5-Chloro-4-Methyl-2-[2-(2-Oxonaphthalen-1(2H)-Ylidene)Hydrazino]Benzenesulfonic Acid

This compound "5-Chloro-4-Methyl-2- [2- (2-Oxonaphthalen-1 (2H) -Ylidene) Hydrazino] Benzenesulfonic Acid", looking at its name, it can be known that it contains chloro (chloro), methyl (methyl), benzenesulfonic acid (benzenesulfonic acid) and other groups.
In its structure, the benzene ring is a group, and the chlorine atom and methyl are arranged on the benzene ring, and the positions are 5 and 4 respectively. On one side of the benzene ring, a nitrogen-containing hydrazino group is connected, and this hydrazino group is connected to the methylene of naphthone (ylidene). There is also a carbonyl group (oxo) at the naphthalene ring, and a sulfonic acid group is connected on the other side.
In summary, the structure of this compound is cleverly connected by benzene ring, naphthalene ring and its derivative groups, and each group is arranged in order according to the position, resulting in this unique chemical structure.

"5-Chloro-4-methyl-2 - [2 - (2-oxynaphthalene-1 (2H) -subunit) hydrazinyl] benzenesulfonic acid" is widely used. In the field of dyes, it is often used as a key raw material. Due to its unique structure, it can give dyes extraordinary color and excellent fastness. In many aspects such as fabric printing and dyeing, leather dyeing, etc., the dyes made with this product can achieve bright colors and lasting effects that are not easy to fade.
It also plays an important role in the field of pharmaceutical and chemical industry. Its special chemical structure may be modified and modified to become compounds with specific pharmacological activities. It may be able to participate in the drug synthesis path, laying the foundation for the development of new drugs, and is expected to play an important role in the field of disease treatment.
In the path of scientific research and exploration, this compound is often selected as a research object by researchers due to its complex structure and unique reactivity. Through in-depth investigation of its chemical reaction properties and physical properties, it can enhance the understanding of the field of organic chemistry, expand the boundaries of scientific knowledge, and contribute to the theoretical development of related fields.
It also has potential applications in the field of materials science. Its unique chemical structure or endow materials with specific properties, such as improving the optical properties of materials and enhancing the stability of materials, provide new directions for the development and optimization of new materials.

I don't know the price range of "5-chloro-4-methyl-2 - [2 - (2-oxynaphthalene-1 (2H) -subunit) hydrazine] benzenesulfonic acid" in the market. Due to changing market conditions, this product may have different purity, specifications and supply and demand. If you want to know its exact price, you can visit the chemical product trading platform and ask the merchant or dealer. For example, the production system of the products listed in "Tiangong Kaiwu" does not involve the price of this chemical. In today's world, the information is convenient, you can view the quotations of various merchants in the online chemical mall, or negotiate with industry insiders to get a close price range.

To prepare "5 - chloro - 4 - methyl - 2 - [2 - (2 - oxynaphthalene - 1 (2H) - subunit) hydrazinyl] benzenesulfonic acid", the preparation method is as follows:
first need to prepare the corresponding starting material, chlorine, methyl-containing derivatives of benzenesulfonic acid, and its specific position should have a reactive activity check point for subsequent introduction of the naphthalene ring-containing hydrazine structure.
In the reactor, a suitable organic solvent, such as dichloromethane, N, N-dimethylformamide, etc., is used to create a reaction environment. Such solvents can not only dissolve the raw materials, but also have no adverse interference with the reaction. According to a certain ratio, benzenesulfonic acid derivatives containing active check points and hydrazine compounds containing 2-oxynaphthalene-1 (2H) -subunits are injected into the kettle. To promote the reaction of the two, an appropriate amount of catalysts, such as organic base catalysts, are added, which can adjust the pH of the reaction system, speed up the reaction process and increase the reaction rate.
Control the reaction temperature by heating in a water bath or oil bath to keep the temperature constant within a suitable range, such as 50-80 degrees Celsius. If the temperature is too low, the reaction will be slow; if the temperature is too high, the side reactions will increase. At this temperature, continue to stir to make the reactants fully contact and the reaction will be uniform. After several hours to ten hours of reaction, monitor by thin-layer chromatography or liquid chromatography. When the raw materials are exhausted, the reaction will reach the expected level.
After the reaction is completed, pour the reaction liquid into an appropriate amount of water, extract it with an organic solvent for many times, and enrich the product in the organic phase. Combine the organic phases and remove the moisture from them with a desiccant such as anhydrous sodium sulfate. Subsequently, the organic solvent was removed by vacuum distillation to obtain the crude product.
The crude product was purified by recrystallization, and suitable solvents were selected, such as ethanol, ethyl acetate and petroleum ether mixed solvents. After heating, dissolving, cooling, crystallizing, filtering, drying and other steps, pure "5-chloro-4-methyl-2 - [2 - (2-oxynaphthalene-1 (2H) -subunit) hydrazinyl] benzenesulfonic acid" product.

5-Chloro-4-methyl-2- [2- (2-oxynaphthalene-1 (2H) -subunit) hydrazinyl] benzenesulfonic acid, which is an important compound in the field of fine chemicals, its Quality Standards are crucial, related to product quality and application efficiency. According to the quaint and elegant style of "Tiangong Kaiwu", it is detailed as follows for you:
First is the appearance, when it is pure color, delicate state, no impurities mixed in it, just like the flawless jade, square standard. Looking at its color, it should be uniform, without the risk of color difference; looking at its shape, when the texture is uniform, no agglomeration, no uneven particles.
The second is the purity, this is the key. The purity needs to be extremely high, and the impurity content must be minimal. If there are a little more impurities, it will be like a white flaw, which will damage its quality. The purity determination should be done by an accurate method, such as the use of delicate chromatographic analysis, and the proportion of each component should be carefully checked to ensure that the proportion of the main component is in line with the regulations, and the impurity content is below the limit.
Furthermore, the chemical properties of the index. The pH should be within a specific range, just like the balance between the two ends of the balance. Both acid and alkali are inappropriate, so as not to affect its chemical stability and reactivity. Its melting point and boiling point must also conform to the established values, which are important vouchers for identifying its authenticity. If the melting point or boiling point deviation is too large, it will be like a boat out of direction, and it can be known that the product is not up to standard.
In addition, the moisture content cannot be ignored. Too much moisture can easily cause deliquescence and deterioration of the product, affecting its storage and use. Therefore, the moisture should be controlled at an appropriate level to maintain the dryness and stability of the product, just like if it is stored in a dry place, it will not be damaged for a long time.
Such various Quality Standards complement each other and are indispensable. Only by strictly adhering to these standards can high-quality 5-chloro-4-methyl-2 - [2 - (2-oxynaphthalene-1 (2H) -subunit) hydrazine] benzenesulfonic acid products be prepared, which can be used in many fields such as industrial applications.