3,4-difluorofuran-2,5-dione

Modify Date: 2024-01-10 21:58:31

3,4-difluorofuran-2,5-dione Structure
3,4-difluorofuran-2,5-dione structure
Common Name 3,4-difluorofuran-2,5-dione
CAS Number 669-78-3 Molecular Weight 134.03800
Density 1.66g/cm3 Boiling Point 129.7ºC at 760 mmHg
Molecular Formula C4F2O3 Melting Point N/A
MSDS N/A Flash Point 32.2ºC

 Names

Name 3,4-difluorofuran-2,5-dione
Synonym More Synonyms

 Chemical & Physical Properties

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

 Safety Information

HS Code 2917190090

 Synthetic Route

~54%

3,4-difluorofuran-2,5-dione Structure

3,4-difluorofur...

CAS#: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

~%

3,4-difluorofuran-2,5-dione Structure

3,4-difluorofur...

CAS#:669-78-3

Literature: E.I. DU PONT DE NEMOURS AND COMPANY Patent: EP557272 B1, 1995 ;

~%

3,4-difluorofuran-2,5-dione Structure

3,4-difluorofur...

CAS#:669-78-3

Literature: Krespan, Carl G. Journal of Fluorine Chemistry, 1990 , vol. 48, # 3 p. 339 - 343

~%

3,4-difluorofuran-2,5-dione Structure

3,4-difluorofur...

CAS#:669-78-3

Literature: Raasch et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 2678

~69%

3,4-difluorofuran-2,5-dione Structure

3,4-difluorofur...

CAS#:669-78-3

Literature: Hudlicky, M. Journal of Fluorine Chemistry, 1988 , vol. 40, p. 99 - 108

~%

3,4-difluorofuran-2,5-dione Structure

3,4-difluorofur...

CAS#:669-78-3

Literature: Krespan, Carl G. Journal of Fluorine Chemistry, 1990 , vol. 48, # 3 p. 339 - 343

 Customs

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%

 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