Fine, yellow powder having a slight, characteristic odor and a faintly acid taste.

Action and Uses: Same as those of washed sulphur.

Dosage: 4 Gm. or 1 drachm (U.S.P.).

Petroxolinum Sulphuratum (Petrox. Sulphur.), Sulphurated Petroxolin, N.F. (Sulphurated Petrox).—Sublimed sulphur (3%) in linseed oil, oleic acid and liquid petroxolin.

Petroxolinum Sulphuratum Compositum (Petrox. Sulphur. Co.), Compound Sulphurated Petroxolin, N.F. (Compound Sulphurated Petrox).—Sulphurated petroxolin (10%), in oil of cade, thymol, eucalyptol, oil of turpentine and liquid petroxolin.

*Unguentum Sulphuris (Ung. Sulphur.), Sulphur Ointment, U.S.P.—Sublimed sulphur (15%) in benzoinated lard.

Unguentum Sulphuris Alkalinum (Ung. Sulphur. Alk.), Alkaline Sulphur Ointment, N.F.—Sublimed sulphur (20%) and potassium carbonate (10%) in water and benzoinated lard.

Unguentum Sulphuris Compositum (Ung. Sulphur. Co.), Compound Sulphur Ointment, N.F. (Wilkinson’s Ointment, Hebra’s Itch Ointment).—Sublimed sulphur (15%), oil of cade (15%) and precipitated calcium carbonate in soft soap and lard.

Sulphuris Iodidum (Sulphur. Iod.), Sulphur Iodide, N.F.—Washed sulphur (20%) and iodine combined by means of heat.

Brittle, grayish black masses, having a metallic luster, an odor of iodine and a somewhat acrid taste. Almost insoluble in water; alcohol dissolves the iodine, leaving the sulphur.