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Synonyms: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
Phenolphthalein ] is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation.
P 1538 (OTTO) Phenolphthalein, indicator solution - adopts four different states in aqueous solution: Under very strongly acidic conditions, it exists in protonated form, providing an orange coloration. Under strongly acidic conditions, the lactone form is colorless. The singly deprotonated phenolate form (the anion form of phenol) gives the familiar pink color.
Hazard Codes Xn
Certificate Of Analysis
(For eg. B 1615-0108)
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Brilliant cresyl blue solution
NA
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56-41-7
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110761-76-7
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