Barium oxalate is a chemical compound with the chemical formula . It is a barium salt of oxalic acid. It consists of barium cations and oxalate anions . It is a white odorless powder that has rarely been used as a colorant in magnesium-containing pyrotechnic formulas.
Properties It is extremely insoluble in water and converts to barium oxide when heated.
Preparation The raw materials that are required to prepare barium oxalate are oxalic acid and barium hydroxide (or its octahydrate).
It can be prepared by using an oxalic acid solution and a barium chloride solution, with the reaction as follows:
Safety Though largely stable, barium oxalate can be reactive with strong acids. A mild skin irritant, the compound is considered toxic when ingested, causing nausea, vomiting, kidney failure, and injury to the gastrointestinal tract.
References
External links
rec.pyrotechnics FAQ