4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2S)-

Molecular Structure of Eriodictyol (CAS NO.552-58-9):

IUPAC Name: (2S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-2,3-dihydrochromen-4-one 
Molecular Formula: C₁₅H₁₂O₆
Molecular Weight: 288.25
EINECS: 209-016-4 
Melting Point: 270 °C
Index of Refraction: 1.724
Molar Refractivity: 72.13 cm³
Molar Volume: 181.7 cm³
Surface Tension: 84.3 dyne/cm
Density: 1.586 g/cm³
Flash Point: 241.9 °C
Enthalpy of Vaporization: 95.95 kJ/mol
Boiling Point: 625.2 °C at 760 mmHg
Vapour Pressure: 3.19E-16 mmHg at 25 °C
Product Categories: Flavanones
Canonical SMILES: C1C(OC2=CC(=CC(=C2C1=O)O)O)C3=CC(=C(C=C3)O)O
Isomeric SMILES: C1[C@H](OC2=CC(=CC(=C2C1=O)O)O)C3=CC(=C(C=C3)O)O
InChI: InChI=1S/C15H12O6/c16-8-4-11(19)15-12(20)6-13(21-14(15)5-8)7-1-2-9(17)10(18)3-7/h1-5,13,16-19H,6H2/t13-/m0/s1
InChIKey: SBHXYTNGIZCORC-ZDUSSCGKSA-N

Safety Information of Eriodictyol (CAS NO.552-58-9):
Hazard Codes:Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3

 Eriodictyol (CAS NO.552-58-9), its Synonyms are Eriodictiol ; (S)-2-(3,4-Dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-4-benzopyrone ; 3',4',5,7-Tetrahydroxyflavanone ; 4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2S)- ; 4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (S)- ; Eriodictyol (6CI) ; Flavanone, 3',4',5,7-tetrahydroxy- (7CI,8CI) ; (+)-Eriodictyol ; (2S)-Eriodictyol ; Huazhongilexone . Eriodictyol is a bitter-masking flavanone, a flavonoid extracted from Yerba Santa (Eriodictyon californicum), a plant native to North America.