2,2-Difluorosuccinic acid

Modify Date: 2024-01-10 11:42:46

2,2-Difluorosuccinic acid Structure
2,2-Difluorosuccinic acid structure
Common Name 2,2-Difluorosuccinic acid
CAS Number 665-31-6 Molecular Weight 154.069
Density 1.6±0.1 g/cm3 Boiling Point 227.5±35.0 °C at 760 mmHg
Molecular Formula C4H4F2O4 Melting Point 144-145°C
MSDS USA Flash Point 91.4±25.9 °C

 Names

Name 2,2-Difluorosuccinic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 227.5±35.0 °C at 760 mmHg
Melting Point 144-145°C
Molecular Formula C4H4F2O4
Molecular Weight 154.069
Flash Point 91.4±25.9 °C
Exact Mass 154.007767
PSA 74.60000
LogP 0.90
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.420

 Safety Information

Hazard Codes C: Corrosive;
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
RIDADR 3261
Packaging Group III
Hazard Class 8
HS Code 2917190090

 Synthetic Route

~37%

2,2-Difluorosuccinic acid Structure

2,2-Difluorosuc...

CAS#:665-31-6

Literature: Akhtar; Botting; Cohen; Gani Tetrahedron, 1987 , vol. 43, # 24 p. 5899 - 5908

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2,2-Difluorosuccinic acid Structure

2,2-Difluorosuc...

CAS#:665-31-6

Literature: Xu, Feng; Simmons, Bryon; Armstrong III, Joseph; Murry, Jerry Journal of Organic Chemistry, 2005 , vol. 70, # 15 p. 6105 - 6107

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2,2-Difluorosuccinic acid Structure

2,2-Difluorosuc...

CAS#:665-31-6

Literature: Journal of the American Chemical Society, , vol. 86, p. 616 - 622

 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

EINECS 211-558-1
2,2-difluorobutanedioic acid
2,2-Difluoro-succinic acid
2,2-Difluorosuccinic acid
MFCD00040970
Butanedioic acid, 2,2-difluoro-
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