allyl isothiocyanate


al·lyl i·so·thi·o·cy·a·nate

allyl obtained from Brassica nigra by the action of water on sinigrin and myrosin or produced synthetically; a vesicant, used in 10% solution in 50% alcohol as a counterirritant in neuralgia. Gives mustard its characteristic flavor and aroma.
See also: mustard oil. Synonym(s): volatile mustard oil