4,4'-Trimethylenedipyridine
Synonym(s):1,3-Bis(4-pyridyl)propane
- CAS NO.：17252-51-6
- Empirical Formula: C13H14N2
- Molecular Weight: 198.26
- MDL number: MFCD00038046
- EINECS: 241-284-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:21:29
What is 4,4'-Trimethylenedipyridine?
Chemical properties
Light yellow crystal
The Uses of 4,4'-Trimethylenedipyridine
4,4′-Trimethylenedipyridine was used as ligand to study the solvent effects on the formal potential of redox-active self-assembling system [Os(bpy)2(dipy)Cl]1+ (bpy= 2,2′-bipyridine, dipy= 4,4′-Trimethylenedipyridine) in different organic solvents and aqueous solutions. It was used in the synthesis of two- and three-dimensional cadmium-organic frameworks.
What are the applications of Application
4,4′-Trimethylenedipyridine is a synthesis reagent
Solubility in organics
Soluble in Methanol
Purification Methods
Crystallise the propane from n-hexane/*benzene (5:1) or Me2CO. The picrate has m 185-185o.[Jampolsky et al. J Am Chem Soc 74 5222 1952, Chow & Fouss J Am Chem Soc 80 1095 1958, Beilstein 23 III/IV 1400.]
Properties of 4,4'-Trimethylenedipyridine
| Melting point: | 57-60 °C(lit.) |
| Boiling point: | 142°C 2mm |
| Density | 1.066±0.06 g/cm3(Predicted) |
| Flash point: | 142°C/2mm |
| storage temp. | Inert atmosphere,Room Temperature |
| Water Solubility | Slightly soluble in water |
| form | crystal |
| pka | 6.30±0.10(Predicted) |
| color | light yellow |
| Sensitive | Hygroscopic |
| BRN | 150231 |
| CAS DataBase Reference | 17252-51-6(CAS DataBase Reference) |
| EPA Substance Registry System | Pyridine, 4,4'-(1,3-propanediyl)bis- (17252-51-6) |
Safety information for 4,4'-Trimethylenedipyridine
| 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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'-Trimethylenedipyridine
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