4,4'-Diaminostilbene-2,2'-Disulfonic Acid

Lingxian Chemical

Specifications

HS Code	436550
Chemical Formula	C14H14N2O6S2
Molecular Weight	366.40 g/mol
Appearance	white to light yellow powder
Solubility In Water	soluble
Melting Point	decomposes before melting
Ph Range	usually around 6 - 8 in solution
Odor	odorless
Stability	stable under normal conditions
Sensitivity	sensitive to strong oxidizing agents
Main Use	used in the production of optical brighteners

Packing & Storage

Packing	25 - kg bags for 4,4'-Diaminostilbene - 2,2'-Disulfonic Acid packaging.
Storage	4,4'-Diaminostilbene-2,2'-Disulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and direct sunlight. Store in a tightly - sealed container to prevent moisture absorption and contamination. This helps maintain its chemical stability and reduces the risk of degradation or hazardous reactions.
Shipping	4,4'-Diaminostilbene - 2,2'-Disulfonic Acid is shipped in tightly - sealed containers. It should be protected from moisture and stored separately from incompatible substances during transit to ensure safety.

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4,4'-Diaminostilbene-2,2'-Disulfonic Acid

General Information

Historical Development

The development of 4,4 '-diaminodistyrene-2,2' -disulfonic acid has a long history. At the beginning, scholars studied and wanted to obtain this delicate chemical material. In the past, various sages groped in the darkness, hoping to solve its mysteries.
First, everyone tried various paths, many hardships, but they were determined. After a long time, after repeated experience, they began to gain something. From the initial ignorance to the gradual understanding, every step was immersed in hard work.
Although the method at that time was simple, it was the cornerstone. Later scholars, who inherited the past, continued to improve. In craftsmanship and quality, they all strive for the best. Therefore, the development of 4,4 '-diaminodistyrene-2,2' -disulfonic acid was booming, and it gradually shone in the field of chemical industry. It was used by later generations and became an indispensable material.

Product Overview

4,4 '-Diaminodistyrene-2,2' -disulfonic acid is also an important raw material for chemical industry. Its color is white, like powder, soluble in water, and stable.
This product has a wide range of uses in the dye industry, which can add colorful colors to fabrics, with bright and lasting colors. It also has extraordinary achievements in the paper industry, which can increase the whiteness and luster of paper and make it more pleasing to the eye.
When preparing, it is necessary to follow the law, control temperature, control time, and fine operation to obtain high-quality products. Although it is an industrial good material, it should also pay attention to environmental protection, properly dispose of its waste, and do not pollute the environment. Overall, 4,4 '-diaminodistyrene-2,2' -disulfonic acid is indispensable in many industrial fields, and its effective use is significant.

Physical & Chemical Properties

The physicochemical properties of 4,4 '-diaminodistyrene-2,2' -disulfonic acid are particularly important. Looking at its color, it often shows a white state, like the purity of frost and snow. Its shape is mostly fine powder, delicate to the touch. In terms of its solubility, it is soluble in water, just like ice crystals melted in streams, and can be evenly dispersed. Thermal stability is also considerable. At moderate temperatures, the structure is stable and not easy to disintegrate. In terms of chemical activity, its amino group and sulfonic acid group have the ability to react, and can be combined with a variety of reagents, just like a smart dancer, performing a variety of reactions on the chemical stage, laying the foundation for applications in many fields.

Technical Specifications & Labeling

4,4 '-diaminodistyrene-2,2' -disulfonic acid, its process specifications and identification (product parameters) are the key. Looking at this substance, in order to clarify its process specifications, it is necessary to carefully observe the preparation method, from the selection of raw materials, accurate proportions, to the control of reaction conditions, temperature, duration, pressure are all fixed, not sloppy at all. On the label, in addition to its name, the product parameters should also be detailed, the purity geometry, and the number of impurities should be clearly marked. In this way, this product can be used to show its full potential without error. The precision of the process and the accuracy of the logo are the foundation of this product.

Preparation Method

There is currently a method for preparing 4,4 '-diaminodistyrene-2,2' -disulfonic acid, which is described in detail below. First take the raw material, the main one is [specific raw material name], according to a specific ratio. The process of making this, first make [raw material] react under [reaction condition 1], after a few hours, this is the first step of the reaction.
Then, adjust the reaction conditions to [reaction condition 2], so that the reaction can continue. This step needs to be carefully controlled, because it is related to the purity of the product. During this period, pay attention to the process of the reaction and fine-tune the conditions in a timely manner.
After the reaction is completed, the purification process is carried out. By a specific method, impurities are removed to make the product pure. The purification mechanism used is based on the difference in characteristics between the product and the impurities. After multiple treatments, pure 4,4 '-diaminodistyrene-2,2' -disulfonic acid can be obtained. This preparation method requires strict operation to obtain good results.

