4,4'-Diamino Diphenylamine-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	710298
Chemical Formula	C12H13N3O3S
Molar Mass	279.31 g/mol
Appearance	Light - colored crystals or powder
Solubility In Water	Moderately soluble
Ph In Aqueous Solution	Acidic
Melting Point	Decomposes
Odor	Odorless
Stability	Stable under normal conditions

Packing & Storage

Packing	25 - kg bags packaging for 4,4'-Diamino Diphenylamine - 2 - Sulfonic Acid.
Storage	4,4'-Diamino Diphenylamine - 2 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and incompatible substances. Store in a tightly - sealed container to prevent moisture absorption and exposure to air, which could lead to degradation or chemical reactions.
Shipping	4,4'-Diamino Diphenylamine - 2 - Sulfonic Acid is shipped in sealed, corrosion - resistant containers. It follows strict hazardous chemical shipping regulations to ensure safety during transit, minimizing risk of exposure.

Free Quote

For samples, pricing, or more information, please call us at +8615651039172 or mail to info@bouling-chem.com.

We will respond to you as soon as possible.

Tel: +8615651039172

Email: info@bouling-chem.com

4,4'-Diamino Diphenylamine-2-Sulfonic Acid

General Information

Historical Development

4,4 '-Diaminodiphenylamine-2-sulfonic acid, the development of this substance has a long history. At the beginning, chemical scholars were on the road of exploration and worked tirelessly. In the past, everyone devoted themselves to the exploration of various compounds, hoping to gain something.
Under the scientific research situation at that time, many scholars focused on the field of organic synthesis. After countless attempts and failures, Fang began to pay attention to this unique compound. Although early research was difficult, everyone persevered.
With the passage of time, the technology has progressed, and the understanding of it has also deepened. From the initial ignorance, to the understanding of its structural characteristics, to the exploration of good preparation methods, step by step, step by step. Every breakthrough gathers countless wisdom and sweat, eventually resulting in today's development situation, adding a bright pearl to the field of chemistry.

Product Overview

4,4 '-Diaminodiphenylamine-2-sulfonic acid, which is a particularly important chemical product. Its properties are unique, in a specific state, or in powder form, white or yellowish in color, with certain solubility, soluble in specific solvents.
The preparation method is carefully prepared through delicate chemical reactions, taking suitable raw materials, and according to specific steps and conditions. In the industrial field, it has a wide range of uses and is often a key intermediate in dye synthesis. It can endow dyes with unique color and properties. It is also used in the research and development and preparation of certain drugs, contributing to the progress of the pharmaceutical field.
The quality of this product depends on many factors. The purity of the raw materials and the conditions of the reaction all affect its quality. Developers need to strive for excellence, continuously optimize the process, and improve the quality of the product to meet the needs of all parties.

Physical & Chemical Properties

4,4 '-diaminodiphenylamine-2-sulfonic acid is an important substance for chemical research. Its physical properties are light yellow in color and often in the shape of powder. It is slightly soluble in water, but easily soluble in alkali. Looking at its chemical properties, it is weakly acidic and can form salts with bases. The amine and sulfonic acid groups of this substance are active and can participate in a variety of chemical reactions. In the field of dye synthesis, it has an extraordinary effect. With its characteristics, it can make brilliant and strong dyes. In organic synthesis, it is often used as a key intermediate to help create many complex compounds. Its unique physical and chemical properties endow it with a unique position in the chemical industry, and it is an object for researchers to continuously explore and utilize.

Technical Specifications & Labeling

Nowadays, 4,4 '-diaminodiphenylamine-2-sulfonic acid is very important in the investigation of process specifications and identification (product parameters). Its process specifications are related to the preparation method, from the selection of raw materials to the control of reaction conditions, all need to be accurate. The raw materials must be well-prepared, and the reaction temperature, duration, pressure and other parameters should also be strictly controlled in sequence to obtain high-quality products.
And the identification (product parameters) is the characterization of product quality. Such as purity geometry, impurity content, physical and chemical properties, all need to be clearly marked. The process specification and identification (product parameters) complement each other. If the process is good, the product parameters are good. If the parameters are clear, it can also help to optimize the process. For our chemical researchers, studying the process specification and identification (product parameters) of this product is the most important task to promote its development and progress.

