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What is the chemical structure of Disodium (4E) -4- [ (2,4-Dimethylphenyl) Hydrazono] -3-Oxo-3,4-Dihydronaphthalene-2, 6-Disulfonate
This is a chemical substance, called (4E) -4- [ (2,4-dimethylphenyl) hydrazinyl] -3-oxo-3,4-dihydronaphthalene-2,6-disulfonate disodium salt. To clarify its chemical structure, it is necessary to analyze the parts in its name first.
" (4E) " means that the double bond configuration is E type, which is based on the spatial arrangement of groups on both sides of the double bond of olefins. "4 - [ (2,4-dimethylphenyl) hydrazinyl]", indicating that in the fourth position of the molecular main chain, there is a substituent composed of 2,4-dimethylphenyl and hydrazinyl. 2,4-Dimethylphenyl, with one methyl group at the 2 and 4 positions on the naphthene ring; hydrazine is connected to the phenyl group with the -NH-NH ³ structure.
"3-oxo-3,4-dihydronaphthalene", showing that the molecular main chain is a 3,4-dihydronaphthalene structure formed by partial hydrogenation of the naphthalene ring, and has a monocarbonyl group (C = O) at the 3rd position. "2,6-disulfonate disodium salt" means that the 2-position and 6-position of the naphthalene ring are each connected with a sulfonate group (-SO 🥰 H), and the hydrogen atoms of the two are replaced by sodium ions and form a disodium salt.
In summary, the chemical structure of this compound, with 3,4-dihydronaphthalene as the parent nucleus, has a carbonyl group at the 3rd position, a (2,4-dimethylphenyl) hydrazine group at the 4th position, and a sulfonate sodium salt at the 2nd and 6th positions. Its unique structure, the interaction of each group, or the specific chemical and physical properties of this compound, may be useful in the fields of chemical industry, materials, medicine and so on.
What are the uses of Disodium (4E) -4- [ (2,4-Dimethylphenyl) Hydrazono] -3-Oxo-3,4-Dihydronaphthalene-2, 6-Disulfonate
This is a chemical substance called disodium (4E) -4- [ (2,4-dimethylphenyl) hydrazone] -3-oxo-3,4-dihydronaphthalene-2,6-disulfonate. It has a wide range of uses and can play a key role in many fields.
In the dye industry, this substance can be used as an important dye intermediate. With its unique chemical structure, it can synthesize colorful and good color fastness dyes, which are used in fabric dyeing, printing and other processes to give fabrics rich and diverse colors.
In the field of medicine, due to its special molecular structure, or with certain biological activities. As a lead compound, Xingli provides the basis for the research and development of new drugs. After further structural modification and pharmacological research, it is expected to develop drugs for the treatment of specific diseases.
In the field of materials science, this substance may be used to prepare functional materials. Its unique optical, electrical and other properties make it show potential application value in optical materials, electronic materials, etc., for example, it can be used to manufacture thin film materials with special optical properties.
In addition, in the field of scientific research, it is often used as a research tool. Scientists can deepen their understanding of related chemical processes and phenomena through in-depth investigation of their chemical reaction mechanism and physicochemical properties, providing assistance for the development of chemistry. Overall, disodium (4E) -4- [ (2,4-dimethylphenyl) hydrazone] -3-oxo-3,4-dihydronaphthalene-2,6-disulfonate has important uses in many industries and plays an indispensable role in promoting the development of various fields.
What are the physical properties of Disodium (4E) -4- [ (2,4-Dimethylphenyl) Hydrazono] -3-Oxo-3,4-Dihydronaphthalene-2, 6-Disulfonate
This is the disodium salt of (4E) -4- [ (2,4-dimethylphenyl) hydrazone] -3-oxo-3,4-dihydronaphthalene-2,6-disulfonate, and its physical properties are as follows:
In terms of view, this substance is often in a solid state, and its color may be white to light yellow powder. Due to the specific groups in the molecular structure, it shows this color under the action of light reflection and absorption. In the solid state, the molecules are arranged in an orderly manner to maintain a specific crystal structure, but the specific crystal form is subject to the preparation conditions.
