3,4-difluorofuran-2,5-dione

Modify Date: 2026-08-03 18:39:43

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

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

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

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey DZTLWXJLPNCYDV-UHFFFAOYSA-N
SMILES O=C1OC(=O)C(F)=C1F

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2917190090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~54%

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

3,4-difluorofur...

CAS#:669-78-3

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Literature: Perrin, Charles L.; Karri, Phaneendrasai; Moore, Curtis; Rheingold, Arnold L. Journal of the American Chemical Society, 2012 , vol. 134, # 18 p. 7766 - 7772

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

3,4-difluorofur...

CAS#:669-78-3

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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

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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

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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

Learn More
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

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

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

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

 3,4-difluorofuran-2,5-dione | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of 3,4-difluorofuran-2,5-dione?
A: Polar surface area (PSA) of 3,4-difluorofuran-2,5-dione is 43.37000.
Q: What is the molecular weight of 3,4-difluorofuran-2,5-dione?
A: Molecular weight of 3,4-difluorofuran-2,5-dione is 134.03800.
Q: What is the InChIKey of 3,4-difluorofuran-2,5-dione?
A: InChIKey of 3,4-difluorofuran-2,5-dione is DZTLWXJLPNCYDV-UHFFFAOYSA-N.
Q: What is the LogP of 3,4-difluorofuran-2,5-dione?
A: LogP of 3,4-difluorofuran-2,5-dione is 0.22040.
Q: What is the English name of 3,4-difluorofuran-2,5-dione?
A: The English name of 3,4-difluorofuran-2,5-dione is 3,4-difluorofuran-2,5-dione.
Q: What is the CAS number of 3,4-difluorofuran-2,5-dione?
A: CAS number of 3,4-difluorofuran-2,5-dione is 669-78-3.
Q: What are the downstream products of 3,4-difluorofuran-2,5-dione?
A: Related downstream products(CAS) of 3,4-difluorofuran-2,5-dione: 689-99-6;119820-21-2.
Q: What English synonyms does 3,4-difluorofuran-2,5-dione have?
A: English synonyms of 3,4-difluorofuran-2,5-dione: 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.
Q: What is the molecular formula of 3,4-difluorofuran-2,5-dione?
A: Molecular formula of 3,4-difluorofuran-2,5-dione is C4F2O3.
Q: What is the boiling point of 3,4-difluorofuran-2,5-dione?
A: Boiling point of 3,4-difluorofuran-2,5-dione is 129.7ºC at 760 mmHg.

 3,4-difluorofuran-2,5-dionefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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