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1821-20-1

1821-20-1 structure
1821-20-1 structure

Name ethyl 4-hydroxy-2-oxochromene-3-carboxylate
Synonyms ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate
3-ethoxycarbonyl-4-hydroxycoumarin
4-hydroxy-2-oxo-2H-chromene-3-carboxylic acid ethyl ester
3-carbethoxy-4-hydroxy-coumarin
Density 1.41g/cm3
Boiling Point 370.9ºC at 760 mmHg
Molecular Formula C12H10O5
Molecular Weight 234.20500
Flash Point 144.2ºC
Exact Mass 234.05300
PSA 76.74000
LogP 1.67530
Vapour Pressure 3.71E-06mmHg at 25°C
Index of Refraction 1.603
HS Code 2932209090
HS Code 2932209090
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%