hours and has been ...

pubchem.ncbi.nlm.nih.gov/compound/phenolphthalein

phenolphthalein | C20H14O4 | CID 4764 - structure, chemical names, ... Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. ...... Available in white or yellow forms; the monosodium salt is the most common ...

chemistry.elmhurst.edu/vchembook/186indicator.html

The most common method to get an idea about the pH of solution is to use an acid base ... A properly selected acid-base indicator can be used to visually " indicate" the ... Phenolphthalein is an indicator of acids (colorless) and bases ( pink).

www.rxwiki.com/phenolphthalein

Nov 15, 2013 ... Phenolphthalein - Get up-to-date information on Phenolphthalein side effects, uses, dosage, overdose, pregnancy, alcohol and more. Learn more about ... Common Causes of Constipation. Foods That Make You Go.

chemistry.bd.psu.edu/jircitano/abindic.html

Phenolphthalein is a colorless, weak acid which dissociates in water forming magenta anions. ... The table gives examples of common indicators. ... Indicators are used in titration solutions to signal the completion of the acid-base reaction.

digipac.ca/chemical/equilibrium/phenolpthalein.htm

Phenolphthalein is an organic compound (C20H14O4) used as an acid-base indicator. The compound is colorless in acidic solution and pinkish in basic ...

www.science.uwaterloo.ca/~cchieh/cact/c123/indicator.html

Phenolphthalein, Colorless, 8.2 - 10.0, Pink ... Some common indicators and their pKai (also referred to as pKa) values are given in a table form. Since the table ...

www.chemguide.co.uk/physical/acidbaseeqia/indicators.html

Methyl orange is one of the indicators commonly used in titrations. ... Phenolphthalein is another commonly used indicator for titrations, and is another weak acid ...

www.britannica.com/science/phenolphthalein

Phenolphthalein was used widely in over-the-counter laxatives, but in 1999 the U.S. Food and Drug Administration banned its use in such medicines because ...