2,2'-Benzidinedisulfonic Acid

Lingxian Chemical

Specifications

HS Code	318240
Chemical Formula	C12H12N2O6S2
Molar Mass	344.36 g/mol
Appearance	Pale yellow crystals or powder
Solubility In Water	Soluble
Melting Point	287 - 290 °C
Ph Aqueous Solution	Acidic
Odor	Odorless
Stability	Stable under normal conditions
Hazard Class	May be harmful if swallowed, inhaled or in contact with skin

Packing & Storage

Packing	25 - kg bag packaging for 2,2'-Benzidinedisulfonic Acid chemical.
Storage	2,2'-Benzidinedisulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat and ignition sources. Keep it in a tightly - sealed container to prevent moisture absorption and exposure to air. As it may pose certain health risks, store it separately from incompatible substances, following strict safety regulations to ensure safety.
Shipping	2,2'-Benzidinedisulfonic Acid is shipped in well - sealed containers, compliant with hazardous chemical regulations. Care is taken to prevent spills and ensure stability during transit to safeguard handlers and the environment.

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General Information

Historical Development

2,2 '-Benzidine disulfonic acid, the development of its material, has its origin. In the past, the Fang family began to study the quality of this compound. At first, only a little knowledge of its properties, in the experimental room, to explore its reaction rules. Later, after years of study by various virtuous people, it gradually became clear that its structure is wonderful.
At that time, the process was not refined, it was quite difficult to make, and the output was meager. However, the ambition of learning people is unremitting, and they strive to improve. With the passage of time, science and technology are new, the preparation method is better, and the output is also increased. Since its initial appearance in the world, it has undergone changes and applications have gradually expanded, and it has been involved in various fields, such as dyeing and weaving, which enhances its color; the road of chemical industry depends on its deterioration. From micro-beginnings to widespread use, this is the development of 2,2 '-benzidine disulfonic acid.

Product Overview

2,2 '-Benzidine disulfonic acid, the properties of this substance, white or yellowish, in powder form. Its solubility, with a certain degree of solubility in water.
This product has a wide range of uses. It is often a key raw material in the preparation of dyes. It can help to form a variety of brightly colored dyes, adding color to the printing and dyeing industry. In the field of chemical analysis, it also has unique uses and can provide assistance for accurate analysis.
However, when preparing, caution is required. The reaction conditions must be precisely controlled, and temperature, pH, etc. are all key. The raw materials used must be pure, and the operation process should be carried out according to the specifications, so that high-quality products can be obtained to meet the needs of all parties.

Physical & Chemical Properties

2,2 '-Benzidine disulfonic acid, this substance is related to the investigation of physical and chemical properties. Its appearance may be in a specific form, or in a crystalline state, and its color state is also characteristic. In terms of solubility, it has different manifestations in some solvents, and it may be soluble or insoluble in water or organic agents, which is related to its molecular structure and solvent affinity. In terms of thermal stability, it remains stable under heat or within a specific temperature range, and decomposes and changes when it reaches a certain threshold, or is caused by chemical bond energy. Its chemical activity, under specific conditions, can react with certain reagents, resulting from the characteristics of functional groups. Exploring the physical and chemical properties of this substance lays the foundation for its application in industry, scientific research and other fields, and helps to grasp its characteristics and use it rationally.

Technical Specifications & Labeling

"On the Process Specification and Identification (Product Parameters) of Di, 2 '-Benzidine Disulfonic Acid"
Today there is a chemical substance called 2,2' -Benzidine Disulfonic Acid. To clarify its process specification and identification, in order to facilitate production and application.
Those who specify the process have a certain method from the selection of raw materials to the control of the reaction. The raw materials must be pure, and the reaction temperature, time, and amount of agent should be accurate. If in a reactor, the materials are mixed and the heat is moderate, it can be a good product.
In terms of identification, the product parameters must be detailed. Its color, state, quality, as well as purity and amount of impurities should be clearly marked. In this way, the user can know its nature at a glance, and it is safe to use. It meets the essence of process specifications and labels, so as to promote the smooth use of this product in various industries.

Preparation Method

The preparation of 2,2 '-benzidine disulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. The selection of raw materials is crucial, and specific purity and characteristics are required. In the production process, all links are closely linked. At the beginning of the reaction, the raw materials are mixed according to a specific ratio, and the chemical reaction is initiated at a suitable temperature and pressure. The reaction steps are rigorous and orderly, and the time and conditions of each step are precisely controlled to prevent side reactions. In terms of catalytic mechanism, high-efficiency catalysts are selected to accelerate the reaction process and improve the yield and purity. After various fine operations, high-quality 2,2' -benzidine disulfonic acid products can be obtained, which can be used in the chemical industry.

