Retusin
Suppliers
Names
[ CAS No. ]:
1245-15-4
[ Name ]:
Retusin
[Synonym ]:
RETUSIN
Einecs 214-991-4
5-Hydroxy-3,3',4',7-tetramethoxyflavone
3,3',4',7-tetramethoxy-5-hydroxyflavone
QUERCETINTETRAMETHYLETHER
3,7,3',4'-Tetra-O-methylquercetin
3,7,3',4'-Tetra-O-methylguercetin
Chemical & Physical Properties
[ Density]:
1.36g/cm3
[ Boiling Point ]:
569.2ºC at 760mmHg
[ Melting Point ]:
156-161ºC
[ Molecular Formula ]:
C19H18O7
[ Molecular Weight ]:
358.34200
[ Flash Point ]:
205.6ºC
[ Exact Mass ]:
358.10500
[ PSA ]:
87.36000
[ LogP ]:
3.20000
[ Vapour Pressure ]:
1.48E-13mmHg at 25°C
[ Index of Refraction ]:
1.617
Safety Information
[ 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%