N-Methylpiperidine
Pharmaceutical Materials 2025-03-02
CAS Number: 626-67-5
Molecular Formula: C6H13N
Molecular Weight: 99.17
Appearance: Colorless liquid with a pungent odor
Melting Point: -50 °C
Boiling Point: 106-107 °C
Density: 0.817 g/mL at 20 °C
Refractive Index: n20/D 1.438
| Category | Details |
|---|---|
| Basic Information | |
| Name | N-Methylpiperidine |
| CAS Number | 626-67-5 |
| Other Names | 1-Methylpiperidine, N-Methylhexahydropyridine, NMPPR, etc. |
| Molecular Formula | C6H13N |
| Molecular Weight | 99.174 g/mol |
| EINECS Number | 210-959-9 |
| Physical Properties | |
| Appearance | Colorless transparent liquid with a pungent odor |
| Melting Point | -50 °C |
| Boiling Point | 106-107 °C |
| Density | 0.817 g/cm³ (or 0.816 g/mL at 25 °C) |
| Flash Point | 3 °C (or 38 °F) |
| Refractive Index | 1.438 (at 20 °C) |
| Solubility | Soluble in water, alcohol, and ether |
| Chemical Properties | |
| pH Value | 12 (100g/l, H2O, 20 °C) |
| Explosion Limits | 1.1-9.9% (V) |
| Safety Information | |
| Risk Phrases | R11. R20/22. R34. etc. |
| Safety Phrases | S7. S9. S16. S26. S33. S36/37/39. S45. etc. |
| Hazard Symbols | F, C |
| Danger Class | Flammable liquid, Category 3 |
| UN Number | 3286 |
| Applications | |
| Uses | Used as an intermediate in the pharmaceutical and pesticide industries; Also used as an intermediate in organic synthesis. |
| Handling and Storage | |
| Storage Conditions | Store in a cool, dry, and well-ventilated place. Keep away from sources of ignition and heat. |
| Transportation | Transport in accordance with regulations for dangerous goods. Prevent exposure to sunlight, rain, and high temperatures during transport. Equip vehicles with spark arrestors and avoid using equipment and tools that may produce sparks during loading and unloading. |
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