2-Methyl pyrazine（CAS#109-08-0）
| Risk Codes | R10 – Flammable R22 – Harmful if swallowed R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S16 – Keep away from sources of ignition. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | UQ3675000 |
| TSCA | Yes |
| HS Code | 29339990 |
| Hazard Class | 3 |
| Packing Group | III |
Introduction
2-methylpyridine is an organic compound. It is a colorless to pale yellow liquid with a pyridine-like odor.
2-Methylpyrazine is commonly used in organic synthesis as a reagent, solvent and intermediate. It can be used as a ligand for catalysts for metal-catalyzed reactions.
There are various methods for the preparation of 2-methylpyrazine, one of the more commonly used is the reaction of 2-aminopyrazine with methylation reagents such as methyl iodide. Specific synthesis methods also include cyanide hydrogenation and halogenation of halogenation.
When operating, good ventilation measures should be taken to avoid inhaling gases or contact with skin and eyes. Avoid contact with strong oxidants and acids to prevent dangerous reactions. In case of accidental contact or inhalation, seek medical attention immediately.
