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Phenolphthalein /ˌfiːnɒlfˈθeɪliːn/ is a chemical compound with the formula C20H14O4 ... O=C1OC(c2ccccc12)(c3ccc(O)cc3)c4ccc(O)cc4. Properties.

phenolphthalein | C20H14O4 - PubChem


phenolphthalein | C20H14O4 | CID 4764 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, ...

acid-base indicators - Chemguide


Phenolphthalein is another commonly used indicator for titrations, and is ... the reason for the colour changes in methyl orange and phenolphthalein, they are ...

Acid-Base Indicator Color Chart


Phenolphthalein is a common indicator to use in neutralization titrations. The solution is considered neutral when it holds a very faint pink color for half a minute ...

Phenolphthalein | 77-09-8 - Chemical Book


Visit ChemicalBook To find more Phenolphthalein(77-09-8) information like chemical properties,Structure,melting point,boiling point,density,molecular formula ...

Physical, thermal and mechanical properties of phenolphthalein ...


Tensile properties of the polycarbonate specimens were determined. INTRODUCTION Phenolphthalein polycarbonate combines good mechanical and physical ...



Phenolphthalein is a colourless, weak acid which dissociates in water forming pink anions. Under acidic conditions, the equilibrium is to the left,and the ...

Acid and Base Indicators - Chemwiki


Oct 10, 2013 ... Phenolphthalein is an indicator of acids (colorless) and bases (pink). Sodium hydroxide is a base, and it was in the pitcher at the beginning, ...

Why do we use phenolphthalein as an indicator in titration? - Quora


Nov 25, 2015 ... From this exposure, we can of course testify to the color change property of phenolphthalein, recalling that its characteristic hue is a light pink ...

BBC - GCSE Bitesize Science - Titrations : Revision


Litmus and phenolphthalein are single indicators used to show whether a ... An indicator changes colour depending on the properties of the substance it is ...

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Phenolphthalein | C20H14O4 | ChemSpider


Structure, properties, spectra, suppliers and links for: Phenolphthalein, 77-09-8.

Acid-Base Indicators - Chemistry Department - Elmhurst College


Phenolphthalein is an indicator of acids (colorless) and bases (pink). Sodium hydroxide is a base, and it was in the pitcher at the beginning, so when added to  ...

PHENOLPHTHALEIN - (77-09-8) - Physical Properties • Chemical ...


Physical and chemical properties, including bonding and thermodynamic values for phenolphthalein.