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The physical and chemical property of 117-39-5 is provided by ChemNet.com
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   ChemNet > CAS > 117-39-5 3,3',4',5,7-pentahydroxyflavone

117-39-5 3,3',4',5,7-pentahydroxyflavone

?????? ?? ??? 3,3',4',5,7-pentahydroxyflavone
???????? ??? 3,3',4',5,7-pentahydroxyflavone;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
????? ???????? C15H10O6
?????? ??? 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
??? ??????? ?????? 117-39-5
EINECS 204-187-1
????? ?????? 117-39-5 3,3',4',5,7-pentahydroxyflavone
????? 1.654g/cm3
?????? 314-317℃
????? ?? ??? 616.1°C at 760 mmHg
??????? ??????? 1.767
????? ??????? 239.5°C
???? ?? ??????? <0.1 g/100 mL at 21℃
????? ?? ???? 9.03E-16mmHg at 25°C
???? ??????  T:Toxic;
???? ?? ??? R25:Toxic if swallowed.;
R40:Possible risks of irreversible effects.;
??????? ????? 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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