4,4'-Diamino-2,2'-Stilbenedisulfonic Acid

Lingxian Chemical

Specifications

HS Code	197986
Chemical Formula	C14H14N2O6S2
Molar Mass	366.40 g/mol
Appearance	white to off - white powder
Solubility In Water	soluble
Melting Point	decomposes before melting
Ph Aqueous Solution	acidic
Odor	odorless
Stability	stable under normal conditions
Reactivity	can react with strong oxidizing agents

Packing & Storage

Packing	25 - kg bags for 4,4'-Diamino-2,2'-Stilbenedisulfonic Acid chemical packaging.
Storage	4,4'-Diamino-2,2'-Stilbenedisulfonic Acid should be stored in a cool, dry place, away from direct sunlight. Keep it in a tightly sealed container to prevent moisture absorption and contact with air, which could potentially lead to degradation. Store it separately from oxidizing agents and incompatible substances to ensure safety.
Shipping	4,4'-Diamino-2,2'-Stilbenedisulfonic Acid is shipped in well - sealed containers, safeguarded from moisture and sunlight. Shipment adheres to strict chemical transport regulations to ensure safe transit.

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4,4'-Diamino-2,2'-Stilbenedisulfonic Acid

General Information

Historical Development

4,4 '-diamino-2,2' -stilbene disulfonic acid, the development of its materials has been in ancient times. In the past, the chemical industry was at the beginning of its rise, and everyone was looking for new things, and this product was also in the process. At the beginning, synthesis was difficult and little was produced. However, the craftsmen did not give up their research, and the craftsmanship gradually refined. After years, the synthesis method has been perfected day by day, and the output has also increased. In printing and dyeing and other industries, its effect is remarkable, and it can make the color firm and bright. Therefore, it is widely valued by the industry. With the passage of time, with the advance of science and technology, this product has achieved greater development in quality and quantity, and its use has become more and more extensive. It is an important part of the chemical industry, the heart of the past, and today's glory has been

Product Overview

4,4 '-diamino-2,2' -stilbene disulfonic acid is also a chemical compound. Its color is bright, and its properties are special. It can be used for dyeing and other activities, which can help the adhesion of color, so that the color of cloth will not fade for a long time, and it will be as beautiful as ever. Its delicate, the frame of stilbene, with amino and sulfonic acid groups, is in this special shape. The method of, needs to be based on the fine processing of, control of

Physical & Chemical Properties

4,4 '-Diamino-2,2' -distyrene disulfonic acid, this material property is special. Its color may be light white, like powder particles, delicate and uniform. It has a certain solubility in water, and the water temperature rises slightly, and it dissolves more easily.
On its chemical properties, it has the characteristics of acid, and can react with bases to form corresponding salts. The amino group and the sulfonic acid group in the molecule coexist, causing it to have a dipole moment, which can participate in a variety of reactions. Its light properties are also strange, and it can fluoresce when exposed to specific light, which is very useful in the field of dyeing, weaving and mapping. And its structure is stable, and it is not easy to change at room temperature for a long time. However, when it encounters strong acids, strong bases or hot topics, the structure may be broken, and the physical properties will also change.

Technical Specifications & Labeling

4,4 '-Diamino-2,2' -stilbene disulfonic acid is an important product in the chemical industry. Its process specifications and identification (commodity parameters) are related to quality and application.
For process specifications, the purity of raw materials, the temperature and time of reaction are all fixed. It is necessary to choose pure materials, control the temperature to a suitable degree, and keep the timing for a long time to obtain good quality. The method of reaction also pays attention to, or catalysis, or synthesis, all of which seek the purity and high rate of the product.
In terms of identification (commodity parameters), color, state, purity and content are all key. The color should be pure, the state should be uniform, the purity must reach excellent grade, and the content should be accurately marked. Only in this way can we clarify its quality and apply it to all uses, so that industrial production and scientific research can be carried out smoothly.

