Calcium Peroxide (CaO₂)

  • CAS Number: 1305-79-9
  • EINECS Number: 215-139-8
  • Chemical Formula: CaO₂
  • Molecular Weight: 72.06 g/mol
  • Appearance: White granules or powder
  • Grades: Industrial Grade
  • Packaging Specifications: 25 kg, 500 kg, 1000 kg (bulk packaging also available)
  • Density: 2.93 g/cm³ (solid)
  • Melting Point: 400°C (decomposes)
  • Boiling Point: No clear boiling point (decomposes releasing oxygen)
  • Solubility: Slightly soluble in water
  • pH Value: Alkaline in aqueous solutions

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Applications:

  • Used as an oxidizing agent in industrial chemical reactions, such as water treatment to oxidize harmful substances
  • Applied in wastewater treatment for removing organic pollutants and bacteria
  • Used as a soil conditioner to help break down organic matter and provide oxygen to stimulate microbial activity
  • Employed in the food industry for bleaching and disinfection purposes
  • Used in agriculture as a plant growth stimulant, improving soil quality
  • Applied in the chemical industry for the production of hydrogen peroxide (H₂O₂) and other oxidizing agents

Hazard Identification:

  • GHS Classification: Oxidizing Solid (Category 1)
  • 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. Keep containers tightly closed
  • Handling: Use appropriate personal protective equipment (gloves, eye protection, protective clothing). Avoid inhalation of dust and contact with skin and eyes. Ensure proper ventilation in work areas
  • Fire Safety: Calcium peroxide is a strong oxidizer. Mixing it with combustible materials or reducing agents may cause vigorous combustion. In case of fire, use dry chemical extinguishers, dry sand, or alcohol-resistant foam. Do not use water or carbon dioxide extinguishers

Inspection Report:

Inspection Items Unit Standard Requirements Inspection Results
CaO₂ Content,% % ≥75% 78.08
Moisture,% % ≤2% 0.97
pH(1% suspension) % 11~13 12.08
Bulk Density, g/L % 500-800 92.00
Heavy Metals (calculated as Pb), % % ≤0.002% 0.002
Iron (Fe), % % ≤0.07% 0.07
Conclusion: After inspection, the quality of this batch of products meets the industrial-grade specifications of HG/T 4505-2013.