4-Methyl-2(5H)-furanone

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Names

[ CAS No. ]:
6124-79-4

[ Name ]:
4-Methyl-2(5H)-furanone

[Synonym ]:
4-Methyl-5H-furan-2-one
3-methyl-2-buten-4-olide

Chemical & Physical Properties

[ Density]:
1.12 g/cm3

[ Boiling Point ]:
222.4ºC at 760 mmHg

[ Molecular Formula ]:
C5H6O2

[ Molecular Weight ]:
98.09990

[ Flash Point ]:
95 °C

[ Exact Mass ]:
98.03680

[ PSA ]:
26.30000

[ LogP ]:
0.48950

[ Index of Refraction ]:
1.471

MSDS

Click to get detail MSDS

Safety Information

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S36-S37-S39

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Citraconic anhydride
  • METHYLLITHIUM
  • Carbon dioxide
  • 2-[(Trimethylsilyl)methyl]-2-propen-1-yl acetate
  • Methylenecyclopropane
  • 4-(Bromomethyl)furan-2(5H)-one
  • METHYLMAGNESIUM BROMIDE

DownStream

  • (2Z,4Z,6Z,8Z)-4,8,13,17-tetramethyl-11-oxabicyclo[11.4.0]heptadeca-1(17),2,4,6,8-pentaen-10-one

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 3-Chloro-4-methyl-2(5H)-furanone
  • 5-Chloro-4-methyl-2(5H)-furanone
  • 5-Hydroxy-4-methyl-2(5H)-furanone
  • 5-(Allyloxy)-4-methyl-2(5H)-furanone
  • 5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone
  • 5-ethyl-3-hydroxy-4-methyl-2(5H)-furanone
  • 2,3-Dibromo-5-(difluoromethoxy)benzaldehyde
  • 3-(4-Fluoro-3-methoxyphenyl)propanenitrile
  • 5-Fluoropyrimidine-4-carbonitrile
  • 1,2-Dichloro-3-fluoro-4-(fluoromethoxy)benzene
  • 4-Iodo-2-methylbenzo[d]oxazole
  • 2-(Difluoromethyl)-3,6-diiodo-4-methoxypyridine
  • 4-Difluoromethoxy-2-methoxy-6-nitrobenzoic acid
  • 4-(Chloromethyl)-[3,3'-bipyridin]-2-ol
  • 4-bromo-2-(difluoromethyl)-3-iodo-5-methyl-pyridine
  • 2-Formyl-4,5-bis(trifluoromethyl)benzoic acid
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