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4-Amino-3-chloropyridine 97% of the main application fields
4-Amino-3-chloropyridine, with a purity of 97%, has a wide range of uses and has its own impact in many fields.
In the field of pharmaceutical synthesis, it plays the role of a key intermediate. In the preparation of many drugs, 4-amino-3-chloropyridine is involved as a starting material or an important link. The structure of the geinpyridine ring in the drug molecule often has an important impact on the activity, selectivity and pharmacokinetic properties of the drug. Taking some antibacterial drugs as an example, the introduction of this substance through specific reaction steps can construct a molecular structure with unique antibacterial activity, which helps to improve the inhibition and killing ability of the drug against specific pathogens.
In the field of pesticide research and development, 4-amino-3-chloropyridine is also indispensable. It can be used to synthesize new pesticides, fungicides and other pesticide products. Pyridine pesticides have attracted much attention due to their high efficiency, low toxicity and environmental friendliness. By chemically modifying 4-amino-3-chloropyridine, specific pesticides against different pests and pathogens can be developed, thus ensuring the healthy growth of crops and improving agricultural yield.
In addition, in the field of materials science, it also has applications. For example, in the preparation of organic optoelectronic materials, 4-amino-3-chloropyridine can participate in the construction of molecular systems with specific optoelectronic properties. After rational design and synthesis, these materials are expected to be applied to devices such as Light Emitting Diodes and solar cells, providing impetus for the development of new functional materials.
In summary, 4-amino-3-chloropyridine plays an important role in many key fields such as medicine, pesticides, and materials due to its unique chemical structure, and is of great significance in promoting technological innovation and development in various fields.
4-Amino-3-chloropyridine 97% of the physical properties
4-Amino-3-chloropyridine, with a purity of 97%, its physical properties are quite important. This substance is mostly in a solid state at room temperature, but the specific properties will vary slightly due to the preparation process and environmental factors. Its melting point is a specific value, which is crucial in the identification and purification of substances, and can help craftsmen determine the purity. And its boiling point is also an inherent value. When it is at the corresponding temperature, the state of the substance will change from liquid to gaseous.
4-Amino-3-chloropyridine has limited solubility in water, but it behaves differently in organic solvents. Such as in some polar organic solvents, it has a good degree of solubility. This property has a profound impact on the separation and purification steps in the chemical preparation process.
Looking at its appearance, it is mostly white or nearly white powder or crystal. This color and shape are convenient for craftsmen to initially identify. Its density is a fixed constant, which is indispensable in the measurement of materials and the design of reaction systems, and is related to the accuracy and effectiveness of the reaction.
In addition, 4-amino-3-chloropyridine has a certain stability. Under conventional environmental conditions, it can maintain its own chemical structure unchanged. In case of specific chemical reagents or extreme environments, chemical reactions will also occur. Understanding its physical properties is a crucial foundation in many fields such as chemical production and scientific research experiments, enabling craftsmen and scholars to better control this object and achieve the desired purpose.
4-Amino-3-chloropyridine 97% of chemical synthesis methods
4-Amino-3-chloropyridine, with a purity of 97%, has been chemically synthesized through the ages. Common ones can be obtained from pyridine through a series of steps such as halogenation, nitrification, and reduction.
First, under specific conditions, pyridine interacts with a halogenating agent to introduce chlorine atoms into the third position of the pyridine ring. The halogenation process needs to be controlled at a suitable temperature, pressure, and reaction time to ensure the smooth reaction and the purity of the product. Then, the obtained 3-chloropyridine is nitrified, and nitro is introduced at a suitable position. When nitrifying, factors such as the ratio of various reagents and the pH of the reaction environment need to be carefully controlled to avoid side reactions. Afterwards, the nitro group is converted into an amino group with an appropriate reducing agent. This reduction step also has strict requirements on the reaction conditions, such as the amount of reducing agent, the reaction medium, etc., all of which are related to the yield and purity of the final product.
Another way of synthesis can be started by pyridine derivatives containing specific substituents, and the synthesis of 4-amino-3-chloropyridine can be achieved by rearrangement, substitution and other reactions. Such methods may avoid the drawbacks of some traditional methods, but they also have extremely high requirements for the control of reaction skills and conditions. In the reaction, the choice of solvent, the use of catalyst or not, and the amount of dosage all have a profound impact on the process of the reaction and the quality of the product. The synthesis process needs to be carefully considered and weighed according to the specific raw materials, equipment, and expected yield and purity.
4-Amino-3-chloropyridine 97% What are the precautions in storage and transportation
4-Amino-3-chloropyridine, with a purity of 97%, needs to pay attention to many matters during storage and transportation. This substance is chemically active, and the first choice of environment when storing. It should be placed in a cool, dry and well-ventilated place, away from fire and heat sources, to prevent abnormal temperature and humidity from causing it to deteriorate or cause danger. Because it may be flammable, it needs to be stored separately from oxidants, acids, etc., to avoid chemical reactions caused by mixed storage and create safety hazards.
Packaging must be tight to ensure that there is no risk of leakage. The storage place should be equipped with suitable materials to deal with possible leakage.
As for transportation, the transportation vehicle must have the corresponding qualifications, and the driver and escort should also be familiar with the characteristics of the substance and emergency disposal methods. During transportation, ensure that the container is stable to prevent package damage caused by collision and vibration.
During the entire storage and transportation process, it is also necessary to strictly follow relevant regulations and standards, and make detailed records, including warehousing time, quantity, storage conditions and other information, for traceability and management. In this way, the safety and stability of 4-amino-3-chloropyridine during storage and transportation can be ensured.
4-Amino-3-chloropyridine 97% of the market price range
The market price range of 4-amino-3-chloropyridine with a purity of 97% is difficult to determine. The price of the market is often determined by a variety of factors.
First, the situation of supply and demand is the key. If at some point, the industry has a strong demand for 4-amino-3-chloropyridine, but the supply is limited, just like the trend of water, the price will rise; on the contrary, if the supply exceeds the demand and the stock is in the market, the price will inevitably fall.
Second, the difficulty and cost of preparation are also important. If the process of preparing this compound is complicated and abnormal, it requires a lot of rare raw materials, and it consumes huge manpower, material resources, and financial resources, and the cost is high, its price should be high; if the process is simple, the raw materials are easily available, the cost is low, and the price is also easy.
Third, the competition situation in the market cannot be underestimated. If many merchants in the city compete for share, or there is a move to win by price, the price may decline; if there are few competitors in the market, the merchants control the pricing power, and the price may be high.
Fourth, the macro-economic trend and policy orientation also have implications for its price. Economic prosperity is prosperous in all industries, and demand is booming and prices may rise; if policies are tilted, either to help production or to suppress consumption, prices can change.
Therefore, the market price range of 4-amino-3-chloropyridine with 97% purity varies from time to time, place to place, and situation to situation, ranging from a few hundred yuan per kilogram to a few thousand yuan per kilogram. It is difficult to generalize.
