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Barium Peroxide (BaO₂)

  • CAS Number: 1304-29-6
  • EINECS Number: 215-128-4
  • Chemical Formula: BaO₂
  • Molecular Weight: 169.33 g/mol
  • Appearance: White crystalline solid (gray when impure)
  • Grades: Industrial Grade and Technical Grade
  • Packaging Specifications: 25 kg, 200 kg, 1000 kg
  • Density: Approximately 4.95 g/cm³ (solid)
  • Melting Point: Approximately 450°C
  • Boiling Point: Decomposes above 800°C, yielding barium oxide and oxygen gas
  • Solubility: Slightly soluble in water
  • pH Value: Aqueous solutions are slightly alkaline

Applications:

  • Used as a strong oxidizing agent in the production of barium salts and bleaching agents
  • Incorporated into fireworks to impart a vivid green color upon ignition
  • Historically utilized in the Brin process for oxygen production and as a precursor for hydrogen peroxide synthesis
  • Employed in the manufacturing of certain glass and ceramic products

Hazard Identification:

  • GHS Classification: Oxidizing Solid (Category 2)
  • Hazard Statements:
    • H272: May intensify fire; oxidizer
    • H302: Harmful if swallowed
    • H314: Causes severe skin burns and eye damage
  • Precautionary Statements:
    • P210: Keep away from heat, sparks, open flames, and hot surfaces. No smoking
    • P280: Wear protective gloves, protective clothing, and eye protection
    • P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes

Storage and Safety:

  • Storage Conditions: Store in a cool, dry, well-ventilated area, away from flammable materials and reducing agents
  • Handling: Use appropriate personal protective equipment (gloves, eye protection, protective clothing). Avoid inhalation of dust and contact with skin and eyes
  • Fire Safety: Barium peroxide is a strong oxidizer; mixing it with organic materials can lead to vigorous combustion. In case of fire, use dry chemical extinguishers, dry sand, or alcohol-resistant foam. Do not use water or carbon dioxide extinguishers

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