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Potassium Metal (K)

  • CAS Number: 7440-09-7
  • EINECS Number: 231-119-8
  • Chemical Formula: K
  • Molecular Weight: 39.10 g/mol
  • Appearance: Soft, silvery-white metal
  • Purity: 99.5% (common commercial grade)
  • Grade: Industrial Grade
  • Packaging Specifications: Typically packaged in 5 kg, 25 kg, or 50 kg metal containers, submerged in mineral oil or kerosene to prevent oxidation and moisture absorption.
  • Density: 0.86 g/cm³
  • Melting Point: 63.5°C
  • Boiling Point: 759°C
  • Solubility: Reacts violently with water
  • pH Value: Strongly basic when dissolved in water

Applications:

  • Used as a reducing agent in chemical synthesis and metallurgical processes.
  • Serves as a heat transfer medium in specialized industrial applications.
  • Employed in the production of potassium superoxide (KO₂), which is utilized in respiratory equipment to generate oxygen.

Hazard Identification:

  • GHS Classification: Substances which, in contact with water, emit flammable gases; Causes severe skin burns and eye damage
  • Hazard Statements:
    • H260: In contact with water releases flammable gases which may ignite spontaneously.
    • H314: Causes severe skin burns and eye damage.
  • Precautionary Statements:
    • P223: Keep away from any possible contact with water, because of violent reaction and possible flash fire.
    • P231+P232: Handle under inert gas. Protect from moisture.
    • P280: Wear protective gloves, protective clothing, eye protection, and face protection.
    • P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
    • P303+P361+P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
    • P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
    • P402+P404: Store in a dry place. Store in a closed container.

Storage and Safety:

  • Storage Conditions: Store in a cool, dry, and well-ventilated area, away from moisture and incompatible materials. Use specialized containers to prevent contact with air and water.
  • Moisture Sensitivity: Highly sensitive to moisture; must be kept sealed to prevent contact with water.
  • Handling: Use appropriate protective equipment (gloves, goggles, protective clothing). Avoid contact with air and water.
  • Fire Safety: In case of fire, use dry sand, dry powder, or fire blanket to extinguish. Do not use water to extinguish potassium fires.

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2025-03-09 22:11:42
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