2 5 Dibromo 3 Chloropyridine
pyridine pyrrole pyrazine piperidine piperazine

2,5-dibromo-3-chloropyridine

    Specifications

    HS Code

    387820

    Chemical Formula C5H2Br2ClN
    Molecular Weight 272.34
    Appearance Solid (likely white or off - white powder)
    Solubility In Water Low (organic halopyridines are generally sparingly soluble in water)
    Solubility In Organic Solvents Soluble in common organic solvents like dichloromethane, chloroform

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    General Information
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    Frequently Asked Questions

    As a leading 2,5-dibromo-3-chloropyridine supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What are the main uses of 2,5-dibromo-3-chloropyridine?
    2% 2C5-dibromo-3-iodobenzoic acid is mainly used in the field of organic synthesis. It can be used as a key intermediate to construct various complex organic compounds. In the field of medicinal chemistry, it can be converted into drug molecules with specific pharmacological activities through specific reactions, which can help the development of new drugs. In the field of materials science, polymer materials with unique properties can be prepared by reacting with other compounds, such as materials with special optical and electrical properties.
    Guanfu 2% 2C5-dibromo-3-iodobenzoic acid This substance is an important intermediate in the field of organic synthesis. It can be combined with other substances through various reactions, and then complex organic compounds can be constructed. In the way of drug development, based on it, ingenious reactions can be made, or pharmacologically active drug molecules can be prepared, which is actually the help for the creation of new drugs. As for the field of material science, combining with other compounds, or preparing polymer materials with unique properties, such as those with special optical and electrical properties, all rely on this substance to participate in the reaction. Therefore, 2% 2C5-dibromo-3-iodobenzoic acid has important uses in many fields such as organic synthesis, pharmaceutical chemistry, and materials science, and is important for scientific research and industrial production.
    What are the synthesis methods of 2,5-dibromo-3-chloropyridine?
    The synthesis method of 2% 2C5-dibromo-3-iodobenzoic acid, under the paradigm of Tiangong Kaiwu, is described in the following words:
    To prepare 2% 2C5-dibromo-3-iodobenzoic acid, benzoic acid can be selected as the starting material, and the method of bromination and iodization can be obtained.
    Take benzoic acid first, place it in a suitable reaction vessel, add an appropriate amount of catalyst, and carry out the bromination reaction with bromine. When brominating, control its temperature and rate to ensure a stable and orderly reaction. Due to the structural characteristics of benzoic acid, bromine atoms are easily substituted in specific positions, and 2% 2C5-dibromobenzoic acid can be obtained. This step of the reaction is related to the purity and yield of the product, so it needs to be carefully operated to observe the signs of the reaction.
    Next, 2% 2C5-dibromobenzoic acid is used as the substrate and placed in the reaction system together with the iodine reagent. The choice of iodine reagent needs to be adapted to the conditions of the reaction, and the iodization process should also be temperature-controlled and controlled. After this iodization reaction, iodine atoms are added to the specific check point of 2% 2C5-dibromobenzoic acid, and finally 2% 2C5-dibromo3-iodobenzoic acid is obtained.
    After the reaction is completed, the product needs to be separated and purified. Commonly used methods include recrystallization, column chromatography, etc. For recrystallization, the solubility of the product in the solvent at different temperatures is different, except for its impurities; column chromatography is based on the adsorption and distribution of the product and impurities between the stationary phase and the mobile phase to achieve the effect of separation. After these steps, pure 2% 2C5-dibromo-3-iodobenzoic acid can be obtained. The whole process of synthesis, each step needs to be carefully handled, and the control of the reaction conditions and the matching of materials need to be accurate in order to obtain satisfactory results.
    What are the physical properties of 2,5-dibromo-3-chloropyridine?
    2% 2C5-dibromo-3-iodobenzoic acid is an organic compound. Its physical properties are as follows:
    Looking at its morphology, it is usually a solid at room temperature. Due to the strong intermolecular forces, it has a relatively stable structure. Its color may be white to light yellow, which is determined by the molecular structure of light absorption and reflection characteristics.
    When it comes to melting point, due to the existence of various forces in the molecule, such as van der Waals force, hydrogen bonds, etc., its melting point is quite high, and a specific temperature is required to convert it from solid to liquid. However, the exact melting point value will vary slightly depending on the purity of the sample and the measurement method.
