3,5-Dimethylpyridine CAS Number: 591-22-0
Pharmaceutical Materials 2025-03-02
CAS Number: 591-22-0
Molecular Formula: C7H9N
Molecular Weight: 107.15 g/mol
Appearance: Colorless to yellow liquid
Melting Point: -9°C Boiling Point: 169-172°C
Usage: Widely used in organic synthesis, pharmaceuticals, and pesticides.
3,5-Dimethylpyridine, with the CAS number 591-22-0, is an organic compound classified as a pyridine derivative. It exists as a colorless to yellow oily liquid with a distinct odor. This compound is primarily used as a pharmaceutical intermediate and surfactant, and it can also serve as a reaction solvent. Due to its chemical properties, 3,5-dimethylpyridine is known for its solubility in organic solvents such as ethanol and ether, but it is insoluble in water. It is also noted for its flammability and potential health hazards, requiring proper handling and storage practices.
| Property | Value |
|---|---|
| Chemical Name | 3,5-Dimethylpyridine |
| CAS Number | 591-22-0 |
| Molecular Formula | C7H9N |
| Molecular Weight | 107.153 g/mol |
| Appearance | Colorless to yellow oily liquid |
| Density | 0.939 g/cm³ |
| Melting Point | -9 °C |
| Boiling Point | 169-170 °C |
| Flash Point | 57.2 °C |
| Solubility | Soluble in ethanol, ether; insoluble in water |
| Refractive Index | 1.504 (at 20 °C) |
| Stability | Stable; may decompose under high heat, releasing toxic nitrogen oxides |
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