1,4-Benzenedicarbonyl difluoride (9CI)

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Names

[ CAS No. ]:
1978-21-8

[ Name ]:
1,4-Benzenedicarbonyl difluoride (9CI)

[Synonym ]:
1,4-benzenedicarbonyl difluoride
1,4-Di-formylfluorid-benzol
terephthaloyl fluoride
Terephthaloylfluorid
Terephthaloyl difluoride
Terephthalsaeure-difluorid
Terephtalsaeurefluorid

Chemical & Physical Properties

[ Molecular Formula ]:
C8H4F2O2

[ Molecular Weight ]:
170.11300

[ Exact Mass ]:
170.01800

[ PSA ]:
34.14000

[ LogP ]:
1.90600

Safety Information

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • DMT
  • Terephthalic acid
  • carbon monoxide
  • 1,4-Dibromobenzene

DownStream

  • Methyl 4-(1,3-benzothiazol-2-yl)benzoate

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%

Related Compounds

  • 1,3-Benzenedicarbonyl difluoride (9CI)
  • 1,2-Benzenedicarbonyl difluoride (9CI)
  • 2,3,5,6-tetrafluorobenzene-1,4-dicarbonyl fluoride
  • 1,4-Benzodioxin-2-ol (9CI)
  • 1,4-Piperazinedicarboxaldehyde,2-methoxy-(9CI)
  • 1,4-Benzenedicarboxylicacid,2-hydrazino-(9CI)