3-[Ethyl(3-Methyiphenyl)Amino]-1-Propane Sulfonic Acid, Sodium Salt

3 - [ethyl (3-methylphenyl) amino] -1 -propanesulfonic acid, sodium salt, this substance is widely used in industry and scientific research. In industry, it is often used as a surfactant. It has a unique molecular structure, with a hydrophilic sulfonic acid group at one end and a lipophilic organic group at the other end. This property allows it to significantly reduce the surface tension of liquids. For example, in the textile industry, it can be used in the cleaning and finishing process of fabrics, helping to remove oil and impurities on the surface of fabrics, making fabrics cleaner, and improving the wettability and softness of fabrics, enhancing their quality and feel.
In the field of scientific research, it is widely used as a biological buffer. Due to its good buffering ability, it can maintain the pH stability of the solution within a specific pH range. In biochemical experiments, the separation, purification and analysis of biomacromolecules such as proteins and nucleic acids require strict pH values of the reaction system. This sodium salt can effectively ensure the stability of the reaction environment and prevent the inactivation or denaturation of biomacromolecules due to pH fluctuations, providing key conditions for the success of the experiment. At the same time, in the field of drug development, in experiments simulating physiological environments, it can create a stable pH environment and help study the metabolic process and pharmacological effects of drugs in the body.

3 - [ethyl (3-methylphenyl) amino] -1 -propanesulfonic acid, sodium salt, the chemical properties of this compound are quite unique. It has ionic properties. Because it contains sulfonic acid and sodium ions, it can be ionized in water, has good solubility, and can form a stable ionic solution.
From a structural perspective, the molecule contains aromatic rings and alkyl groups. The aromatic rings endow it with certain conjugate stability, so that the compound has a specific electron cloud distribution and chemical activity. The alkyl part affects its lipid solubility and steric resistance, and plays a key role in some organic reactions.
Its amino groups can participate in various nucleophilic reactions and combine with electrophilic reagents to form new chemical bonds. The sulfonic acid group is highly acidic, and the sodium salt form makes it have good acid-base stability in solution. In many chemical reaction systems, it can be used as a catalyst or auxiliary agent to promote or regulate the reaction process by virtue of its ionic properties and structural characteristics. In some biologically related systems, because of its good solubility and moderate chemical stability, it can be used to simulate the ionic environment in organisms and study biomolecular interactions. In short, the compound has rich chemical properties and may have diverse applications and research values in chemical synthesis, materials science and biomedicine.

3 - [ethyl (3-methylphenyl) amino] -1 -propanesulfonic acid, sodium salt, this substance is widely used in printing and dyeing, electroplating, medicine, daily chemicals and many other fields.
In the field of printing and dyeing, it can be used as a leveling agent. When dyeing fabrics, due to differences in fiber materials, dye concentration, etc., it is easy to cause uneven dyeing. And this sodium salt can slow down the dyeing rate of dyes by its own characteristics, so that the dyes are evenly distributed on the fabric, achieving the effect of uniform color. If the dyeing workshop dyeing cotton fabrics with reactive dyes, adding an appropriate amount of this sodium salt can prevent the local color from being too dark or too light, so that the color of the cloth is symmetrical and beautiful.
In the electroplating industry, it is often used as a brightener. During electroplating, the surface flatness and gloss of the coating are very important. This sodium salt can be adsorbed on the surface of the electrode, changing the rate and method of metal ion deposition, and the auxiliary coating is fine and smooth, increasing its gloss. For example, in the chrome plating process, adding this substance can make the chrome plating layer as bright as a mirror and improve the appearance quality of the product.
In the field of medicine, this sodium salt has important uses in the synthesis of drugs. Because it contains specific functional groups, it can participate in many organic reactions and provide key intermediates for the synthesis of drug molecules with specific structures. And its good solubility and stability are conducive to the development of pharmaceutical preparations. For example, when preparing oral liquid preparations, it can be used as a co-solvent to increase drug solubility and stability.
Daily chemical category, commonly found in detergent formulations. It can reduce water surface tension, increase detergent wettability, permeability and emulsification by leveraging its own sulfonic acid group hydrophilicity and amino lipophilicity. If this sodium salt is added to the laundry detergent, the detergent can quickly spread on the surface of the clothes, better emulsify oil stains, and improve the decontamination ability.

