benzenesulfonic acid
noun
ben·zene·sul·fon·ic acid
variants:
or chiefly British benzenesulphonic acid \ ˌben-ˌzēn-ˌsəl-ˌfän-ik-, -ˌfōn- \
Medical Definition of benzenesulfonic acid
: a colorless crystalline acid C6H5SO3H made by sulfonating benzene and used in organic synthesis, in the form of its besylate in pharmacology, and in the form of derivatives as detergents