ARSENMETHYL

n. A®rse?n-me%th/i4l, Fr., arsén-méthyle. Ger., Arsenmethyl. It, arsenio-metile. Syn.: methylarsen, arsenmonomethyl. A bivalent or quadrivalent radicle As(CH3)” or As(CH,)””, It is not known in the free state. [B, 2.]—A. chloride. Fr. chlorure d’arsén-méthyle. Ger., Arsenniethylchloriir. See A. dichloride and A. tet rach to ride.— A. chlorobromide. Fr, chloro-bromure d’arsén-méthyle. Ger., Arsenmethylchlorbromür. A substance, As(CH,)CIBr, apparently produced. en the spontaneous decomposition of the chlorodibromide of cacodyl. [B, 2.]—A. dichloride. Fr., bichlorure d'arsén-méthyle. Ger., Arsenmethyldichlorär. À colorle , heavy, highly refractive liquid, As(CH3)Cla, the vapor of which is a powerful irritant to the mucous membranes. [B, 2.]—A. diiodide. Fr., biiodure d’arsén-méthyle, Ger., Arsenmethyldijodür. A substance, As(CH,}l,, forming yellow acicular crystals melting at 20°-25° C. [B, 3.]—A. iodide. See À. diiodide, —A. oxide. Fr., oxyde d’arsén-méthyle. Ger., Arsenmethyloxyd. A substance, As(CH3)O, occurring as crystals having the odor of asafcetida and melting’ at 9° C. [B, 3.J—A. sulphide. Fr., sulfure d'arsén-méthyle. Ger., Arsenmetiiylsuljid. A crystalline substance, As(CH,)S, melting at 110° C. and having a faint odor of asafœtid a. {B.j-A. tetrachloride. Fr., tétrachlorure d’arsén-méthyle. Ger., Arsenmethyltetrachlorür. A crystalline compound, As(CH;)Cl,._ [B, 2.]