Back Bariumperoksied Afrikaans بيروكسيد الباريوم Arabic باریوم پراوکسید AZB Peròxid de bari Catalan Peroxid barnatý Czech Bariumperoxid German Barium peroxide English Peróxido de bario Spanish باریم پراکسید Persian Bariumperoksidi Finnish
Barium peroxide is a chemical compound. Its chemical formula is BaO2. It contains barium and peroxide ions.