2,2-Difluorosuccinic acid
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
Precursor & DownStream
Precursor
DownStream
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%