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What is the chemical structure of Disodium 4,4 '-Bis [ (2Z) -2- (2-Oxonaphthalen-1 (2H) -Ylidene) Hydrazinyl] Biphenyl-2,2' -Disulfonate?
This is a compound named disodium 4,4 '-bis [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazinyl] biphenyl-2,2' -disulfonate. Its chemical structure is composed of several parts. The
biphenyl part is the core skeleton of the compound, and the two benzene rings are connected by a single bond. At the 2,2 '-position of biphenyl, each is connected with a sulfonate group, and this sulfonate group forms a salt with sodium ions, so it is called "disodium".
At the 4,4' -position, the [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazine] structures are respectively connected. In this structure, the naphthalene ring is a fused cyclic aromatic hydrocarbon structure, and there is a carbonyl group at the first position, which is in the form of an oxygen generation, and forms a subunit structure with the second position. The hydrazine group is connected by a double bond of the (2Z) configuration, and the hydrazine group is then connected to the 4,4 '-position of the biphenyl.
Overall, the compound has a complex structure, fusing various structural units such as biphenyl, naphthalene ring, sulfonate and hydrazine group. Each part is connected to each other to form a unique chemical structure, which makes it have specific chemical properties and possible application characteristics.
What are the physical properties of Disodium 4,4 '-Bis [ (2Z) -2- (2-Oxonaphthalen-1 (2H) -Ylidene) Hydrazinyl] Biphenyl-2,2' -Disulfonate?
The name of a substance is disodium 4,4 '-bis [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazine] biphenyl-2,2' -disulfonate. The physical properties of this substance are particularly critical. Its color state is often powder or crystalline, delicate and regular, and it looks like snow or clear ice crystals, and may flicker under light.
Its solubility is quite good in water, and it can be slowly dissolved, just like spring snow melting in streams to form a uniform solution. This property may be related to the hydrophilic sulfonate groups in the molecular structure. However, in most organic solvents, the solubility is not good. In case of fat-soluble oils, it is like ice carbon, and the difference in molecular interactions is caused.
In terms of melting point, after fine determination, it begins to melt at a specific temperature. This temperature is an important physical indicator of the substance, just like the "body temperature" of the substance, reflecting the stability of its internal lattice structure and the strength of intermolecular forces.
Thermal stability cannot be ignored. In a moderate heating environment, the structure can still be maintained stable. However, if the temperature exceeds a certain limit, the molecular structure may collapse, decompose or denature, just like a burning forest, and the order is lost. This process is closely related to the break and reorganization of chemical bonds.
The density of this substance, although the exact value is not detailed, it should be in a specific range or similar to the density of common organic salts based on the experience of its chemical composition and similar substances. It may be an important reference indicator in the distinction and application of similar compounds.
The above physical properties are like a beacon for navigation in industrial production, scientific research experiments and other fields, providing key guidelines for its separation, purification, application, etc., related to its function and actual effectiveness in different scenarios.
What is the main use of Disodium 4,4 '-Bis [ (2Z) -2- (2-Oxonaphthalen-1 (2H) -Ylidene) Hydrazinyl] Biphenyl-2,2' -Disulfonate?
This is called disodium 4,4 '-bis [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazinyl] biphenyl-2,2' -disulfonate. Its main uses are very wide. In the field of dyeing, it can be used as a dye. Because of its unique chemical structure, it can make fabrics, fibers and other materials obtain a bright color and good dyeing fastness. In the field of scientific research, it is also an important reagent for chemical analysis and research, helping researchers to explore specific chemical reactions and material properties. In industrial manufacturing, it can be used as an additive to improve the properties of products, such as improving material stability and weather resistance.
Looking at the structure of this substance, the special groups it contains give it diverse properties. The naphthalene ring and biphenyl structure provide a certain conjugate system, so that the molecule has specific optical and electronic properties; while the sulfonate group gives it good water solubility, making it easier to disperse and act in aqueous solutions. Its application in various fields depends on these unique chemical structures and properties.
