B 2830 (OTTO) 2-Bromonaphthalene, 97% Cas 580-13-2 - used as a raw material in the preparation of biaryls through Suzuki cross coupling reaction. Further, it plays a vital role in the preparation of dyes. B 2830 (OTTO) 2-Bromonaphthalene, 97% Cas 580-13-2 - used to study potential tumorigenicity.