4-Hydroxy-6,7-dimethylcoumarin

Names

[ Name ]:
4-Hydroxy-6,7-dimethylcoumarin

[Synonym ]:
6,7-dimethyl-4-hydroxy-2-oxo-2H-1-benzopyran
4-hydroxy-6,7-dimethyl-coumarin
4-hydroxy-6,7-dimethyl-2H-chromen-2-one
6,7-dimethyl-4-hydroxycoumarin
MFCD01457307
4-hydroxy-6,7-dimethyl-chromen-2-one

Chemical & Physical Properties

[ Density]:
1.315 g/cm3

[ Boiling Point ]:
378.1ºC at 760 mmHg

[ Melting Point ]:
248-251ºC(lit.)

[ Molecular Formula ]:
C₁₁H₁₀O₃

[ Molecular Weight ]:
190.19500

[ Flash Point ]:
170.7ºC

[ Exact Mass ]:
190.06300

[ PSA ]:
50.44000

[ LogP ]:
2.11540

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ 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%