To prepare 3 - [ethyl (3 - methylphenyl) amino] - 1 - propanesulfonic acid, sodium salt, you can follow the following method.
First take 3 - methylaniline, put it into the reactor with an appropriate amount of bromoethane, add potassium carbonate as an acid binding agent, use acetonitrile as a solvent, heat up to 80 - 90 ° C, and continue to stir for 6 - 8 hours. This step aims to make 3 - methylaniline and bromoethane undergo nucleophilic substitution reaction to generate N - ethyl - 3 - methylaniline. After the reaction was completed, the reaction liquid was cooled, water and dichloromethane were extracted and separated, and the organic phase was collected. After drying with anhydrous sodium sulfate, the solvent was removed by rotary evaporation to obtain N-ethyl-3-methylaniline crude product, and then purified by reduced pressure distillation.
The N-ethyl-3-methylaniline prepared by the second time was taken, and the molar ratio of 1:1.2-1.5 with 1,3-propanesulfonolactone was heated to 100-110 ° C in toluene solvent, and the reaction was 10-12. This reaction results in nucleophilic substitution of the two to generate 3- [ethyl (3-methylphenyl) amino] -1 -propanesulfonic acid. After the reaction, cool, filter and collect the precipitate, wash it several times with cold toluene, and obtain 3- [ethyl (3-methylphenyl) amino] -1 -propanesulfonic acid crude product, recrystallized and purified with ethanol-water mixed solvent.
Finally, purify the 3- [ethyl (3-methylphenyl) amino] -1 -propanesulfonic acid, dissolve it in an appropriate amount of water, slowly add the sodium hydroxide solution, adjust the pH to 8-9, and stir for reaction 1-2. After the reaction, concentrate under reduced pressure, cool the crystals, filter, wash the crystals with a small amount of cold water, and dry to obtain 3- [ethyl (3-methylphenyl) amino] -1 -propanesulfonic acid, the finished sodium salt.
During the entire preparation process, it is necessary to pay attention to the precise control of the reaction temperature, time and material ratio. Each step of purification is also crucial, which is related to the purity and yield of the product.

3- [Ethyl (3-methylphenyl) amino] -1-propanesulfonic acid, sodium salt, this substance is in the market, and the future value is quite promising. Looking back at the past, organic sulfonate compounds have been widely used in many fields, and this compound may also follow this trajectory.
In the industrial field, organic sulfonates are often used as surfactants. In its molecular structure, the sulfonic acid group is hydrophilic, while the amino group containing ethyl and methylphenyl groups is lipophilic. This unique structure makes the compound have good interfacial activity. It can be used for emulsion polymerization, stabilizing emulsion systems, uniformly dispersing monomers, and improving polymerization product performance; in detergent formulations, or enhancing decontamination, emulsification and dispersion capabilities, improving detergent efficacy.
In the field of biomedicine, sulfonate compounds show potential value. Some sulfonates with specific structures may have biological activities and can interact with biological macromolecules. This compound may interact with proteins, nucleic acids, etc. due to structural characteristics, or be used in the development of drug carriers. With its amphiphilic properties, it wraps hydrophobic drugs, improves drug solubility and stability, and facilitates drug delivery.
Furthermore, in the field of materials science, organic sulfonates can be used as functional additives. Adding to polymer materials or changing the surface properties of materials to improve their antistatic, lubricating and other properties. This compound may use its unique molecular structure to impart new characteristics to materials and expand the scope of material applications.
However, its market prospects are also facing challenges. The complexity of the synthesis process and the high and low production cost all affect its large-scale application. If the synthesis process is cumbersome and the raw materials are expensive, it will limit its promotion in cost-sensitive areas. And the market competition is fierce, similar or alternative products have occupied part of the market share. To stand out, it is necessary to highlight unique properties and advantages.
In summary, 3- [ethyl (3-methylphenyl) amino] -1-propanesulfonic acid, sodium salt, the market prospect has both opportunities and challenges. If we can overcome the synthesis and cost problems and highlight unique properties, we must emerge in many fields and gain broad development space.