4,4'-Diaminooctafluorobiphenyl
Synonym(s):Octafluorobenzidine
- CAS NO.：1038-66-0
- Empirical Formula: C12H4F8N2
- Molecular Weight: 328.16
- MDL number: MFCD00007646
- EINECS: 213-861-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:11
What is 4,4'-Diaminooctafluorobiphenyl?
Description
4,4'-Diaminofluorobiphenyl (DFOB) is a colorless solid soluble in organic solvents. DFOB has the advantages of low toxicity and high thermal stability, making it an ideal material for a variety of applications. DFOB has been used in biomedical research and industrial processes. In addition, its application extends to the synthesis of industrial compounds such as polymers and plastics.
Chemical properties
WHITE TO LIGHT BROWN CRYSTALLINE POWDER
Health Hazard
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Properties of 4,4'-Diaminooctafluorobiphenyl
| Melting point: | 175-177 °C (lit.) |
| Boiling point: | 279.4±35.0 °C(Predicted) |
| Density | 1.5568 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | soluble in Methanol |
| form | powder to crystal |
| pka | 0.02±0.21(Predicted) |
| color | White to Orange to Green |
| InChI | InChI=1S/C12H4F8N2/c13-3-1(4(14)8(18)11(21)7(3)17)2-5(15)9(19)12(22)10(20)6(2)16/h21-22H2 |
| CAS DataBase Reference | 1038-66-0(CAS DataBase Reference) |
| EPA Substance Registry System | [1,1'-Biphenyl]-4,4'-diamine, 2,2',3,3',5,5',6,6'-octafluoro- (1038-66-0) |
Safety information for 4,4'-Diaminooctafluorobiphenyl
| 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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'-Diaminooctafluorobiphenyl
| InChIKey | FWOLORXQTIGHFX-UHFFFAOYSA-N |
| SMILES | C1(C2=C(F)C(F)=C(N)C(F)=C2F)=C(F)C(F)=C(N)C(F)=C1F |
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