2-BROMO-4-METHYL-5-AMINOPYRIDINE

2-Bromo-4-methyl-5-aminopyridine is widely used in the field of organic synthesis. First, it is often used as a pharmaceutical intermediate. In the process of creating new drugs, this compound can participate in various reactions due to its specific chemical structure to build a molecular framework with specific biological activities. For example, when developing therapeutic drugs for specific diseases, its amino group and bromine atom can be linked with other organic molecules to generate complex compounds with potential pharmacological effects.
Second, it also plays an important role in the field of pesticide synthesis. With its unique structure, many pesticide products with insecticidal, bactericidal or herbicidal activities can be derived. By modifying and modifying its structure, the activity, selectivity and environmental compatibility of pesticides can be optimized, providing high-efficiency and low-toxicity protective agents for agricultural production.
Furthermore, in the field of materials science, 2-bromo-4-methyl-5-aminopyridine can be used as the cornerstone of building functional materials. After a specific reaction, it is integrated into the structure of polymer materials, giving the material special properties such as optics and electricity, so as to meet the specific needs of electronic devices, optical materials and other fields. In short, due to its unique chemical structure and reactivity, it has shown significant application value in many important fields.

2-Bromo-4-methyl-5-aminopyridine is one of the organic compounds. Its physical properties are worth exploring.
Looking at its appearance, at room temperature, it is mostly in a solid state. As for the color, or white to light yellow powder, this varies slightly depending on the preparation method and purity.
The melting point is about within a certain range. This value is crucial for the identification and purification of this substance, because the melting point is an inherent characteristic of the substance, just like a human fingerprint, which has the effect of unique identification. Accurate determination of the melting point can provide an important basis for determining its purity. If the purity is high, the melting point range is narrow and close to the theoretical value; if it contains impurities, the melting point decreases and the melting range becomes wider.
Furthermore, the solubility of this substance is also a key property. In organic solvents, such as common ethanol, dichloromethane, etc., it shows a certain solubility. For ethanol, polar organic solvents, 2-bromo-4-methyl-5-aminopyridine can form hydrogen bonds and other interactions with ethanol molecules because its molecular structure contains polar groups such as amino groups, so it can dissolve in it. Although dichloromethane has a weak polarity, it can also dissolve the compound to a certain extent by virtue of the van der Waals force between molecules. However, in water, its solubility is relatively poor, due to the strong polarity of water, the matching degree with the molecular structure of the compound is not as good as the above-mentioned organic solvents, making it difficult to dissolve in water in large quantities.
In addition, the density of this substance is also one of the physical properties. The determination of density is of great significance in chemical production and experimental operations, and is related to the precise control of the measurement and mixing ratio of materials. Although its density value may vary slightly due to different measurement conditions, it has a relatively stable value under standard conditions, providing important parameters for related work.
In summary, the physical properties of 2-bromo-4-methyl-5-aminopyridine, such as appearance, melting point, solubility and density, are the basis for the understanding and application of this substance, and play an indispensable role in many fields such as organic synthesis and drug development.

The chemical synthesis of 2-bromo-4-methyl-5-aminopyridine is an important research direction in the field of organic synthesis. To synthesize this substance, various paths are often followed.
First, it can be started from a suitable pyridine derivative. First, the pyridine ring is substituted and modified with a specific reagent, and the methyl group is introduced at a specific position. If a reagent containing methyl is selected, under appropriate reaction conditions, after nucleophilic substitution or other related reactions, the methyl group is successfully connected to the corresponding check point of the pyridine ring to obtain a methyl-containing pyridine intermediate.
Then, the intermediate is brominated. Select a suitable brominating reagent, such as bromine (\ (Br_ {2}\)) with a suitable catalyst, or choose other active brominating agents, in a controlled reaction environment, so that the bromine atom precisely replaces the hydrogen atom at a specific position on the pyridine ring, thereby obtaining a bromine and methyl-containing pyridine derivative.
The last step is to achieve the introduction of amino groups. It can be achieved by aminolysis. Using ammonia or its related compounds, under certain conditions of temperature, pressure and catalyst existence, the bromine-containing pyridine derivative reacts with ammonia, and the bromine atom is replaced by an amino group, resulting in 2-bromo-4-methyl-5-aminopyridine.
In addition, there may be other innovative synthesis paths, such as the coupling reaction catalyzed by transition metals, to complete the construction of this compound in a more efficient and selective way. During the synthesis process, it is necessary to carefully control the conditions of each step of the reaction, including temperature, reaction time, and proportion of reactants, in order to improve the purity and yield of the product.

2-Bromo-4-methyl-5-aminopyridine is one of the chemical substances. When storing and transporting, many matters need to be paid attention to.
First words storage. This substance should be stored in a cool, dry and well-ventilated place. Due to its nature or sensitivity to temperature and humidity, if it is placed in a high temperature and humid place, it may deteriorate and affect its chemical properties. And it must be kept away from fires and heat sources, because it may be flammable or have adverse reactions with heat. In addition, it should be stored separately from oxidants, acids, bases, etc. to avoid mixed storage. Contact with these substances can easily cause chemical reactions, causing them to fail or form dangerous products. At the same time, the storage area should be equipped with suitable materials to contain the leakage, in case of leakage, it can be disposed of in time to avoid greater harm.
As for transportation. Be sure to ensure that the packaging is complete and sealed before transportation. The packaging material must be able to withstand a certain external force, so as not to cause material leakage due to damage during transportation. During transportation, the relevant transportation regulations must be strictly adhered to, and the vehicle should be equipped with corresponding fire fighting equipment and leakage emergency treatment equipment. Drivers and escorts must also be familiar with the nature of the substance and emergency treatment methods. During transportation, they should follow the specified route and do not stop in densely populated areas or traffic arteries to prevent accidents from endangering the safety of everyone. In conclusion, the storage and transportation of 2-bromo-4-methyl-5-aminopyridine requires caution and scientific methods and regulations to ensure safety.

2-Bromo-4-methyl-5-aminopyridine, this substance is in the market, and its price range is difficult to determine. Its price often changes due to various reasons, and the supply and demand of the market, the simplicity of the system, and the quality of the quality are all causes of change.
If the market is prosperous and the supply is small, its price may rise; otherwise, if the supply is light, the price may fall. And if the system needs to be multiplied and consumes more materials, the cost will be high, and the price will rise accordingly. Furthermore, those with high quality are often expensive, and those with poor quality are cheap.
Looking at the past, the price of chemistry often fluctuates. When looking for the market, there are a few yuan per gram, and there are also tens of yuan per gram, or even higher. For large purchases, you may get a preferential price due to the quantity; for small quantities, the price may be too high. Therefore, in order to know the exact price, you need to check the chemical market frequently and consult the supplier before you can get a more accurate number. If you want to buy this product, you should not only look at the price, but also review its quality, measure its source, and comprehensively consider it, so as to make a good choice, so as not to make mistakes due to the price, resulting in unnecessary purchases.