4,4-Diamino Stiben-2,2-Disulfonic Acid

Lingxian Chemical

Specifications

HS Code	192147
Chemical Formula	C14H16N2O6S2
Molar Mass	372.42 g/mol
Appearance	Yellowish - white crystalline powder
Solubility In Water	Soluble
Melting Point	Decomposes
Ph Of Solution	Acidic in solution
Stability	Stable under normal conditions
Hazard Class	May be harmful if swallowed, inhaled or in contact with skin

Packing & Storage

Packing	50 - kg bags for 4,4 - Diamino Stiben - 2,2 - Disulfonic Acid packaging.
Storage	4,4 - Diamino Stiben - 2,2 - Disulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and direct sunlight. Store in tightly - sealed containers to prevent moisture absorption and contamination. Avoid storing near oxidizing agents to prevent potential chemical reactions.
Shipping	4,4 - Diamino Stiben - 2,2 - Disulfonic Acid is shipped in well - sealed containers. It must be handled with care to prevent spills. Shipping follows strict chemical regulations to ensure safety during transit.

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General Information

Historical Development

4,4-diaminosilane-2,2-disulfonic acid, the rise of this substance began in the West. At that time, chemistry was just emerging, and all kinds of new substances appeared frequently. Its beginning was also made by Western sages with exquisite methods and repeated trials.
At the beginning, its use was not wide, and it was only a corner of chemical research. Post-industry gradually flourished, and this product emerged in the dyeing and weaving industry. With its uniqueness, it added splendid color to the fabric.
With the passage of time, the deeper the research, the wider its application. Not only in the dyeing industry, but also in other industries. The method of the past, with the advancement of science and technology, has also been improved, resulting in higher productivity and better quality. Looking at its development path, starting from micro, it is also a witness to the development of the chemical industry.

Product Overview

4,4-diaminodistyrene-2,2-disulfonic acid is an important chemical raw material. Its color is white, powdery, and it has a certain solubility in water.
This compound has a wide range of uses in the dye industry and can be used as an intermediate for the synthesis of various dyes. Through a specific chemical reaction, it can be converted into a dye with bright color and good fastness, which is widely used in textile printing and dyeing and other fields.
Furthermore, it also plays a key role in the preparation of some functional materials. Due to its unique structure, it endows the material with specific optical, electrical and other properties.
To prepare this compound, it is necessary to strictly control the reaction conditions, such as temperature, pH, etc., to ensure the purity and quality of the product. And the production process must pay attention to environmental protection and properly handle waste to avoid polluting the environment.

Physical & Chemical Properties

4,4-diaminodistyrene-2,2-disulfonic acid This substance has unique physical and chemical properties. Its color is white and stable under light. Looking at its shape, it is often in a crystalline state, with slightly better solubility in water and slightly solubility in organic solvents.
In terms of its chemical activity, the amino group and the sulfonic acid group are the key. The amino group can react with many reagents, such as acylation and alkylation, and the sulfonic acid group gives it acidic properties and can neutralize with bases to form salts. When heated, the structure gradually changes, the temperature exceeds a certain value, or decomposes or rearranges. Because its structure contains a conjugated system, it has specific optical properties and is widely used in dyes and other fields. This is an overview of some physicochemical properties of 4,4-diaminodistyrene-2,2-disulfonic acid.

Technical Specifications & Labeling

Technical specifications and labels of 4,4-diaminodistyrene-2,2-disulfonic acid (commodity parameters)
For 4,4-diaminodistyrene-2,2-disulfonic acid, its technical specifications and first purity. When tested with accuracy, the purity must reach a specific standard to be optimal. Its color state is also the key, it should be a specific color and uniform texture.
As for the logo, the product parameters must be detailed. On the packaging, the name should be clearly written, and the number of purity and the characteristics of the character should be marked. These two, technical specifications and labels, are related to the quality of this product and should not be ignored. Following these two, the use of 4,4-diaminodistyrene-2,2-disulfonic acid can be guaranteed to be correct, which is helpful in all industries.

Preparation Method

4,4 - Diamino Stiben - 2,2 - Disulfonic Acid is an important chemical raw material. The preparation method and the selection of raw materials are very important. P-nitrotoluene is commonly used as starting materials.
The preparation process first makes p-nitrotoluene sulfonate and introduces sulfonic acid groups. This is an important step. Then through the reduction process, the nitro group is converted into amino groups to obtain key intermediates. Then through the condensation reaction, the reaction conditions, such as temperature and pH, are carefully adjusted to promote molecular connection, and finally 4,4 - Diamino Stiben - 2,2 - Disulfonic Acid.
During the reaction process, the operation of each step needs to be strictly controlled. The purity of raw materials and the monitoring of the reaction process are all related to the quality of the product. In order to ensure the efficient and stable progress of the reaction, a suitable catalytic mechanism needs to be constructed to improve the reaction rate and yield, so as to obtain high-quality 4,4-Diamino Stiben-2,2-Disulfonic Acid products.

