2,2-Difluorosuccinic acid

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Names

[ CAS No. ]:
665-31-6

[ Name ]:
2,2-Difluorosuccinic acid

[Synonym ]:
EINECS 211-558-1
2,2-difluorobutanedioic acid
2,2-Difluoro-succinic acid
2,2-Difluorosuccinic acid
MFCD00040970
Butanedioic acid, 2,2-difluoro-

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1-Chloro-2,3,3-trifluorocyclobutene
  • trimethylsilyl 2,2-difluoro-4-pentenoate
  • 1-chloro-4,4-difluorocyclobutene

DownStream

  • dimethyl 2-fluorobut-2-enedioate
  • 2-fluoromaleic acid
  • 2-Butenedioic acid,2-fluoro-, (2Z)-
  • 3,3-difluorooxolane-2,5-dione

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%

Related Compounds

  • 2,2-DIFLUOROSUCCINIC ACID
  • 2,2-Dimethylvaleric acid 3-(4-methyl-1-piperazinyl)propyl ester
  • 2,2-Diphenylcyclopropanecarboxylic acid
  • 2,2-Dimethyloctanoic acid
  • 2-(2-hydroxyphenyl)octadecanoic acid
  • 2,2,3-trimethyltridecanoic acid
  • 3-Bromo-2-fluorobenzofuran
  • (3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-3a-(N-(tert-butoxycarbonyl)-N-(4-chlorobenzyl)glycyl)-1-isopropyl-5a,5b,8,8,11a-pentamethyl-2-oxo-3,3a,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a-octadecahydro-2H-cyclopenta[a]chrysen-9-yl acetate
  • (3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-3a-(2-((tert-butoxycarbonyl)(4-chlorobenzyl)amino)-1-hydroxyethyl)-1-isopropyl-5a,5b,8,8,11a-pentamethyl-2-oxo-3,3a,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a-octadecahydro-2H-cyclopenta[a]chrysen-9-yl acetate
  • Methyl 3-amino-4-fluoro-5-methylbenzoate
  • 4-(Hexahydro-1H-1,4-diazepin-1-yl)-N,N-dimethylbenzeneethanamine
  • 2-Oxo-n-(tetrahydro-2h-pyran-4-yl)indoline-5-carboxamide
  • 1-(5-Bromo-2-chlorobenzyl)-3-methylurea
  • 2-(Cyclobutylmethoxy)phenol
  • 5-(Ethylsulfonyl)pentan-1-ol
  • 1-Methanesulfonylcycloheptane-1-carboxylic acid
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