T6N CNJ BE EE [WLN]
2,5-Dibromopyrimidine
CAS: 32779-37-6
Molecular Formula: C4H2Br2N2
T6N CNJ BE EE [WLN] - Names and Identifiers
| Name | 2,5-Dibromopyrimidine |
| Synonyms | 5-Dibromopyrimidine T6N CNJ BE EE [WLN] 2,5-dibroMopyriMinde 2,5-DIBROMOPYRIMIDINE 2,5-Dibromopyrimidine pyrimidine, 2,5-dibromo- Pyrimidine, 2,5-dibromo- |
| CAS | 32779-37-6 |
| EINECS | 689-451-8 |
| InChI | InChI=1/C4H2Br2N2/c5-3-1-7-4(6)8-2-3/h1-2H |
| InChIKey | XAHITOJPIWZJHD-UHFFFAOYSA-N |
T6N CNJ BE EE [WLN] - Physico-chemical Properties
| Molecular Formula | C4H2Br2N2 |
| Molar Mass | 237.88 |
| Density | 2?+-.0.06 g/cm3(Predicted) |
| Melting Point | 83.0 to 87.0 °C |
| Boling Point | 316.6±34.0 °C(Predicted) |
| Flash Point | 145.3°C |
| Vapor Presure | 0.001mmHg at 25°C |
| Appearance | Crystalline powder |
| pKa | -2.97±0.22(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Sensitive | Sensitive to air |
| Refractive Index | 1.616 |
| MDL | MFCD08275684 |
T6N CNJ BE EE [WLN] - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R41 - Risk of serious damage to eyes 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. S39 - Wear eye / face protection. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| HS Code | 29335990 |
T6N CNJ BE EE [WLN] - Introduction
2,5-dibromopyrimidine is an organic compound with the chemical formula C4H2Br2N2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 2,5-dibromopyrimidine is a colorless to pale yellow crystal or crystalline powder.
-Melting point: about 135-137 ° C.
-Boiling point: About 343 ° C.
-Density: about 2.09g/cm³.
Use:
-2,5-dibromopyrimidine is an important intermediate in organic synthesis and is widely used in the preparation of other compounds.
-It can be used to synthesize biologically active compounds, drugs, dyes and pesticides.
Method:
-The preparation method of 2,5-dibromopyrimidine can be carried out by the following steps:
1. Starting from 4-bromocyclohexylamine, it reacts with methyl bromide to generate 3,6-dibromopyrimidine.
2. Subsequently, reaction with methanol yields 2,5-dimethoxy -3,6-dibromopyrimidine.
3. Finally, the prepared 2,5-dimethoxy -3,6-dibromopyrimidine is reacted with sulfuric acid to obtain 2,5-dibromopyrimidine.
Safety Information:
- 2,5-dibromopyrimidine is dangerous in operation and needs to be operated in a suitable laboratory environment.
-It may be irritating to the eyes, skin and respiratory system, and should be careful to avoid contact.
-Wear appropriate personal protective equipment such as gloves, goggles and protective clothing when used.
-comply with relevant safety codes and regulations during handling and storage.
Please note that the information provided here is for reference only, please follow the correct laboratory safety operation guidelines and regulations in actual operation.
Nature:
-Appearance: 2,5-dibromopyrimidine is a colorless to pale yellow crystal or crystalline powder.
-Melting point: about 135-137 ° C.
-Boiling point: About 343 ° C.
-Density: about 2.09g/cm³.
Use:
-2,5-dibromopyrimidine is an important intermediate in organic synthesis and is widely used in the preparation of other compounds.
-It can be used to synthesize biologically active compounds, drugs, dyes and pesticides.
Method:
-The preparation method of 2,5-dibromopyrimidine can be carried out by the following steps:
1. Starting from 4-bromocyclohexylamine, it reacts with methyl bromide to generate 3,6-dibromopyrimidine.
2. Subsequently, reaction with methanol yields 2,5-dimethoxy -3,6-dibromopyrimidine.
3. Finally, the prepared 2,5-dimethoxy -3,6-dibromopyrimidine is reacted with sulfuric acid to obtain 2,5-dibromopyrimidine.
Safety Information:
- 2,5-dibromopyrimidine is dangerous in operation and needs to be operated in a suitable laboratory environment.
-It may be irritating to the eyes, skin and respiratory system, and should be careful to avoid contact.
-Wear appropriate personal protective equipment such as gloves, goggles and protective clothing when used.
-comply with relevant safety codes and regulations during handling and storage.
Please note that the information provided here is for reference only, please follow the correct laboratory safety operation guidelines and regulations in actual operation.
Last Update：2024-04-09 21:00:56
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CAS: 32779-37-6
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