science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: nitrous acid Other Names: nitrosyl hydroxide Formula: HNO2 CAS-No.: 7782-77-6 PubChem: CID 24529 Study: uv absorption cross section Authors: W.R. Stockwell, J.G. Calvert Title: The near ultraviolet absorption spectrum of gaseous HONO and N2O3 Journal/Source: J. Photochem., 8, 193-203, (1978); doi:10.1016/0047-2670(78)80019-7 Data: table, diagram Energy/Wavelength range: 300 - 400 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: gas pH: Comments: Measurements of the absorption cross sections for N2O3 and HONO vapors have been made for the 300 - 400 nm wavelength range. Author to whom correspondence should be addressed: (e-mail address):