32493-78-0

32493-78-0 - Names and Identifiers

Name	Pyrazine, 2,3-dichloro-5-methyl-
Synonyms	2,3-dichloro-5-Methylpyrazine Pyrazine, 2,3-dichloro-5-methyl-
CAS	32493-78-0

32493-78-0 - Physico-chemical Properties

Molecular Formula	C5H4Cl2N2
Molar Mass	163
Density	1.404±0.06 g/cm3(Predicted)
Boling Point	209.2±35.0 °C(Predicted)
pKa	-3.75±0.10(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C

32493-78-0 - Introduction

Pyrazine, 2,3-dichloro-5-methyl-is a chemical substance with the chemical formula C6H5Cl2N2. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: Pyrazine, 2,3-dichloro-5-methyl-white crystalline or crystalline powder
-Melting point: About 90-92 degrees Celsius
-Boiling point: about 160-170 degrees Celsius
-Solubility: Solubility in water is not high, soluble in organic solvents such as ethanol, ether and dichloromethane
-Chemical properties: It is an organic compound that is alkaline and can be used as a raw material for substitution reactions.

Use:
- Pyrazine, 2,3-dichloro-5-methyl-is often used as an intermediate in the synthesis of other compounds, such as pesticides, drugs and dyes.
-It can also be used for chlorination reactions or substitution reactions in organic synthesis.

Method: The preparation method of
- Pyrazine, 2,3-dichloro-5-methyl-includes the following steps:
1. Pyrazine reacts with acid chloride to generate 5-chloropyrazine.
2. React 5-chloropyrazine with chloroacetic anhydride to generate 2,3-dichloro -5-chloropyrazine.
3. Finally, 2,3-dichloro-5-chloropyrazine is methylated to obtain Pyrazine, 2,3-dichloro-5-methyl-.

Safety Information:
- Pyrazine, 2,3-dichloro-5-methyl-is a chemical substance, which should follow the corresponding safety operation regulations during use.
-It may cause irritation to the eyes, skin and respiratory system, please be careful to avoid contact.
-Wear appropriate protective equipment such as goggles, gloves and face shields when using.
-Be careful to avoid contact with strong oxidants and flammable materials during storage and handling.
-If inhaled or ingested, seek medical attention immediately.

Last Update：2024-04-09 21:00:56