3446 ERNEST H. HUNTRESS AND JOHN S. AUTENRIETH ... OF ORGANIC CHEMISTRY. MASSACHUSETTS INSTITUTE OF TECHNOLOGY ] Identification of Organic Compounds. IV. Chlorosulfonic Acid as a Reagent for Identification of Alkylbenzenes ... BY ERNEST H. HUNTRESS AND JOHN S. AUTENRIETH'J ... The use of chlorosulfonic acid as a tool for the characterization of organic compounds, whose application to the identification of aryl halides3" and aromatic ...