This substance plays an indispensable role in the development of modern industry and scientific research. With the continuous advancement of science and technology, its potential uses may continue to expand, bringing new development opportunities and changes to more industries.
What are the preparation methods of Disodium 4,4 '-Bis [ (2Z) -2- (2-Oxonaphthalen-1 (2H) -Ylidene) Hydrazinyl] Biphenyl-2,2' -Disulfonate?
To prepare disodium 4,4 '-bis [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazinyl] biphenyl-2,2' -disulfonate, the method is as follows:
First, the relevant raw materials need to be prepared, such as compounds containing naphthalene rings and biphenyl structures, as well as sulfonating agents, hydrazine reagents, etc., which are the cornerstones of synthesis.
Starting with naphthalene compounds, carbonyl groups are introduced under specific reaction conditions to form 2-oxynaphthalene-1 (2H) -subunit structures at specific positions in the naphthalene ring. This process may require precise control of temperature, pH and reaction time to avoid side reactions.
At the same time, the biphenyl is sulfonated, and the sulfonic acid group is introduced at the 2,2 '-position of the biphenyl. This step requires the selection of suitable sulfonating agents, such as concentrated sulfuric acid, fuming sulfuric acid, etc., and the reaction conditions are regulated according to the biphenyl activity and reaction process to achieve the ideal sulfonation effect.
The product containing 2-oxynaphthalene-1 (2H) -subunit structure is mixed with hydrazine reagents, and through condensation reaction, the [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazine] structure is generated, and connected to biphenyl to obtain 4,4 '-bis [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazine] biphenyl-2,2' -disulfonic acid. At the end of
, the product is treated with a base (such as sodium hydroxide) to form the sulfonic acid group into a sodium salt form, resulting in disodium 4,4 '-bis [ (2Z) -2- (2-oxynaphthalene-1 (2H) -subunit) hydrazine] biphenyl-2,2' -disulfonate.
After each step of the reaction, appropriate separation and purification methods, such as recrystallization, column chromatography, etc., are required to remove impurities and extract the purity of the product to achieve the desired quality. Throughout the synthesis, the control of the reaction conditions and the trade-off of the proportion of raw materials are all key, which are related to the success or failure of the product and the pros and cons.
Disodium 4,4 '-Bis [ (2Z) -2- (2-Oxonaphthalen-1 (2H) -Ylidene) Hydrazinyl] Biphenyl-2,2' -Disulfonate What are the precautions during use?
This is disodium 4,4 '-bis [ (2Z) -2- (2-oxonaphthalene-1 (2H) -subunit) hydrazinyl] biphenyl-2,2' -disulfonate. When using, many things need to be paid attention to.
First, this substance is mostly found in specific chemical and scientific research scenarios, and must be operated in a well-ventilated environment. If the air circulation is poor, it will emit gaseous particles or cause respiratory discomfort. Second, protective measures are indispensable when exposed. Protective clothing, protective gloves and goggles are required. If this medicine accidentally touches the skin, it may cause allergies or irritation; if it splashes into the eyes, it can cause eye damage. Therefore, rinse with plenty of water immediately after contact, and seek medical treatment if necessary.
Furthermore, the use process is strictly in accordance with the standard process, and the dosage and use method must not be changed at will. Due to its unique chemical properties, improper use or abnormal reactions can affect the expected effect, or even cause safety accidents. Proper storage after use is also essential. It should be kept dry, cool and out of the reach of children, away from fire sources and oxidants, to prevent deterioration and dangerous reactions.
At the same time, the user needs to be professionally trained and familiar with the characteristics of this object and emergency treatment methods. In the event of an accident, such as leakage, etc., it should be dealt with quickly according to the established emergency plan, evacuated in time, and avoid the expansion of harm. Only in this way can it play its role effectively under the premise of safety.