Coumarandione

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Names

[ CAS No. ]:
4732-72-3

[ Name ]:
Coumarandione

[Synonym ]:
2,3-dihydro-2,3-benzo[b]furandione
3-oxobenzofuran-2-one
2,3-Benzofurandione
Benzofuran-2,3-dione
2,3-benzofuranedione
2,3-dihydrobenzofuran-2,3-dione
benzo[b]furan-2,3-dione
Coumarandione

Chemical & Physical Properties

[ Density]:
1.444g/cm3

[ Boiling Point ]:
278.1ºC at 760 mmHg

[ Melting Point ]:
120ºC

[ Molecular Formula ]:
C8H4O3

[ Molecular Weight ]:
148.11600

[ Flash Point ]:
132.9ºC

[ Exact Mass ]:
148.01600

[ PSA ]:
43.37000

[ LogP ]:
0.78830

[ Index of Refraction ]:
1.612

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (2-hydroxyphenyl)oxoacetic acid
  • isatin
  • Ortho-Hydroxyacetophenone

DownStream

  • benzo[b]furan-3-carbonyl chloride
  • 6-(oxomethylidene)cyclohexa-2,4-dien-1-one
  • cyclopentadienylideneketene
  • Xanthone
  • Coumarone
  • ETHYL 2-(BENZOFURAN-3-YL)ACETATE
  • 2-(Benzofuran-3-yl)acetic acid
  • 1-benzofuran-2,3-dicarboxylic acid