2,5-difluoroterephthalic acid

Modify Date: 2025-08-20 23:15:07

2,5-difluoroterephthalic acid Structure
2,5-difluoroterephthalic acid structure
Common Name 2,5-difluoroterephthalic acid
CAS Number 655-14-1 Molecular Weight 202.11200
Density 1.644g/cm3 Boiling Point 370.1ºC at 760 mmHg
Molecular Formula C8H4F2O4 Melting Point N/A
MSDS N/A Flash Point 177.6ºC

 Names

Name 2,5-difluoroterephthalic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.644g/cm3
Boiling Point 370.1ºC at 760 mmHg
Molecular Formula C8H4F2O4
Molecular Weight 202.11200
Flash Point 177.6ºC
Exact Mass 202.00800
PSA 74.60000
LogP 1.36120
Index of Refraction 1.566
InChIKey LWKOWFVDUSZDRA-UHFFFAOYSA-N
SMILES O=C(O)c1cc(F)c(C(=O)O)cc1F

 Safety Information

Hazard Codes Xi
HS Code 2915900090

 Synthetic Route

~78%

2,5-difluoroterephthalic acid Structure

2,5-difluoroter...

CAS#:655-14-1

Literature: Huang, Xiao-Song; Qing, Feng-Ling Journal of Fluorine Chemistry, 2008 , vol. 129, # 11 p. 1076 - 1082

~%

2,5-difluoroterephthalic acid Structure

2,5-difluoroter...

CAS#:655-14-1

Literature: Aroskar,E.V. et al. Journal of the Chemical Society, 1964 , p. 2975 - 2981

~%

2,5-difluoroterephthalic acid Structure

2,5-difluoroter...

CAS#:655-14-1

Literature: Aroskar,E.V. et al. Journal of the Chemical Society, 1964 , p. 2975 - 2981

~%

2,5-difluoroterephthalic acid Structure

2,5-difluoroter...

CAS#:655-14-1

Literature: Aroskar,E.V. et al. Journal of the Chemical Society, 1964 , p. 2975 - 2981

~%

2,5-difluoroterephthalic acid Structure

2,5-difluoroter...

CAS#:655-14-1

Literature: Aroskar,E.V. et al. Journal of the Chemical Society, 1964 , p. 2975 - 2981

~%

2,5-difluoroterephthalic acid Structure

2,5-difluoroter...

CAS#:655-14-1

Literature: Allergan Sales, Inc. Patent: US6342602 B1, 2002 ; Location in patent: Page column 26 ;

 Customs

HS Code 2915900090
Summary 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

 Synonyms

2.5-Difluor-terephthalsaeure
EINECS 211-508-9
1,4-Benzenedicarboxylicacid,2,5-difluoro
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