Preparation Method

The preparation method of 4,4 '-diamino-2,2' -distyrene disulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. The method is as follows: Take an appropriate amount of aniline raw materials and mix them with specific sulfonating reagents in a certain ratio. In the reactor, control the temperature and pressure to make it fully react. At the beginning, the temperature should rise slowly to a certain node and stabilize at a specific range, which is the key reaction temperature. During the reaction process, pay close attention to the changes of the reactants and fine-tune the conditions in a timely manner. When the reaction is gradually completed, through a series of separation and purification steps, impurities are removed to obtain pure 4,4 '-diamino-2,2' -distyrene disulfonic acid. In this preparation method, the catalytic mechanism is crucial. Selecting a suitable catalyst can promote the efficient progress of the reaction, improve the yield and purity, and each reaction step is interconnected, requiring high quality of raw materials and operation accuracy, so that high-quality products can be produced stably.

Chemical Reactions & Modifications

To taste the wonders of chemical industry, it is related to the change of substances. Reaction and modification are its cardinals. In today's words, 4,4 '-diamino-2,2' -distyrene disulfonic acid. The reaction of its synthesis is like the ancient alchemy technique, which can only be obtained by combining the phases of all materials and the precise temperature.
If you want to change its properties and increase its energy, you also need to think ingeniously. Change the agent of the reaction, or adjust the temperature of the reaction, in order to detect its change. Like the ancient doctor, the drug compatibility, dosage balance, in order to achieve the best effect.
The road of modification, if you go on the bumpy road, needs to be carefully examined. The speed of the reaction, the purity of the product, are all considered. Only by using scientific methods and repeated experiments can we obtain the best method, so that this object can perform well and be widely used in various fields of industry and scientific research to meet the needs of the times.

Synonyms & Product Names

4,4 '-Diamino-2,2' -distyrene disulfonic acid, also known as diaminodistyrene disulfonic acid. Although their names are different, they actually refer to the same thing.
In my research, this product is very important. It is used in many fields, such as the production of dyes, which can make the color bright and lasting. It is also an indispensable raw material in some chemical synthesis.
Although the names are different, their properties are the same. We should study them in detail, clarify their characteristics and know their usage, so that they can be used in scientific research and industry, and contribute to our generation's industry, so as to live up to this chemical wonder.

Safety & Operational Standards

"4,4 '-diamino-2,2' -distyrene disulfonic acid product safety and operating specifications"
Fu 4,4 '-diamino-2,2' -distyrene disulfonic acid is an important thing in the chemical industry. It is related to safety and operating standards and cannot be ignored.
For safety reasons, this product may have a certain latent risk. When storing, it should be placed in a cool, dry and well-ventilated place, away from fire and heat sources to prevent accidents. And should be stored separately from oxidants, acids and other substances, and must not be mixed to avoid the danger of chemical reactions. When handling, be sure to handle it with care, do not damage the packaging and cause material leakage.
In terms of operating specifications, operators need to be professionally trained and familiar with operating procedures. When operating, be in front of appropriate protective equipment, such as protective glasses, gloves and protective clothing, to protect your own safety. During use, strictly follow the established procedures and precisely control the reaction conditions, such as temperature, pressure and reaction time, to ensure a smooth reaction. If you accidentally come into contact with this object and splash it on the skin, you should immediately rinse it with plenty of water; if it enters the eye, you need to rinse it with flowing water or normal saline quickly and seek medical attention in time.
In short, the safety and operation specifications of 4,4 '-diamino-2,2' -stilbene disulfonic acid are related to the safety of personnel and the smooth production. They must not be taken lightly. They must be strictly adhered to to the guidelines to ensure safety.

Application Area

4,4 '-Diamino-2,2' -stilbene disulfonic acid has a wide range of uses. In the dyeing and weaving industry, it is often the backbone of dyes, giving fabrics a fresh color, and has good color fastness, which can withstand years of grinding and erosion by wind and rain.
In the world of papermaking, it is also indispensable. Adding pulp can increase the whiteness and smoothness of paper, making paper products more delicate, suitable for the production of various high-end paper products.
And in the pharmaceutical and chemical industry, this compound also has its uses. It can be used as a raw material or as an auxiliary agent to help the research and production of medicine, and contribute to the healthy industry. In conclusion, 4,4 '-diamino-2,2' -stilbene disulfonic acid is important in many domains and benefits the world.

Research & Development

I am dedicated to the research of 4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid. This compound is of great research value and has potential applications in many fields. When I first got involved in its research, I deeply felt the complexity of its structure and properties. After repeated experiments, its characteristics were analyzed.
I focus on studying from various aspects to find ways to optimize the synthesis. Through unremitting efforts, I have improved the synthesis process to improve the yield and purity. At the same time, considering its stability and reactivity, I hope to expand its application scope.
During the research period, I also faced many problems, such as the precise control of reaction conditions and the removal of impurities. However, I adhered to the spirit of research and overcome them one by one. In the future, I will continue the research and development of this compound, hoping to explore its more potential, contribute to related industries, promote its further development, and contribute to the academic and application fields.

