4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-

Names

[ Name ]:
4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-

[Synonym ]:
2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxychromen-4-one
3-hydroxy-3',4',5,7-tetramethoxyflavone
5,7,3',4'-tetra-O-methylquercetin

Chemical & Physical Properties

[ Density]:
1.325g/cm3

[ Boiling Point ]:
550.9ºC at 760mmHg

[ Melting Point ]:
195.6 °C

[ Molecular Formula ]:
C₁₉H₁₈O₇

[ Molecular Weight ]:
358.34200

[ Flash Point ]:
198.3ºC

[ Exact Mass ]:
358.10500

[ PSA ]:
87.36000

[ LogP ]:
3.20000

[ Vapour Pressure ]:
5.7E-13mmHg at 25°C

[ Index of Refraction ]:
1.6

Safety Information

[ Hazard Codes ]:
Xn

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2914509090

[ Summary ]:
HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%