2H-1-Benzopyran-2-one,7,8-bis(acetyloxy)-

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Names

[ CAS No. ]:
21784-71-4

[ Name ]:
2H-1-Benzopyran-2-one,7,8-bis(acetyloxy)-

[Synonym ]:
Diacetyl-daphnetin
Daphnetindiacetat
7,8-diacetoxy-chromen-2-one
7,8-Diacetoxy-cumarin
7,8-diacetoxy-coumarin
DAPHNETIN DIACETATE
7,8-diacetoxy-4-methylcoumarin

Chemical & Physical Properties

[ Density]:
1.363g/cm3

[ Boiling Point ]:
445.7ºC at 760mmHg

[ Molecular Formula ]:
C13H10O6

[ Molecular Weight ]:
262.21500

[ Flash Point ]:
201.5ºC

[ Exact Mass ]:
262.04800

[ PSA ]:
82.81000

[ LogP ]:
1.64360

[ Vapour Pressure ]:
3.86E-08mmHg at 25°C

[ Index of Refraction ]:
1.562

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethanoic anhydride
  • Acetyl chloride
  • Daphnetin

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%

Related Compounds

  • 2H-1-Benzopyran-2-one,7,8-dihydroxy-5-methoxy-(9CI)
  • 2H-1-Benzopyran-2-one,7,8-dihydroxy-4-methoxy-(9CI)
  • 2H-1-Benzopyran-2-one,7,8-dihydroxy-3-methoxy-(9CI)
  • (5-acetyloxy-2-oxo-4-propylchromen-7-yl) acetate
  • [5-acetyloxy-4-(1-acetyloxypropyl)-2-oxochromen-7-yl] acetate
  • [4-(5,7-diacetyloxy-2-oxochromen-4-yl)phenyl] acetate