5,7,3',4',5'-Pentamethoxyflavone
Suppliers
Names
[ CAS No. ]:
53350-26-8
[ Name ]:
5,7,3',4',5'-Pentamethoxyflavone
[Synonym ]:
5,7-dimethoxy-2-(3,4,5-trimethoxyphenyl)chromen-4-one
Chemical & Physical Properties
[ Density]:
1.244g/cm3
[ Boiling Point ]:
554.4ºC at 760mmHg
[ Melting Point ]:
198-200ºC
[ Molecular Formula ]:
C20H20O7
[ Molecular Weight ]:
372.36900
[ Flash Point ]:
243.5ºC
[ Exact Mass ]:
372.12100
[ PSA ]:
76.36000
[ LogP ]:
3.50300
[ Index of Refraction ]:
1.565
[ Storage condition ]:
2-8°C
Safety Information
[ Safety Phrases ]:
S22-S24/25
[ 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%