Chemical Reactions & Modifications

4,4 '-diaminodistyrene-2,2' -disulfonic acid, the transformation of this substance should be modified, and it is related to our research. In past experiments, its transformation should be difficult, and the yield is not as satisfactory. The reaction conditions are harsh, and the choice of temperature and solvent needs to be carefully controlled. There is a slight difference, and the results are very different.
However, we are not discouraged, and after repeated research, we have made some gains. The improved method, or the adjustment of the reaction medium, or the introduction of a new catalyst, has made the transformation a lot smooth, and the yield has gradually increased. On the way to modification, explore the change of molecular structure, add groups, adjust bonds, and hope to give it novelty.
This is all our hard work, and we should still make progress in the future, hoping to make more breakthroughs in the chemical research and modification of 4,4 '-diaminodistyrene-2,2' -disulfonic acid.

Synonyms & Product Names

4,4 '-Diaminodistyrene-2,2' -disulfonic acid, this material has a wide range of uses. Its synonymous name is called diaminodistyrene disulfonic acid. The names of commodities in the market are also different.
This product, in the dyeing and weaving industry, can be used as a dye intermediate to add brilliance to the color. Because of its unique structure, it can make the dye have better fastness and vividness. And in the paper industry, it also has its uses, which can help whiten paper and improve the appearance of paper products.
Its synonymous title is convenient for industry communication, so that everyone can understand what it refers to. The name of the product, or depending on the manufacturer, has its own characteristics, but it refers to this important chemical product, which is indispensable in many fields of industrial production.

Safety & Operational Standards

Specifications for the safety and operation of 4,4 '-diaminodistyrene-2,2' -disulfonic acid products
For 4,4 '-diaminodistyrene-2,2' -disulfonic acid, it is also a chemical. If you want to be good at it, you must first clarify its safety and operation specifications.
In terms of safety, although this product is not highly toxic, it should not be ignored. If it touches the skin, rinse it with water as soon as possible, and it may cause discomfort for a long time. If it enters the eye, you must be especially cautious, rinse it with plenty of water urgently, and seek medical attention as soon as possible. If you inhale it accidentally, it is advisable to leave the scene as soon as possible and go to a well-ventilated place. If taken by mistake, do not induce vomiting, and seek medical attention as soon as possible.
As for operating specifications, the first priority is the environment. Operate in a well-ventilated place to avoid dust. Operators should wear protective clothing, goggles and gloves to prevent contamination. When weighing, when accurate, do not let the powder fly away. When mixing and stirring, it should be slow and even, observe its reaction, and prevent unexpected changes.
When storing, keep it in a dry, cool place, protected from fire and heat sources. Keep it sealed and protected from contact with air and moisture. If used, clean the utensils properly, and dispose of the remnants according to regulations. Do not discard them at will.
These are the general guidelines for the safety and operation of 4,4 '-diaminodistyrene-2,2' -disulfonic acid. Following them can ensure the safety of operation and the good use of materials.

Application Area

4,4 '-Diaminodistyrene-2,2' -disulfonic acid, this substance is widely used. In the field of dyeing and weaving, it can be used as a dye intermediate. After ingenious combination, it can produce colorful dyes, and the dyed fabric has a bright and lasting color. In the paper industry, it can whiten paper, make it glow, and improve the quality of paper products. In the field of fluorescent whitening agents, it also has extraordinary performance, which can significantly enhance the whiteness and gloss of objects. The application of this substance, such as the stars shining in the industrial sky, adds color to many industries and promotes their vigorous development. It is an indispensable chemical raw material.

Research & Development

The chemical industry is changing with each passing day, and new products are emerging one after another. Today there is 4,4 '-diaminodistyrene-2,2' -disulfonic acid, which is very important to my research.
At the beginning of the research, I was trapped in the extraction method, the impurities were difficult to remove, and the effect was not good. However, I and my colleagues did not give up, and we repeatedly tried to find a wonderful method. Optimize the process, select reagents, and then improve the purity and yield.
As for the application, the future is quite promising. It can be used for dyeing and weaving, with bright and long-lasting color; it can also be used for fluorescent materials, and the luminescence performance is very good.
Although it has been achieved today, the road ahead is still long. We should make unremitting efforts to study, expand its use, and improve its quality, with the goal of adding a touch of color to the chemical industry and promoting the prosperity of the industry. This is also the ambition of our generation.

