science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: esculetin Other Names: aesculetin; 6,7-dihydroxy-2-chromenone; 6,7-dihydroxycoumarin Formula: C9H6O4 CAS-No.: 305-01-1 PubChem: CID 5281416 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 - 440 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. Author to whom correspondence should be addressed: (e-mail address):