2-Ethoxy-3-methylpyrazine（CAS#32737-14-7）
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – 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. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
Introduction
2-ethoxy-3-methylpyrazine is an organic compound. The following is an introduction to its nature, use, preparation method and safety information:
Quality:
- Appearance: 2-ethoxy-3-methylpyrazine is a colorless liquid.
- Solubility: Soluble in water, ethanol and most organic solvents.
Use:
- It can be used in the synthesis of certain antibiotics (such as polyhydroxysulfamic acid), as well as some biologically active compounds.
Method:
- 2-Ethoxy-3-methylpyrazine can generally be prepared by transesterification of 2-methylpyrazine with ethanol. The specific process includes: first heating and stirring 2-methylpyrazine with an appropriate amount of ethanol in the reactor, then adding a certain amount of alkyd catalyst (such as Fengyun acid), continuing the heating reaction, and finally distilling to obtain the product.
Safety Information:
- Wear appropriate protective equipment such as lab gloves, glasses, and protective clothing during the procedure.
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