Name | 3,5-Dibromo-4-methylpyridine |
Synonyms | D258 3,5-Dibromo-4-methyl 3,5-Dibromo-4-picoline 3,5-DIBROMO-4-METHYLPYRIDINE 4-Methyl-3,5-dibromopyridine 3,5-Dibromo-4-methylpyridine Pyridine,3,5-dibroMo-4-Methyl- BP1107 3,5-Dibromo-4-methylpyridine |
CAS | 3430-23-7 |
InChI | InChI=1/C6H5Br2N/c1-4-5(7)2-9-3-6(4)8/h2-3H,1H3 |
InChIKey | BNCGUATWCKZLLN-UHFFFAOYSA-N |
Molecular Formula | C6H5Br2N |
Molar Mass | 250.92 |
Density | 1.911±0.06 g/cm3(Predicted) |
Melting Point | 104-107°C |
Boling Point | 243.0±35.0 °C(Predicted) |
Flash Point | 100.7°C |
Vapor Presure | 0.0513mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Almost white |
BRN | 1364818 |
pKa | 1.17±0.28(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.593 |
MDL | MFCD00128859 |
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. R22 - Harmful if swallowed |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36/37 - Wear suitable protective clothing and gloves. |
HS Code | 29333990 |
Hazard Class | IRRITANT-HARMFUL |
3,5-Dibromo-4-methylpyriridine (3,5-Dibromo-4-methylpyriridine) is an organic compound. The following is a description of the properties, uses, preparation and safety information of the substance:
Nature:
-Appearance: 3,5-Dibromo-4-methylpyridine is a white solid and can have a strong odor.
-Solubility: It is soluble in organic solvents such as alcohols and ethers, but has low solubility in water.
Usage:
-3,5-dibromo-4-methylpyrimidine is a commonly used intermediate in organic synthesis, used to synthesize other organic compounds, such as dyes.
Preparation Method:
The preparation of 3,5-Dibromo-4-methylpyriridine usually uses one of the following methods:
-Prepared by bromination of 4-methylpyrimidine. The 4-methylpyrimidine reacts with bromine in the reaction solvent to give 3,5-Dibromo-4-methylpyriridine.
-Prepared by bromination of pyrimidine. Pyrimidine is first brominated to form 2,6-dibromo-4-methylpyrimidine, which is then reacted by N-methylation to give the desired product.
Safety Information:
- 3,5-Dibromo-4-methylpyridine is an organic compound with certain toxicity. Pay attention to safety measures when using or handling.
-It may be irritating to the skin and eyes, and should be properly protected when in contact.
-Avoid inhaling dust and vapors from the compound and operate in a well-ventilated area.
-During storage and handling, keep away from ignition and oxidizing agents.
-If an accident or accidental ingestion occurs, seek medical help immediately and provide relevant information in the safety data sheet (SDS) provided by the laboratory.