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Sodium (6E) -5- [2- (2-Methoxy-4-Nitrophenyl) Hydrazino] -4-Oxo-6- (Phenylimino) -4, what is the chemical structure of 6-Dihydronaphthalene-2-Sulfonate
This is a rather complex chemical substance named "Sodium (6E) -5- [2- (2-methoxy-4-nitrophenyl) hydrazine] -4-oxo-6- (phenylimino) -4,6-dihydronaphthalene-2-sulfonate".
To know its chemical structure, it can be analyzed from each part. "Naphthalene" is the basic skeleton and is composed of two fused benzene rings. It is modified at specific positions of the naphthalene ring, namely the 4th and 6th positions, respectively. The 4th position is "4-oxo", that is, there is a carbonyl group (C = O); the 6th position is "6- (phenylimino) ", which means that there is a benzene ring connected to the naphthalene ring through the imino group (= NH).
At the 5th position, there is a complex substituent "[2- (2-methoxy-4-nitrophenyl) hydrazine]". In this substituent, "2-methoxy-4-nitrophenyl" is a benzene ring structure containing methoxy group (-OCH 🥰) and nitro group (-NO 2O), and is connected to the naphthalene ring at position 5 through hydrazine group (-NH - NH -).
And at position 2, it is the "sulfonate" group, which is the salt form of the sulfonic acid group (-SO 🥰 H), and here it is the sodium salt, because the name starts with "sodium". The interaction of various parts in this structure gives the substance specific chemical properties and reactivity. The complexity of its structure reflects the delicate design of molecules in organic chemistry, and the combination of different groups can create a variety of functions and characteristics.
Sodium (6E) -5- [2- (2-Methoxy-4-Nitrophenyl) Hydrazino] -4-Oxo-6- (Phenylimino) -4, what are the physical properties of 6-Dihydronaphthalene-2-Sulfonate
Sodium (6E) - 5 - [2 - (2 - methoxy - 4 - nitrophenyl) hydrazine] - 4 - oxo - 6 - (phenylimino) - 4,6 - dihydronaphthalene - 2 - sulfonate The physical properties of this compound are particularly important.
Looking at its morphology, under normal conditions, it may be in the shape of a fine powder, and the color often shows a specific color, or yellow or light brown, depending on the preparation method and purity. The powder is fine in texture, the particles are uniform, and it feels smooth when touched lightly.
When it comes to solubility, in water, this substance exhibits certain solubility characteristics. However, its rate and degree of dissolution are greatly affected by water temperature and stirring. In warm water, its dissolution is more smooth, and it can gradually become a homogeneous solution, showing a clear or slightly turbid state. In organic solvents, such as ethanol, acetone, etc., its solubility is also different. In ethanol, the degree of solubility may be better than that of acetone, due to the difference in intermolecular forces.
Melting point is a key indicator for determining its physical properties. After precise determination, the melting point of this substance falls in a specific temperature range, and this temperature limit is relatively stable, which can be used as an important basis for distinguishing the authenticity and purity of this substance.
Furthermore, density is also one end of its physical properties. Its density value is specific, compared with common similar compounds, whether it is light or heavy, it is determined by its molecular structure and constituent elements. This density characteristic, in practical applications, is related to its distribution and sedimentation in the mixed system.
In addition, the moisture absorption of this material cannot be ignored. In a humid environment, it is easy to absorb water vapor in the air, causing gradual changes in its own shape and properties, or causing agglomeration. Therefore, when storing, pay attention to the humidity of the environment to prevent its quality from being damaged.
Sodium (6E) -5- [2- (2-Methoxy-4-Nitrophenyl) Hydrazino] -4-Oxo-6- (Phenylimino) -4, what is the main use of 6-Dihydronaphthalene-2-Sulfonate
Sodium (6E) -5- [2- (2-Methoxy-4-Nitrophenyl) Hydrazino] -4-Oxo-6- (Phenylimino) -4, 6-Dihydronaphthalene-2-Sulfonate, this is an organic compound. Its structure is complex and contains many special functional groups. It must have its unique use in the chemical industry and scientific research.
In the chemical industry, or can be used as a synthetic raw material. Its complex structure gives unique reactivity and can participate in specific organic synthesis reactions. After careful design and transformation, new materials with special properties, such as materials with special optical and electrical properties, are of great significance for the manufacture of electronic and optical devices.
