3- (N-Ethyl-Methylanilino) -2-Hydroxy Propane Sulfonic Acid, Sodium Salt What are the main application fields
Sodium 3- (N-ethyl-methylaniline) - 2-hydroxypropanesulfonate, this substance has important applications in printing and dyeing, electroplating, medicine, daily chemical industry and other fields.
In the printing and dyeing industry, it is often used as a leveling agent. When printing and dyeing, the dye needs to be evenly attached to the fabric, otherwise it is easy to cause uneven dyeing. The substance can be adsorbed on the surface of the fiber, reducing the affinity between the dye and the fiber, slowing down the dyeing rate of the dye, so that the dye is evenly distributed, achieving the effect of leveling, and the fabric is dyed more evenly and has a fuller color.
In the field of electroplating, it acts as a brightener. Electroplating aims to form a uniform and dense coating on This substance can improve the crystallization process of the coating, promote the uniform deposition of metal ions, thereby obtaining a smooth and bright coating, improve the quality and aesthetics of the coating, and is widely used in decorative electroplating and functional electroplating.
Pharmaceutical industry, which may participate in the synthesis of drugs. Because of its special chemical structure, it can be used as an intermediate in organic synthesis. It can be chemically reacted to construct pharmaceutical active ingredients, which helps in the development and production of specific drugs, and provides raw materials and technical support for the development of medicine.
In the field of daily chemical industry, it is used in the preparation of detergents, cosmetics and other products. In detergents, it can enhance the decontamination ability and dispersion performance, help remove stubborn stains, and make clothes clean. In cosmetics, it may have the functions of adjusting pH and stabilizing the system to ensure product quality and use effect.
In summary, sodium 3- (N-ethyl-methylaniline) -2-hydroxypropane sulfonate is of great significance in many industrial and life fields, promoting the development of various industries and improving product quality and performance.
What are the physical properties of 3- (N-Ethyl-Methylanilino) -2-Hydroxy Propane Sulfonic Acid, Sodium Salt?
Sodium 3- (N-ethyl-methylaniline) - 2-hydroxypropanesulfonate, the physical properties of this substance, let me tell you in detail.
Its appearance is often white to off-white crystalline powder, delicate and uniform, just like the fine snow that falls at the beginning of winter, pure and regular.
In terms of solubility, it exhibits good solubility in water, just like a fish entering water, quickly fusing with water to form a uniform solution. This property is due to the interaction between polar groups and water molecules in its molecular structure, which makes it easy to disperse in water.
Re-examine the melting point. After rigorous determination, its melting point is in a specific temperature range. This temperature limit is like a checkpoint, marking the transformation of a substance from a solid to a liquid state. The value of the melting point is stable and repeatable, making it an important physical indicator of the substance.
Its density is also fixed. Under normal conditions, the density exhibits similar characteristics to other similar compounds, reflecting the degree of tight accumulation of molecules, which is a key parameter for measuring its material properties.
In addition, its hygroscopicity cannot be ignored. In the air, it absorbs a certain amount of moisture like a sponge, which is greatly affected by environmental humidity. Under moderate humidity conditions, the hygroscopicity is within a controlled range, but if the ambient humidity rises sharply, its hygroscopicity will also increase significantly.
In summary, the physical properties of sodium 3- (N-ethyl-methylaniline) -2-hydroxypropanesulfonate, whether it is appearance, solubility, melting point, density or hygroscopicity, are of great significance in chemical research and practical applications, and are valued by practitioners in related fields.
What are the chemical synthesis methods of 3- (N-Ethyl-Methylanilino) -2-Hydroxy Propane Sulfonic Acid, Sodium Salt
To prepare 3- (N-ethyl-methylanilinyl) -2 -hydroxypropanesulfonate sodium salt, the following method is often followed.
The first is the choice of raw materials. Choose N-ethyl-methylaniline and suitable alkane sulfonic acid raw materials containing hydroxyl groups and alkenyl groups or halogenated groups. Among them, N-ethyl-methylaniline needs to be pure in quality and have few impurities to ensure the smooth reaction and the purity of the product.
The second time is the control of the reaction conditions. Suitable organic solvents, such as dichloromethane, N, N-dimethylformamide, etc., are often used to make the raw materials soluble and facilitate the contact and collision of the reaction molecules. The reaction temperature is crucial. At the beginning, it is initiated at low temperature to avoid side reactions, and gradually heats up to a moderate level to promote the reaction speed. Take the reaction of sodium 3-chloro-2-hydroxypropanesulfonate with N-ethyl-methylaniline as an example, stir at low temperature 20-30 ° C to make the two have a preliminary effect, and then heat up to 60-80 ° C for a certain period of time to make the reaction sufficient.
