Sodium Chlorate (NaClO₃)

  • CAS Number: 7775-09-9
  • Chemical Formula: NaClO₃
  • Appearance: White crystalline solid; hygroscopic
  • Purity: ≥99% (Technical Grade)
  • Packaging Specifications: Available in 25kg fiber drums, 50kg steel drums, and 1-ton super sacks. Custom packaging options are available upon request.
  • Density: Approximately 2.49 g/cm³ at 15°C
  • Melting Point: 248-261°C
  • Boiling Point: Decomposes between 300-400°C
  • Solubility: Soluble in water; approximately 79 g/100 mL at 0°C
  • pH Value: Forms a neutral to slightly alkaline solution in water
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Applications:

  • Manufacture of chlorine dioxide for bleaching pulp in the paper industry.
  • Non-selective herbicide for controlling various unwanted plants.
  • Chemical oxygen source in emergency oxygen generators, such as those used in commercial aircraft.
  • Oxidizing agent in organic synthesis for various chemical reactions.
  • Bleaching agent in the paper and textile industries to remove impurities and brighten the final product.

Hazard Identification:

  • GHS Classification: Oxidizing solid; Health hazard
  • Hazard Statements:
    • H271: May cause fire or explosion; strong oxidizer.
    • H314: Causes severe skin burns and eye damage.
  • Precautionary Statements:
    • P210: Keep away from heat, sparks, open flames, and hot surfaces.
    • 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, and well-ventilated area, away from incompatible materials such as flammable substances and reducing agents.
  • Handling: Use appropriate protective equipment, including gloves, goggles, and protective clothing. Avoid inhalation of dust and contact with skin and eyes.
  • Fire Safety: In case of fire, use dry sand, dry chemical, or alcohol-resistant foam. Do not use water or CO₂ extinguishers, as sodium chlorate reacts with water and may produce oxygen, potentially intensifying the fire.

Inspection Report:

Inspection Item Unit Standard Specification Test Result
Sodium Chlorate (on dry basis) % ≥99.5 99.52
Moisture % ≤0.10 0.053
Insoluble Matter % ≤0.10 0.002
Chloride (as Cl) % ≤0.15 0.12
Sulfate (as SO₄) % ≤0.01 0.002
Chromate (as CrO₄) % ≤0.005 0.0006
Iron (Fe) % ≤0.005 0.0004