At the scientific research level, it can be used as a chemical probe. Because the specific functional groups in the structure are sensitive to specific chemical environments, they can be used to detect specific substances or monitor the process of chemical reactions. In the field of drug research and development, it may help to explore the interaction mechanism between drugs and targets. Because the structure of this compound is similar to some bioactive molecules, it can simulate its binding mode with biological macromolecules, which helps to understand the principle of drug action and accelerate the process of new drug development.
And because its structure contains chromophore groups, it may be useful in the dye industry. After appropriate modification and preparation, dyes with specific colors and stability can be prepared, which can be used in textile, printing and dyeing and other industries to give fabrics unique color and excellent color fastness. In short, this compound has potential application value in many fields and needs to be further explored and explored by scientific research and industry.
Sodium (6E) -5- [2- (2-Methoxy-4-Nitrophenyl) Hydrazino] -4-Oxo-6- (Phenylimino) -4, what are the synthesis methods of 6-Dihydronaphthalene-2-Sulfonate
To prepare Sodium (6E) -5- [2- (2-methoxy-4-nitrophenyl) hydrazino] -4-oxo-6- (phenylimino) -4, 6-dihydronaphthalene-2-sulfonate, according to the following ancient method.
First take 2-methoxy-4-nitroaniline, dissolve it in an appropriate amount of dilute acid solution, slowly add sodium nitrite solution dropwise at low temperature, and perform a diazotization reaction to obtain a diazonium salt solution. This step requires careful observation of the reaction temperature and drip rate to prevent side reactions from occurring.
Take 2-naphthol-6-sulfonic acid at a time, dissolve it in an appropriate amount of alkaline solution, and adjust it to a suitable alkalinity. Then, under low temperature and stirring, the above diazonium salt solution is slowly poured into it to carry out the coupling reaction. This process requires continuous stirring to ensure the uniformity of the reaction system, and the reaction process is closely monitored.
Furthermore, phenylhydrazine is added to the product obtained from the coupling reaction, and the condensation reaction is carried out at an appropriate temperature and in the presence of a catalyst. During the reaction, the temperature and reaction time need to be strictly controlled to make the reaction sufficient.
After the condensation reaction is completed, the reaction solution is cooled, and its pH value is adjusted with an appropriate acid solution to allow the product to precipitate. The precipitated product is filtered and washed to obtain
The crude product is recrystallized by the method of re-crystallization. Select a suitable solvent, such as ethanol-water mixed solvent, and recrystallize many times to remove impurities. Finally, the pure product Sodium (6E) -5- [2- (2-methoxy-4-nitrophenyl) hydrazine] -4-oxo-6- (phenylimino) -4,6-dihydronaphthalene-2-sulfonate.
The whole synthesis process requires strict adherence to the operating procedures and the control of the reaction conditions at each step to obtain high-purity products.
Sodium (6E) -5- [2- (2-Methoxy-4-Nitrophenyl) Hydrazino] -4-Oxo-6- (Phenylimino) -4, 6-Dihydronaphthalene-2-Sulfonate what are the precautions during use
Sodium (6E) -5- [2- (2-Methoxy-4-Nitrophenyl) Hydrazino] -4-Oxo-6- (Phenylimino) -4, 6-Dihydronaphthalene-2-Sulfonate is a rather complex chemical substance. During use, the following precautions should not be ignored.
First, safety protection is of paramount importance. The specific nature or risk of this compound is unknown, and it is necessary to wear appropriate protective equipment when exposed, such as laboratory clothes, gloves and goggles. Because it may be irritating, once it comes into contact with the skin and eyes, it may cause discomfort or even cause damage. In case of inadvertent contact, rinse with plenty of water immediately and seek medical attention in time according to the specific situation.
Second, proper storage should not be ignored. It needs to be stored in a suitable environment according to its chemical properties. In view of its structure containing sensitive groups, or sensitive to temperature, humidity, light. Therefore, it should be placed in a cool, dry and dark place to prevent deterioration, ensure its chemical stability and purity, and then maintain the use efficiency.
Third, the operation should be strict and standardized. In the experimental or production process, strictly follow the established operating procedures. Weighing, dissolving, mixing and other steps should be accurate. Due to its complex structure, reactivity or uniqueness, improper operation or abnormal reaction, affecting the results, or even causing danger.
Fourth, waste disposal must be in compliance. Residues or waste after use should not be discarded at will. Proper disposal should be carried out in accordance with relevant regulations and environmental protection requirements. Because of its composition or pollution to the environment, compliance disposal can avoid harm to the ecological environment.