Synonym. - Calcarea Hydriodica.

Present name. - Calcic Iodide. CaI2.

This also has not been proved; but Dr. Meyhoffer and others have found it very useful in fistulous ulcers and sinuses. A notice of it appears in Allen's Encyclopaedia.

Characters and Tests. - Dirty white crystalline masses, deliquescent and freely soluble in water. The solution gives a white precipitate with Oxalate of Ammonia, and when mixed with mucilage of Starch it yields a blue colour on the addition of a minute quantity of solution of Chlorine.

Preparation. - Solution in distilled water up to 1.