2-Naphthalenesulfonic acid, 7- (Acetylamino) -4-Hydroxy-3- [4- [2- (Sulfooxy) Ethyl] Sulfonyl] Phenyl] Azo] -, Disodium Salt (9Ci) What are the chemical properties
This is 2-naphthalenesulfonic acid, 7- (acetamido) -4-hydroxy-3 - [ [ 4 - [ [ 2 - (sulfonyloxy) ethyl] sulfonyl] phenyl] azo] -disodium salt (9CI), its chemical properties are quite complex. This compound contains azo structure, with specific color and reactivity. Because it contains sulfonic acid groups, acetamido groups, hydroxyl groups and other functional groups, it has certain solubility in water. Sulfonic acid groups are acidic and can form salts, so the disodium salt has good water solubility. Acetamido groups have high stability and can affect intermolecular forces. Hydroxyl groups are hydrophilic and can participate in the formation of hydrogen bonds, which affects the physical properties of compounds, such as melting point and boiling point. Containing a sulfonyl group structure increases the polarity of the molecule and affects its solubility and partition coefficient in different solvents. In chemical reactions, these functional groups can participate in a variety of reactions, such as esterification and etherification of hydroxyl groups, substitution and condensation of sulfonic acid groups, and reduction of azo structures under specific conditions. Overall, the chemical properties of this compound are determined by the coordination of various functional groups, and may have potential application value in the fields of chemical industry, dyes, and medicine.
2-Naphthalenesulfonic acid, 7- (Acetylamino) -4-Hydroxy-3- [4- [2- (Sulfooxy) Ethyl] Sulfonyl] Phenyl] Azo] -, Disodium Salt (9Ci) What are the application fields
2-Naphthalenesulfonic acid, 7 - (acetamido) - 4 -hydroxy - 3 - [ [ 4 - [ [ 2 - (sulfonyloxy) ethyl] sulfonyl] phenyl] azo] -, disodium salt (9CI), this compound has important applications in many fields.
In the printing and dyeing industry, as a special kind of dye intermediate, it can be used to synthesize dyes with brilliant colors and good color fastness through a series of chemical reactions due to its complex structure. In the ancient art of printing and dyeing, the color and durability of dyes are related to the quality of fabrics, just as this compound is the key to modern printing and dyeing. It can make the dye adhere more firmly to the fabric fibers, and the printed and dyed fabrics are still brightly colored after being exposed to the sun and washed many times, just like the ancient fabrics have retained their bright colors after being baptized by years.
In the field of chemical synthesis, it is an important cornerstone for the construction of complex organic compounds. Chemists use it as a starting material and introduce various functional groups through exquisite reaction design to build more complex molecular structures and expand the types and properties of organic compounds. This is like ancient craftsmen carefully carving basic materials to create utensils with different shapes and unique functions.
This compound has also made its mark in the research of new materials. Due to its special molecular structure and chemical properties, it can participate in the modification and creation of materials, improve the properties of materials such as optics and electricity, and inject new vitality into the development of materials science, just like the ancient exploration of new materials to meet different needs and promote technological progress.
2-Naphthalenesulfonic acid, 7- (Acetylamino) -4-Hydroxy-3- [4- [2- (Sulfooxy) Ethyl] Sulfonyl] Phenyl] Azo] -, Disodium Salt (9Ci) What is the production process?
To prepare 2-naphthalenesulfonic acid, 7- (acetamido) -4-hydroxy-3- [[4- [[2- (sulfoxy) ethyl] sulfonyl] phenyl] azo] -, disodium salt (9CI), the process is as follows:
First take 4- [[2- (sulfoxy) ethyl] sulfonyl] aniline as the starting material, and use an appropriate diazotization reagent to perform diazotization in a low temperature and acidic environment. This process requires careful temperature control to ensure that the temperature is constant to prevent side reactions. After the
diazonium salt is obtained, it is mixed with an alkaline solution of 7- (acetamido) -4-hydroxy-2-naphthalenesulfonic acid. This coupling reaction needs to be carried out in a specific pH range and a suitable temperature to ensure the correct formation of azo bonds, and to obtain the ideal product yield and purity. After the
reaction, a suitable sodium salt compound is added to the reaction system to form a salt reaction, and the product is converted into a disodium salt form. Thereafter, it is separated and purified. Separation can be used by filtration, centrifugation and other methods to remove impurities; purification can be done by crystallization, chromatography and other techniques to improve the purity of the product, and finally obtain pure 2-naphthalenesulfonic acid, 7 - (acetamido) -4-hydroxy-3- [[4- [2 - (sulfoxy) ethyl] sulfonyl] phenyl] azo] -, disodium salt (9CI). In the whole process, the control of the reaction conditions at each step is the key, which is related to the quality and yield of the product.
