What are the main uses of N-Ethyl-N-Benzylaniline-3-Sulfonic Acid?
N-ethyl-N-benzylaniline-3-sulfonic acid, this substance has a wide range of uses. In the field of industry, one of them is used for the preparation of dyes. In the past, the dye industry flourished, and everyone worked hard to get dyes with bright colors and good fastness. And this compound can become the backbone of colorful dyes through subtle chemical changes. With its structural characteristics, the dye can be closely matched with the fabric, and it can be attached to the fabric. The color lasts for a long time. In the work of the printing and dyeing workshop, it shows its ability to make all kinds of fabrics glow.
Furthermore, it also has important functions in the manufacture of surfactants. In the past, people wanted high-efficiency surfactants to facilitate decontamination, emulsification and other things. After ingenious synthesis, this acid can be used as a high-quality surfactant. Its molecular structure is lipophilic at one end and hydrophilic at the other end, and can self-aggregate into a specific structure in water. When used in washing products, it can quickly disperse oil stains in water, and has strong decontamination power; when used in emulsification processes, it can make incompatible oil and water intimately mixed to make a stable emulsion, which adds to many industrial processes and daily use.
It is also indispensable in the synthesis of some pharmaceutical intermediates. In ancient times, doctors and pharmacists wanted to make special drugs, and this compound was often the key starting material. After layers of complex chemical reactions, it can be transformed into a structure closely related to human biological activity, which helps the drug to accurately act on the lesion and heal the disease. It provides an important cornerstone for the Xinglin pharmaceutical industry and contributes to saving lives and injuries.
What are the physical properties of N-Ethyl-N-Benzylaniline-3-Sulfonic Acid?
N-ethyl-N-benzylaniline-3-sulfonic acid is a kind of organic compound. Its physical properties are quite specific, so let me tell them one by one.
Looking at its properties, it usually shows a solid state under normal conditions, but its specific shape is either crystalline or powdery, depending on the preparation method and purity. Its color is often close to white, or slightly yellowish, and the pure one is as white as snow.
When it comes to melting point, this compound has a specific value. The determination of melting point is crucial for identification and purity determination. However, the exact melting point will vary depending on the amount of impurities and the conditions of the test. Generally speaking, accurate determination of the melting point can help chemists distinguish its authenticity and purity.
Solubility is also an important physical property. In water, N-ethyl-N-benzylaniline-3-sulfonic acid exhibits a certain solubility. This is because the sulfonic acid group in its molecular structure is hydrophilic, making the compound partially soluble in water. However, in organic solvents, its solubility is different. For example, in common organic solvents such as ethanol and acetone, its solubility may be better than that of water, because the interaction between organic solvents and compound molecules is different.
Furthermore, its density is also an inherent property. The density depends on the compactness of the substance. Although accurate instruments and methods are required for determination, it has a huge impact on the behavior of the compound in different environments.
In addition, the odor of the compound, or a slight special smell, is not pungent and unpleasant. This smell is also one of its physical properties. Although it is not easy to describe accurately, chemists often use it as the basis for preliminary identification in actual operation.
In summary, the physical properties of N-ethyl-N-benzylaniline-3-sulfonic acid, such as properties, melting point, solubility, density, and odor, are all indispensable factors for the study and application of this compound.
N-Ethyl-N-Benzylaniline-3-Sulfonic Acid is chemically stable?
The chemical stability of N-ethyl-N-benzylaniline-3-sulfonic acid is related to many aspects. This compound contains sulfonic acid groups, which are acidic and can be partially ionized in water to form corresponding ions. This property may affect its stability. The sulfonic acid group has strong hydrophilicity and can form hydrogen bonds with water molecules, resulting in its relative stability in the aqueous phase.
However, looking at its structure, N-ethyl and N-benzyl are connected to the nitrogen atom, and the organic group may make the molecule active under specific conditions. In case of high temperature, the vibration of the chemical bond intensifies, or the N-alkyl bond breaks, which impairs its stability. If there is a strong oxidizing agent in the environment, the nitrogen-containing parts may be oxidized, and the structure will change.
In alkaline media, sulfonic acid groups can react with bases to form salts. Although the stability of salts may be different, the reaction may lead to structural changes. Under light conditions, molecules absorb light energy and transition to excited states, triggering photochemical reactions, such as chemical bond cracking or rearrangement, which also affect their stability.
Therefore, the stability of N-ethyl-N-benzylaniline-3-sulfonic acid is not absolute, depending on external factors such as temperature, pH, light and oxidant. When the conditions are mild, it may be relatively stable; if the conditions are extreme, its chemical structure may be difficult to maintain, causing its stability to be broken.
What is the preparation method of N-Ethyl-N-Benzylaniline-3-Sulfonic Acid?
The method for preparing N-ethyl-N-benzylaniline-3-sulfonic acid is not described in the ancient book Tiangong Kaiwu, but it can be deduced according to the idea of ancient chemical preparation.
To obtain this compound, one can start from aniline. First, N-benzylaniline is obtained by using benzyl halide and aniline under the catalysis of base, and N-benzylaniline is obtained according to the principle of nucleophilic substitution. In this reaction, the function of base is to capture the hydrogen on the nitrogen atom of aniline, enhance its nucleophilicity, and make the carbon-halogen bond of benzyl halide more vulnerable to attack to generate N-benzylaniline.
Then, N-ethyl-N-benzylaniline was obtained by nucleophilic substitution with ethyl halide and N-benzylaniline, also under alkali catalysis.
Furthermore, N-ethyl-N-benzylaniline was reacted with fuming sulfuric acid or chlorosulfonic acid to introduce a sulfonic acid group at the 3-position of the aromatic ring. This is because the aromatic ring is nucleophilic, and the sulfur in fuming sulfuric acid or chlorosulfonic acid has strong electrophilicity and can be electrophilically substituted with the aromatic ring to obtain N-ethyl-N-benzylaniline-3-sulfonic acid. When operating, pay attention to the reaction temperature and reagent dosage. If the temperature is too high or the dosage is improper, it is easy to cause side reactions, such as polysulfation.
Second, aniline can be reacted with ethyl halide to obtain N-ethylaniline, and then reacted with benzyl halide to obtain N-ethyl-N-benzylaniline, and finally sulfonated to obtain the target product.
During the preparation process, the purity of raw materials and the precise control of reaction conditions are all related to the yield and purity of the product, so careful operation is required.
What is the price range of N-Ethyl-N-Benzylaniline-3-Sulfonic Acid in the market?
I don't know the price range of "N - Ethyl - N - Benzylaniline - 3 - Sulfonic Acid" in the market. However, if you want to know the price of this chemical, you can go as far as the "Tiangong Kaiwu", in various chemical material stores, pharmaceutical companies, or merchants specializing in this industry. Or you can interview people who are familiar with chemical trade, or read chemical material trading books and market books, which may contain the price of this chemical. At present, you can also check the price of this product on chemical-related e-commerce platforms to see the price difference under different qualities, specifications, and batches. However, due to changing market conditions, raw materials, supply and demand, and origin can all cause prices to fluctuate, so the exact price range is difficult to summarize in a nutshell, and an accurate number must be obtained by real-time inspection.