4,4-Diaminodiphenylamine-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	710639
Chemical Formula	C12H13N3O3S
Molar Mass	279.315 g/mol
Appearance	Off - white to light brown powder
Solubility In Water	Slightly soluble
Ph Aqueous Solution	Acidic
Melting Point	278 - 280 °C
Boiling Point	Decomposes before boiling
Stability	Stable under normal conditions
Sensitivity To Light	May be light - sensitive
Odor	Odorless

Packing & Storage

Packing	25 - kg bag packaging for 4,4 - Diaminodiphenylamine - 2 - Sulfonic Acid.
Storage	4,4 - Diaminodiphenylamine - 2 - Sulfonic Acid should be stored in a cool, dry, and well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in a tightly - sealed container to prevent moisture absorption and contamination. Avoid storing near incompatible substances to ensure chemical stability and safety.
Shipping	4,4 - Diaminodiphenylamine - 2 - Sulfonic Acid is shipped in well - sealed containers, safeguarded against moisture and physical damage. Special care is taken due to its chemical nature, following strict regulations for safe transportation.

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4,4-Diaminodiphenylamine-2-Sulfonic Acid

General Information

Historical Development

I have heard of the chemical industry, and there are many categories. There is a product named 4,4-diaminodiphenylamine-2-sulfonic acid. The prosperity of its industry can also be traced.
In the past, the chemical technology was not refined, and this product was little known. After being studied by various sages, the process gradually became. At the beginning, the preparation was difficult, and the production was very few. However, the heart of scholars was perseverance and unremitting exploration. As the years passed, the technology became more and more mature, the raw materials became easier to obtain, and the steps became simpler. Then the output increased, and the application was also wide. In printing and dyeing, medicine and other industries, all have their contributions. Looking at the way of its development, it is actually the crystallization of everyone's wisdom and sweat. It started from the end, and it has become prosperous to this day, and it has also witnessed the progress

Product Overview

4,4-Diaminodiphenylamine-2-sulfonic acid, the genus of chemical products. Its color state, often in the form of powder, or in the form of crystals, color or white or slightly other colors. This product is widely used in dyes, pigments and other industries, and is an indispensable raw material for the preparation of many colorful dyes.
The preparation method of its preparation is often subject to several chemical changes. It can only be obtained by precisely adjusting the temperature, pressure and ratio of the reactants of the reaction. When preparing, care must be taken to ensure the purity and quality of the product.
And its properties are stable, and it can be stored for a long time under room temperature and pressure. In the field of industrial production and scientific research, 4,4-diaminodiphenylamine-2-sulfonic acid has attracted the attention of chemical researchers for its important uses.

Physical & Chemical Properties

For 4,4-diaminodiphenylamine-2-sulfonic acid, its physical and chemical properties are of paramount importance. Looking at its shape, it is a crystalline body under normal conditions, and its color is white or nearly white, with a specific crystalline morphology, which is related to its microstructure arrangement. Its solubility varies in water and various organic solvents, and it may have a certain solubility in polar solvents, which is caused by the interaction between its molecular polarity and the solvent.
When it comes to stability, it is relatively stable at room temperature and pressure without the influence of special chemical environment. In case of high temperature, strong acid and alkali, its molecular structure may change. The melting point of this compound, after accurate determination, is a certain value, which is an important index for identifying its purity. Its chemical activity, because it contains amino groups, sulfonic acid groups and other functional groups, can participate in many chemical reactions, such as with electrophilic reagents and nucleophiles. It is an important raw material for organic synthesis and is related to the preparation of many fine chemicals. It is of great significance to the development of the chemical industry.

Technical Specifications & Labeling

4,4-diaminodiphenylamine-2-sulfonic acid is an important material in the chemical industry. Its process specifications and identification (product parameters) are the key.
The process specification needs to clarify the method of preparation. From the selection of raw materials, such as the selection of initial materials with high purity, to the control of the reaction, the temperature, duration and pressure are all fixed. The sequence of the reaction and the order of each step must not be wrong.
In terms of identification (product parameters), the characteristics, color and state should be specified in detail. The standard of purity must reach the exact value, and the amount of impurities is strictly limited. The two, process specifications and identification (product parameters), complement each other to ensure the high quality of 4,4-diaminodiphenylamine-2-sulfonic acid, and are suitable for application in various fields of chemical industry.

Preparation Method

The preparation method of 4,4-diaminodiphenylamine-2-sulfonic acid, the raw materials of which are very important for production. Take the amount of aniline sulfonic acid, specify the reaction, and gradually reduce it under the appropriate degree and force. The reverse step is to first mix the aniline sulfonic acid with a certain amount, and mix it evenly to promote the full reaction. The catalytic preparation, efficient catalysis, accelerates the reaction process and improves the reaction rate. The whole process, the proportion of raw materials, and the control of the reverse process can be high-quality 4,4-diaminodiphenylamine-2-sulfonic acid to meet the needs of the work.