Chemical Reactions & Modifications

The chemical reaction and modification of 2,2 '-benzidine disulfonic acid are the focus of our generation.
covers the chemical reaction, which is related to the transformation of substances. 2,2' -benzidine disulfonic acid combines with other substances or decomposes itself under various conditions, which are determined by its molecular structure and external factors. Changes in temperature and pH can make the reaction path different.
As for modification, it is to optimize its performance. Chemical modification can be used to change its functional groups to increase its stability, solubility, etc. Make the substance more practical in the fields of industry and scientific research. We chemical researchers should study the mechanism carefully and explore its subtleties, in order to make good use of it and help the development of the world.

Synonyms & Product Names

2,2 '-Benzidine disulfonic acid is also a chemical substance. The name of the same thing and the name of the commodity are also exquisite in the academic world. Looking at this substance, the name of the same thing may have another name, and the name of the commodity also changes with the market. In ancient academic discussions, the similarities and differences of its names are also emphasized. Like ancient scholars, who observed one thing and studied many things, in order to clarify its essence and title. 2,2' -Benzidine disulfonic acid, the name of the same thing may be referred to by the old name, and the name of the commodity may be required by the merchant. Exploring the change of its name can reveal the evolution of chemical names, and also help the academic community to communicate and communicate. In today's research, it is still important to observe the names and trade names of its equivalents, so that the research path can be clear and clear, without confusion.

Safety & Operational Standards

In 2024, 2,2 '-benzidine disulfonic acid is a chemical product, and its safe production and operation standards are of paramount importance. It is said in ancient Chinese today.
Where 2,2' -benzidine disulfonic acid is prepared and used, everyone should be careful. In the place of preparation, the utensils must be clean and intact to prevent impurities from mixing in, damaging its quality, and causing accidents. The ratio of all raw materials should be based on the exact number, and there should be no slight difference, otherwise the reaction will be perverse and the crisis will be plagued.
In the operation room, the ventilation system should not be ignored. 2,2 '-benzidine disulfonic acid or generate harmful gas, keep the wind clean, and keep the air fresh and protect everyone's health. The person who handles it must wear protective gear. Clothes, hats, gloves, and masks are all indispensable to prevent them from touching the skin and entering the mouth and nose.
In addition, when storing, it should be placed in a cool and dry place, away from fire and heat sources. Because of its nature or vitality, it is safe to be unpredictable in case of heat or fire. And it needs to be separated from other things to avoid their interaction and cause harm.
When handling, it should also be handled with care to avoid damage to the package. If it spills accidentally, clean it up according to the regulations quickly and do not slow down.
Everyone in the production and use of 2,2 '-benzidine disulfonic acid is handled with caution and compliance, so that safety can be guaranteed and everything goes smoothly.

Application Area

2,2 '-Benzidine disulfonic acid, this substance has a wide range of uses. In the field of printing and dyeing, it can be used as a dye intermediate. After delicate synthesis, dyes with brilliant color and good fastness are prepared, and the color of fabrics is bright and lasting. In the preparation of pigments, it is also a key raw material, helping to form high-quality pigments for painting, printing and many other aspects. Furthermore, in the field of analytical chemistry, because of its unique chemical properties, it can be used for the detection and analysis of certain substances. By virtue of its reaction with specific substances, accurate and quantitative determination can be achieved. Its application in industry and scientific research is like a starry night, adding bricks and mortar to the development of many fields. It is an indispensable chemical material.

Research & Development

In recent times, chemistry has flourished, and all kinds of substances have been studied in detail. I focus on the study of 2,2 '-Benzidinedisulfonic Acid. This material has unique properties and has a wide range of uses.
I first came to this material, carefully observed its physical and chemical properties, and examined its generation method in detail. After months of study, I have understood the mechanism of its reaction and the law of its change.
Then seek to expand its application. In the field of industry, try to improve the process and increase its efficiency; in the field of academia, explore its new quality, hoping to create something. Despite all the difficulties encountered during this period, I am more determined and unremitting in my pursuit.
Looking at its development now, the future is promising. I should persevere and continue to study, hoping to make great achievements in the research and progress of 2,2 '-Benzidinedisulfonic Acid, and contribute to both academia and industry.

