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BARIUM AZIDE Basic information
BARIUM AZIDE Chemical Properties
  • Melting point:120°C
  • Boiling point:explodes [CRC10]
  • Density 2.936
  • form monoclinic crystals
  • color Monoclinic prisms or crystals
  • Water Solubility g/100g H2O: 12.5 (0°C), 16.1 (10°C), 17.4 (20°C) [LAN05]; alcohol 0.17 (16°C), insoluble ether [CRC10]
  • CAS DataBase Reference18810-58-7(CAS DataBase Reference)
  • EPA Substance Registry SystemBarium azide (Ba(N3)2) (18810-58-7)
Safety Information
  • Risk Statements 20/22
  • Safety Statements 28
  • RIDADR 224
  • HazardClass 1.1A
  • PackingGroup I
BARIUM AZIDE Usage And Synthesis
  • Chemical PropertiesBarium azide is a flammable, crystalline solid which can be used or transported in solution.
  • Physical propertiesColorless monoclinic crystal; density 2.936 g/cm3; decomposes at 120°C; soluble in water, slightly soluble in ethanol.
  • UsesHigh explosives.
  • PreparationBarium azide may be prepared by reacting sodium azide with a soluble barium salt. The solution is concentrated to allow crystals grow. Crystals will explode if fully dried, or subject to friction. Product should be stored damp with ethanol.
  • General DescriptionA slurry of white crystals. When dry, a high explosive that easily ignited and quick to burn vigorously. Wetting reduces sensitivity to shock and heat. Generates toxic oxides of nitrogen when burned.
  • Air & Water ReactionsHighly flammable. Soluble in water.
  • Reactivity ProfileBARIUM AZIDE is a suspension or slurry of of an unstable solid in sufficient water to allow safe shipping and handling. May explode if allowed to dry out and then heated or shocked. Incompatible with strong oxidizing agents, strong reducing agents.
  • HazardExplodes when shocked or heated.
  • Health HazardSome are toxic and may be fatal if inhaled, swallowed or absorbed through skin. Contact may cause burns to skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause pollution.
  • Safety ProfileA poison. Moderate explosion hazard when shocked or heated to 275'. Spontaneously flammable in air. Very unstable. When heated to decomposition it emits toxic fumes of NO,. See also BARIUM COWOUNDS (soluble) and AZIDES.
  • Potential ExposureBarium Azide is used in high explosives.
  • ShippingUN1571 Barium azide wetted with not ,50% water, by mass, Hazard Class: 4.1; Labels: 4.1—Flammable solid, 6.1—Poisonous materials. UN0224 Barium Azide dry or wetted with ,50% water, by mass, Hazard Class: 1.1A; Labels: 1.1A—Explosive (with a mass explosion hazard); A—Substances which are expected to mass detonate very soon after fire reaches them. Packing Group 1.
  • IncompatibilitiesCarbon disulfide. It can explode when heated or shocked.
BARIUM AZIDE(18810-58-7)Related Product Information
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