Toxicity Research

Today there is a substance named 4,4 '-diaminodistyrene-2,2' -disulfonic acid. As a chemical researcher, I have devoted myself to studying its toxicity.
To observe this substance, it has many applications in industry, but the study of toxicity is crucial. After repeated tests, its effect on organisms was observed. Taking various organisms as samples, applying this substance to observe its physiological changes and growth patterns.
At the beginning, no significant abnormalities were seen. However, after a while, some samples showed abnormalities. Or slow movement, or poor diet. From this, this 4,4 '-diaminodistyrene-2,2' -disulfonic acid is really toxic. Although the magnitude of its harm cannot be lightly stated, the toxicity has already been revealed. In the future, when more in-depth investigation is made to clarify its toxic mechanism, in order to protect all living beings from its harm, and when it is also used for industrial purposes, safety regulations should be established to avoid disasters.

Future Prospects

Today, there is a product named 4,4 '-diaminodistyrene-2,2' -disulfonic acid, which is an important object of chemical research. I look at this product with infinite potential and full of expectations for future development.
This product may be able to show its talents in the field of materials, improve the performance of materials, make materials more tough and have special functions. It is also expected to innovate in the dye industry to produce more vivid and long-lasting dyes, which are widely used.
Furthermore, in biomedicine, it may be able to assist in the development of new drug carriers and help the progress of precision medicine. I firmly believe that with time and in-depth research, it will be able to tap more of its potential, bring well-being to the world, and create a better future.

Frequently Asked Questions

What is the main use of 4,4 '-diaminodistyrene-2,2' -disulfonic acid?

4,4 '-Dihydroxystilbene-2,2' -disulfonic acid, this material is widely used. In the dyeing and weaving industry, it is often used as a dye aid. Because of its good water solubility and dispersion, it can help the dye to be evenly dispersed in the dye liquid, making the fabric evenly colored, bright and firm, and greatly improving the dyeing quality.
In the papermaking industry, it is also indispensable. It can enhance the whiteness and brightness of paper, optimize the optical properties of paper, and produce paper that is whiter and more pleasing to the eye. At the same time, it can improve the physical properties of paper, such as strength and flexibility, so that the paper quality is better.
In the field of detergents, it plays an important role. As an additive, it can improve the decontamination ability of detergents, and has a significant effect on removing various stains on fabrics, helping to wash clothes and restore cleanliness.
In addition, it is also used in the cosmetics industry. With its special chemical structure and properties, it can exert the equivalent functions of antioxidant and whitening. Added to cosmetics, it helps to delay skin aging and brighten skin tone, and is favored by beauty lovers. In short, 4,4 '-Dihydroxystilbene-2,2' -disulfonic acid plays an important role in many industries, promoting the improvement and development of product quality in various industries.

What are the physical properties of 4,4 '-diaminodistyrene-2,2' -disulfonic acid

4,4 '-Dihydroxystilbene-2,2' -disulfonic acid is an organic compound. Its physical properties are particularly important and relevant to its many uses.
This compound is mostly solid at room temperature. Its color is often close to white or microstrip color, depending on the purity. The melting point is quite high, and it needs to reach a specific temperature to melt into a liquid state. This property makes it possible to maintain the stability of the solid state in high temperature environments. It is quite valuable in many industrial processes and material applications.
In terms of solubility, it exhibits good solubility in water because of its sulfonic acid group. This property allows it to be easily dispersed in the aqueous phase system, making it easy to participate in various aqueous phase chemical reactions, and is also conducive to applications in water-based coatings, printing and dyeing additives, etc. However, in organic solvents, their solubility may be different. Generally, in organic solvents, the solubility is relatively limited. This is due to the combined action of benzene rings and polar groups in the molecular structure.
In addition, 4,4 '-dihydroxystilbene-2,2' -disulfonic acid has certain hygroscopicity. Due to the hydrophilicity of the sulfonic acid group, it is easy to absorb moisture in the air in an environment with high humidity. This property should be paid attention to during storage and use, and it should be properly stored to prevent moisture absorption from affecting its quality and performance.
Furthermore, the stability of the compound is also worthy of attention. Under normal conditions, the structure is relatively stable. When encountering strong acids, strong bases or specific strong oxidants, the molecular structure may change, affecting its original physical and chemical properties. Therefore, it is necessary to avoid contact with such substances during use and storage.

