Pyrimidine, 2,4-dibromo-
2,4-Dibromopyrimidine
CAS: 3921-01-5
Molecular Formula: C4H2Br2N2
Pyrimidine, 2,4-dibromo- - Names and Identifiers
| Name | 2,4-Dibromopyrimidine |
| Synonyms | 2,4-Dibromopyrimidine 2,4-DIBROMOPYRIMIDINE 2,4-Dibromo-1,3-diazine pyrimidine, 2,4-dibromo- Pyrimidine, 2,4-dibromo- |
| CAS | 3921-01-5 |
| InChI | InChI=1/C4H2Br2N2/c5-3-1-2-7-4(6)8-3/h1-2H |
Pyrimidine, 2,4-dibromo- - Physico-chemical Properties
| Molecular Formula | C4H2Br2N2 |
| Molar Mass | 237.88 |
| Density | 2.197 |
| Melting Point | 65-67 °C |
| Boling Point | 316.6±34.0 °C(Predicted) |
| Flash Point | 145.3°C |
| Vapor Presure | 0.001mmHg at 25°C |
| pKa | -3.17±0.20(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
| Refractive Index | 1.615 |
| MDL | MFCD06798232 |
Pyrimidine, 2,4-dibromo- - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - 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. S37 - Wear suitable gloves. |
| HS Code | 29335990 |
| Hazard Class | IRRITANT, KEEP COLD, |
Pyrimidine, 2,4-dibromo- - Introduction
2,4-Dibromopyrimidine is an organic compound with the chemical formula C4H2Br2N2. The following is a description of the nature, use, preparation and safety information of 2,4-Dibromopyrimidine:
Nature:
1. Appearance: 2,4-Dibromopyrimidine is colorless or pale yellow crystal.
2. Solubility: It has low solubility in water, but better solubility in organic solvents.
3. Melting point: Its melting point is 82-85°C.
4. Reactivity: 2,4-Dibromopyrimidine can be used as an important intermediate in some reactions.
Use:
1. Chemical synthesis: 2,4-Dibromopyrimidine is commonly used in organic synthesis and can be used as a starting material or intermediate for the synthesis of other compounds.
2. Drug research: It also plays an important role in drug research and can be used to synthesize biologically active compounds.
Preparation Method:
The preparation of 2,4-Dibromopyrimidine can be carried out by one of the following methods:
1. The reaction of 1,3-dichloropyrimidine and bromine or 2,4-dinitropyrimidine is carried out.
2. Reaction 1-bromopyrimidine and 3-bromopyrimidine reaction to carry out.
Safety Information:
1. 2,4-Dibromopyrimidine is irritating and avoid direct contact with skin and eyes. If exposed, rinse immediately with plenty of water.
2. It should be stored in a sealed container, away from fire and oxidizing agents.
3. When using and storing, please wear appropriate protective gloves and eye protection device to ensure that the operating environment is well ventilated.
4. When using or handling 2,4-Dibromopyrimidine, please follow the correct laboratory operating practices and safe operating procedures.
Nature:
1. Appearance: 2,4-Dibromopyrimidine is colorless or pale yellow crystal.
2. Solubility: It has low solubility in water, but better solubility in organic solvents.
3. Melting point: Its melting point is 82-85°C.
4. Reactivity: 2,4-Dibromopyrimidine can be used as an important intermediate in some reactions.
Use:
1. Chemical synthesis: 2,4-Dibromopyrimidine is commonly used in organic synthesis and can be used as a starting material or intermediate for the synthesis of other compounds.
2. Drug research: It also plays an important role in drug research and can be used to synthesize biologically active compounds.
Preparation Method:
The preparation of 2,4-Dibromopyrimidine can be carried out by one of the following methods:
1. The reaction of 1,3-dichloropyrimidine and bromine or 2,4-dinitropyrimidine is carried out.
2. Reaction 1-bromopyrimidine and 3-bromopyrimidine reaction to carry out.
Safety Information:
1. 2,4-Dibromopyrimidine is irritating and avoid direct contact with skin and eyes. If exposed, rinse immediately with plenty of water.
2. It should be stored in a sealed container, away from fire and oxidizing agents.
3. When using and storing, please wear appropriate protective gloves and eye protection device to ensure that the operating environment is well ventilated.
4. When using or handling 2,4-Dibromopyrimidine, please follow the correct laboratory operating practices and safe operating procedures.
Last Update：2024-04-09 02:00:45
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