CH3CH=C=C=O

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Names

[ CAS No. ]:
78957-08-1

[ Name ]:
CH3CH=C=C=O

[Synonym ]:
1,2-Butadienone
1,2-BUTADIEN-1-ONE
Ethylideneketene
CH3CH=C=C=O

Chemical & Physical Properties

[ Density]:
0.763g/cm3

[ Boiling Point ]:
60.7ºC at 760 mmHg

[ Molecular Formula ]:
C4H4O

[ Molecular Weight ]:
68.07400

[ Exact Mass ]:
68.02620

[ PSA ]:
17.07000

[ LogP ]:
0.54920

[ Index of Refraction ]:
1.381

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 5-ethylidene Meldrum's acid
  • crotonic-trifluoracetic anhydride

DownStream

Related Compounds

  • 2-(4-Bromo-6-cyano-5-(difluoromethyl)pyridin-3-yl)acetic acid
  • 4-(Difluoromethyl)-5-methyl-2-nitropyridine
  • 2-(4-(Difluoromethyl)-5-hydroxy-2-(trifluoromethyl)pyridin-3-yl)acetonitrile
  • 2-(4-(Difluoromethyl)-5-hydroxy-2-nitropyridin-3-yl)acetonitrile
  • 4-(Difluoromethyl)-5-iodo-2-methoxynicotinamide
  • 2-(4-Bromo-3-(difluoromethyl)pyridin-2-yl)acetonitrile
  • 4-(Difluoromethyl)-6-(hydroxymethyl)-5-(trifluoromethyl)pyridin-2-ol
  • 5-(Aminomethyl)-2-(difluoromethyl)pyridin-4-amine
  • (4-(Difluoromethyl)-5-methoxy-3-nitropyridin-2-yl)methanol
  • 4-(Difluoromethyl)-6-hydroxy-3-methylpicolinic acid