1,4-Benzenedicarbonyl difluoride (9CI)

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

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%