4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-
Suppliers
Names
[ CAS No. ]:
1244-78-6
[ 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
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%