4,4'-Dimethylbiphenyl
Synonym(s):p,p′-Bitoluene
- CAS NO.：613-33-2
- Empirical Formula: C14H14
- Molecular Weight: 182.26
- MDL number: MFCD00008545
- EINECS: 210-337-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:26:03
What is 4,4'-Dimethylbiphenyl?
Chemical properties
Crystalline
The Uses of 4,4'-Dimethylbiphenyl
4,4'-Dimethylbiphenyl is used in the preparation of biphenyl-4,4?-dicarboxylic acid, which acts as a monomer utilized in the synthesis of linear long chain polymer through polycondensation reaction. It is used to prepare 4-(4'-methylphenyl)benzaldehyde by selective photoxygenation reaction using 9-phenyl-10-methylacridinium perchlorate as a catalyst under visible light irradiation.
Synthesis Reference(s)
Tetrahedron Letters, 21, p. 631, 1980 DOI: 10.1016/S0040-4039(01)85577-5
Journal of the American Chemical Society, 90, p. 2423, 1968 DOI: 10.1021/ja01011a041
Properties of 4,4'-Dimethylbiphenyl
| Melting point: | 118-120 °C(lit.) |
| Boiling point: | 295 °C(lit.) |
| Density | 0.9170 |
| refractive index | 1.5811 (estimate) |
| Flash point: | 295°C |
| storage temp. | Sealed in dry,Room Temperature |
| form | Crystalline Powder |
| color | White to light yellow |
| Water Solubility | Insoluble in water. |
| BRN | 1856053 |
| CAS DataBase Reference | 613-33-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 4,4'-Dimethylbiphenyl(613-33-2) |
Safety information for 4,4'-Dimethylbiphenyl
| 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. 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'-Dimethylbiphenyl
| InChIKey | RZTDESRVPFKCBH-UHFFFAOYSA-N |
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