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

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Names

[ CAS No. ]:
30992-75-7

[ 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

  • 2H-1-BENZOPYRAN-2-ONE, 4-HYDROXY-6-METHOXY-
  • 3-benzyl-4-hydroxy-6-methoxy-coumarin
  • Mequinol
  • 1,4-Dimethoxybenzene

DownStream

  • 2-(5-Hydroxybenzo[d]isoxazol-3-yl)acetic Acid
  • 1-(2,5-Dihydroxyphenyl)ethanone oxime

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

  • 4,6-Dihydroxy-3-[1-(4-nitrophenyl)-3-oxobutyl]-2H-1-benzopyran-2-one
  • 6-Hydroxywarfarin-d5
  • 4,6-Dimethoxy-2H-1-benzopyran-2-one
  • 4,6,7-Trihydroxy-5-benzofuranacrylic acid delta-lactone
  • 4,6-dimethoxy-3-(1-phenylpropyl)chromen-2-one
  • 4,6-DIMETHYL-3-PHENYLCOUMARIN