Diethyl Glutarate

Diethyl glutarate (Diethyl Glutarate) has a wide range of uses. In the industrial field, it is often used as a plasticizer. It can greatly increase the flexibility of plastic products. If used in polyvinyl chloride and other materials, it is not easy to crack and has good ductility. Such as plastic films, artificial leather and other products seen in daily life, it has better processing performance and performance. In the fragrance industry, diethyl glutarate also has wonderful uses. It can be used as a solvent for fragrances, helping to better disperse and evaporate fragrances, and enhancing the durability and stability of flavors. And it also has a certain aroma, which can participate in the formulation of a variety of fragrances, adding a unique flavor to the essence, such as in some floral or fruity flavors, contributing its unique flavor. In the field of organic synthesis, this substance is an important intermediate. With its specific chemical structure, it can undergo many chemical reactions to construct complex organic compounds. Chemists often start with it and prepare fine chemicals such as medicines and pesticides through reactions such as esterification and condensation. For example, when synthesizing drug molecules with specific structures, diethylglutarate can be introduced as a key structural unit to help synthesize compounds with specific biological activities, providing an important foundation for pharmaceutical research and development.

Diethylglutarate is one of the organic compounds. Its physical properties are quite characteristic. Looking at its properties, at room temperature, it often takes the form of a colorless to light yellow transparent liquid, like the shimmer of morning mist, clear and soft. When it comes to smell, it emits a unique light fragrance. Although it is not rich and pungent, it seems to be absent and lingering. As for the boiling point, it is between 250 and 260 degrees Celsius, just like cooking with the right heat, which needs to be accurately grasped. At this temperature, the molecules break free from the shackles of the liquid phase and rise into a gaseous state. Its melting point is relatively low, about minus 20 degrees Celsius, just like something that is still resilient in the cold night of winter, and still maintains a specific physical form at low temperatures. The density of diethylglutarate is about 1.8 grams per cubic centimeter, which is slightly heavier than water. It is like a stable stone in water and slowly settles. In terms of solubility, it can be soluble in many organic solvents, such as ethanol, ether, etc., just like a fish entering water, and it blends seamlessly. This property makes it an excellent solvent in the field of organic synthesis, assisting various reactions. And because of its stable physical properties, it is a reliable choice in many industrial and scientific applications.

Diethylglutarate, which is mild in nature, colorless and clear, and is an oily liquid. The boiling point is quite high, about 250 and 8 degrees, and the relative density is nearly one, slightly higher than that of water. It is insoluble in water, but it is miscible with organic solvents such as alcohols and ethers. It is like water emulsion and affinity with each other. This compound has ester-like universality. In the context of strong acids or bases, it can be hydrolyzed to produce glutaric acid and ethanol. Under acid catalysis, hydrolysis is carried out slowly, just like a fine flow of moisturizer, and it is gradually achieved; if alkali is used as the catalyst, hydrolysis is rapid, like a torrent breaking a dike, and it is completed in an instant. Because of its certain chemical activity, it can be used to synthesize a variety of In the stage of organic synthesis, it is often used as a key raw material to build complex organic structures through ingenious reactions. And because of its suitable boiling point and good solubility, in industrial production, it is often used as a high-boiling solvent to help various reactions carry out smoothly, just like a silent hero behind the scenes. When storing, pay attention to avoiding heat and moisture, and place it in a cool and dry place to prevent deterioration. Although its chemical properties are not extremely active, improper storage will also be affected by the environment, resulting in quality changes and affecting the effectiveness of subsequent use.

The common methods for preparing diethyl glutarate are as follows. First, glutaric acid and ethanol are used as raw materials and obtained by esterification. This is a traditional method. Strong acids such as sulfuric acid are used as catalysts. Under heating conditions, glutaric acid interacts with ethanol. The reaction process is: the carboxyl group of glutaric acid and the hydroxyl group of ethanol dehydrate and condensate, the acid dehydrogenates the alcohol, and then forms diethyl glutarate and water. During the reaction, attention should be paid to controlling the reaction temperature and material ratio to improve the yield. However, strong acid catalysts also have drawbacks, such as serious corrosion to equipment and complicated subsequent separation. Second, it is prepared by reacting glutaric anhydride with ethanol. Glutaric anhydride encounters ethanol, and the anhydride group reacts with ethanol. This reaction is relatively mild and the yield is considerable. Glutaric anhydride first reacts with one molecule of ethanol to form an intermediate product, and then reacts with another molecule of ethanol to obtain diethyl glutarate. The advantage of this method is that the reaction conditions are mild and the equipment requirements are slightly lower, which can reduce the occurrence of side reactions. Third, halogenated glutarate is reacted with sodium ethanol. Halogenated glutarate and sodium ethanol undergo nucleophilic substitution, and the halogen atom is replaced by ethoxy to obtain diethyl glutarate. This reaction needs to be carried out in an anhydrous environment, because sodium ethanol is easy to decompose in contact with water. During the reaction process, the halogen atom activity of haloglutarate has a great influence on the reaction, and the reaction conditions need to be precisely controlled to prevent side reactions, such as elimination reactions. The above methods have their own advantages and disadvantages. In actual production, it is necessary to weigh the appropriate method according to the specific situation, such as the availability of raw materials, cost, equipment conditions and other factors.

The price of diethyl glutarate in the market, what is the range? This product is commonly used in chemical industry, and the price varies with the purity, supply and demand of the product. If the purity is high and the quality is high, the price will be expensive; if the mass production is large and the supply is sufficient, the price may drop; if the demand is large, the price may rise. The price in the past was about 30 to 80 yuan per kilogram. However, this is only an approximate number. Recently, the market situation has changed, and the price varies. If you want to know the exact price, you can consult the supplier of chemical raw materials, or check it on the chemical trading platform. The quotations of various merchants may be different, and more choices can be made to know the range of the current price, and you can buy it at a good price.