4,4'-Difluorobiphenyl
- CAS NO.：398-23-2
- Empirical Formula: C12H8F2
- Molecular Weight: 190.19
- MDL number: MFCD00000349
- EINECS: 206-910-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is 4,4'-Difluorobiphenyl?
Chemical properties
light yellow crystal powder
Synthesis Reference(s)
Tetrahedron Letters, 22, p. 3793, 1981 DOI: 10.1016/S0040-4039(01)82023-2
Properties of 4,4'-Difluorobiphenyl
| Melting point: | 88-91 °C(lit.) |
| Boiling point: | 254-255 °C(lit.) |
| Density | 1.2470 (rough estimate) |
| refractive index | 1.5678 (estimate) |
| Flash point: | 254-255°C |
| form | powder to crystal |
| color | White to Light yellow to Light orange |
| Water Solubility | Insoluble |
| Merck | 14,3149 |
| BRN | 2044699 |
| CAS DataBase Reference | 398-23-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,1'-Biphenyl, 4,4'-difluoro-(398-23-2) |
Safety information for 4,4'-Difluorobiphenyl
| 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 4,4'-Difluorobiphenyl
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