Lidocaine hydrochloride is chemically designated as acetamide, 2 - (diethylamino)-N-(2,6-dimethyl) -, monohydrochloride and has a molecular weight of 270.8. The molecular formula is C14H22N2O.HCl. For lidocaine hydrochloride solutions containing epinephrine, which is chemically designated as (-) -3,4-dihydroxy-α-[(methylamino) methyl] benzyl alcohol and has the molecular weight of 183 21. Its molecular formula is C9H13NO3. Lidocaine sterile lidocaine hydrochloride with epinephrine hydrochloride solution of lidocaine hydrochloride injections are sterile pyrogen-free solutions, water containing a local anesthetic with or without epinephrine and are administered intravenously injection.Dosage forms listed as xylocaine-MPF indicates a single dose solutions are methyl Araben REE P F (MPF).