Toxicity Research

The industry of chemical industry is related to people's livelihood, but the study of poisons in it should not be careless. Today there is 4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid, and the study of its toxicity is quite important.
Examine this thing carefully, and try it on all kinds of creatures in the experimental environment. Or see it on the body of insects, which has the effect of causing disease and hindering its growth; in the body of rats, it is also observed that its viscera are slightly changed, which seems to be a sign of damage. Although the path and harm of its poison into the human body are not completely clear, looking at various experiments, it can be seen that its toxicity is not light.
The study of the toxicity of this substance is designed to warn the world that when it is produced and used, strict regulations should be followed to prevent it from escaping, avoid damage to life and protect the safety of the environment. In this way, it will live up to the original intention of studying toxicity, so that the chemical industry can be beneficial but harmless.

Future Prospects

4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid, the thing of transformation. We study it, and we hope that it will not have a great environment. This object is already useful in the world, but it is still in the land of transformation.
I hope that before it is completed, its method can be more refined, the improvement can be better, the cost can be reduced, and the quantity can be increased. And the research of its nature can be deepened, so as to expand its use in the field, such as dyeing and destruction.
In a few days, it may be able to be exposed in the new field, and it will be used in the world, so that it can be used for good. We who study it must do our best to push it forward, hoping that this beautiful future will be realized as soon as possible.

Frequently Asked Questions

What are the main uses of 4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid?

4,4 '-diamino-2,2' -stilbene disulfonic acid has a wide range of uses. In the dyeing and weaving industry, it is often an important raw material for the synthesis of fluorescent whitening agents. This fluorescent whitening agent can make fabrics, paper, etc. appear bright and enhance their visual beauty. In the papermaking industry, adding fluorescent whitening agents made with this substance can significantly improve the whiteness of paper and make it brighter. It is used in cultural paper, household paper and other categories. In the field of printing and dyeing, it can help fabrics obtain better whitening effect, improve the color brightness and whiteness of dyed fabrics, and meet various color needs.
Furthermore, in the synthesis of some special chemicals, 4,4 '-diamino-2,2' -stilbene disulfonic acid is also a key intermediate. Through its chemical reaction, materials with special properties can be prepared, which can play a role in optical materials, functional polymers and other fields.
In the process of scientific research and exploration, due to its special chemical structure and properties, it is often the object of chemical research, helping researchers to explore new chemical reactions and new materials, and providing theoretical and practical support for the development of related fields. This substance occupies an important place in industrial production and scientific research innovation due to its various uses.

What are the physical properties of 4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid

4,4 '-diamino-2,2' -distyrene disulfonic acid, this material property is unique. Its white color, often in the state of powder, has good solubility in water, can be uniformly dispersed, this is one of its major characteristics.
Looking at its melting point, it is quite considerable, and it requires a specific high temperature to cause its melting. The stability of this substance is also its significant physical properties. Under normal temperature and humidity conditions, it can be stored for a long time without easy deterioration.
Its chemical activity also has characteristics. The molecular structure contains amino groups and sulfonic acid groups, which give it unique reactivity. Amino groups are nucleophilic, while sulfonic acid groups are acidic, so they can participate in many organic chemical reactions.
And because of its sulfonic acid group, it can be ionized in water and is in an ionic state. This property makes it play an important role in some specific application scenarios, such as dyes, additives, etc. It can be combined with fibers and other substances through ionic bonds and other forces to achieve specific functions, such as firmness of dyeing and solubility.

