36070-75-4
2-Chloro-5-cyanopyrazine
CAS: 36070-75-4
Molecular Formula: C5H2ClN3
36070-75-4 - Names and Identifiers
| Name | 2-Chloro-5-cyanopyrazine |
| Synonyms | C90110 EOS-61238 5-Chloro-2-cyanopyrazine 2-CHLORO-5-CYANOPYRAZINE 2-Chloro-5-cyanopyrazine 5-CHLOROPYRAZINE-2-CARBONITRILE 5-Chloropyrazine-2-carbonitrile 2-Pyrazinecarbonitrile, 5-chloro- |
| CAS | 36070-75-4 |
| InChI | InChI=1/C5H2ClN3/c6-5-3-8-4(1-7)2-9-5/h2-3H |
36070-75-4 - Physico-chemical Properties
| Molecular Formula | C5H2ClN3 |
| Molar Mass | 139.54 |
| Density | 1.43 |
| Melting Point | 44-45 ºC |
| Boling Point | 242 ºC |
| Flash Point | 100 ºC |
| Vapor Presure | 0.036mmHg at 25°C |
| pKa | -5.41±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.568 |
36070-75-4 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - 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 - Wear suitable protective clothing and gloves. |
36070-75-4 - Introduction
2-Chloro-5-cyanopyrazine is an organic compound with the chemical formula C6H3ClN4. It is a colorless crystalline solid with a nicotine-like odor.
2-Chloro-5-cyanopyrazine has a variety of applications. First of all, it is an important intermediate, which can be used to synthesize other organic compounds, such as drugs and pesticides. Secondly, it can also be used as a synthetic intermediate for dyes.
the method for preparing 2-Chloro-5-cyanopyrazine is to generate 2-bromo -5-cyanopyrazine by reacting pyrazine with cyanogen bromide, and then through electrophilic substitution reaction, 2-bromo -5-cyanopyrazine is reacted with cuprous chloride with silver chloride in the presence of sodium carbonate to generate the target product.
Regarding the safety information of 2-Chloro-5-cyanopyrazine, it is a toxic compound that is harmful to the human body and the environment. During use, it is necessary to follow strict operating procedures and wear appropriate personal protective equipment, such as gloves, protective glasses and protective masks. Avoid inhaling its dust or contact with skin and eyes. When handling the compound, it is necessary to ensure good ventilation conditions and avoid contact with combustibles and oxidants. If inhalation, swallowing or skin contact occurs, rinse immediately with plenty of water and seek medical help.
2-Chloro-5-cyanopyrazine has a variety of applications. First of all, it is an important intermediate, which can be used to synthesize other organic compounds, such as drugs and pesticides. Secondly, it can also be used as a synthetic intermediate for dyes.
the method for preparing 2-Chloro-5-cyanopyrazine is to generate 2-bromo -5-cyanopyrazine by reacting pyrazine with cyanogen bromide, and then through electrophilic substitution reaction, 2-bromo -5-cyanopyrazine is reacted with cuprous chloride with silver chloride in the presence of sodium carbonate to generate the target product.
Regarding the safety information of 2-Chloro-5-cyanopyrazine, it is a toxic compound that is harmful to the human body and the environment. During use, it is necessary to follow strict operating procedures and wear appropriate personal protective equipment, such as gloves, protective glasses and protective masks. Avoid inhaling its dust or contact with skin and eyes. When handling the compound, it is necessary to ensure good ventilation conditions and avoid contact with combustibles and oxidants. If inhalation, swallowing or skin contact occurs, rinse immediately with plenty of water and seek medical help.
Last Update：2024-04-10 22:29:15
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