(as-et-o-je'-non), C H 5 (CO)- (CH 3 V Hypnone ; a hypnotic and antisep- tic. It results from the action of zinc methyl upon benzoyl chlorid and crystallizes in la] ge plates, melts at 20. 5 and boils at 202 . It is without satisfactory action. Dcse 4-15 min. (0.26-1.0 Cc).