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What are the main uses of tetradecanedioic acid?
Tetradecanedioic acid (Tetradecanedioic Acid), also known as myristic acid, has a wide range of uses.
In the chemical industry, this is an important raw material for organic synthesis. From the perspective of polyester synthesis, tetradecanedioic acid can be polycondensed with polyols to make polyester materials with unique properties. This polyester can impart good flexibility and chemical resistance to coatings in coatings, and is widely used in surface coating of automobiles, furniture, etc.; in the field of engineering plastics, it can improve the toughness and thermal stability of plastics, and is used in electronic appliances, machinery manufacturing and other industries.
In addition, it also has key uses in the field of medicine. It can be used as a pharmaceutical intermediate to synthesize drugs with specific physiological activities. In the preparation of some antibacterial and anti-inflammatory drugs, tetradecarboxylic acid is involved and contributes a lot to human health.
In the fragrance industry, due to its special molecular structure, it can be chemically reacted to produce fragrance components with unique aroma. These fragrances are used in perfumes, cosmetics, detergents and other products to add a pleasant fragrance.
tetradecarboxylic acid plays an important role in the chemical, pharmaceutical, fragrance and other industries, and plays a significant role in promoting the development of various industries.
What are the physicochemical properties of tetradecanedioic acid?
Tetradecanedioic acid is white and pure in color. It is a solid state at room temperature, and its properties are stable and not changeable. Its melting point is between 128 and 130 degrees Celsius. At this temperature, tetradecanedioic acid gradually melts from the solid state to a liquid state, just like ice and snow melting when warm. Its boiling point is quite high, about 394.4 degrees Celsius, and it needs extreme heat to boil and vaporize.
Tetradecanedioic acid is difficult to dissolve in water because of its molecular structure and weak affinity with water. It is difficult to blend in water such as oil floating on water. However, it is soluble in organic solvents such as alcohols and ethers, such as ethanol and ether, and can be miscible with these solvents, just like fish entering water and getting from each other.
Its acidity is mild, and in chemical reactions, it can exhibit the typical properties of carboxylic acids. It can neutralize with bases to generate corresponding salts and water, which is a common way of acid-base neutralization. It can also esterify with alcohols under specific conditions to form ester compounds. This reaction is like the careful carving of craftsmen to generate new substances with unique characteristics. Tetradecanedioic acid is widely used in the field of organic synthesis. It is often an important raw material for the preparation of polyester, polyamide and other polymer materials. It contributes to the chemical industry and helps the birth of many materials. It is of great value in industrial production and scientific research and exploration.
What is the production method of tetradecanedioic acid?
Tetradecanedioic acid, also known as tetradecanedioic acid, is commonly prepared by the following methods.
One is the method of using butadiene as the initial material. Butadiene is first hydroformylated with carbon monoxide and hydrogen under suitable catalyst and reaction conditions to obtain glutaraldehyde. Glutaraldehyde can be prepared by oxidation step. In this path, the key to the hydroformylation reaction is to select a suitable catalyst to improve the selectivity and efficiency of the reaction. The oxidation process also requires precise control of the reaction conditions to efficiently convert glutaraldehyde into the target product.
The second is the method of using castor oil as the raw material. Castor oil can be formed into tetradecanedioic acid through a series of reactions such as saponification and cracking. During saponification, castor oil reacts with alkali to form ricinoleate and glycerin. Then in the cracking step, under the action of specific temperature, pressure and catalyst, ricinoleate is cracked to produce tetradecanedioic acid. This process requires strict control of the conditions of saponification and cracking, such as the concentration of lye, reaction temperature and time, which all have a significant impact on the yield and purity of the product.
The third is the microbial fermentation method. Under suitable medium and culture conditions, some specific microorganisms can use specific carbon sources as substrates to synthesize tetradecanedioic acid through their own metabolic pathways. This method is green and environmentally friendly, but it requires quite high requirements for the selection of microorganisms and the optimization of culture conditions. It is necessary to fine-tune the composition, temperature, pH value and other factors of the medium to promote the efficient synthesis of tetradecanedioic acid by microorganisms.
What is the price range of tetradecanedioic acid in the market?
Tetradecarboxylic acid, the price of the market varies according to the quality and quantity of the product, the place where it is sold, and the time. In the past, if the quality and quantity of the market were high and abundant, in the place where merchants gathered and goods circulated, the price per hundred catties might be between three hundred and five hundred gold. However, there are advantages and disadvantages, if there are more miscellaneous or pure deficiencies, the price should be slightly reduced, or two hundred gold or so can be obtained. And times change, if the goods are thin at the age, the price will be raised; if the goods are accumulated at the age, the price will be reduced. And different kinds of things, their demands for benefits are different, and the prices are also different. Therefore, if you want to know the exact price, you should consult the merchants in the city in detail to determine the current price.
What are the storage conditions for tetradecanedioic acid?
Tetradecanedioic acid (Tetradecanedioic Acid) is an organic compound. Its storage conditions are quite important, related to the quality and utility of this material.
To properly preserve tetradecanedioic acid, the first dry environment. Because of its certain water absorption, if placed in a humid place, it is prone to moisture and deterioration, resulting in a decrease in purity and affecting subsequent use. Therefore, when choosing a dry place, such as a dry warehouse, and a desiccant can be placed in the storage place to maintain the dryness of the surrounding environment.
The second is temperature control. It should be stored in a cool place to avoid high temperature. High temperature can easily lead to its chemical reaction, or cause decomposition, polymerization and other changes, which will damage its chemical properties. In general, the temperature should not exceed 30 degrees Celsius, so as to ensure its chemical stability.
In addition, shading is also the key. Light, especially strong light, or accelerate its oxidation and other reactions, affect the quality. The storage device should be protected from light, such as brown glass bottles, and placed in a place without strong light.
In addition, tetradecarboxylic acid should be stored separately from oxidants, alkalis and other substances. Due to its chemical properties, contact with the above substances can easily cause violent chemical reactions, which not only endanger the substance itself, but also may lead to safety accidents.
In summary, the preservation of tetradecarboxylic acid requires a dry, cool, and dark place, and classified storage, so that it can be properly stored for a long time for future use.