Barium nitrate is a salt composed of barium and the nitrate ion. It exists as a white solid at room temperature. It is soluble in water, and like other soluble barium compounds, is toxic. It occurs naturally as the very rare mineral. Barium Nitrate is used for Pyrotechnic industry uses the Barium Nitrate for the production of "green fire" and green signal flares, Used in Primers and detonators, It is also used in the manufacture of Barium Peroxide, Used in the vacuum tube industry and...