product Name：diketene
  • diketen; Ketenedimer,99%; Ketene Dimer; DK; Acetyl ketene; 4-Methylene-2-oxetanone; But-3-en-3-olide; 4-methylideneoxetan-2-one; but-1-ene-1,3-dione
  • 674-82-8
  • 211-617-1
  • C4H4O2
  • 84.0734
  • InChI=1/C4H4O2/c1-4(6)2-3-5/h2H,1H3
  • diketene 674-82-8
  • 0.959g/cm3
  • -7.5℃
  • 106.6°C at 760 mmHg
  • 1.39
  • 16.8°C
  • 28mmHg at 25°C
  •  Xn:Harmful;
  • R10:;
    R20:;
  • S3:;