Cas no 5729-47-5 (2-Pentenal, 4-oxo-)

2-Pentenal, 4-oxo- structure
2-Pentenal, 4-oxo- structure
Product Name:2-Pentenal, 4-oxo-
CAS No:5729-47-5
MF:C5H6O2
MW:98.0999417304993
CID:373730
PubChem ID:6433447
Update Time:2025-04-19

2-Pentenal, 4-oxo- Chemical and Physical Properties

Names and Identifiers

    • 2-Pentenal, 4-oxo-
    • 4-KETO-2-PENTENAL
    • acetylacrolein
    • 5729-47-5
    • (E)-4-oxopent-2-enal
    • GBLMMVFQENXAFZ-NSCUHMNNSA-N
    • 4-Ketopentenal
    • 4-oxo-2-pentenal
    • 3-Acetylacrolein
    • Inchi: 1S/C5H6O2/c1-5(7)3-2-4-6/h2-4H,1H3/b3-2+
    • InChI Key: GBLMMVFQENXAFZ-NSCUHMNNSA-N
    • SMILES: O=C(/C=C/C=O)C

Computed Properties

  • Exact Mass: 98.03678
  • Monoisotopic Mass: 98.036779
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 7
  • Rotatable Bond Count: 2
  • Complexity: 103
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 1
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 34.1
  • XLogP3: -0.3

Experimental Properties

  • Density: 0.989
  • Boiling Point: 199.5°C at 760 mmHg
  • Flash Point: 70.5°C
  • Refractive Index: 1.427
  • PSA: 34.14
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