Curcumin

CAS	458-37-7
Structure
Synonyms	Diferulylmethane
IUPAC Name	(1E,6E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione
Molecular Weight	368.38
Molecular Formula	C21H20O6
Canonical SMILES	COC1=C(C=CC(=C1)C=CC(=O)CC(=O)C=CC2=CC(=C(C=C2)O)OC)O
InChI	InChI=1S/C21H20O6/c1-26-20-11-14(5-9-18(20)24)3-7-16(22)13-17(23)8-4-15-6-10-19(25)21(12-15)27-2/h3-12,24-25H,13H2,1-2H3/b7-3+,8-4+
InChI Key	VFLDPWHFBUODDF-FCXRPNKRSA-N
Boiling Point	418.73 °C
Melting Point	183 °C
Flash Point	208.9±23.6 °C
Purity	98%
Density	0.93 g/cm³
Refractive Index	1.4155-1.4175
pKa	8.09(at 25 °C)
Solubility in Water	Slightly
Appearance	Solid