2-Mercapto Pyrazine（CAS#38521-06-1）
| WGK Germany | 3 |
Introduction
2-Mercaptopyrazine is an organic compound with the chemical formula C4H4N2S. It is a white crystalline solid with a pungent odor. The following is a description of the nature, use, preparation and safety information of 2-Mercaptopyrazine:
Nature:
-Appearance: White crystalline solid
-Molecular weight: 112.16g/mol
-melting point: 80-82 ℃
-Boiling point: about 260 ℃ (decomposition)
-Soluble: Soluble in acid, alkali, ethanol and ether, slightly soluble in water.
Use:
- 2-Mercaptopyrazine can be used as an important intermediate in organic synthesis and can play an important role in the synthesis of drugs and pesticides.
-It can be used to prepare pyrazine dyes, pharmaceutical intermediates and coordination compounds.
Preparation Method:
2-Mercaptopyrazine can be synthesized:
1. Reaction of 2-bromopyrazine with sodium hydrogen sulfate in water/ethanol to give 2-Mercaptopyrazine. The reaction conditions are generally such that the reaction is stirred at room temperature.
2. 2-Mercaptopyrazine can also be obtained by reacting 2-chloropyrazine with thiol under alkaline conditions.
Safety Information:
- 2-Mercaptopyrazine is an irritant compound that may cause irritation in contact with the skin, eyes or by inhalation of its dust.
-Wear personal protective equipment such as chemical protective gloves, safety glasses and protective masks when handling 2-Mercaptopyrazine.
-When using this compound, please make sure to operate in a well-ventilated place to avoid inhaling its dust.
-Avoid contact with oxidants and strong acids to prevent dangerous reactions.
-Store 2-Mercaptopyrazine in an airtight container, away from heat and fire sources.
