Luteolin

CAS	491-70-3
Structure
Synonyms	3',4',5,7-Tetrahydroxyflavone
IUPAC Name	2-(3,4-Dihydroxyphenyl)-5,7-dihydroxychromen-4-one
Molecular Weight	286.24
Molecular Formula	C15H10O6
Canonical SMILES	C1=CC(=C(C=C1C2=CC(=O)C3=C(C=C(C=C3O2)O)O)O)O
InChI	InChI=1S/C15H10O6/c16-8-4-11(19)15-12(20)6-13(21-14(15)5-8)7-1-2-9(17)10(18)3-7/h1-6,16-19H
InChI Key	IQPNAANSBPBGFQ-UHFFFAOYSA-N
Boiling Point	348.61 °C
Melting Point	330 °C(lit.)
Flash Point	239.5 °C
Purity	98%
Density	1.2981 g/cm³
Refractive Index	1.4413
pKa	6.50±0.40(Predicted)
Appearance	Yellow powder