4-(4-carboxy-2,3,5,6-tetrafluoro-phenyl)-2,3,5,6-tetrafluoro-benzoic acid

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Names

[ CAS No. ]:
5216-23-9

[ Name ]:
4-(4-carboxy-2,3,5,6-tetrafluoro-phenyl)-2,3,5,6-tetrafluoro-benzoic acid

[Synonym ]:
2,2',3,3',5,5',6,6'-octafluorobiphenyl-4,4'-dicarboxylic acid

Chemical & Physical Properties

[ Density]:
1.809g/cm3

[ Boiling Point ]:
393.8ºC at 760 mmHg

[ Molecular Formula ]:
C14H2F8O4

[ Molecular Weight ]:
386.15100

[ Flash Point ]:
192ºC

[ Exact Mass ]:
385.98300

[ PSA ]:
74.60000

[ LogP ]:
3.86280

[ Index of Refraction ]:
1.517

Safety Information

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,2',3,3',5,5',6,6'-OCTAFLUORO-4,4'-BIPHENYLDICARBONITRILE
  • 2,3,5,6-Tetrafluorobenzonitrile
  • 2,3,5,6-tetrafluoro-4-iodo-benzonitrile
  • Carbon dioxide
  • 1,1'-Biphenyl,2,2',3,3',5,5',6,6'-octafluoro-

DownStream

Customs

[ HS Code ]: 2917399090

[ Summary ]:
2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%