Pyrazine, 2-chloro-5-methoxy-
2-chloro-5-methoxy-pyrazine
CAS: 33332-31-9
Molecular Formula: C5H5ClN2O
Pyrazine, 2-chloro-5-methoxy- - Names and Identifiers
| Name | 2-chloro-5-methoxy-pyrazine |
| Synonyms | 5-Methoxy-2-chloropyrazine 2-Chloro-5-methoxypyrazine 2-chloro-5-methoxy-pyrazine Pyrazine, 2-chloro-5-methoxy- |
| CAS | 33332-31-9 |
| InChI | InChI=1S/C5H5ClN2O/c1-9-5-3-7-4(6)2-8-5/h2-3H,1H3 |
Pyrazine, 2-chloro-5-methoxy- - Physico-chemical Properties
| Molecular Formula | C5H5ClN2O |
| Molar Mass | 144.56 |
| Density | 1.292±0.06 g/cm3(Predicted) |
| Melting Point | 90 °C |
| Boling Point | 183.3±35.0 °C(Predicted) |
| pKa | -1.48±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Pyrazine, 2-chloro-5-methoxy- - Introduction
Is an organic compound with the chemical formula C6H6ClN2O. It is a yellow crystal with a special smell. The following is a description of some of the properties, uses, methods of manufacture and safety information on:
Nature:
-Appearance: Yellow Crystal
-Molecular weight: 162.57g/mol
-Melting point: 55-56 ° C
-Boiling point: 237-239 ° C
-Density: 1.37g/cm3
-Solubility: Slightly soluble in water, soluble in organic solvents such as alcohols, ethers and esters
Use:
It is mainly used in chemical synthesis and can be used as a raw material or intermediate in organic synthesis reactions. It can be used to prepare various drugs, pesticides and chemical products.
Method:
It is usually prepared by the following synthetic route:
1. Pyrazine reacts with pyridoxal to generate pyridine methanol.
2. The esterification reaction of pyridine methanol and chloroacetic acid produces ethyl pyridine formate.
3. Pyridine ethyl formate reacts with thionyl chloride to generate.
Safety Information:
It belongs to organic chlorine and organic nitrogen compounds, which have certain toxicity. Observe appropriate safety procedures when using, storing and handling. Avoid contact with skin, eyes and respiratory tract. Use personal protective equipment such as gloves, goggles and masks if necessary. In case of accidental contact, rinse immediately with plenty of water and seek medical help. Observe the relevant environmental protection regulations when disposing of waste.
Nature:
-Appearance: Yellow Crystal
-Molecular weight: 162.57g/mol
-Melting point: 55-56 ° C
-Boiling point: 237-239 ° C
-Density: 1.37g/cm3
-Solubility: Slightly soluble in water, soluble in organic solvents such as alcohols, ethers and esters
Use:
It is mainly used in chemical synthesis and can be used as a raw material or intermediate in organic synthesis reactions. It can be used to prepare various drugs, pesticides and chemical products.
Method:
It is usually prepared by the following synthetic route:
1. Pyrazine reacts with pyridoxal to generate pyridine methanol.
2. The esterification reaction of pyridine methanol and chloroacetic acid produces ethyl pyridine formate.
3. Pyridine ethyl formate reacts with thionyl chloride to generate.
Safety Information:
It belongs to organic chlorine and organic nitrogen compounds, which have certain toxicity. Observe appropriate safety procedures when using, storing and handling. Avoid contact with skin, eyes and respiratory tract. Use personal protective equipment such as gloves, goggles and masks if necessary. In case of accidental contact, rinse immediately with plenty of water and seek medical help. Observe the relevant environmental protection regulations when disposing of waste.
Last Update：2024-04-09 15:17:56
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