Phenolphthalein

About This Item

Molecular Formula	C₂₀H₁₄O₄
CAS Number	77-09-8

FC-0115589

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Properties

Chemical Identifiers

IUPAC Name	3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
SMILES	C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
InChI	InChI=1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H

Physical Properties

Boiling Point	557.8±50.0 °C at 760 mmHg
Melting Point	262.5 °C
Flash Point	206.5±23.6 °C
Density	1.299 at 77 °F (NTP, 1992)

Safety Information

Hazard Class

Danger

Flash Point

206.5±23.6 °C

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.