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Acetylenedicarboxylic acid

  • CAS No:142-45-0 but-2-ynedioic acid
    Molecular Structure

    Other Information

  • CAS Registry Number: 142-45-0
  • Transport: UN 2811
  • Density: 1.699 g/cm3
  • Water Solubility: soluble
  • Safety Statements: R25,R36/37/38,
  • Hazard Symbols: T:Toxic;Xi:Irritant;
  • HS Code: 29171990
  • EINECS: 205-536-0
  • Molecular Weight: 114.05628
  • InchiKey: YTIVTFGABIZHHX-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)
  • Risk Statements: S26,S37/39,S45,
  • Molecular Formula: C4H2O4