Diazepam tablets are classified as a benzodiazepine, which is a type of medication. Diazepam’s chemical name is 7-chloro-1, 3-dihydro-1-methyl-5-phenyl-2H-1, 4-benzodiazepin-2-one, and it is classified as a benzodiazepin-2-one. It is usually available in the form of tablets or capsules for oral administration.