2H-1-BENZOPYRAN-2-ONE, 4-HYDROXY-6-METHOXY-3-METHYL-

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Names

[ CAS No. ]:
22053-42-5

[ Name ]:
2H-1-BENZOPYRAN-2-ONE, 4-HYDROXY-6-METHOXY-3-METHYL-

[Synonym ]:
2H-1-Benzopyran-2-one,4-hydroxy-6-methoxy-3-methyl
4-Hydroxy-6-methoxy-3-methyl-2H-1-Benzopyran-2-one
4-hydroxy-6-methoxy-3-methyl-coumarin
4-HYDROXY-6-METHOXY-3-METHYL-CHROMEN-2-ONE
4-hydroxy-6-methoxy-3-methyl-2H-chromen-2-one
4-Hydroxy-6-methoxy-3-methyl-cumarin
Coumarin,4-hydroxy-6-methoxy-3-methyl-(6CI,8CI)

Chemical & Physical Properties

[ Density]:
1.338g/cm3

[ Boiling Point ]:
402ºC at 760 mmHg

[ Molecular Formula ]:
C11H10O4

[ Molecular Weight ]:
206.19500

[ Flash Point ]:
162.9ºC

[ Exact Mass ]:
206.05800

[ PSA ]:
59.67000

[ LogP ]:
1.81560

[ Vapour Pressure ]:
3.48E-07mmHg at 25°C

[ Index of Refraction ]:
1.6

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methyl 2-hydroxy-5-methoxybenzoate
  • 2-methylpropanedioyl dichloride
  • 1,4-Dimethoxybenzene
  • Aluminium chloride

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%