Synonym. - Calcarea Muriatica.
Present name. - Calcic Chloride. CaCl2.
May be prepared by neutralizing Hydrochloric Acid with pure Carbonate of Lime (e.g., pure white Carrara marble), and evaporating to dryness. Owing to its strong attraction for water, it must be preserved in well-stoppered bottles.
Characters and Tests. - In white agglutinated masses, dry, but very deliquescent; evolves no Chlorine or Hypochlorous Acid on the addition of Hydrochloric Acid, and is entirely soluble in twice its weight of water, also in alcohol. The aqueous solution is not precipitated by the addition of lime-water.
This salt has not been regularly proved, but has been frequently employed successfully in scrofula and skin diseases.
Preparation. - Solution in distilled water for lx, then use dilute alcohol for 1, and after that rectified spirit.