Sodium (4E)-4-[(2-Hydroxynaphthalen-1-Yl)Hydrazono]-3-Oxo-3,4-Dihydronaphthalene-1-Sulfonate

This is an organic compound named (4E) -4- [ (2-hydroxy naphthalene-1-yl) hydrazine fork] -3-oxo-3,4-dihydronaphthalene-1-sodium sulfonate. Looking at its name, it can be seen that this compound is composed of a sodium cation and a specific organic anion.
The organic anion part is based on a naphthalene ring. On the naphthalene ring, there is a double bond in the (E) configuration at position 4 connected to the hydrazine fork group derived from (2-hydroxy naphthalene-1-yl). In this structure, the 3-oxo-3,4-dihydronaphthalene has a carbonyl group at the 3-position, forming the structure of 3-oxo-3,4-dihydronaphthalene. At the same time, the 1-position is connected with a sulfonic acid group.
In this compound structure, the naphthalene ring endows it with a certain rigidity and conjugate system, which may have an important impact on its physical and chemical properties. The hydroxyl group on the 2-hydroxynaphthalene-1-group can participate in hydrogen bonding and affect the intermolecular interaction. The nitrogen atom in the hydrazine fork structure contains lone pair electrons, which may participate in coordination chemistry and other reactions. The carbonyl group of the 3-oxo-3,4-dihydronaphthalene part has electrophilicity, and reactions such as nucle The sulfonate group makes the compound have a certain water solubility, and the sulfonate anion can undergo ion exchange reactions with cations.
In summary, the unique chemical structure of (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazine fork] -3-oxo-3,4-dihydronaphthalene-1-sodium sulfonate determines that it has various chemical properties and may have potential applications in organic synthesis, materials science, coordination chemistry and other fields.

This is a rather complex chemical substance named (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonate sodium. It has a wide range of uses and has important applications in many fields.
In the field of analytical chemistry, it can be used as a special analytical reagent. Due to its unique chemical structure, it can react specifically with specific metal ions or compounds to generate products with special colors or properties. With this, it can be used for qualitative or quantitative detection of certain substances. For example, if the color of the solution changes significantly after binding to a metal ion, the presence or absence of the metal ion can be accurately determined based on this color change, and its content can be determined by colorimetry and other means.
In the field of materials science, it may be used as a key component of functional materials. Its special structure may endow the material with unique optical, electrical or chemical properties. For example, if it is introduced into a polymer material, it may change the luminescent properties of the material, causing the material to emit a unique light under specific wavelength light irradiation, which can be used to manufacture new luminescent materials for display technology and other fields.
In the field of medicinal chemistry, this substance may have potential medicinal value. The specific functional groups contained in its chemical structure may interact with specific targets in organisms and exhibit certain biological activities. After in-depth research and modification, it may be developed into a drug for treating specific diseases. If it can bind to specific receptors on the surface of diseased cells, inhibit abnormal cell proliferation, and then provide new opportunities for the research and development of anti-cancer drugs.
This (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonate sodium has great application potential and research value in analytical chemistry, materials science and medicinal chemistry.