2-Naphthalenesulfonic acid, 7- (Acetylamino) -4-Hydroxy-3- [4- [2- (Sulfooxy) Ethyl] Sulfonyl] Phenyl] Azo] -, Disodium Salt (9Ci) What is the impact on the environment
2-Naphthalenesulfonic acid, 7- (acetamido) -4-hydroxy-3- [4- [2- (sulfonyloxy) ethyl] sulfonyl] phenyl] azo] -, disodium salt (9CI) The impact of this substance on the environment is related to many aspects.
Its chemical properties may cause a series of changes in the environment. If released into water, or due to its own structure containing sulfonyl, hydroxyl and other groups, it has a certain water solubility, or interferes with the chemical balance of water, affecting the living environment of aquatic organisms. The charge carried by the sulfonyl group may change the ionic strength of the water body, affect the permeability of the biofilm and the material exchange, and the physiological process of aquatic organisms may be hindered.
In the soil environment, it can combine with soil particles by means of ion exchange, adsorption, etc., change the soil physical and chemical properties, and affect the soil nutrient cycle and microbial community structure. Its degradation process may produce intermediate products, which may be partially or more biotoxic, posing a potential threat to the soil ecosystem.
In the atmospheric environment, although this substance is not a volatile common pollutant, if it enters through special channels, under conditions such as light and oxidation, or participates in complex photochemical reactions, it affects the atmospheric chemical composition and indirectly affects air quality and climate.
If it accidentally leaks into the environment, it should be disposed of promptly and properly to reduce damage to the environment.
2-Naphthalenesulfonic acid, 7- (Acetylamino) -4-Hydroxy-3- [4- [2- (Sulfooxy) Ethyl] Sulfonyl] Phenyl] Azo] -, Disodium Salt (9Ci) What are the precautions in storage and transportation
2-Naphthalenesulfonic acid, 7- (acetamido) -4-hydroxy-3- [4- [[2- (sulfonyloxy) ethyl] sulfonyl] phenyl] azo] -, disodium salt (9CI), this is a fine chemical product, there are many precautions to pay attention to when storing and transporting.
First, when storing, you must choose a cool, dry and well-ventilated place. Because it is quite sensitive to humidity, if the environment is humid, it may cause deliquescence and deterioration, losing its original characteristics and efficacy. Therefore, in the warehouse, the humidity should be controlled within a certain range, and the materials should be placed off the ground and the wall to prevent the influence of the moisture return of the ground and the wall.
Second, temperature is also a key factor. This substance may not be resistant to high temperature, and the high temperature environment may cause its chemical reaction, causing it to decompose or change its performance. Therefore, the storage temperature should be maintained in an appropriate range to avoid direct sunlight and heat sources.
Third, during transportation, emphasis should be placed on protection. It should be ensured that the packaging is intact to prevent leakage. Because it has a certain chemical activity, if it leaks or reacts with external substances, it will not only damage itself, but also endanger the environment and transportation safety. The transportation vehicle must also be clean, dry, and must not be mixed with other substances that may react.
Fourth, the operator must strictly abide by the operating procedures. Whether it is handling during storage or loading and unloading during transportation, it is necessary to handle it with care to prevent violent vibration and collision, so as to avoid packaging rupture. And the operation should be equipped with necessary protective equipment, such as gloves, masks, etc., to avoid direct contact with them to prevent harm to the human body.
In conclusion, the storage and transportation of 2-naphthalenesulfonic acid, 7- (acetamido) -4-hydroxy-3- [4 - [[2 - (sulfonyloxy) ethyl] sulfonyl] phenyl] azo] -, disodium salt (9CI) requires careful treatment of every link to ensure its quality and safety.