665-31-6
665-31-6 structure
- Name: 2,2-Difluorosuccinic acid
- Chemical Name: 2,2-Difluorosuccinic acid
- CAS Number: 665-31-6
- Molecular Formula: C4H4F2O4
- Molecular Weight: 154.069
- Create Date: 2018-05-10 08:00:00
- Modify Date: 2025-08-26 11:50:08
| Name | 2,2-Difluorosuccinic acid |
|---|---|
| Synonyms |
EINECS 211-558-1
2,2-difluorobutanedioic acid 2,2-Difluoro-succinic acid 2,2-Difluorosuccinic acid MFCD00040970 Butanedioic acid, 2,2-difluoro- |
| 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 |
| 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 |
|
~37%
665-31-6 |
| Literature: Akhtar; Botting; Cohen; Gani Tetrahedron, 1987 , vol. 43, # 24 p. 5899 - 5908 |
|
~%
665-31-6 |
| Literature: Xu, Feng; Simmons, Bryon; Armstrong III, Joseph; Murry, Jerry Journal of Organic Chemistry, 2005 , vol. 70, # 15 p. 6105 - 6107 |
|
~%
665-31-6 |
| Literature: Journal of the American Chemical Society, , vol. 86, p. 616 - 622 |
| Precursor 3 | |
|---|---|
| DownStream 4 | |
| 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% |