4,4'-Dimethyl-2,2'-bipyridyl
Synonym(s):2,2′-Bi(γ-picoline);4,4′-Dimethyl-2,2′-bipyridine
- CAS NO.：1134-35-6
- Empirical Formula: C12H12N2
- Molecular Weight: 184.24
- MDL number: MFCD00006441
- EINECS: 214-483-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:04
What is 4,4'-Dimethyl-2,2'-bipyridyl?
Chemical properties
Beige crystalline powder
The Uses of 4,4'-Dimethyl-2,2'-bipyridyl
4,4'-Dimethyl-2,2'-bipyridine is used as a chemical Intermediate. It can be used for the determination of ferrous and cyanide compounds.
General Description
4,4′-Dimethyl-2,2′-dipyridyl is a monondentate ligand.
Purification Methods
pKEst(1) Est(2) Crystallise it from ethyl acetate. [Elliott et al. J Am Chem Soc 107 4647 1985, Beilstein 23/8 V 79.]
Properties of 4,4'-Dimethyl-2,2'-bipyridyl
| Melting point: | 169-174 °C(lit.) |
| Boiling point: | 308.2°C (rough estimate) |
| Density | 1.1160 (rough estimate) |
| refractive index | 1.6266 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chlorofrom (Slightly), DMSO (Slightly) |
| pka | 5.10±0.30(Predicted) |
| form | Crystalline Powder |
| color | Beige |
| Water Solubility | Soluble in ethanol, acetic acid, benzene, toluene. Highly soluble in water at pH < 2. |
| BRN | 128995 |
| CAS DataBase Reference | 1134-35-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,2'-Bipyridine, 4,4'-dimethyl-(1134-35-6) |
| EPA Substance Registry System | 4,4'-Dimethyl-2,2'-bipyridine (1134-35-6) |
Safety information for 4,4'-Dimethyl-2,2'-bipyridyl
| 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'-Dimethyl-2,2'-bipyridyl
| InChIKey | NBPGPQJFYXNFKN-UHFFFAOYSA-N |
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