PhotochemCAD ID: H03
Class: Coumarins
Name: 7-Hydroxycoumarin
Synonym: Umbelliferone
CAS: 93-35-6
Source: Oakwood Chemical, 076753
Download Structure File (.cdx)
λabs: 326 nm

Absorption Spectrum

Solvent: ethanol
Instrument: Agilent 8453
Date: January, 2017
By: Masahiko Taniguchi
Absorption coefficient: 16800 at 326 nm
Download Absorption Spectrum File

Fluorescence Spectrum

Solvent: methanol
Instrument: PTI QM-4/2003 SE
Date: January, 2017
By: Masahiko Taniguchi
Fluorescence quantum yield: 0.08
Download Fluorescence Spectrum File

The data displayed here are derived from the scientific literature. For citations please see the following two papers: