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-Pyridinol, 4-(difluoromethyl)-5-fluoro-6-methyl-
  • 4,4-Piperidinediol, 3-fluoro-
  • 3-(5-Chloro-2-hydroxy-4-methylphenyl)-4-(3-hydroxyphenyl)-5-(pyridin-3-ylmethyl)-1,2,3,3a,4,6a-hexahydropyrrolo[3,4-c]pyrazol-6-one
  • N-(6-chloro-1,3-benzothiazol-2-yl)-5-(2-hydroxy-5-methylphenyl)pyrazolidine-3-carboxamide
  • 5-(2-hydroxy-5-methylphenyl)-N-[2-(4-methylbenzoyl)-1-benzofuran-3-yl]pyrazolidine-3-carboxamide
  • N-[4-(difluoromethoxy)phenyl]-5-(2-hydroxy-5-methylphenyl)pyrazolidine-3-carboxamide
  • 5-Formyl-2-methyl-3-nitrobenzoic acid methyl ester
  • N(=[N+]=[N-])Ccoc1=CC=C(C=C1)B1OC(C(O1)(C)C)(C)C
  • methyl (2S)-2-amino-4,4,4-trifluorobutanoate hydrochloride
  • 3-Bromo-2,6-dimethyl-4H-pyran-4-one
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