science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: cis-urocanic acid				Other Names: (Z)-3-(1H-imidazol-5-yl)prop-2-enoic acid

Formula: C6H6N2O2					CAS-No.: 7699-35-6	PubChem: 

Study: uv absorption spectrum


Authors: K.M. Hanson, B. Li, J.D. Simon

Title: A Spectroscopic Study of the Epidermal Ultraviolet Chromophoretrans-Urocanic Acid

Journal/Source: J. Am. Chem. Soc., 119, 2715-2721, (1997); DOI: 10.1021/ja963440s


Data: diagram, table

Energy/Wavelength range: 230 - 330 nm

Resolution: 

Temperature: 294 - 353 K

Temperature dependence: 

Pressure/Concentration: pH 7.2 buffered, 0.05 mM t-UA

Phase: solution

pH: 7.2


Comments: The absorption maximum is located at 278 nm (epsilon = 13600 M-1 cm-1).

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