21943-13-5
5-Bromo-3-chloropyrazin-2-amine
CAS: 21943-13-5
Molecular Formula: C4H3BrClN3
21943-13-5 - Names and Identifiers
21943-13-5 - Physico-chemical Properties
| Molecular Formula | C4H3BrClN3 |
| Molar Mass | 208.44 |
| Density | 1.960 |
| Melting Point | 128℃ |
| Boling Point | 271℃ |
| Flash Point | 118℃ |
| Vapor Presure | 0.007mmHg at 25°C |
| pKa | 0.81±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
| Refractive Index | 1.66 |
21943-13-5 - Risk and Safety
| Risk Codes | 41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| UN IDs | UN2811 |
21943-13-5 - Introduction
It is an organic compound with the chemical formula C4H3BrClN2. It is a solid substance, white crystal or powder at room temperature.
The following are some of the properties of this compound:
-Melting point: about 130-135 ° C
-Boiling point: no clear data
-Density: about 1.9g/cm³
-Solubility: Soluble in some organic solvents (such as ethanol, dimethyl sulfoxide), insoluble in water.
It has certain application value in organic synthesis:
-It can be used as an intermediate for drugs or pesticides to synthesize more complex compounds.
-Due to its bromine and chlorine functional groups, it may have certain biological activity.
The method of preparing calcium is usually by chlorinating 5-bromopyrazine and then treating the resulting compound under acidic conditions. The specific preparation method may vary depending on the experimental conditions and purposes.
Regarding safety information, since each experiment or application environment may vary, it is recommended to strictly follow relevant safety operating procedures when using compounds. This includes wearing appropriate personal protective equipment (e. G. Gloves, goggles) and working in a well-ventilated laboratory. In addition, the toxicity and hazard information of this compound and its impact on the environment require further evaluation and research in specific applications.
The following are some of the properties of this compound:
-Melting point: about 130-135 ° C
-Boiling point: no clear data
-Density: about 1.9g/cm³
-Solubility: Soluble in some organic solvents (such as ethanol, dimethyl sulfoxide), insoluble in water.
It has certain application value in organic synthesis:
-It can be used as an intermediate for drugs or pesticides to synthesize more complex compounds.
-Due to its bromine and chlorine functional groups, it may have certain biological activity.
The method of preparing calcium is usually by chlorinating 5-bromopyrazine and then treating the resulting compound under acidic conditions. The specific preparation method may vary depending on the experimental conditions and purposes.
Regarding safety information, since each experiment or application environment may vary, it is recommended to strictly follow relevant safety operating procedures when using compounds. This includes wearing appropriate personal protective equipment (e. G. Gloves, goggles) and working in a well-ventilated laboratory. In addition, the toxicity and hazard information of this compound and its impact on the environment require further evaluation and research in specific applications.
Last Update：2024-04-09 21:04:16
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