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

  • 4' 6'-DIMETHOXY-2'-HYDROXY-2-PHENYLACET&
  • 4-hydroxy-5,7-dimethoxy-3-phenylchromen-2-one
  • 2',4',6'-Trihydroxy-2-phenylacetophenone
  • Methyl chloroformate

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%


Related Compounds

  • 4,5,7-trihydroxy-3-(4-methoxyphenyl)chromen-2-one
  • 3-(anilinomethylidene)-5,7-dihydroxychromene-2,4-dione
  • 4-hydroxy-5,7-dimethoxy-3-phenylchromen-2-one
  • 4,5,7,7-tetramethyl-3H-pyrano[2,3-d]pyrimidin-2-one
  • 4-Phenyl-5,7-dihydroxy-6-(3-methylbutanoyl)-8-(3-methyl-2-butenyl)-2H-1-benzopyran-2-one
  • 4,7-DIHYDROXY-3-PHENYLCOUMARIN