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Phenolphthalein - Wikipedia

en.wikipedia.org/wiki/Phenolphthalein

Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as ... O=C1OC(c2ccccc12)(c3ccc(O)cc3)c4ccc(O)cc4. Properties.

phenolphthalein | C20H14O4 - PubChem

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

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

Acid-Base Indicators - Chemistry Department - Elmhurst College

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

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  ...

What does phenolphthalein changing pink indicate? | Reference.com

www.reference.com/science/phenolphthalein-changing-pink-indicate-3b463649d047b26

Phenolphthalein is an indicator that turns from clear to pink in a basic solution, according to ... Purpose of Phenolphthalein · Properties of Phenolphthalein ...

Why does phenolphthalein turn pink? | Reference.com

www.reference.com/science/phenolphthalein-turn-pink-74e2f8c5efa45b1b

Phenolphthalein, an acid-base indicator used to test the pH of a solution, turns ... Phenolphthalein Indicator · Properties of Phenolphthalein · Phenolphthalein in ...

Phenolphthalein | C20H14O4 | ChemSpider

www.chemspider.com/Chemical-Structure.4600.html

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

phenolphthalein | chemical compound | Britannica.com

www.britannica.com/science/phenolphthalein

Sep 25, 2015 ... As an indicator of a solution's pH, phenolphthalein is colourless... ... unit of matter that has the characteristic properties of a chemical element.

Substance:Phenolphthalein - Learn Chemistry Wiki

www.rsc.org/learn-chemistry/wiki/Substance:Phenolphthalein

Aug 30, 2011 ... Chemistry educational resource for Phenolphthalein (standard InChIKey KJFMBFZCATUALV-UHFFFAOYSA-N)

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

chemistry-reference.com/q_compounds.asp?CAS=77-09-8

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

ACID_BASE INDICATORS

www.ch.ic.ac.uk/vchemlib/course/indi/indicator.html

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