4-Methylpiperidine
Pharmaceutical Materials 2025-03-02
CAS Number: 626-58-4
Molecular Formula: C6H13N
Molecular Weight: 99.17
Appearance: Clear slightly yellow liquid
Melting Point: 4-5 °C
Boiling Point: 124 °C
Density: 0.838 g/mL at 25 °C
Solubility: Miscible with water
| Category | Details |
|---|---|
| Basic Information | |
| Name | 4-Methylpiperidine |
| CAS Number | 106-60-5 |
| Other Names | 4-Methylpiperidane, 1-Methylpiperidin-4-yl, 4-Methyl-hexahydropyridine |
| Molecular Formula | C6H13N |
| Molecular Weight | 99.17 g/mol |
| EINECS Number | 203-413-4 |
| Physical Properties | |
| Appearance | Colorless to pale yellow liquid with a fishy odor |
| Melting Point | -19 to -20 °C |
| Boiling Point | 105-107 °C (lit.) |
| Density | 0.825 g/mL at 25 °C (lit.) |
| Flash Point | 23 °C (closed cup) |
| Refractive Index | 1.444 (20 °C) |
| Solubility | Soluble in water, alcohol, ether, and chloroform |
| Chemical Properties | |
| Chirality | Achiral |
| pH | ~7 (1% aqueous solution) |
| Safety Information | |
| Risk Phrases | R10. R22. R36/37/38 |
| Safety Phrases | S26. S36/37/39. S45 |
| NFPA Ratings | Health: 1; Flammability: 2; Reactivity: 0 |
| Applications | |
| Pharmaceutical | Intermediate in the synthesis of various pharmaceuticals |
| Agrochemical | Used in the production of pesticides and herbicides |
| Organic Synthesis | As a solvent and reactant in organic syntheses |
| Handling and Storage | |
| Storage | Store in a cool, dry, well-ventilated area away from incompatible substances and sources of ignition. |
| Handling | Handle with care and avoid contact with skin, eyes, and clothing. Use appropriate personal protective equipment. |
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