A 1253 (OTTO) Acetic acid, electronic grade, 99.9% Cas 64-19-7 - used as solvent for perchloric acid titration. A 1253 (OTTO) Acetic acid, electronic grade, 99.9% Cas 64-19-7 - used in the production of cellulose acetate for photographic film, polyvinyl acetate for wood glue, synthetic fibers and fabrics.