3-Amino-5-chloropyridine97%

3-Amino-5-chloropyridine (content 97%, 25%) has a wide range of uses. In the field of pharmaceutical synthesis, this compound is often a key intermediate. Due to the characteristics of amino and chlorine atoms in its structure, it can participate in a variety of chemical reactions and help build complex drug molecular structures. For example, in the development of antibacterial and anti-inflammatory drugs, 3-amino-5-chloropyridine can introduce specific functional groups by reacting with other reagents to meet the requirements of drug activity.
In the field of pesticide chemistry, it also has important applications. With its unique chemical properties, it can be used as a raw material to synthesize new pesticides. Such pesticides may have highly selective poisoning effects on specific pests, or can enhance the disease resistance of crops, and compared with traditional pesticides, they may have the advantages of low toxicity and low residue, which is in line with the current demands of green agriculture development.
In terms of materials science, 3-amino-5-chloropyridine can participate in the preparation of some functional materials. For example, when synthesizing specific photoelectric materials, it can adjust the electronic structure and optical properties of the materials, so that the materials show unique application value in photoelectric devices, such as Light Emitting Diode, solar cells and other fields, providing new ways for material performance improvement and functional expansion.

The production process of 3-amino-5-chloropyridine is 97% 25%, which is quite delicate and needs to be carefully controlled.
In the initial stage, specific pyridine compounds are often used as starting materials. This starting material needs to be selected several times to ensure that its quality is high and there are few impurities, so as to lay a good foundation for the subsequent reaction.
Then, a halogenation step is introduced. In this process, suitable halogenating reagents are usually selected to make the halogenation reaction occur precisely at a specific position on the pyridine ring, and chlorine atoms are successfully introduced at the 5-position of the pyridine. This reaction requires strict reaction conditions, and the temperature, reaction time, and amount of halogenating reagent need to be carefully regulated. If the temperature is too high, it may cause side reactions such as excessive halogenation; if the temperature is too low, the reaction rate will be slow and the production efficiency will be affected.
After the halogenation reaction is completed, the product undergoes a series of separation and purification operations to remove unreacted raw materials, halogenated reagents and by-products. Commonly used separation methods, such as extraction, distillation, recrystallization, etc., need to be reasonably selected according to the characteristics of the product.
Then, enter the amination stage. Appropriate amination reagents are used to promote the introduction of amino groups into the 3-position of the pyridine ring. This process is also extremely sensitive to reaction conditions. The pH, temperature and reaction time of the reaction system are all related to the effectiveness of the amination reaction. Improper pH, or changes in the activity of amination reagents, affect the reaction process; inappropriate temperature will also shift the selectivity of the reaction and generate unnecessary by-products.
After the amination reaction is completed, separation, purification and other operations are carried out again to obtain high-purity 3-amino-5-chloropyridine products. Finally, the entire production process can be completed after accurate testing and analysis to ensure that the purity of the product reaches the standard of 97% 25%. This production process, each step is closely connected, and negligence in any link may affect the quality and yield of the product.

3-Amino-5-chloropyridine, with a content of 97%, the market price range will change due to many factors. In the past, the price of such chemical raw materials often depended on supply and demand, process difficulties and raw material costs.
When the market conditions are stable and supply and demand are slightly even, the price of 3-amino-5-chloropyridine with 97% purity may be between [X1] yuan and [X2] yuan per kilogram. In case of peak demand season and tight supply, such as the peak production of some pharmaceutical intermediates, the price may rise, up to [X3] yuan per kilogram.
However, if the market is oversupplied, such as capacity expansion, and downstream demand does not follow, the price may drop to [X4] yuan per kilogram. And different purchase quantities also affect the price. If the batch is large, there may be a discount of [X5] yuan per kilogram.
As for 25%, the price is often calculated based on the content ratio, combined with the price of 97%, or about [X6] times the price of 97%. However, the actual price still needs to consider factors such as packaging, transportation and trading places, so the exact price should be consulted with the chemical market merchants in detail to clarify the current situation.

3-Amino-5-chloropyridine 97% and 25%, the Quality Standard is related to a number of factors. First of all, when it comes to appearance, when it is off-white to light yellow crystalline powder, this is an intuitive lesson. Its content, 97%, should naturally reach more than 97.0%, and 25% also need to meet the corresponding specifications. In terms of melting point, it is often in a specific range, about 148 ° C - 152 ° C. Precise control of this parameter can prove its purity.
Impurity content is also key. A single impurity should not be higher than a certain proportion, such as 0.5%, and the total impurity should not exceed 3.0% to ensure the main composition advantage. The moisture content should be strictly controlled, generally not more than 0.5%, due to excessive moisture or affecting its chemical stability.
In addition, the heavy metal content must be extremely low, such as lead, mercury, etc., to ensure product safety, usually lead content should not exceed 10ppm. These Quality Standards are of great significance in industrial production, scientific research applications and other fields. Precise compliance can ensure the quality and performance of 3-amino-5-chloropyridine.

3-Amino-5-chloropyridine (content 97%) Compared with other similar products, its advantages are mainly reflected in the following aspects.
First, the chemical structure is unique. The combination of amino and chlorine atoms in a specific position of the pyridine ring in this substance gives it special chemical activity. This structural characteristic makes it exhibit a unique reaction path and selectivity when participating in various chemical reactions. For example, in some nucleophilic substitution reactions, amino and chlorine atoms can be used as reaction check points respectively. According to the difference in reaction conditions, selective substitution occurs, providing more possibilities for the synthesis of organic compounds with specific structures. However, other similar products are difficult to achieve such precise reaction regulation due to different structures.
Second, the advantage of high purity. 97% purity means that the impurity content is low, which has a significant impact on the reaction results. In the synthesis of 3-amino-5-chloropyridine as raw material, less impurities can reduce the occurrence of side reactions. Impurities may often participate in unexpected reactions and generate useless by-products, which not only reduce the yield of the target product, but also increase the difficulty of separation and purification. The high purity of 3-amino-5-chloropyridine can ensure that the reaction can be carried out efficiently and stably, resulting in a purer target product, which is unmatched by many similar products with lower purity.
Third, it has a wide range of applications. Due to its unique structure and high purity, it has important applications in many fields such as medicine, pesticides, and materials. In the field of medicine, it can be used as a key intermediate for the synthesis of drug molecules with specific pharmacological activities; in the field of pesticides, it helps to develop high-efficiency, low-toxicity and environmentally friendly pesticides; in the field of materials, it can participate in the preparation of functional materials. In contrast, other similar products may only be used in individual fields due to performance limitations.