Present name. - Zincic Cyanide. Zn2CN.
May be obtained from the operative chemists.
Characters and Tests. - A white powder, insoluble in water, but dissolved by Hydrochloric Acid with disengagement of Hydrocyanic Acid, recognizable by its odour. This solution yields with Ammonia a white precipitate which is entirely soluble in an excess of the re-agent.
Reference to Horn. Proving. - A short notice of this occurs in N. A. J. H., vol. ii.
Preparation. - Trituration.