4,5,7-trihydroxy-3-phenylchromen-2-one
Names
[ CAS No. ]:
4222-02-0
[ Name ]:
4,5,7-trihydroxy-3-phenylchromen-2-one
[Synonym ]:
4,5,7-Trihydroxy-3-phenyl-coumarin
4,5,7-trihydroxy-3-phenyl-chromen-2-one
2,5,7-trihydroxy-3-phenylchromen-4-one
Coumarin,4,5,7-trihydroxy-3-phenyl
4,5,7-Trihydroxy-3-phenyl-cumarin
Chemical & Physical Properties
[ Density]:
1.579g/cm3
[ Boiling Point ]:
591ºC at 760mmHg
[ Melting Point ]:
268-272ºC
[ Molecular Formula ]:
C15H10O5
[ Molecular Weight ]:
270.23700
[ Flash Point ]:
231.2ºC
[ Exact Mass ]:
270.05300
[ PSA ]:
90.90000
[ LogP ]:
2.57680
[ Index of Refraction ]:
1.748
MSDS
Safety Information
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
26
[ HS Code ]:
2932209090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2932209090
[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%