CACODYL

Cac″o‐dyl (?), n. [[Gr. ������� ill-smelling (κακόσ bad + ����� to smell) + -yl.]] (Chem.) Alkarsin; a colorless, poisonous, arsenical liquid, As2(CH3)4, spontaneously inflammable and possessing an intensely disagreeable odor. It is the type of a series of compounds analogous to the nitrogen compounds called hydrazines. [Written also cacodyle, and kakodyl.]