What are the chemical properties of 4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid

4,4 '-Diamino-2,2' -stilbene disulfonic acid, this physical property is a strange coincidence, let me come one by one.
It is a white to light yellow crystalline powder, soluble in water, slightly soluble or insoluble in organic solvents. This is because its molecular structure contains sulfonic acid groups and is hydrophilic, resulting in a certain solubility in water.
When it comes to stability, it is still stable under normal conditions. In case of strong oxidizing agents, strong acids or strong bases, chemical reactions may occur. If exposed to hot topics or open flames, there is also a risk of safety, or it may decompose and release harmful gases.
The photostability is poor, and it is prone to photochemical reactions under light, resulting in changes in its structure and properties, and changes in color. Therefore, it needs to be preserved in the dark.
This substance has acid-base properties. The sulfonic acid group is acidic, and it can partially ionize hydrogen ions in water, making the solution acidic. In case of alkali, it can neutralize and form corresponding salts.
The chemical reaction activity of 4,4 '-diamino-2,2' -distyrene disulfonic acid is quite rich. Amino and sulfonic acid groups can participate in many reactions, such as reacting with acid chloride and acid anhydride to form amide compounds; reacting with alcaldes and ketones, or forming Schiff bases.
It is widely used in many fields. In the dye industry, it is an important intermediate. It can produce a variety of types of dyes through a series of reactions, such as direct dyes, reactive dyes, etc., giving rich colors to fabrics. In the paper industry, it can be used as a paper whitening agent to improve the whiteness and gloss of paper. In addition, it also plays an important role in the fields of fluorescent whitening agents, photosensitive materials, etc.

What is the production method of 4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid?

The preparation method of 4,4 '-diamino-2,2' -stildisulfonic acid has been around for a long time. Its method is exquisite, and it is now the way for you.
In the past, specific organic compounds were often used as starting materials to prepare this substance. First, select aromatic derivatives with specific structures and use them as the basis to start the reaction. In an appropriate reaction vessel, add an appropriate amount of reactants and catalysts. The choice of catalyst is crucial, which can accelerate the reaction process and increase the rate of product formation.
The reaction environment also needs to be carefully regulated, and temperature and pressure are key factors. If the temperature is too high or too low, the reaction may deviate from the expected path, so it needs to be maintained in an appropriate range. The control of pressure is also indispensable. Appropriate pressure can promote the smooth progress of the reaction.
During the reaction process, the reactants interact with each other, chemical bonds are broken and recombined, and the precursor of the target product is gradually formed. At this stage, close attention should be paid to the reaction process and the reaction conditions should be adjusted in a timely manner.
Then, the precursor is further processed, and impurities are removed through a series of separation and purification methods to obtain pure 4,4 '-diamino-2,2' -stildisulfonic acid. Separation methods, or filtration, extraction, etc., choose the best one according to the impurities and product characteristics. When purifying, methods such as recrystallization are often used to achieve the purity of the product.
In this way, after many steps and careful operation, 4,4 '-diamino-2,2' -stildisulfonic acid can be obtained. This is the crystallization of the wisdom of predecessors. Although the years have passed, its method also has important reference value today.

4,4 '-Diamino-2,2' -Stilbenedisulfonic Acid What are the precautions during use

During the use of 4,4 '-diamino-2,2' -stilbene disulfonic acid, many things need to be paid attention to. This substance has specific chemical properties and is the first to be safe when used. Because of its potential harm to the human body, it is necessary to take protective measures when contacting, such as wearing suitable gloves, goggles and masks to prevent it from coming into contact with the skin, eyes and respiratory tract, and to avoid irritation or other adverse effects.
Furthermore, caution is also required when storing. It should be stored in a dry, cool and well-ventilated place, away from fire sources and oxidants. Due to its chemical structure, it may be unstable under certain conditions, and improper storage or dangerous.
The use process should be strictly operated according to the specifications. Accurately control the dosage. The dosage requirements vary depending on the application, and excessive dosage may cause negative effects. If used in chemical synthesis, dosage deviation may affect the quality and yield of the product; when used in other fields, it will also cause problems due to improper dosage.
In addition, the reaction conditions must also be precisely controlled. Temperature, pH and other factors may affect its chemical activity and reaction process. If some reactions need to be carried out in a specific temperature range and pH environment, the reaction can be ensured to be smooth and achieve the desired effect.
At the same time, after use, the remaining substances and waste should be properly disposed of. It cannot be discarded at will, and it needs to be disposed of in accordance with relevant environmental regulations to prevent environmental pollution. Due to its chemical properties, random discharge or residue, or long-term adverse effects on soil, water sources, etc.
In short, the use of 4,4 '-diamino-2,2' -stilbene disulfonic acid, from safety protection, storage, dosage control, reaction conditions control to waste disposal, every step cannot be ignored, so as to ensure the use process is safe, effective and environmentally friendly.