3,4-Difluorophenylacetic acid
- CAS NO.：658-93-5
- Empirical Formula: C8H6F2O2
- Molecular Weight: 172.13
- MDL number: MFCD00010002
- EINECS: 211-527-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:19:24
What is 3,4-Difluorophenylacetic acid?
Chemical properties
beige crystalline needles
General Description
The separation of five positional isomers from 3,4-difluorophenylacetic acid has been investigated using normal- and reversed-phase HPLC, capillary zone electrophoresis, gas chromatography and supercritical fluid chromatography.
Properties of 3,4-Difluorophenylacetic acid
| Melting point: | 46-50 °C (lit.) |
| Boiling point: | 219°C (rough estimate) |
| Density | 1.3010 (estimate) |
| Flash point: | >230 °F |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystaline |
| pka | 4.06±0.10(Predicted) |
| color | White to Almost white |
| BRN | 2577768 |
| CAS DataBase Reference | 658-93-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 3,4-Difluorophenylacetic acid(658-93-5) |
Safety information for 3,4-Difluorophenylacetic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,4-Difluorophenylacetic acid
| InChIKey | YCAKYFIYUHHCKW-UHFFFAOYSA-N |
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