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
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2932209090
[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%