Chemical Reactions & Modifications

4,4-diaminosilane-2,2-disulfonic acid is also an important substance in chemical research. Its chemical treatment and modification are worthy of in-depth study. In the past, there were complicated methods for preparation, and the product properties were not perfect.
Today, we strive to improve it, and we have carefully explored the chemical conditions, such as temperature, pressure, and catalyst selection. After many attempts, we hope to obtain high-efficiency processing paths and improve the purity and characteristics of the products. In the way of modification, we also think about starting from the molecular structure to increase its stability and solubility. This unremitting research will make 4,4-diaminosilane-2,2-disulfonic acid more advantageous in industrial applications and add brilliance to the chemical industry.

Synonyms & Product Names

4,4 - Diamino Stiben - 2,2 - Disulfonic Acid, also known as benzidine - 2,2 '-disulfonic acid, and 4,4' -diamino - 2,2 '-disulfonic acid biphenyl. Although its synonymous name is complex, they all refer to the same compound.
In the past, when the chemical industry was not yet developed, it was difficult to find such substances. Today, it is different. The process is advanced. This compound is used in the chemical industry and has become more and more widely. It may be the basis of dyes, adding color and color to fabrics, making fabrics brilliant; or it may be a reagent, assisting scientific research, and solving many chemical puzzles.
Although their names vary, their essence is 4,4 - Diamino Stiben - 2,2 - Disulfonic Acid. The wonders of chemical industry can be seen here. The same substance and different names are used for the convenience of all parties to promote the development of chemical industry and the progress of scientific research.

Safety & Operational Standards

Specifications for the safety and operation of 4,4-diaminodistyrene-2,2-disulfonic acid products
F 4,4-diaminodistyrene-2,2-disulfonic acid is quite useful in the field of chemical industry. However, in order to ensure its safe and smooth use, there must be strict safety and operation specifications.
At the safe end, the first protection. Anyone involved in this product should wear appropriate protective clothing, such as chemical corrosion-resistant clothing, to prevent it from touching the body and skin. And must wear goggles and protective gloves. The eyes are essential for seeing the object, and the hands are the tools for operation. If this product does not enter the eyes carefully, rinse it with plenty of water as soon as possible, and seek medical treatment. If it touches the skin, it is also necessary to remove the stain quickly, wash it with water, and seek medical attention as appropriate.
Furthermore, be careful when storing. It should be placed in a cool, dry and well-ventilated place, away from fire and heat sources. Because of its chemical nature, or the risk of explosion, fire and explosion protection should not be taken lightly.
As for the operating specifications, you must know their properties before use. When weighing, be sure and careful not to let the powder rise in the air, so as not to enter the way of breathing. There should be good ventilation in the operation room to reduce the concentration of its gas in the air. After use, properly dispose of the remaining materials and utensils, and do not discard them at will to prevent pollution of the environment.
All of these are to ensure the safe and orderly use of 4,4-diaminodistyrene-2,2-disulfonic acid. Practitioners should keep it in mind, follow it, and do not slack off, so that the chemical industry can be prosperous and safe.

Application Area

4,4-Diamino Stiben-2,2-Disulfonic Acid (4,4-Diamino Stiben-2,2-Disulfonic Acid) is used in many fields. In the dyeing and weaving industry, it can be used as a raw material for dyes. With its structural characteristics, it can make the fabric bright and have good fastness, and the dyed color is positive and long-lasting. In paper manufacturing, it can be a whitening agent, making the paper white and pleasing to the eye, and improving the quality of paper products. In chemical synthesis, it is also a key intermediate. After clever synthesis, it can produce a variety of fine chemicals. Its wide range of applications, just like the stars in the sky, in various fields of industry, all show its unique ability, for the progress of many industries, contribute to the huge help.

Research & Development

Since modern times, the technology of chemistry has become more and more new, and many compounds have gradually been studied by the world. 4,4 - Diamino Stiben - 2,2 - Disulfonic Acid This substance has also entered the field of my generation's research.
We have dedicated ourselves to studying its properties, structure and reaction mechanism. At first, we had doubts about its many characteristics, but after repeated experiments, observations and deductions, we gradually gained something. In the synthesis method, we continue to improve, and strive for high efficiency and purity.
We also think about the future development of this substance, or it can make a name for itself in the fields of dyes, medicine and so on. In time, if we can make good use of it, we will definitely be able to contribute to the development of the industry and benefit the world. We should persevere and explore unremittingly, with the hope of pushing this research to new frontiers and promoting its wide application in order to develop its extraordinary value.

