BaCl22H2O

Barium chloride dihydrate, with the chemical formula BaCl2·2H2O, is an inorganic compound and a hydrated salt of barium chloride. It appears as white, crystalline solids and is readily soluble in water. This compound is the most common hydrated form of barium chloride. When heated, it loses its water of hydration. Barium chloride dihydrate is typically produced by the reaction of barium carbonate or barium hydroxide with hydrochloric acid, followed by crystallization. It is an important source of barium ions in various chemical reactions and laboratory applications. It is also used in the production of other barium compounds, in pyrotechnics for producing green flames, and as a component in some types of ceramic glazes. Due to the toxicity of barium, handling of barium chloride dihydrate requires caution. It is considered a toxic substance and ingestion can lead to severe health problems.