science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: pyrazine Other Names: 1,4-diazine Formula: C4H4N2 CAS-No.: 290-37-9 PubChem: CID 9261 Study: uv absorption spectra Authors: F. Halverson, R.C. Hirt Title: Near Ultraviolet Solution Spectra of the Diazines Journal/Source: J. Chem. Phys., 19, 711-718, (1951); http://dx.doi.org/10.1063/1.1748338 Data: table, diagram Energy/Wavelength range: 31000 - 45000 cm-1 (~ 222 - 322 nm) Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: solution (water; cyclohexane; acetonitrile; ethanol) pH: Comments: The near ultraviolet spectra of the diazines and various derivatives have been obtained in several solvents. Author to whom correspondence should be addressed: (e-mail address):