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Barium I Barium <br />Form: <br />Solid in various forms <br />Color: <br />Silver-gray metallic <br />Odor: <br />Not determined <br />Odor Threshold: <br />Not determined <br />pH: <br />N/A <br />Melting Point: 725 °C <br />Boiling Point: <br />1640 °C <br />Flash Point: <br />N/A <br />Evaporation Rate: <br />N/A <br />Flammability: <br />Flammable solid <br />Upper Flammable Limit: <br />No data <br />Lower Flammable Limit: <br />No data <br />Vapor Pressure: 10 mm at 1049 °C <br />Vapor Density: N/A <br />Relative Density (Specific Gravity): 3.51 g/cc at 20 °C <br />Solubility in H2O: Decomposes <br />Partition Coefficient (n-octanol/water): Not determined <br />Autoignition Temperature: No data <br />Decomposition Temperature: No data <br />Viscosity: N/A <br />Page 4 of 6 <br />10 STABILITY AND REACTIVITY <br />Reactivity: No data <br />Chemical Stability: Stable under recommended storage conditions. <br />Possibility of Hazardous Reactions: Barium reacts readily with water releasing flammable hydrogen gas. <br />Conditions to Avoid: Heat, sparks, flame. Exposure to water or moist air. <br />Incompatible Materials: Water or moisture, oxidizing agents, oxygen, acids, alcohols, halocarbons, carbon dioxide, <br />ammonia. <br />Hazardous Decomposition Products: Barium oxides, hydrogen gas. <br />11 TOXICOLOGICAL INFORMATION <br />Likely Routes of Exposure: Inhalation, skin, eyes. <br />http://www.espimetals.com/index.php/msds/46-barium?tmpl=component&print=l&page= 9/1/2015 <br />