4-hydroxy-2-oxo-2h-chromene-3-carbaldehyde

Names

[ CAS No. ]:
51751-34-9

[ Name ]:
4-hydroxy-2-oxo-2h-chromene-3-carbaldehyde

[Synonym ]:
4-hydroxy-2-oxo-chromen-3-carbaldehyde
4-hydroxy couMarin-3-carbaldehyde
4-HYDROXY-3-FORMYLCOUMARIN
4-hydroxy-2-oxo-2H-1-benzopyran-3-carboxaldehyde
2H-1-benzopyran-3-carboxaldehyde,4-hydroxy-2-oxo
4-hydroxy-2-oxo-2H-chromen-3-carbaldehyde
4-hydroxycoumarin-3-carboxaldehyde
AURORA KA-4670
4-hydroxy-2-oxo-2H-benzopyran-3-carboxaldehyde

Chemical & Physical Properties

[ Density]:
1.63g/cm3

[ Boiling Point ]:
405.082ºC at 760 mmHg

[ Melting Point ]:
138-140°C (lit.)

[ Molecular Formula ]:
C10H6O4

[ Molecular Weight ]:
190.15200

[ Flash Point ]:
170.059ºC

[ Exact Mass ]:
190.02700

[ PSA ]:
67.51000

[ LogP ]:
1.31110

[ Index of Refraction ]:
1.759

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-Hydroxycoumarin
  • N,N-Dimethylformamide
  • 3-aminomethylene-2H-chroman-2,4-dione
  • Triethyl orthoformate
  • chromone-3-carboxylic acid
  • 4-CHLORO-2-OXO-2H-CHROMENE-3-CARBALDEHYDE

DownStream

  • 4-Hydroxycoumarin
  • [1]Benzopyrano[4,3-c]pyrazol-4(1H)-one, 1-phenyl-

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

  • 6-BROMO-4-HYDROXY-2-OXO-2H-CHROMENE-3-CARBALDEHYDE
  • 6-CHLORO-4-HYDROXY-2-OXO-2H-CHROMENE-3-CARBALDEHYDE
  • 6-FLUORO-4-HYDROXY-2-OXO-2H-CHROMENE-3-CARBALDEHYDE
  • 4-HYDROXY-2-OXO-2H-CHROMENE-3-CARBONITRILE
  • 7-hydroxy-2-oxo-2H-chromene-3-carbaldehyde
  • 6-Bromo-4-hydroxy-2-oxo-2H-chromene-3-carboxylic acid