D 1435 (OTTO) p-Dibromobenzene, 98% Cas 106-37-6 - used in the synthesis of 2,5-dibromoacetophenone, triarylamines and trans- stilbenes. D 1435 (OTTO) p-Dibromobenzene, 98% Cas 106-37-6 - used as a heavy liquid solvent as well as a motor oil additive. It finds application as an intermediate in the manufacture of organic chemicals such as dyes, pharmaceuticals and flame retardants for polymeric materials.