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pent-2-yne

  • CAS No:627-21-4 pent-2-yne
    Molecular Structure

    Other Information

  • CAS Registry Number: 627-21-4
  • Transport: UN 3295 3
  • Melting Point: −109 °C(lit.)
  • Boiling Point: 56-57 °C(lit.)
  • Density: 0.71 g/mL at 25 °C(lit.)
  • Refractive index: 20/D 1.404(lit.)
  • Safety Statements: A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Solutions with silver perchlorate explode on contact with mercury. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS and ALKYNES.
  • Hazard Symbols: F: Flammable;Xi: Irritant;
  • EINECS: 210-989-2
  • Molecular Weight: 68.11702
  • InchiKey: NKTDTMONXHODTI-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H8/c1-3-5-4-2/h3H2,1-2H3
  • Risk Statements: 11-36/37/38
  • Molecular Formula: C5H8