Toxicity Research

Toxicity Study of 2,2 '-Benzidine Disulfonic Acid
In recent times, chemicals have proliferated, and 2,2' -benzidine disulfonic acid is also one of them. This substance is widely used in many fields of industry. However, the study of its toxicity is crucial.
Taste, although 2,2 '-benzidine disulfonic acid is effective, its potential harm should not be underestimated. After many experiments, it may cause damage to the cells and tissues of organisms. If it is inadvertently exposed, or enters the body through the respiratory tract and skin, it may cause adverse reactions in the body.
Furthermore, long-term exposure to this substance environment may increase the risk of disease, such as organ damage and gene mutation. Therefore, during production and use, it is necessary to strictly set up protective measures and abide by operating regulations. Do not ignore the harm of toxicity because of its effectiveness, so that both practitioners and users can understand its risks to ensure safety. This is the responsibility of our generation of chemical researchers.

Future Prospects

I look at this world, chemical refinement, new things come out one after another, 2,2 '-Benzidinedisulfonic Acid This thing, although it is still in the period of research, but its future development can really be looked forward to.
Its application in industry may open up new avenues. Such as the industry of printing and dyeing, or by its nature, create a lasting color material; in the field of medicine, or as the foundation of new drugs, treat all kinds of diseases. Although it has not been achieved at the moment, with time, diligent research will surely emerge.
Our scientific researchers should be unswerving, poor in their principles, and good in their use. In the near future, 2,2 '-Benzidinedisulfonic Acid will be able to shine, contribute to the progress of the world, and achieve a great cause to benefit all people.

Frequently Asked Questions

What are the main uses of 2,2 '-biphenyldisulfonic acid?

2% 2C2% 27-biphenyldicarboxylic acid, that is, 2,2 '-biphthalic acid, is widely used. In the chemical industry, it is an important monomer for the synthesis of polyester, polyamide and other polymer materials. Taking polyester as an example, through specific processes and polymerization with other compounds, the prepared polyester material has good mechanical properties, chemical resistance and thermal stability. It is used in engineering plastics, fiber manufacturing and many other fields, such as common engineering plastic parts, textile fibers, etc. It can be seen.
In the field of materials science, 2,2' -biphenyldicarboxylic acid can be used to prepare metal-organic framework materials (MOFs). With its unique pore structure and large specific surface area, this material exhibits excellent performance in gas adsorption and separation, catalysis and other fields. For example, in gas adsorption, it can efficiently adsorb specific gases to achieve separation of mixed gases; in the field of catalysis, it can provide an active check point for catalytic reactions, improve reaction efficiency and selectivity.
In the field of pharmaceutical chemistry, it also has certain applications. Some studies have shown that compounds containing 2,2 '-biphenyldicarboxylic acid structure may have specific biological activities and can be used as lead compounds for drug development, providing direction and foundation for the creation of new drugs.
In summary, 2,2 '-biphthalic acid plays an important role in many fields such as chemical engineering, materials science, and medicinal chemistry, and has made significant contributions to promoting technological development and innovation in various fields.

What are the physical and chemical properties of 2,2 '-biphenyldisulfonic acid?

2%2C2%27-%E8%81%94%E8%8B%AF%E4%BA%8C%E7%A3%BA%E9%85%B8, its properties are very different, related to chemical properties, and it is worth investigating in detail.
This substance is acidic because of its intra-molecular carboxyl group. The carboxyl group can dissociate hydrogen ions in water, so it is acidic. This acidity makes it possible to participate in many chemical reactions as an acid and neutralize with bases to produce salts and water. For example, if it encounters sodium hydroxide, it can react with it to form the corresponding sodium salt and water. This is a common example of acid-base neutralization.
Its solubility also has characteristics. In water and polar organic solvents, it has a certain solubility. The cover is polar because its molecule contains carboxyl groups, and it can be soluble with water polarity and solvents by hydrogen bonding. However, in non-polar organic solvents, such as benzene and carbon tetrachloride, the solubility is very small, which is caused by the weak interaction between them and non-polar solvents.
When it comes to stability, 2%2C2%27-%E8%81%94%E8%8B%AF%E4%BA%8C%E7%A3%BA%E9%85%B8 is stable under general conditions. In case of strong oxidants, its molecular structure may be damaged. Strong oxidants can grab electrons and cause changes in groups such as carboxyl groups. And at high temperatures, it may also trigger decomposition reactions, molecular structure cracking, and other small molecule compounds are formed.
And its reactivity is quite high. The presence of carboxyl groups allows it to participate in esterification reactions. With alcohols catalyzed by acids, it can form esters and water. This reaction is commonly used in organic synthesis and can produce a variety of ester compounds. It is of great significance in the fields of fragrance and drug synthesis. At the same time, its benzene ring also has a certain reactivity, which can undergo substitution reactions, introduce other functional groups, expand its derivatives, and enrich organic synthesis paths.

