Cas no 764-40-9 (2,4-Pentadienal)

2,4-Pentadienal structure
2,4-Pentadienal structure
Product Name:2,4-Pentadienal
CAS No:764-40-9
MF:C5H6O
MW:82.1005415916443
CID:569465
PubChem ID:5356697
Update Time:2025-04-19

2,4-Pentadienal Chemical and Physical Properties

Names and Identifiers

    • 2,4-Pentadienal
    • 1,3-Pentadiene-5-one
    • penta-2,4-dienal
    • (2Z)-penta-2,4-dienal
    • 1,3-Pentadien-5-al
    • FEMA No. 3217
    • NSC 65074
    • Inchi: 1S/C5H6O/c1-2-3-4-5-6/h2-5H,1H2/b4-3-
    • InChI Key: PPXGQLMPUIVFRE-ARJAWSKDSA-N
    • SMILES: O=C/C=C\C=C

Computed Properties

  • Exact Mass: 82.04188
  • Monoisotopic Mass: 82.042
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 6
  • Rotatable Bond Count: 2
  • Complexity: 72
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 1
  • Topological Polar Surface Area: 17.1A^2
  • XLogP3: 1

Experimental Properties

  • Color/Form: Colorless liquid, aroma of fruit
  • Density: 0.845 g/cm3
  • Boiling Point: 128.7oC at 760 mmHg
  • Flash Point: 44.4oC
  • Refractive Index: 1.431
  • PSA: 17.07
  • LogP: 0.92750
  • FEMA: 3217 | 2,4-PENTADIENAL
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