This may be made by the direct union of its constituents, iodine and cadmium. it is a white or colourless crystallizable compound, and soluble in water and in alcohol. it has been used externally by Dr. Garrod, of London, as a local application in enlarged scrofulous glands, nodes, chronic swellings of the joints, chilblains, and cutaneous affections. He employs it by friction to the part in the form of ointment, made in the proportion of one part of the iodide to eight of lard.