Tablet Size: Diameter 8.1 mm, thickness 3.8 mm, weight about 204 mg.
Ofloxacin is (±)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3,-de][1,4]benzoxazine-6-carboxylic acid.
Ofloxacin has a molecular formula of C18H20FN3O4, molecular weight of 361.37 and melting point of 260°-270°C (decomposition). Ofloxacin occurs as pale yellowish-white to light yellowish-white crystals or crystalline powder, is odorless and has a bitter taste. It is freely soluble in glacial acetic acid, sparingly soluble in chloroform, slightly soluble in water, methanol, ethanol and acetone and very slightly soluble in ethyl acetate. It is slowly colorized by light and has no specific rotation.