1,2-Pentadiene-4-one

Names

[ CAS No. ]:
2200-53-5

[ Name ]:
1,2-Pentadiene-4-one

[Synonym ]:
3,4-Pentadien-2-one
allenyl methyl ketone
pentadienone
1,2-Pentadiene-4-one
penta-3,4-diene-2-one
acetylallene

Chemical & Physical Properties

[ Density]:
0.805

[ Boiling Point ]:
126ºC

[ Molecular Formula ]:
C5H6O

[ Molecular Weight ]:
82.10050

[ Flash Point ]:
26ºC

[ Exact Mass ]:
82.04190

[ PSA ]:
17.07000

[ LogP ]:
0.91650

Safety Information

[ Hazard Codes ]:
Xn

[ HS Code ]:
2914190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-bromo-pent-3-en-2-one
  • Trimethyl(2-propyn-1-yl)silane
  • Acetyl chloride
  • 2,3-Pentanedione
  • (+)-(S)-tert-butyl 2-(1-(ethoxycarbonyl)prop-2-en-2-yl)-2,3-dihydro-5,6-dimethoxy-1-oxo-1H-indene-2-carboxylate
  • pent-4-yn-2-one
  • 3-(triphenyl-λ5-phosphanylidene)pentane-2,4-dione
  • penta-3,4-dien-2-ol
  • 4-trimethylsilylpent-3-en-2-one
  • 2,4-Pentandione

DownStream

  • 1H-Pyrrole-1-ethanol,2-methyl-(9CI)
  • 4-chloropent-4-en-2-one
  • penta-3,4-dien-2-ol
  • 2-anilino-4-oxochromene-3-carbaldehyde

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%