Preparation Method

To prepare 4,4 '-diaminodiphenylamine-2' -sulfonic acid products, the method is as follows:
In terms of raw materials and production process, high-quality aniline, p-nitrochlorobenzene, etc. should be selected as raw materials. First, aniline and p-nitrochlorobenzene should be reacted in a specific alkaline medium with a copper salt as a catalyst at appropriate temperature and pressure to generate 4-nitro-4 '-aminodiphenylamine. This step requires precise temperature control, and no side reactions should be caused by overtemperature.
In the reaction step, the obtained 4-nitro-4' -aminodiphenylamine should be slowly reduced in an acidic environment with iron powder or sulfide base as a reducing agent to obtain 4,4 '-diaminodiphenylamine. In the meantime, stir well to make the reaction sufficient.
In the activation mechanism, 4,4 '-diaminodiphenylamine is combined with fuming sulfuric acid or chlorosulfonic acid to sulfonate under suitable conditions to obtain the target product 4,4' -diaminodiphenylamine-2-sulfonic acid. During operation, pay attention to the order and rate of feeding to ensure a smooth reaction and a pure product.

Chemical Reactions & Modifications

Nowadays, there are chemical substances, called 4,4 '-diaminodiphenylamine-2-sulfonic acid. In the field of chemistry, its reaction and modification are crucial.
The reaction of this compound is related to many chemical processes. Or involving the method of combination, by skillfully preparing the reactants, controlling the temperature and pressure, the molecules are rearranged and combined to form the desired state. However, there are also difficulties in the meantime, the reaction rate is slow, the yield may not reach the desired, and the generation of impurities also interferes with its purity.
As for the modification method, it is designed to increase its characteristics. Or introduce new groups to change its molecular structure to make it more stable and soluble. In this way, it can be expanded and used in the dye, pharmaceutical, and other industries to give full play to its strengths, improve quality and performance, and meet the needs of all parties.

Synonyms & Product Names

The synonymous name of 4,4 '-diaminodiphenylamine-2-sulfonic acid and the name of the commodity are quite important. In the field of chemical industry, this substance is often known by several names. Among its synonyms, there may be those who are finely named according to their chemical structure, and some are named because of traditional habits.
In the trade name, various manufacturers have their own names, either for prominent characteristics or for the need of marketing activities. However, at its root, they all refer to the substance of 4,4' -diaminodiphenylamine-2-sulfonic acid. Chemical researchers and practitioners, when exploring this object, consulting classics, and trading, must clarify many synonymous names and commodity names in order to communicate and act accurately, and avoid confusion due to complicated appellations.

Safety & Operational Standards

4,4 '-Diaminodiphenylamine-2-sulfonic acid, this chemical substance is crucial to safety and operating standards, and should not be ignored.
During the preparation process, all raw materials must be accurately measured and handled in a clean and well-ventilated place. Participants must wear complete protective gear, such as protective clothing, gloves, goggles, etc., to prevent the raw materials from touching the skin and eyes.
During the reaction, factors such as temperature, pressure, and reaction time should be strictly controlled. Do not cause the temperature to rise or fall sharply, which will cause the reaction to go out of control. The pressure also needs to be maintained stable. If the safety threshold is exceeded, it may cause the device to burst.
The storage of the product should also be cautious. It should be placed in a cool, dry and ventilated place, away from fire sources, heat sources and strong oxidants. The storage place should be clearly marked, indicating the characteristics, hazards and emergency measures of the object.
When taking it, be sure to follow specific procedures. Ensure the safety of the surrounding environment first, and then use suitable utensils. After use, seal the container in time to prevent the product from getting damp, oxidizing or volatilizing.
If a leak occurs accidentally, the surrounding personnel should be evacuated immediately, and fire should be strictly prohibited from approaching. Small leaks can be collected by adsorption of inert materials such as sand and vermiculite; large leaks need to be built into embankments or dug for containment, and then properly disposed of.
When handling this chemical substance, it is essential to always keep in mind safety and operating standards, so as to ensure that everything goes smoothly and is worry-free.

Application Area

The application of 4,4 '-diaminodiphenylamine-2' sulfonic acid has been around for a long time. In the field of dyeing and weaving, it can be used as a mordant to help the color stick to the fabric, and the color is bright and lasting. In the preparation of pigments, adding it can increase the fastness and color saturation of pigments, and the painted and dyed objects can be colored over time.
In the process of scientific research, it is also a key reagent for chemical analysis and synthesis. Its unique structure and different reactivity can open up new paths for compound synthesis. Looking at past applications, although times have changed, this compound is indispensable in many fields, assisting the development of various industries and paving the way for future exploration.

Research & Development

In recent years, I have made great efforts in the research of 4,4 '-diaminodiphenylamine-2' -sulfonic acid. This compound has a wide range of uses and has its own impact in the fields of dyes and medicine.
At the beginning, when exploring the synthesis method of its synthesis, it encountered many obstacles. The choice of raw materials, the degree of ratio, and the temperature of the reaction all need to be carefully considered. After repeated tests, the method of optimization was obtained, and the yield was also improved.
Then, study its properties. Its structure is unique and its chemical activity is also characteristic. Understanding this property is of great significance in expanding its application.
As for development, there are broad prospects. With the advance of science and technology, the pursuit of its purity and performance is getting higher and higher. I should make unremitting efforts to tap its potential, hoping to contribute to the rise of related industries, promote it to move forward, and bloom in more fields.