Is the chemical properties of 4,4 '-diaminodistyrene-2,2' -disulfonic acid stable?

4,4 '-Dihydroxystilbene-2,2' -disulfonic acid, the chemical properties of this substance are quite stable.
Looking at its structure, the hydroxyl group contained in the molecule interacts with the sulfonic acid group, resulting in a relatively stable state in the molecule. As a power supply group, the hydroxyl group can form intramolecular hydrogen bonds with the sulfonic acid group to strengthen the molecular structure, which is one of the major sources of its stability.
From the perspective of reactivity, the strong electron-absorbing properties of the sulfonic acid group reduce the electron cloud density on the benzene ring to a certain extent, making it difficult for electrophilic substitution reactions to occur. Even in the face of common chemical reagents, its reactivity is also low. For example, under general acid-base conditions, the substance can remain relatively stable and is not prone to common reactions such as hydrolysis and oxidation.
In addition, the stilbene structure itself has a conjugate system, and the conjugate effect further enhances the molecular stability. The conjugate system makes the electron cloud more evenly distributed within the molecule, reducing the overall energy of the molecule, so it is more difficult to be disturbed by external factors and undergo chemical changes.
Furthermore, in common temperature and pressure environments, 4,4 '-dihydroxystilbene-2,2' -disulfonic acid can maintain its inherent form and chemical properties for a long time, and is not easy to decompose or convert into other substances by itself.
Combining the above factors, 4,4 '-dihydroxystilbene-2,2' -disulfonic acid has relatively stable chemical properties.

What are the processes for producing 4,4 '-diaminodistyrene-2,2' -disulfonic acid?

The preparation process of 4,4 '-dihydroxystilbene-2,2' -disulfonic acid is like an ingenious skill, which contains many subtleties.
One is the method of chemical synthesis. Using suitable organic compounds as starting materials, benzene derivatives are often used as bases. After a multi-step reaction, the structure of the target molecule is gradually constructed by controlling the precise reaction conditions, such as temperature, pH, and the use of catalysts. In a specific reaction environment, through a substitution reaction, hydroxyl groups and sulfonic acid groups are precisely introduced to form the required functional groups on the benzene ring in sequence, so as to achieve the purpose of synthesizing 4,4 '-dihydroxystilbene-2,2' -disulfonic acid. This process requires fine regulation of each step of the reaction to ensure the selectivity and yield of the reaction.
The second is the art of separation and purification. After the reaction, the obtained product is often mixed with impurities, and a separation technology is required to obtain a pure target product. The method of recrystallization can be used. According to the difference in solubility between the product and the impurities in a specific solvent, a suitable solvent is selected. After heating and dissolving the mixture, it is slowly cooled to allow the product to crystallize and precipitate, and the impurities remain in the solution. Preliminary separation can also be achieved by chromatography, such as column chromatography, high-performance liquid chromatography, etc., using the different distribution coefficients of different substances between the stationary phase and the mobile phase, the product and impurities can be effectively separated to obtain high-purity 4,4 '-dihydroxystilbene-2,2' -disulfonic acid.
The third is the way of process optimization. In order to improve production efficiency and product quality, it is key to continuously optimize the process conditions. Study the activity and selectivity of different catalysts, and find the most suitable one to speed up the reaction rate and reduce the reaction energy consumption. At the same time, optimize the reaction equipment and process to ensure the stability and continuity of the reaction, reduce the occurrence of side reactions, and then improve the quality and yield of the product, so that the whole preparation process is more perfect.

What is the price range of 4,4 '-diaminodistyrene-2,2' -disulfonic acid in the market?

I look at your question, but I am inquiring about the price range of 4,4 '-dihydroxystilbene-2,2' -disulfonic acid in the market. Sadly, I do not know the exact price, which often varies depending on quality, quantity, supply, and timely demand.
Or in the pharmaceutical market, the quality of this product is of high quality, but the quantity is small and the price is high; in the chemical business, the quantity is huge and the price is slightly inferior. If you buy it in ordinary business, the price is normal; if you ask for a well-researched factory, the price is high, because its quality is pure.
If you want to know the exact price, you can consult the chemical companies, the affiliates of pharmaceutical traders, or visit the chemical trading network to get the real-time price. And the market is changeable, and the price is uncertain. What you inquire at that time is a definite number. May this answer be helpful to you.