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Acetylenedicarboxamide

  • CAS No:543-21-5 but-2-ynediamide
    Molecular Structure

    Other Information

  • CAS Registry Number: 543-21-5
  • Melting Point: 179 °C
  • Flash Point: 131.6°C
  • Boiling Point: 294°Cat760mmHg
  • Density: 1.41g/cm3
  • Safety Statements: Poison by ingestion and intravenous routes. Moderately toxic by skin contact. When heated to decomposition it emits toxic fumes of NOx. See also ACETYLENE COMPOUNDS and ALKYNES.
  • Hazard Symbols: T
  • Flash Point: 131.6°C
  • EINECS: 200-816-9
  • Molecular Weight: 112.08676
  • InchiKey: JBTGHKUTYAMZEZ-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H4N2O2/c5-3(7)1-2-4(6)8/h(H2,5,7)(H2,6,8)
  • Risk Statements: 25-21
  • Molecular Formula: C4H4N2O2