Characters. - A white, or nearly white, granular powder, very deliquescent, odourless, having a sharp saline metallic taste, and a neutral reaction.

Solubility. - Very soluble in water and in alcohol. Reactions. - The aqueous solution of the salt yields the reactions of zinc and of a bromide (p. 594).

Dose. - 2 to 8 grains given in syrup.

Uses. - In large doses it is irritant and emetic like other salts of zinc. It has been recommended in epilepsy with the idea of combining the actions of bromine and zinc.