1978-21-8
1978-21-8 structure
- Name: 1,4-Benzenedicarbonyl difluoride (9CI)
- Chemical Name: benzene-1,4-dicarbonyl fluoride
- CAS Number: 1978-21-8
- Molecular Formula: C8H4F2O2
- Molecular Weight: 170.11300
- Create Date: 2017-03-11 19:19:17
- Modify Date: 2025-08-23 18:43:35
| Name | benzene-1,4-dicarbonyl fluoride |
|---|---|
| Synonyms |
1,4-benzenedicarbonyl difluoride
1,4-Di-formylfluorid-benzol terephthaloyl fluoride Terephthaloylfluorid Terephthaloyl difluoride Terephthalsaeure-difluorid Terephtalsaeurefluorid |
| Molecular Formula | C8H4F2O2 |
|---|---|
| Molecular Weight | 170.11300 |
| Exact Mass | 170.01800 |
| PSA | 34.14000 |
| LogP | 1.90600 |
| HS Code | 2917399090 |
|---|
|
~%
1978-21-8 |
| Literature: Hasek,W.R. et al. Journal of the American Chemical Society, 1960 , vol. 82, p. 543 - 551 |
|
~97%
1978-21-8 |
| Literature: Okano, Tamon; Harada, Nobuyuki; Kiji, Jitsuo Bulletin of the Chemical Society of Japan, 1992 , vol. 65, # 6 p. 1741 - 1743 |
|
~%
1978-21-8 |
| Literature: Brownlee, Robert T. C.; Craik, David J. Organic Magnetic Resonance, 1980 , vol. 14, # 3 p. 186 - 191 |
|
~%
1978-21-8 |
| Literature: Chen, Chinpiao; Chen, Yi-Jing Tetrahedron Letters, 2004 , vol. 45, # 1 p. 113 - 115 |
| Precursor 4 | |
|---|---|
| DownStream 1 | |
| 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% |