Spiritus Sinapis (N. F.)—Spirit of Mustard.

Related entries: Sinapis Nigra (U. S. P.)—Black Mustard - Oleum Sinapis Volatile (U. S. P.)—Volatile Oil of Mustard

Preparation.—"Volatile oil of mustard, two grammes (2 Gm.) [31 grs.]; alcohol, one hundred grammes (100 Gm.) [3 ozs. av., 231 grs.]. Mix them. Note.—This preparation is official in the German Pharmacopoeia"—(Nat. Form.).

Action and Medical Uses.—This agent should never be used internally. Externally, it is a powerful rubefacient, and may be cautiously employed where a counter-irritant effect is desired.

King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.