This is a sodium-containing organic compound named (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sodium sulfonate. Its physical properties are rich and diverse, and are described as follows:
First on solubility. This compound contains a sodium sulfonate group, which is highly hydrophilic, so it is presumed that it should have good solubility in water and can form a uniform solution. This property is crucial in many chemical and biological applications. For example, in solution reaction systems, good solubility ensures that it can fully participate in the reaction and interact effectively with other substances. When used as a reagent in biological experiments, it can be more conveniently formulated into a solution of suitable concentration, which is conducive to the study of biological systems.
Melting point and boiling point. Due to the presence of naphthalene rings and various functional groups in the structure, the intermolecular forces are complex. The existence of naphthalene rings makes the molecule rigid and enhances the intermolecular forces, resulting in a relatively high melting point. However, the exact value needs to be accurately determined by experiments. The boiling point is also affected by the intermolecular forces and structural stability. Due to the complexity of its structure, the boiling point may be in a higher temperature range.
Furthermore, look at its appearance. Under normal circumstances, based on the experience of similar compounds containing naphthalene rings and sulfonate structures, if there is no special crystal form or impurity influence, this compound may be in the form of white to light yellow solid powder. Such appearance characteristics are commonly found in many organic sulfonates, and the powdery form helps to disperse and weigh them during storage and use.
And its density. Because the molecular structure contains relatively heavy groups such as naphthalene rings, and the atomic arrangement is relatively close, its density may be higher than that of some simple organic compounds. However, the exact density value needs to be determined by experiments, using specific instruments such as the pictogram method.
In addition, the stability of the compound is also worthy of attention. Functional groups such as hydroxyl, carbonyl and hydrazone in the structure may undergo chemical reactions under specific conditions. For example, hydroxyl groups under acidic or alkaline conditions, or participate in acid-base reactions, esterification reactions, etc.; hydrazone groups are sensitive to oxidants, and may undergo oxidative decomposition in case of strong oxidants. Therefore, when storing, attention should be paid to environmental conditions, and it should be placed in a dry, cool and away from oxidants.
The physical properties of this compound are rich and interrelated, and in-depth research and grasp of it is of great significance for applications in related fields.

To prepare sodium (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonate, the method is as follows:
First take an appropriate amount of 2-hydroxynaphthalene-1-formaldehyde and place it in a clean reaction vessel. Prepare another amount of 4-amino-3-oxo-3,4-dihydronaphthalene-1-sulfonate sodium salt and slowly add it to the above container containing 2-hydroxynaphthalene-1-formaldehyde. In this process, it is necessary to control the temperature of the reaction, and a moderate temperature is appropriate. Do not make the temperature too high or too low to cause the reaction to be unbalanced.
At the same time, add an appropriate amount of catalyst to help the reaction accelerate. The amount of this catalyst, when accurately weighed, too much or too little, may affect the formation of the product. During the reaction, keep stirring to fully mix the reactants and accelerate the process of the reaction.
As the reaction progresses, closely observe the changes in the reaction system. When the reaction reaches a certain extent, it can be seen that precipitation gradually emerges. At this time, slow down the stirring rate and let it stand for a while to allow the precipitation to settle fully.
Then, the precipitate is separated from the reaction mixture by a suitable separation method, such as filtration. The resulting precipitate is washed several times with a pure solvent to remove impurities and ensure the purity of the product.
Finally, the washed precipitate is placed in a suitable dry environment to remove moisture to obtain sodium (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonate product. The whole process requires strict adherence to operating specifications and careful care to obtain satisfactory results.

The (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonate of sodium should be paid attention to when using it.
First, the properties of this substance should be carefully observed. It may have specific solubility and behave differently in different solvents. If the solvent is not selected properly, it may be difficult to obtain a uniform solution, which may hinder subsequent reactions or applications. And its stability also needs to be considered. Factors such as light, temperature and humidity can induce qualitative changes, so it needs to be properly stored to avoid high temperature, strong light and humidity.
Second, safety must not be ignored. Although its exact toxicity is not known, chemical substances have many potential hazards. When operating, it is necessary to follow safety procedures and wear protective equipment, such as gloves and goggles, to prevent them from coming into contact with the body, skin and eyes. If used in a poorly ventilated place, the volatile gas may be harmful to health, so the ventilation equipment must be good.
Third, the dosage used must be accurate. If the dose is too small, it is difficult to achieve the expected effect; if the dose is too large, it may cause side effects to clump and increase the cost. Before experimentation or application, the reaction mechanism and dose-effect relationship should be carefully studied, and the appropriate amount should be determined after pre-testing.
Fourth, the compatibility is appropriate, and it needs to be carefully investigated. When mixed with other substances, chemical reactions may occur, resulting in changes in properties. Therefore, before compatibility with new substances, check the data and do experiments to understand their interaction, so as to avoid accidents.
In short, the use of sodium (4E) -4- [ (2-hydroxynaphthalene-1-yl) hydrazone] -3-oxo-3,4-dihydronaphthalene-1-sulfonate should be handled with caution in terms of physical properties, safety, dosage, compatibility, etc., in order to achieve the intended purpose and ensure the safety of operation.