Toxicity Research

Recent research on the toxicant 4,4 '-Diamino Diphenylamine-2-Sulfonic Acid is very important in terms of its toxicity. Detailed investigation of this substance, its properties in various reactions, need to be carefully investigated. Ancient researchers, every time they encounter difficulties, they must think hard and repeatedly investigate. Today's generation should do the same, based on ancient methods, to explore the mystery of its toxicity. Looking at its structure, or interacting with other things, produces very different results. Its poison in the body of living things, or causing changes in functions, cannot be ignored. Therefore, by studying day and night, trying all kinds of paths, hoping to understand the signs of its toxicity, for future generations, to prevent life from being harmed by it, and to add new knowledge to the academic community, live up to the research.

Future Prospects

Guanfu 4,4 '-diaminodiphenylamine-2' sulfonic acid is a key material in the chemical industry in this world. Although it has a certain research basis now, there is still a broad scope for expansion in the future.
Looking forward to the future, in the field of dye preparation, it is expected to produce dyes with more brilliant color and better fastness through refined technology, so that the dyed and woven materials will glow with different brilliance. In the field of pharmaceutical synthesis, it may be able to develop new special drugs based on it, providing new ways for the treatment of various diseases.
Furthermore, with the rapid advancement of science and technology, the exploration of its performance will be more in-depth, or unprecedented application scenarios will be discovered. With time, it will surely bring more abundant well-being to human life and production. It can be said that the future development is full of infinite possibilities.

Frequently Asked Questions

What are the main uses of 4,4 '-diaminodiphenylamine-2-sulfonic acid?

4,4 '-Dihydroxybenzophenone-2-sulfonic acid, this substance has a wide range of uses. In the printing and dyeing industry, it can be used as an ultraviolet absorber. Fabrics treated with it can effectively resist ultraviolet rays, slow down fading and aging, maintain a bright color for a long time, and prolong the life of fabrics. In the field of cosmetics, it is an important sunscreen ingredient. It can absorb ultraviolet rays, protect the skin from damage, prevent sunburn, tanning and photoaging problems, and add a reliable layer of protection to the skin. In the plastics and coatings industries, it also plays a key role. Adding it can enhance the resistance of plastic products and coatings to ultraviolet rays, prevent performance deterioration and appearance damage caused by light, and improve product stability and durability. Such as outdoor plastic products, automotive coatings, etc., all rely on it to improve quality and service life. In short, 4,4 '-dihydroxybenzophenone-2 -sulfonic acid is indispensable in many industries and is of great significance for improving product performance and quality.

What are the physical properties of 4,4 '-diaminodiphenylamine-2-sulfonic acid?

4,4 '-Dihydroxybenzophenone-2' -sulfonic acid is a kind of organic compound. Its physical properties are as follows:
Looking at its shape, under normal circumstances, it is mostly white to light yellow crystalline powder. This appearance is easy to identify. In many chemical experiments and industrial production scenarios, it can be preliminarily identified by virtue of this feature.
When it comes to solubility, it has a certain solubility in water. This property is very important. Edge water is a common solvent. In chemical reactions, material separation and purification, the solubility is directly related to whether it can effectively participate in the reaction or achieve separation from other substances. In organic solvents, such as ethanol, acetone, etc., there is also a certain degree of solubility, but the degree of solubility varies depending on the type of solvent. Such solubility makes it possible to choose suitable solvents according to the needs when constructing different chemical systems to achieve the desired chemical reaction or mixing effect of substances.
Melting point is a specific temperature range. Accurately determined melting point is like a unique "ID card" of a substance, which can be used for purity identification. If the purity of the substance is high, the melting point range is narrow and approaches the theoretical value; if it contains impurities, the melting point is often reduced and the melting range is widened. This property is of great significance in quality control and purity testing.
Stability is also an important physical property. Under normal environmental conditions, it has a certain chemical stability. In case of extreme chemical environments such as strong acids and alkalis, or special physical conditions such as high temperature and strong light, its chemical structure may change. Knowing this stability feature, during storage and use, appropriate protective measures can be taken to avoid deterioration of the substance due to external factors and affect its effectiveness.

What are the chemical properties of 4,4 '-diaminodiphenylamine-2-sulfonic acid?

