science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: opianic acid Other Names: 6-formyl-2,3-dimethoxybenzoic acid Formula: C10H10O5 CAS-No.: 519-05-1 PubChem: CID 68210 Study: uv absorption spectra Authors: P.M. Oestreicher , C.G Farmilo , L. Levi Title: Part III B. Ultraviolet Spectral Data for Ninety Narcotics and Related Compounds Journal/Source: Bulletin on Narcotics, 3, 42-70, (1954) Data: diagram, table Energy/Wavelength range: 200 - 320 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: solution (water) pH: Comments: Author to whom correspondence should be addressed: (e-mail address):