    As for solubility, because the molecule contains polar groups, it has a certain solubility in polar solvents (such as methanol, ethanol, acetone, etc.). Its polar groups can form interactions with polar solvent molecules, such as hydrogen bonds, dipole-dipole interactions, etc., thereby promoting dissolution. However, in non-polar solvents (such as n-hexane, benzene, etc.), the solubility is extremely low, because it is difficult for the non-polar part to interact effectively with the non-polar solvent molecules.
    In addition, the density of this compound is also an important physical property. Its density value depends on the molecular weight and the way of molecular packing. Because the molecule contains elements with relatively large atomic mass such as bromine and iodine, the density is relatively high. In summary, 2% 2C5-dibromo-3-iodobenzoic acid has specific physical properties such as morphology, color, melting point, solubility, and density, which are determined by its molecular structure and are essential for its applications in chemical synthesis, materials science, and other fields.
    What is the market price of 2,5-dibromo-3-chloropyridine?
    At present, the price of goods in the market is volatile, and it varies depending on supply and demand and cost. As for 2,5-dichloro-3-fluoropyridine, its price also fluctuates according to various circumstances.
    Looking at the past, the production of materials is related to the origin, season, and manpower, so the price is different. Today, the price of 2,5-dichloro-3-fluoropyridine is also caused by many factors. First, the price of raw materials is the primary reason. If the raw materials are easily available and abundant, the cost will decrease and the price will also decrease; conversely, the raw materials are rare and the price will be high.
    Second, the market supply and demand trend is the most important. There are many people who need it, but the production is insufficient, and the price will rise; if the supply exceeds the demand, the business wants to sell quickly, and the price may drop. Furthermore, the complexity and simplicity of the craftsmanship and the novelty of the technology also involve costs. Sophisticated techniques may reduce consumption and increase production, making the price better; on the contrary, crude methods will lead to high costs and difficult to be close to the people.
    There are policies and regulations, transportation costs, etc., all of which affect the price. Government limits production, pipes, or causes changes in production and prices move; the distance and distance of transportation, and the amount of travel costs, also add to the cost of goods.
    Therefore, in order to know the market price of 2,5-dichloro-3-fluoropyridine, it is necessary to carefully analyze the situation of raw materials, market supply and demand, process progress, policy guidance and logistics costs, etc., and then we can obtain the general idea. However, the market conditions are ever-changing, and the price is difficult to determine. It rises and falls from time to time, all following the rules of the market.
    What are the precautions for storing and transporting 2,5-dibromo-3-chloropyridine?
    When storing and transporting 2% 2C5-dibromo-3-iodobenzoic acid, the following things should be paid attention to:
    First, because of its chemical activity, when storing, be sure to choose a dry, cool and well-ventilated place. Humid environment can easily cause it to deteriorate, and high temperature may cause chemical reactions, which will damage its quality. For example, if stored in a hot and humid place, it may cause the substance to deliquescent, which in turn affects its chemical properties.
    Second, when storing, make sure that the container is tightly sealed. This substance may react with oxygen, water vapor and other components in the air, and the seal can effectively block the interference of external factors. For example, it is packed in a special sealed bottle to prevent air penetration.
    Third, during transportation, avoid violent vibration and collision. Violent vibration or collision may cause damage to the container, and the leakage of the substance may not only cause waste, but also pose a threat to the surrounding environment and personnel safety.
    Fourth, transportation and storage should be kept away from fire sources, heat sources and various oxidants. 2% 2C5-dibromo-3-iodobenzoic acid may cause combustion and explosion in case of open flame, hot topic or contact with oxidants. For example, if placed in a place with a strong oxidant, a slight carelessness may trigger a violent chemical reaction, resulting in danger.
    Fifth, operators and transportation personnel should wear appropriate protective equipment, such as gloves, goggles, protective clothing, etc. This substance may cause irritation and damage to human skin, eyes and other parts, so necessary protection is indispensable to ensure personnel safety.