Synonym. - Zincum Muriaticum.
Present name. - Zincic Chloride. ZnCl2.
May be obtained from the operative chemists.
Characters and Tests. - Colourless opaque rods or tablets, very deliquescent and caustic; soluble almost entirely in water, alcohol, and ether. The watery solution is precipitated white by Sulphide of Ammonium and Nitrate of Silver; but, if first acidulated with Hydrochloric Acid, it is not affected by Sulphuretted Hydrogen. Its watery solution is not affected by Chloride of Barium or Oxalate of Ammonia, and is not tinged blue by yellow or red Prussiate of Potash. Ammonia throws down a white precipitate entirely soluble in an excess of the re-agent.
Reference to Horn. Proving. - A short notice is given in B. J. H., xi.
Preparation. - Solution in distilled water.