Barium oxalate Barium oxalate Barium oxalate (BaCO), a barium salt of oxalic acid, is a white odorless powder that is sometimes used as a green pyrotechnic colorant generally in specialized pyrotechnic compositions containing magnesium. Though largely stable, barium oxalate can be reactive with strong acids. A mild skin irritant, the substance is considered toxic when ingested, causing nausea, vomiting, renal failure, and injury to the gastrointestinal tract. It is different from most pyrotechnic colorants in that it is a reducing agent and not an oxidizing agent. It is extremely insoluble in water and converts to the oxide form when heated. The raw
Consumer fireworks Consumer fireworks Consumer fireworks are fireworks sold to the general public for use. They are generally weaker in explosive power compared to professional displays. Consumer fireworks are often quite small and can be classified into three groups: daytime, nighttime, and novelty fireworks. Daytime fireworks include most bottle rockets, smoke balls, firecrackers, and other fireworks that emit very little or no light. Some examples of daytime consumer fireworks include: Novelty fireworks typically produce a much weaker explosion and sound. In some Countries and areas where fireworks are illegal to use, they still allow these small, low grade fireworks to be used.