4,6-Dihydroxy-2H-1-benzopyran-2-one

Names

[ Name ]:
4,6-Dihydroxy-2H-1-benzopyran-2-one

[Synonym ]:
2,6-dihydroxychromen-4-one
4,6-dihydroxy-coumarin
4,6-Dihydroxy-cumarin
4,6-dihydroxy-chromen-2-one
4,6-Dihydroxy-2H-1-benzopyran-2-one
4,6-Dihydroxycoumarin

Chemical & Physical Properties

[ Density]:
1.612±0.06 g/cm3

[ Melting Point ]:
268-270 ºC (acetone water )

[ Molecular Formula ]:
C₉H₆O₄

[ Molecular Weight ]:
178.14200

[ Exact Mass ]:
178.02700

[ PSA ]:
70.67000

[ LogP ]:
1.20420

[ Water Solubility ]:
Slightly soluble (6.4 g/L) (25 ºC)

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail 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%