Title: Anilinephthalein
CAS Registry Number: 509-77-3
CAS Name: 3,3-Bis(4-aminophenyl)-1(3H)-isobenzofuranone
Additional Names: 3,3-bis(p-aminophenyl)phthalide
Molecular Formula: C20H16N2O2
Molecular Weight: 316.35
Percent Composition: C 75.93%, H 5.10%, N 8.86%, O 10.11%
Literature References: Prepn: Hubacher, J. Am. Chem. Soc. 73, 5885 (1951).
Properties: Crystals from methanol, mp 203°. Sol in acetone. Moderately sol in methanol, ethyl acetate. Insol in water, ether, benzene.
Melting point: mp 203°
Status: This monograph has been retired and is no longer subject to revision or update.

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