In addition, the addition of catalysts is also key. An appropriate amount of alkali, such as potassium carbonate, sodium carbonate, etc., can be added to increase the nucleophilicity of N-ethyl-methylaniline and promote its reaction with alkane sulfonic acid derivatives containing halogenated groups or alkenyl groups. The amount of alkali should be appropriate, more may cause the decomposition of raw materials, and less catalysis will be insufficient and the reaction will be delayed.
After the reaction is completed, the separation and purification of the product is also necessary. First, the method of vacuum distillation is used to remove the organic solvent. Then, by recrystallization, a suitable solvent is selected, such as the mixed solvent of ethanol and water. According to the different solubility of the product and impurities in different solvents, the product will separate and achieve the effect of purification. Or by column chromatography, proper stationary phase and mobile phase are selected to separate the product from impurities to obtain high-purity 3- (N-ethyl-methylanilinyl) -2-hydroxypropane sulfonate sodium salt.
What are the precautions for the use of 3- (N-Ethyl-Methylanilino) -2-Hydroxy Propane Sulfonic Acid and Sodium Salt in different industries?
Sodium 3- (N-ethyl-methylaniline) - 2-hydroxypropanesulfonate is useful in various industries, but there are many things to pay attention to when it is used in various industries.
In the printing and dyeing industry, this agent is often used in the preparation of additives. It is necessary to pay attention to the precise control of its dosage, because the dosage is too much, or the dye and fabric combine abnormally, and the color is uneven; if the dosage is too small, the effect of additives will be difficult to show, affecting the quality of printing and dyeing. And when using, attention should be paid to its compatibility with other printing and dyeing additives. If the compatibility is improper, or problems such as precipitation and reduced activity of additives will seriously affect the printing and dyeing process.
In the electroplating industry, this substance may be used as an additive. When used, the regulation of temperature and pH value is very critical. If the temperature is too high or too low, it can affect the quality of the electroplating layer, resulting in roughness and increased porosity. If the pH value deviates from the appropriate range, it will also affect the effect of additives, which in turn affects the electroplating effect. At the same time, it is necessary to pay attention to the concentration stability of this additive in the electroplating solution, and regularly test and supplement it to ensure the uniformity of the electroplating effect.
In the daily chemical industry, it may be used in the formulation of certain washing and skin care products. At this time, safety is the primary consideration. It is necessary to ensure that the substance has no adverse reactions such as irritation and allergy to the skin, so it needs to undergo strict safety assessment before use. In addition, its compatibility with other ingredients in the formula cannot be ignored, and chemical reactions should be avoided, resulting in product deterioration and failure.
In summary, when sodium 3- (N-ethyl-methylaniline) -2-hydroxypropanesulfonate is used in different industries, it is necessary to pay attention to the dosage, compatibility, environmental conditions and safety according to the characteristics of each industry in order to obtain a good use effect.
What are the advantages of 3- (N-Ethyl-Methylanilino) -2-Hydroxy Propane Sulfonic Acid, Sodium Salt compared to other similar compounds?
3 - (N - ethyl - methylaniline) - 2 - hydroxypropanesulfonate sodium salt, compared with other similar compounds, has many advantages.
The structure of this compound endows it with unique properties. From the perspective of molecular structure, its specific group combination makes it exhibit excellent stability under specific environments. For example, in some harsh conditions of high temperature and high humidity, it can maintain its own structural integrity and is not easy to decompose. This stability is far better than that of some analogs.
Furthermore, its water solubility is very good. In many aqueous solution systems, it can be rapidly dissolved and uniformly dispersed to form a uniform and stable system. This property allows it to better participate in the reaction or play its functional role in various reactions or product formulations using water as a medium, which is difficult for some similar compounds with strong hydrophobicity to achieve.
Moreover, its surface activity is excellent. On the surface of the solution, it can significantly reduce the surface tension and promote the change of the interaction between the liquid-solid and liquid-gas interfaces. This property is of great significance in processes such as emulsification and dispersion, which can efficiently mix immiscible substances evenly. Compared with some similar compounds with weaker surface activity, the effect is more significant.
It also performs well in terms of compatibility with other substances. It can coexist well with various types of compounds, such as different polymers, surfactants, etc., without affecting each other's performance, and even in some cases, it can produce synergistic effects, which greatly broadens its application range.