In terms of solubility, it exhibits good solubility in water. There is a sulfonic acid group in the genome molecule. This group is hydrophilic and easily binds to water molecules through hydrogen bonding, which promotes the uniform dispersion of the substance in water to form a stable solution. However, in organic solvents such as ethanol and ether, the solubility is poor. Due to the large difference between the polarity of the molecule and the polarity of the organic solvent, it is difficult to dissolve in such non-polar or weakly polar solvents according to the principle of "similar miscibility". The melting point of
is also an important physical property. After determination, its melting point is in a certain temperature range. This is because when heated, the molecule is energized and the vibration intensifies. When a certain temperature is reached, the lattice structure is destroyed, and the substance changes from a solid state to a liquid state. The exact value of the melting point reflects the strength of the intermolecular forces. The intermolecular forces of the substance are composed of various forces, such as van der Waals forces, hydrogen bonds, etc., which jointly determine the melting point characteristics.
In addition, the substance has certain stability. Under normal environmental conditions, the molecular structure is relatively stable and it is not easy to spontaneously undergo chemical reactions. When encountering extreme conditions such as strong acids, strong bases, or high temperatures and light, the structure may change. Because strong acids and strong bases can react with certain groups in the molecule, high temperatures and light provide energy, causing chemical bonds within the molecule to break and rearrange, which in turn affects their chemical and physical properties.
What is the preparation method of Disodium (4E) -4- [ (2,4-Dimethylphenyl) Hydrazono] -3-Oxo-3,4-Dihydronaphthalene-2, 6-Disulfonate
To prepare (4E) -4- [ (2,4-dimethylphenyl) hydrazinyl] -3-oxo-3,4-dihydronaphthalene-2,6-disulfonate disodium, the following method can be used.
First take an appropriate amount of 2,4-dimethylaniline and react it with sodium nitrite and hydrochloric acid at low temperature. This process needs to be carefully controlled to prevent side reactions from occurring. After diazotization, a diazonium salt solution is obtained.
Another appropriate solvent solution of 3-oxo-3,4-dihydronaphthalene-2,6-disulfonic acid is taken, and the above diazonium salt solution is slowly dropped into it. At the same time, the pH value of the system is adjusted with a weak base to make it in a suitable range to facilitate the smooth occurrence of the coupling reaction. This step requires sufficient stirring to make the reactants evenly mixed and the reaction is sufficient.
After the reaction is completed, the product is extracted with a suitable organic solvent to remove impurities. After the extraction solution is distilled under reduced pressure, the solvent is recovered, and the crude product is obtained.
The crude product is purified by recrystallization, and a suitable solvent is selected, such as ethanol-water mixed solvent. According to its solubility characteristics, repeated crystallization is performed to remove residual impurities, and then a pure (4E) -4- [ (2,4-dimethylphenyl) hydrazine] -3-oxo-3,4-dihydronaphthalene-2,6-disodium disulfonate product is obtained. The whole process needs to pay attention to the control of conditions in each step to obtain a product with satisfactory yield and purity.
Is Disodium (4E) -4- [ (2,4-Dimethylphenyl) Hydrazono] -3-Oxo-3,4-Dihydronaphthalene-2, 6-Disulfonate a security risk?
The presence or absence of safety risks of disodium (4E) -4- [ (2,4-dimethylphenyl) hydrazone] -3-oxo-3,4-dihydronaphthalene-2,6-disulfonate is related to many parties.
The properties of chemical substances may have complex states. This compound has a specific structure and is composed of disodium and many groups. However, its safety risks require detailed inspection of the characteristics of each part.
In industrial preparation, raw materials and processes may involve risks. If the raw materials are impure, impurities or adverse reactions may be caused. If the process is not properly controlled, high temperature, high pressure or chemical changes will produce harmful by-products.
As far as its application field is concerned, if it is used in food and medicine, its safety review must be strict. Due to direct contact with the human body, the risk cannot be ignored at all. If it is used in industrial production and material preparation, although it does not directly affect human health, its discharge and waste disposal are also related to the environment and the safety of related practitioners.
And chemical substances are different in different environments, and their stability is different. Changes in temperature, humidity, light, pH, or decomposition and transformation of the compound, and the new product does not know its properties, which is also a safety concern.
In summary, only the name of this compound is known, and it is difficult to determine whether it has safety risks. It is necessary to study its physical and chemical properties, preparation process, application scenarios, and rigorous experiments and evaluations to know the details.