C2H5CH=C=O

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Names

[ CAS No. ]:
20334-52-5

[ Name ]:
C2H5CH=C=O

[Synonym ]:
1-Buten-1-one
Aethylketen
C2H5CH=C=O
But-1-en-1-on
ethyl ketene

Chemical & Physical Properties

[ Density]:
0.774g/cm3

[ Boiling Point ]:
28ºC at 760 mmHg

[ Molecular Formula ]:
C4H6O

[ Molecular Weight ]:
70.08980

[ Exact Mass ]:
70.04190

[ PSA ]:
17.07000

[ LogP ]:
0.78420

[ Vapour Pressure ]:
680mmHg at 25°C

[ Index of Refraction ]:
1.375

Safety Information

[ HS Code ]:
2914190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-bromobutyryl chloride
  • Butyryl chloride
  • Butyric Acid
  • 2-Bromobutanoyl bromide
  • Methyl butyrate
  • ethyl butanoate
  • Crotonaldehyde
  • Diethyl ether

DownStream

  • Butyric Acid
  • Ethylmalonoyl dichloride

Customs

[ HS Code ]: 2914190090

[ Summary ]:
2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Related Compounds

  • 3-Cyclopropoxy-5-fluoropicolinaldehyde
  • 3-Cyclopropoxy-5-(dimethylamino)picolinaldehyde
  • 5-Amino-4-cyclopropoxypicolinaldehyde
  • 5-Tert-butoxy-4-cyclopropoxypicolinaldehyde
  • 5-Cyclopropoxy-2-formyl-N,N-dimethylisonicotinamide
  • 5-Cyclopropoxy-4-(trifluoromethyl)picolinaldehyde
  • 3-Amino-3-(4-methoxynaphthalen-1-yl)propan-1-ol
  • 5-Cyclopropoxy-2-formylpyridine-4-sulfonamide
  • 2-(Chloromethyl)-5-hydroxy-1-phenylpyridin-4(1H)-one
  • N-(5-Cyclopropoxy-2-formylpyridin-4-YL)methanesulfonamide
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