90-19-7 3,3,4,5-tetrahydroxy-7-methoxyflavone
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cas

90-19-7 3,3',4',5-tetrahydroxy-7-methoxyflavone

product Name 3,3',4',5-tetrahydroxy-7-methoxyflavone
Synonyms C.I. 75690; Rhamnetin; 2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4H-chromen-4-one
Molecular Formula C16H12O7
Molecular Weight 316.2623
InChI InChI=1/C16H12O7/c1-22-8-5-11(19)13-12(6-8)23-16(15(21)14(13)20)7-2-3-9(17)10(18)4-7/h2-6,17-19,21H,1H3
CAS Registry Number 90-19-7
EINECS 201-974-1
Molecular Structure 90-19-7 3,3',4',5-tetrahydroxy-7-methoxyflavone
Density 1.634g/cm3
Boiling point 627.9°C at 760 mmHg
Refractive index 1.74
Flash point 238.9°C
Vapour Pressur 1.24E-16mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S36/37:;
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