CACODYL

n. Ka*k'o-dil. From xaxdôns, of an offensive odor, and Ay. material. Lat., cacodylium. Fr., cacodyle, kakodyle. Ger., Kakodyl. A name first applied to the body now known as dicacody]l (q. v.); now piven to ars end i methyl, As(UHy). sometimes denoted by the symbol Kd. It is still further extendod to all come pounds of two molecules of a hydrocarbon with an atom of arsenic, the particular compound being designated by prefixing the name of the hydrocarbon to the word c.; thus, methyl c’, As.(CHs)s, ethyl c’, As (CaHg)a. Used without qualification. the word always means the methyl compound. For compounds of the latter, see DIMETHYL- ARSINE. [B.]—C. oxide. See DIMETHYL ARSINE oxide and ALKAR- SINE.—Ethyl c. See DIETHYL ARSINE.