3',4',7,8-Tetramethoxyflavone

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Names

[ CAS No. ]:
65548-55-2

[ Name ]:
3',4',7,8-Tetramethoxyflavone

[Synonym ]:
7,8,3',4'-Tetramethoxy-flavon
MFCD00143001
3',4',7,8-Tetramethoxyflavone

Chemical & Physical Properties

[ Density]:
1.243g/cm3

[ Boiling Point ]:
512.1ºC at 760 mmHg

[ Melting Point ]:
206-208ºC

[ Molecular Formula ]:
C₁₉H₁₈O₆

[ Molecular Weight ]:
342.34

[ Flash Point ]:
226.3ºC

[ Exact Mass ]:
342.11000

[ PSA ]:
67.13000

[ LogP ]:
3.49440

[ Index of Refraction ]:
1.574

[ Storage condition ]:
2-8°C

Safety Information

[ Hazard Codes ]:
T

[ Risk Phrases ]:
25

[ Safety Phrases ]:
S22-S24/25

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

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%