It has three crystal state,monoclinic,hexagon and cubic,Its appearance is white powder Almost undissolveing in water.Decomposed when acid.Forming barium sulfate when combining with sulphuric acid.Decomposed barium oxide of 1400 C。tiny absorption of moisture toxic
◆Use
Carbonant in iron and steel industion of moisture toxic of barium salts optical glass paints ceramic.Enamel oil paints rubber pigment welding rod fireworks used in electronic industry as purifying agent of water and pesticide rat,etc