Action and Uses: Used in pharmacy in the making of crude ferric malate.

*Sulphonethylmethanum (Sulphonethylmeth.), Sulphonethylmethane, U.S.P. (Trional).—Diethylsulphonemethylethylmethane.

Colorless, lustrous, odorless, crystalline scales, having a bitter taste in aqueous solutions. Slightly soluble in water (1:200) and in alcohol.

Action and Uses: A hypnotic producing in ordinary doses no other symptoms than sleep. The sleep comes on in about an hour, though in some cases it may be much longer delayed.

Dosage: 0.75 Gm. or 12 grains (U.S.P.), best administered in hot milk or other hot drinks.

*Sulphonmethanum (Sulphonmeth.), Sulphonmethane, U.S.P. (Sulphonal).—Diethylsulphonedimethylmethane.

Colorless, odorless and nearly tasteless crystals or powder. Slightly soluble in water (1:365) and soluble in alcohol (1:60).

Action and Uses: Hypnotic and sedative. Has properties similar to those of sulphonethylmethane, but usually acts somewhat more slowly.

Dosage: 0.75 Gm. or 12 grains (U.S.P.). Preferably administered in hot milk or other hot drinks.

*Sulphur Lotum (Sulphur Lot.), Washed Sulphur, U.S.P.—S.