2-Methylthio pyrazine(CAS#21948-70-9)
Hazard Symbols | Xn – Harmful |
Risk Codes | R22 – Harmful if swallowed R37/38 – Irritating to respiratory system and skin. R41 – Risk of serious damage to eyes |
Safety Description | S22 – Do not breathe dust. S24/25 – Avoid contact with skin and eyes. S39 – Wear eye / face protection. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 29339900 |
Introduction
2-Methylthiopyrazine is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of 2-methylthiopyrazine:
Quality:
- 2-Methylthiopyrazine is a colorless to light yellow crystal or crystalline powder with a weak sulfur odor.
- It is alkaline when dissolved in water and can be dissolved in both acidic and alkaline solutions.
- When heated or ignited, 2-methylthiopyrazine releases toxic gases.
Use:
- 2-Methylthiopyrazine is widely used in chemical synthesis as a catalyst or ligand for organic synthesis reactions.
Method:
- The preparation of 2-methylthiopyrazine is usually obtained by the reaction of sulfide with 2-chloropyridine. The specific step is to react 2-chloropyridine with sodium sulfide in an organic solvent to obtain the product of 2-methylthiopyrazine.
Safety Information:
- 2-Methylthiopyrazine is a toxic compound and should be avoided from inhalation, ingestion, or contact with skin and eyes.
- Appropriate personal protective equipment such as gloves, eyeglasses, and gowns should be worn during use or preparation.
- It should be used in a well-ventilated area to avoid its vapor concentration exceeding the safety limit.
- When storing, it should be kept tightly sealed, away from fire and oxidants.
- In case of accidental contact or ingestion, seek medical attention immediately.