4,4 '-Dihydroxybenzophenone-2' sulfonic acid is also an organic compound. Its chemical properties are unique and have the following numbers:
First, acidic characteristics. This compound contains a sulfonic acid group, which is a strongly acidic group and can ionize hydrogen ions in water, so it is acidic. With this acidic nature, it can neutralize with alkali substances to generate corresponding salts and water. For example, by reacting with sodium hydroxide, its sodium salt and water can be obtained. This reaction is commonly used when adjusting the pH of solutions and preparing specific salt compounds.
Second, hydrophilicity. Due to the presence of sulfonic acid groups, the substance exhibits a certain hydrophilicity. The sulfonic acid group is a polar group, which easily forms hydrogen bonds with water molecules. This property makes it have a certain solubility in water and good miscibility with many organic solvents. With its hydrophilicity, it can be used in water-based coatings, inks and other fields to promote the uniform dispersion of active ingredients in the water system.
Third, photostability. The partial structure of 4,4 '-dihydroxybenzophenone gives it light stability. This structure can absorb ultraviolet rays, and through intramolecular energy conversion, the ultraviolet energy is released in a harmless form such as heat energy, thereby protecting the material bound to it from ultraviolet radiation damage. It is often added as a light stabilizer to plastics, rubber, coatings and other materials to improve the light aging resistance of the material and prolong its service life.
Fourth, reactivity. The hydroxyl and sulfonic acid groups in the molecule are both active groups and can participate in various chemical reactions. Hydroxyl groups can undergo esterification, etherification and other reactions; sulfonic acid groups can undergo substitution reactions. Through these reactions, the compound can be structurally modified and derivatized to prepare new compounds with specific functions to meet the needs of different fields.

What is the production method of 4,4 '-diaminodiphenylamine-2-sulfonic acid?

The preparation method of 4,4 '-dihydroxybenzophenone-2-sulfonic acid is related to the preparation method of this compound. There are many methods, and the common ones are as follows.
First, benzophenone is used as the starting material, and benzophenone is sulfonated with sulfuric acid under specific conditions. In this process, it is necessary to precisely control the temperature, time and concentration of sulfuric acid of the reaction. The concentration of sulfuric acid should not be too high or too low. If it is too high, it is easy to cause excessive sulfonation, and if it is too low, the reaction is difficult to carry out fully. The reaction temperature is also very critical, usually maintained at a certain range, so that the reaction can proceed smoothly, and then the target product 4,4 '-dihydroxybenzophenone-2-sulfonic acid can be formed.
Second, other related compounds can also be used as starting materials and obtained through a series of organic synthesis steps. For example, benzene derivatives with specific substituents are selected. Through multi-step reactions, the basic structure of benzophenone is first constructed, and then hydroxyl and sulfonic acid groups are introduced. Although this path is more complicated, the purity and yield of the product can be improved by precisely designing the reaction steps.
Third, there is an improved method to add specific catalysts or additives to the reaction system. These substances can effectively promote the progress of the reaction, reduce the energy required for the reaction, improve the reaction rate, and have a positive impact on the selectivity of the product. By screening suitable catalysts and additives and optimizing their dosage, the preparation process can be more efficient and economical.
The method of preparing 4,4 '-dihydroxybenzophenone-2-sulfonic acid needs to weigh the advantages and disadvantages of each method according to actual needs and conditions, so as to select the most suitable preparation path, so as to achieve efficient, economical and high-quality production.

What are the precautions for the use of 4,4 '-diaminodiphenylamine-2-sulfonic acid?

4,4 '-Dihydroxybenzophenone-2-sulfonic acid is also an organic compound. When using it, all precautions should not be ignored.
First, safety protection is the key. This substance may be irritating to the human body. When exposed, guard against protective gear. If you use appropriate protective gloves to protect your hands from skin contact and discomfort, you should also wear protective glasses to prevent it from entering your eyes and damaging your eyes. And it needs to be used in a well-ventilated place. If it is in a closed place, it will evaporate or cause respiratory discomfort.
Second, storage is also exquisite. It should be stored in a cool, dry and ventilated place, away from fire and heat sources. Due to its chemical properties or due to changes in ambient temperature and humidity, if it is improperly stored or deteriorated, its efficacy will be reduced.
Third, when using, the dose control must be accurate. Add according to the specific required reaction or use, according to the appropriate proportion. If the dose is too small, or the expected effect is not achieved; if the dose is too large, it will not only be wasted, or cause other adverse side reactions.
Fourth, the operation process must be rigorous. In the operation of blending, mixing, etc., follow the established procedures. Such as stirring speed, reaction time and other factors are related to the quality and performance of the final product, slightly poor, or cause experimental failure or product quality is not up to standard.
Fifth, waste disposal should not be arbitrary. After use, the remaining substances and related waste should be properly disposed of in accordance with environmental regulations and must not be dumped at will to avoid polluting the environment.