3,3',4',5,7-pentahydroxyflavone

product Name 3,3',4',5,7-pentahydroxyflavone Synonyms C.I. 75670; C.I. Natural Yellow 10; Quercetin; 3,3,4,5,7-Pentahydroxyflavone (pract); 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one; 3-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one Molecular Formula C15H10O6 Molecular Weight 286.2363 InChI InChI=1/C15H10O6/c16-8-4-12(19)14-13(5-8)21-6-9(15(14)20)7-1-2-10(17)11(18)3-7/h1-6,16-19H CAS Registry Number 117-39-5 EINECS 204-187-1 Molecular Structure Density 1.654g/cm3 Melting point 314-317℃ Boiling point 616.1°C at 760 mmHg Refractive index 1.767 Flash point 239.5°C Water solubility <0.1 g/100 mL at 21℃ Hazard Symbols  T:Toxic; Risk Codes R25:Toxic if swallowed.; R40:Possible risks of irreversible effects.; Safety Description S28:After contact with skin, wash immediately with plenty of ...; S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;

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