Action and Uses: Emollient, used as substitute for olive oil.
*Oleum Sinapis Volatile (Ol. Sinap. Vol.), Volatile Oil of Mustard, U.S.P. (Mustard Oil).—Produced synthetically or from black mustard seed.
Nearly insoluble in water; soluble in alcohol.
Action and Uses: Powerful irritant and rapid vesicant; employed as counterirritant dissolved in alcohol or fixed oils.
Linimentum Sinapis Compositum (Lin. Sinap. Co.), Compound Liniment of Mustard, N.F.—Volatile oil of mustard (3%), fluidextract of mezereum (20%) and camphor (6%) in castor oil and alcohol.
Uses: Complex and antiquated counterirritant.
Spiritus Sinapis (Sp. Sinap.), Spirit of Mustard, N.F.—Volatile oil of mustard (2%) in alcohol.
Uses: Rubefacient.
*Oleum Terebinthinae (Ol. Tereb.), Oil of Turpentine, U.S.P. (Turpentine Oil, “Spirits of Turpentine”).—A volatile oil obtained from the oleoresin of pine wood (turpentine).
Nearly insoluble in water; soluble in alcohol.