Characters. - Colourless, transparent, tabular, efflorescent crystals, with an astringent taste.

Solubility. - Soluble in about twice the weight of rectified spirit and of water.

Reactions. - The watery solution is coloured violet by perchloride of iron, and gives a white precipitate with sulphydrate of ammonium; it is made faintly turbid by chloride of barium, and it is not precipitated by oxalate of ammonium.

Action. - Sulphocarbolate of zinc is antiseptic and astringent.

Uses. - It is used as an injection in otorrhcea, gonorrhoea, and other cases of purulent discharges, in the strength of 2 to 4 grains to the ounce of water. It is not given internally.