Quercetin 3,5,7,3,4-pentamethyl ether
Suppliers
Names
[ CAS No. ]:
1247-97-8
[ Name ]:
Quercetin 3,5,7,3,4-pentamethyl ether
[Synonym ]:
Pentamethoxyquercetin
Pentamethylquercetin
quercetin 3,5,7,3',4'-pentamethyl ether
quercetin pentamethyl ether
Penta-O-methylquercitin
Quercetin-3,5,7,3',4'-pentamethylether
Chemical & Physical Properties
[ Density]:
1.29 g/cm3
[ Boiling Point ]:
561.9ºC at 760 mmHg
[ Melting Point ]:
152-156ºC
[ Molecular Formula ]:
C20H20O7
[ Molecular Weight ]:
372.36900
[ Flash Point ]:
246.9ºC
[ Exact Mass ]:
372.12100
[ PSA ]:
76.36000
[ LogP ]:
3.50300
[ Vapour Pressure ]:
1.18E-12mmHg at 25°C
[ Index of Refraction ]:
1.588
Safety Information
[ Hazard Codes ]:
Xi
[ HS Code ]:
2914509090
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%