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It is an important pharmaceutical intermediate.
Hayato Tsuji.; Chikahiko Mitsui.; Laurean Ilies.; Yoshiharu Sato.; Eiichi Nakamura. Synthesis and Properties of 2,3,6,7-Tetraarylbenzo[1,2-b:4,5-b]difurans as Hole-Transporting Material. J. Am. Chem. Soc. 2007, 129 (39), 11902-11903.
Gefahrenhinweise (EU): H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
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.