What are the precautions for the production of 2,2 '-biphenyldisulfonic acid?

2% 2C2% 27-binaphthol is also a key material for synthesis. Its preparation is related to multiple ends, and the industry should pay attention to all things.
The first heavy raw material. The quality of the raw material depends on the purity of the product. Select the best material, test its purity, ensure the smooth reaction and high yield. Inferior materials lead to impurities, reduce quality, bad reaction process, and make post-processing difficult.
The second time is the reaction condition. The temperature should be carefully controlled. If it is too high, the side reaction will start, and if it is too low, the rate will be slow. The pressure should also be appropriate, and it should be coordinated with the temperature to maintain the reaction activity. The amount of catalyst is accurate. If it is more expensive, it will affect the product, and if it is less, it will promote the reaction.
Furthermore, When the ingredients are mixed, the gauge is accurate and the order is correct. Stir well to make the objects fully contact and the reaction is uniform. During the reaction, the dense phenomenon is observed, and the parameters are adjusted in a timely manner. When separating and purifying, choose the appropriate method to remove the impurities and keep the pure, and obtain the refined product.
The good and bad of the equipment is also important. Clean and suitable equipment, free from pollution and failure. Regular inspection to ensure its good performance, stable operation, and avoid substandard products caused by the equipment.
Environmental factors should not be ignored. Humidity, air, etc. or disturbing reactions, control the environment, reduce external influences, and achieve excellent production.
In summary, in the production of 2% 2C2% 27-binaphthol, the raw materials, conditions, operation, equipment, and environment must be strictly controlled to ensure smooth production and high product quality.

What is the market price range for 2,2 '-biphenyldisulfonic acid?

In today's world, the price of 2,2 '-binaphthol in the market often varies depending on the quality, quantity, and change in supply and demand. For ordinary people, the price is about tens to hundreds of dollars per gram. If the quality is high and pure, and it is a rare product, the price may be higher, and it is unknown that it can reach thousands of dollars per gram.
If you want to know the exact price, you still need to study the market conditions in detail. The supply and demand of the market are the main reasons for the price. If there are many people who want and there are few people who supply, the price will rise; on the contrary, if the supply exceeds the demand, the price will drop. And the origin is different, which also affects the price. The quality of the products in various places varies, and the cost varies, and the price also changes accordingly.
Furthermore, the coarseness of the process is also effective at the price. Refined 2,2 '-binaphthol has high purity and few impurities, complicated process, high cost, and high price; coarseness is the opposite.
Therefore, if you want to ask the price of 2,2' -binaphthol in the city, it is difficult to determine the exact number, which is probably from tens of dollars to thousands of dollars per gram. Only by carefully examining the supply and demand of the city, the quality, the coarseness of the process and the difference in origin can you get its near-real price.

What are the storage conditions for 2,2 '-biphenyldisulfonic acid?

2% 2C2% 27-binaphthalene disulfonic acid is an organic compound. Its storage conditions are quite important, related to the quality and utility of this substance.
According to ancient law, 2% 2C2% 27-binaphthalene disulfonic acid should be stored in a cool, dry and well-ventilated place. Avoid open flames and hot topics, because this substance is exposed to fire or hot topic, fear dangerous changes.
Furthermore, it must be placed separately from oxidants, bases and other substances, and must not be mixed. If these two are mixed with 2% 2C2% 27-binaphthalene disulfonic acid, or chemically react, the substance will deteriorate and lose its inherent properties.
The storage place should be equipped with anti-leakage facilities. If this object accidentally leaks, it can be prevented from being scattered, causing environmental damage, and preventing it from contacting people and harming people.
And the reservoir must be well sealed to prevent moisture, air, etc. from entering. Moisture or deliquescence, air or oxidation, are not conducive to its storage.
Also, the storage place should be managed by a special person, keep a detailed record of the number of discrepancies, and check it regularly. If you see any changes in the properties of this object, such as abnormal color and smell, check the cause quickly and dispose of it properly. In this way, Fang Bao 2% 2C2% 27-binaphthalene disulfonic acid is always preserved in its quality during storage for later use.