science-softCon uv/vis+ spectra data base, www.uv-spectra.de, (C) science-softCon 2017 Substance: 2,4,6-trinitrophenol Other Names: picric acid; TNP Formula: C6H3N3O7 CAS-No.: 88-89-1 PubChem: 6954 Study: uv absorption spectra Authors: M. Maclean Davis, M. Paabo Title: Spectrophotometric determination of the thermodynamic pK value of picric acid in water at 25° C Journal/Source: J. Research Nat. Bureau Stand. A, 67 A (3), 241-246, (1963) Data: table, diagram Energy/Wavelength range: 220 - 450 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: 5 x 10^-5 M Phase: solution (cyclohexane; water; aqueous NaOH; aqueous HCl) pH: Comments: Author to whom correspondence should be addressed: (e-mail address):