5,7-bis(1,1-dimethylethyl)-3-phenyl-(3H)-benzofuran-2-one

Suppliers

Names

[ CAS No. ]:
66737-86-8

[ Name ]:
5,7-bis(1,1-dimethylethyl)-3-phenyl-(3H)-benzofuran-2-one

[Synonym ]:
5,7-di-tert-butyl-3-phenyl-2-coumaranone
EINECS 266-468-5
5,7-di-tert-butyl-3-phenyl-3H-benzofuran-2-one

Chemical & Physical Properties

[ Density]:
1.061g/cm3

[ Boiling Point ]:
369.8ºC at 760 mmHg

[ Molecular Formula ]:
C22H26O2

[ Molecular Weight ]:
322.44100

[ Flash Point ]:
154.9ºC

[ Exact Mass ]:
322.19300

[ PSA ]:
26.30000

[ LogP ]:
5.33250

[ Index of Refraction ]:
1.55

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 5,7-ditert-butyl-3-phenyl-1-benzofuran-2-amine
  • 5,7-ditert-butyl-3-hydroxy-3H-1-benzofuran-2-one
  • 2,4-Di-t-butylphenol
  • benzene
  • Benzaldehyde

DownStream

  • (3,5-ditert-butyl-2-hydroxyphenyl)-phenylmethanone

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%