2-(2′-Hydroxyphenyl)benzimidazole

CAS: 2963-66-8 F: C13H10N2O W: 210.23

2-(2′-Hydroxyphenyl)benzimidazole is some of the most extensively studied excited state intramolecular proton transfer

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Bioactivity	2-(2′-Hydroxyphenyl)benzimidazole is some of the most extensively studied excited state intramolecular proton transfer (ESIPT) molecules exhibiting normal and tautomer emissions. 2-(2′-Hydroxyphenyl)benzimidazole has been applied as a fluorescent probe in various systems[1].
Name	2-(2′-Hydroxyphenyl)benzimidazole
CAS	2963-66-8
Formula	C13H10N2O
Molar Mass	210.23
Appearance	Solid
Transport	Room temperature in continental US; may vary elsewhere.
Storage	4°C, stored under nitrogen *In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
Reference	[1]. Chipem FA, et al. Excited state proton transfer of 2-(2'-hydroxyphenyl)benzimidazole and its nitrogen substituted analogues in bovine serum albumin. Photochem Photobiol Sci. 2014 Sep;13(9):1297-304.