B 2208 (OTTO) 4-(Benzyloxy)phenol, 98% Cas 103-16-2 - used in the synthesis of bis(4-benzyloxyphenoxy)phenyl phosphine oxide. B 2208 (OTTO) 4-(Benzyloxy)phenol, 98% Cas 103-16-2 - used in the preparation of series of hetaryl-azophenol dyes via heterocyclic amines in nitrosyl sulphuric acid.