The 4'-methyl-biphenyl-4-carboxylic acid exhibits the characteristic absorption bands of COOH and CH, groups. Photoproduct analysis, carried out by GC-MS, ETIR and GC-FTIR confirm three successive oxidation states of methyl suhstituents such as alcohol, aldehyde and carboxylic acids.
F. El Anba-lurota,; M. Guilianoa,; P. Doumenqa & G. Millea. Photooxidation of 3,3?- and 4,4?-Dimethylbiphenyls in Natural Seawater. International Journal of Environmental Analytical Chemistry. 1995, 61(1). 27-34
J. Swadesh,; H. Fischer. Phase Structure and Polymorphism of n-Alkyl Monoesters of Biphenyl-4,4?-dicarboxylic Acid. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 1996, 275/span>(1), 175-181.
Dichiarazioni di rischio (UE): H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Dichiarazioni precauzionali: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.