Molecular formula :
nature : BaO2 white or gray powder. Toxic! Density 4.958. 450 ° C melting point. At 800 ° C lost part oxygen from barium oxide. Eight-BaO2 8H2O water is colorless crystal, density 2.292, in the loss of about 100 ° C crystallization of water. Both water-soluble and water-slow decomposition. Used for aluminum welding lit agent, bleaching agents, and for oxygen and hydrogen peroxide. Barium increase by hydrogen peroxide or oxygen at 500-520 ° C under high temperature oxidation by barium and prepared.
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