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5,5',6,6'-Tetrahydroxy-3,3,3',3'- tetramethyl-1,1'-spirobisindane is used in the preparation of 4,7,4',7'-tetrabromo-3,3,3',3'-tetramethyl-2,3,2',3'-tetrahydro-[1,1']spirobiindene-5,6,5',6'-tetraol by bromination using bromine.
Weng, X.; Baez, J. E.; Khiterer, M.; Hoe, M. Y.; Bao, Z.; Shea, K. J. Chiral Polymers of Intrinsic Microporosity: Selective Membrane Permeation of Enantiomers. Angew. Chem. Int. Ed. 2015, 54 (38), 11214-11218.
Zhao, Y. C.; Wang, T.; Zhang, L. M.; Cui, Y.; Han, B. H. Microporous spiro-centered poly(benzimidazole) networks: preparation, characterization, and gas sorption properties. Polym. Chem. 2015, 6 (5), 748-753.
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.