Toxicity Research

Since modern times, chemistry has been refined, and new substances have emerged one after another. Today, there is 4,4 - Diamino Stiben - 2,2 - Disulfonic Acid. Our generation takes toxicological research as the service and explores it in detail.
Take an appropriate amount of this substance and apply it to experimental organisms according to rigorous methods. Observe its diet, daily life, activities and rest, and observe changes in its physiological characteristics. Over time, some biological vitality gradually decays, and the organs appear abnormal.
From this, it can be seen that 4,4 - Diamino Stiben - 2,2 - Disulfonic Acid is toxic. Although the current research is still shallow, the toxicity has already been revealed. The follow-up method should be used to investigate its toxicological mechanism and clarify its action path in the biological body, so as to provide evidence for protection and application, so that this chemical can be beneficial to the world under reasonable control and avoid the poisoning of living beings.

Future Prospects

Guanfu 4,4 - Diamino Stiben - 2,2 - Disulfonic Acid Although this product is not widely used today, it can be hoped for in the future. Its unique nature, or in the dyeing and weaving industry, adds novel color; or in the field of medicine, opens up unknown paths.
Although it is limited by skills and costs, it has not been able to thrive in the world. However, over time, study its essence and solve its problems. When the time comes, the technology will be refined and the cost will be moderate, and it will surely emerge in various industries.
In the future, it may become a treasure of industry, benefit all people and add brilliance to the society. The road ahead is long, but with expectations and unremitting search, we will surely be able to witness its brilliance.

Frequently Asked Questions

What is the main use of 4,4-Diamino Stiben-2,2-Disulfonic Acid?

4,4 '-diaminodistyrene-2,2' -disulfonic acid, its main uses are quite extensive. This substance plays a significant role in the field of dye preparation and is often a key intermediate in the synthesis of a variety of bright and good fastness dyes. With it, dyes with good light resistance and washable properties can be constructed. In the textile printing and dyeing industry, fabrics can be colorful and long-lasting. Various fibers such as cotton, linen, silk, etc. can be dyed with bright colors.
In the paper industry, it also has important uses. It can be used to produce high-whiteness paper, enhance the optical properties of paper, make paper more white and bright, and improve the quality of paper products. It is widely used in the manufacture of paper products such as writing paper and printing paper.
In the synthesis of fluorescent whitening agents, it is also a key raw material. Fluorescent whitening agents can absorb invisible ultraviolet light, and then emit blue light in the form of complementary yellow light with paper or fabric itself, so as to achieve whitening effect. It is widely used in detergents, plastics and other industries to improve the appearance whiteness and gloss of products.
This substance is important in the chemical industry. With its unique structure and properties, it plays a key role in many industries and promotes the development and progress of related industries.

What are the physicochemical properties of 4,4-Diamino Stiben-2,2-Disulfonic Acid

4,4 '-Diaminodistyrene-2,2' -disulfonic acid, this is an organic compound. Its physical and chemical properties are as follows:
Viewed at room temperature, it is a white to light yellow crystalline powder, which is easy to store and handle.
When it comes to solubility, it is soluble in water and can be moderately dissociated in water. This property makes it well dispersed and reacted in many aqueous systems, which is very important in the process of water-based media such as textile printing and dyeing.
In terms of thermal stability, it is stable in a certain temperature range. However, when the temperature is too high, it may decompose, causing structural changes and performance damage, so temperature control is required during storage and use.
Acid-base stability is also worth mentioning. It is relatively stable in the environment of weak acid and weak base. In case of strong acid and strong base, its amino group reacts with or with sulfonic acid group, causing molecular structure changes and affecting performance.
It has amphoteric, amino group is basic, sulfonic acid group is acidic, and can neutralize with acid or base. It exists in different ion forms under different pH conditions. This property has a great impact on its behavior in chemical reactions and applications.
Furthermore, the compound has a certain photosensitivity. Under long-term light exposure, it may cause structural changes due to luminescent chemical reactions, which affects its color and chemical activity. It should be protected from strong light for use and storage. The unique physical and chemical properties of 4,4 '-diaminodistyrene-2,2' -disulfonic acid have far-reaching impact on its application in chemical industry, textile, printing and dyeing, etc. In practical applications, it is necessary to operate and use reasonably according to its characteristics.

What are the precautions in the production process of 4,4-Diamino Stiben-2,2-Disulfonic Acid?

