A by-product of gas manufacture.

Properties.—Colorless, shining rhombic crystals of an aromatic acrid taste, insoluble in water but soluble in alcohol, ether and oils.

Dose.—Horses, 1 to 3 dr.; cattle, 2 to 4 dr.; sheep and pigs, 5 to 15 gr.; dogs, 1 to 10 gr. These doses can be doubled in severe cases of intestinal flatulence.

Actions and Uses.—A true intestinal antiseptic and antiferment, is also expectorant, antiseptic and parasiticide. Used in intestinal flatulence, dissolved in tincture capsicum; in diarrhoea and dysentery, is of great value in these ailments, quickly allays foul odor of the evacuations of the bowels; large doses irritate the kidneys and cause bloody urine which ceases upon withholding the drug. When powdered on a wound as wire cuts, etc., will keep away flies and other insects, besides it is a powerful antiseptic and promotes the healing of wounds. Used as an ointment it is very effective in parasitic skin diseases.