Zerewitinoff reagent

Zerewitinoff reagent

[‚zir·ə′wit·ən‚ȯf rē‚ā·jənt]
(analytical chemistry)
A light-colored methylmagnesium iodide-n-butyl ether solution that reacts rapidly with moisture and oxygen; used to determine water, alcohols, and amines in inert solvents.