When preparing 4,4 '-diaminodistyrene-2,2' -disulfonic acid, many things need to be paid attention to.
First, the selection and purification of raw materials is extremely critical. The starting material used must have high purity, impurities will significantly affect the quality and yield of the product. For example, if the raw material contains too much impurities, the reaction process or side reactions will cause poor product purity, and subsequent separation and purification will also increase the difficulty.
Second, the control of reaction conditions is of paramount importance. Temperature needs to be precisely controlled, and different stages have appropriate temperature ranges. If the temperature is too high, the reaction rate will increase, but it is easy to exacerbate side reactions; if the temperature is too low, the reaction will be slow, take a long time, and the yield will be low. Taking a similar reaction as an example, if the temperature deviation is several degrees, the yield will fluctuate greatly. The reaction time should also be appropriate. If the time is too short, the reaction is incomplete, and the amount of product is small; if the time is too long, or the reaction is excessive, the quality of the product will be damaged.
Third, the choice of reaction solvent needs to be cautious. The solvent should not only be able to dissolve the reactants well, so that the reaction can proceed homogeneously, but also its properties may affect the reaction rate and selectivity. For example, polar solvents or non-polar solvents will have different effects on the reaction process and product formation due to differences in reaction mechanisms.
Fourth, the separation and purification steps should not be ignored. After the product is generated, many impurities are mixed, and suitable methods need to be used to separate it. It can be combined with filtration, extraction, crystallization and other means to improve the purity of the product. For example, when crystallizing, control the cooling rate and crystallization conditions to obtain high-purity crystals.
Fifth, safety protection cannot be ignored. Some raw materials, intermediates in the reaction may be toxic and corrosive, and safety procedures must be strictly followed during operation. Wear protective equipment and work in good ventilation to ensure the safety of personnel and the environment.
All of these are the ones that should be paid attention to in the process of preparing 4,4 '-diaminodistyrene-2,2' -disulfonic acid. Failure in any link may affect the quality of the product and production efficiency.

What is the market price of 4,4-Diamino Stiben-2,2-Disulfonic Acid?

The market price of Guanfu 4,4-diaminodistyrene-2,2-disulfonic acid is quite complicated due to the influence of many factors. This compound has a wide range of uses and is a key raw material in dyes, pigments and other industries.
Its market price is first influenced by supply and demand. If the dye industry is booming, the demand for it increases sharply, and the supply is difficult to respond, the price will rise. On the contrary, if the industry is sluggish, the demand decreases sharply, and the supply is abundant, the price will decline.
Furthermore, the cost of raw materials is also an important factor. If the price of raw materials required for its synthesis fluctuates, the cost of 4,4-diaminodistyrene-2,2-disulfonic acid will change, thus affecting the market price. If raw materials are scarce and high prices are hard to find, the market price of this product will also rise.
Production technology and process are also related to price. If a new technology comes out, it can greatly increase production efficiency and reduce costs, and the market price may fall as a result. However, the new technology is not widely used, and only a few can master it, and this minority may be able to control the price.
The market competition situation should not be underestimated. If there are many suppliers and the competition is fierce, there may be price cuts in order to compete for share. On the contrary, if there are few suppliers, it will form a monopoly, and the price may be controlled by them.
As for the current exact market price, it is difficult to hide it. It is necessary to pay close attention to chemical market information and observe changes in supply and demand, cost changes, new technologies, and competitive conditions in order to obtain a more accurate price trend.

What are the storage conditions for 4,4-Diamino Stiben-2,2-Disulfonic Acid?

4,4-diaminodistyrene-2,2-disulfonic acid, this substance is an organic compound, and its storage conditions are crucial, which is related to its quality and stability.
First, it needs to be placed in a cool place. Exposure to the hot sun may cause the temperature to be too high, which changes the molecular activity of the compound and accelerates the decomposition and deterioration. Therefore, it can be hidden in a place without direct sunlight, where the temperature is relatively low and stable, so that its properties can be stable.
Second, the environment should be dry. Because of its certain water absorption, humid gas is easy to make it damp. Once damp, or cause a chemical reaction, the purity will decrease, which will affect the use. It should be placed in a dryer or in an environment with a desiccant.
Third, sealed storage is indispensable. Excessive contact with air, including oxygen, carbon dioxide and other components, or reaction with the compound. A sealed device can prevent air from invading, such as a glass bottle and sealed with a rubber plug or glass plug to ensure that it is isolated from the outside world.
Fourth, keep away from fire sources and strong oxidants. This compound is exposed to fire or strong oxidants, or there is a risk of combustion or explosion. It should be stored in a safe place separately, at a sufficient distance from fire sources and strong oxidizing substances.
In short, the storage of 4,4-diaminodistyrene-2,2-disulfonic acid needs to be cool, dry, sealed, and away from fire sources and strong oxidants, so that it can maintain good quality for a long time for subsequent use.