669-78-3
669-78-3 structure
- Name: 3,4-difluorofuran-2,5-dione
- Chemical Name: 3,4-difluorofuran-2,5-dione
- CAS Number: 669-78-3
- Molecular Formula: C4F2O3
- Molecular Weight: 134.03800
- Create Date: 2016-12-04 10:58:18
- Modify Date: 2025-08-25 10:05:59
| Name | 3,4-difluorofuran-2,5-dione |
|---|---|
| Synonyms |
Difluoromaleic anhydride
3,4-DIFLUORO-2,5-FURANDIONE 3,4-difluoro-furan-2,5-dione 2,5-Furandione,difluoro 2,5-Furandione,3,4-difluoro difluoro-maleic acid anhydride Difluormaleinsaeureanhydrid |
| Density | 1.66g/cm3 |
|---|---|
| Boiling Point | 129.7ºC at 760 mmHg |
| Molecular Formula | C4F2O3 |
| Molecular Weight | 134.03800 |
| Flash Point | 32.2ºC |
| Exact Mass | 133.98200 |
| PSA | 43.37000 |
| LogP | 0.22040 |
| Index of Refraction | 1.416 |
| HS Code | 2917190090 |
|---|
|
~54%
669-78-3 |
| Literature: Perrin, Charles L.; Karri, Phaneendrasai; Moore, Curtis; Rheingold, Arnold L. Journal of the American Chemical Society, 2012 , vol. 134, # 18 p. 7766 - 7772 |
|
~%
669-78-3 |
| Literature: E.I. DU PONT DE NEMOURS AND COMPANY Patent: EP557272 B1, 1995 ; |
|
~%
669-78-3 |
| Literature: Krespan, Carl G. Journal of Fluorine Chemistry, 1990 , vol. 48, # 3 p. 339 - 343 |
|
~%
669-78-3 |
| Literature: Raasch et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 2678 |
|
~69%
669-78-3 |
| Literature: Hudlicky, M. Journal of Fluorine Chemistry, 1988 , vol. 40, p. 99 - 108 |
|
~%
669-78-3 |
| Literature: Krespan, Carl G. Journal of Fluorine Chemistry, 1990 , vol. 48, # 3 p. 339 - 343 |
| Precursor 5 | |
|---|---|
| DownStream 2 | |
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |