4,8-Dimethyl-7-hydroxycoumarin

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Names

[ CAS No. ]:
4115-76-8

[ Name ]:
4,8-Dimethyl-7-hydroxycoumarin

[Synonym ]:
4,8-dimethyl-7-hydroxy-2H-1-benzopyran-2-one
7-Hydroxy-4,8-dimethylcoumarin
4,8-Dimethyl-7-hydroxycoumarin
7-hydroxy-4,8-dimethyl-2H-1-benzopyran-2-one
4,8-Dimethylumbelliferone
7-Hydroxy-4,8-dimethyl-2H-chromen-2-one
Coumarin, 7-hydroxy-4,8-dimethyl-
2H-1-Benzopyran-2-one, 7-hydroxy-4,8-dimethyl-

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
375.0±42.0 °C at 760 mmHg

[ Molecular Formula ]:
C11H10O3

[ Molecular Weight ]:
190.195

[ Flash Point ]:
169.1±20.7 °C

[ Exact Mass ]:
190.062988

[ PSA ]:
50.44000

[ LogP ]:
2.83

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.599

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Precursor & DownStream

Precursor

  • 2-methylresorcinol
  • Ethyl acetoacetate
  • Methyl acetoacetate
  • Orcinol
  • 4μ8C
  • 4-Methylumbelliferone
  • methyl iodide
  • Sulfuric acid

DownStream

  • 4,11-dimethyl-[1]benzofuro[3,2-g]chromen-2-one
  • Trioxsalen
  • 7-methoxy-4,8-dimethylchromen-2-one
  • 2,5,9-trimethyl-2,3-dihydrofuro[3,2-g]chromen-7-one
  • 7-(2-chloroprop-2-enoxy)-4,8-dimethylchromen-2-one
  • 2H-1-Benzopyran-2-one,4,8-dimethyl-7-(2-propen-1-yloxy)-

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

  • 6-nitro-4,8-dimethyl-7-hydroxycoumarin
  • 4,8-dimethyl-6-allyl-7-hydroxycoumarin
  • 4,8-dimethyl-7-(2'-oxocyclohexyloxy)coumarin
  • 4,8-dimethyl-7-(((1-methylpiperidin-4-ylidene)amino)oxy)-2H-chromen-2-one hydrochloride
  • 4,8-dimethyl-7-oxononanoic acid
  • 4,8-dimethyl-7-[(β-bromoallyl)oxy]coumarin