science-softCon uv/vis+ spectra data base;	www.uv-spectra.de, (C) science-softCon 2019

Substance: umbelliferone			Other Names: 7-hydroxychromen-2-one; 7-hydroxycoumarin

Formula: C9H6O3					CAS-No.: 93-35-6	PubChem: CID 5281426

Study: uv absorption spectra

                
Authors: R.H. Abu-Eittah, Bahgat Ali H. El-Tawil 

Title: The electronic absorption spectra of some coumarins. A molecular orbital treatment

Journal/Source: Can. J. Chem., 63(6): 1173-1179, (1985); doi 10.1139/v85-200


Data: diagram, table

Energy/Wavelength range: 210 - 420 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration.

Phase: solution (dioxan; ethanol)

pH:


Comments: The electronic absorption spectra of coumarin and its derivatives umbelliferone (6-hydroxycoumarin), esculetin (6,7-dihydroxycoumarin), 
and scopoletin (6-methoxy-7-hydroxycoumarin) were investigated.

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