Cas no 20334-52-5 (1-Buten-1-one (9CI))

1-Buten-1-one (9CI) structure
1-Buten-1-one (9CI) structure
Product Name:1-Buten-1-one (9CI)
CAS No:20334-52-5
MF:C4H6O
MW:70.0898413658142
CID:285971
PubChem ID:140674
Update Time:2025-04-19

1-Buten-1-one (9CI) Chemical and Physical Properties

Names and Identifiers

    • 1-Buten-1-one (9CI)
    • but-1-en-1-one
    • 1-buten-1-one
    • Ethylketene
    • DTXSID90174244
    • InChI=1/C4H6O/c1-2-3-4-5/h3H,2H2,1H
    • C2H5CH=C=O
    • 20334-52-5
    • Inchi: 1S/C4H6O/c1-2-3-4-5/h3H,2H2,1H3
    • InChI Key: JSEMCPMTAXQTJN-UHFFFAOYSA-N
    • SMILES: O=C=CCC

Computed Properties

  • Exact Mass: 70.04188
  • Monoisotopic Mass: 70.042
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 5
  • Rotatable Bond Count: 1
  • Complexity: 50.7
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 1.5
  • Topological Polar Surface Area: 17.1?2

Experimental Properties

  • Density: 0.774
  • Boiling Point: 28°C at 760 mmHg
  • Refractive Index: 1.375
  • PSA: 17.07

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