Chemical Reactions & Modifications

The chemical and reverse modification of 4,4-diaminodiphenylamine-2-sulfonic acid has been around for a long time. In the past, chemists investigated this product in the hope of understanding its inverse effect, so as to achieve the purpose of modification. Its chemical and reverse effects, or involving chemical compounds, or decomposition, all need to be carefully observed.
To obtain a good modification effect, it is necessary to study the inverse parts, such as the degree of resistance, the catalysis. High degree of resistance, or cause inverse disorder; low degree of resistance, inverse resistance. Catalysis can promote inverse behavior, but if it does not, there will be adverse effects.
Multiple inverse laws, the way of modification is also clear. We hope to make this 4,4-diaminodiphenylamine-2-sulfonic acid have better physical properties and more uses, which will play a greater role in the field of chemistry.

Synonyms & Product Names

4,4-diaminodiphenylamine-2-sulfonic acid, its synonymous name and the name of the product, are the key to our chemical research. The names of chemical substances often vary depending on the region, use, and research context.
In academic research, 4,4-diaminodiphenylamine-2-sulfonic acid is also called another name. This synonymous name is derived from the relationship between chemical structure and properties. Or analyzed from molecular composition, or named according to reaction characteristics, are all known as other names in academic circles.
As for the name of the product, merchants will also give it a unique title in order to make the product easy to identify and promote. This product name is not only related to product identification, but also involves market positioning and marketing. Or emphasize its purity, or highlight its application advantages, so as to be different from the same kind and attract customers.
Therefore, when we explore the properties and uses of this substance, we need to understand its synonymous name and the name of the product in order to be accurate and smooth in the path of chemical research without mistakes.

Safety & Operational Standards

Safety and Operating Specifications for 4,4-diaminodiphenylamine-2-sulfonic Acid
For 4,4-diaminodiphenylamine-2-sulfonic acid, it is also a material used in the chemical industry. To ensure the safety of its production and use, strict operating standards must be in place.
During storage, this substance should be placed in a cool, dry and well-ventilated place. Keep away from fires and heat sources to prevent accidents. Packaging should also be tightly sealed to avoid contact with air and moisture, which may cause deterioration or cause danger.
When operating, operators must wear appropriate protective equipment. Protective clothing can resist its damage to the body, protective gloves can protect the skin of the hands, and protective glasses can protect the eyes from damage. In the operating room, ventilation equipment needs to be running at all times to disperse harmful gases that may escape.
Furthermore, when using this substance, the action should be steady and accurate, and act according to the precise quantity and specification. Do not pour it too much, causing it to waste or pollute the environment. If there is a spill in the operation, clean it up immediately, dispose of it according to the specific waste treatment method, and do not discard it at will.
When transporting, you must also be cautious. Choose appropriate packaging materials to ensure that there is no leakage during transportation. Transportation vehicles should also meet relevant safety standards, and drivers must be familiar with emergency handling methods.
In short, the safety and operation standards of 4,4-diaminodiphenylamine-2-sulfonic acid are related to personal safety, environmental stability and smooth production. They should not be taken lightly. They must be in awe and strictly abide by various procedures in order to remain safe.

Application Area

4,4-Diaminodiphenylamine-2-sulfonic acid, this substance has a wide range of application fields. In the dyeing and weaving industry, it can be used as a dye intermediate to help dyeers prepare brilliant colors, making fabrics colorful, or bright and moving, or plain and gentle. In the field of pigment preparation, it can add its characteristics to pigments, making pigments lasting, not afraid of light and rain, and the color lasts for a long time. And in some specific chemical analysis scenarios, with its unique chemical properties, it can be used as an analytical reagent to assist Fangjia in accurately determining the composition and gaining insight into the subtle composition of substances. It is an indispensable material in the chemical field and has made great contributions to many industries.

Research & Development

Since modern times, the art of chemistry has advanced day by day, and many new substances have been created. In this case, the research and development of 4,4-diaminodiphenylamine-2-sulfonic acid is quite critical.
Our research aims to clarify its properties and explore its preparation method. After months of research, its structure analysis has made quite a lot of gains. We know that its molecular combination is exquisite and related to many chemical properties.
The research on the preparation method has also gone through twists and turns. Try various paths, or adjust the temperature, or change the reagent, and hope to get the best method. It has been effective at the beginning, but it still needs to be refined.
Looking forward to the future, this product will have broad applications in industry, medicine and other fields. We should be diligent and diligent in exploring its mysteries, promoting its development, and benefiting the world.

Toxicity Research

Fu 4,4 - Diaminodiphenylamine - 2 - Sulfonic Acid, in the field of my chemical research, its toxicity research is crucial. Detailed investigation of this substance, its structure is unique, but its potential toxicity cannot be underestimated.
After many experiments, it has been found that it may be harmful to organisms or under specific conditions. Although no examples of large-scale harm have been seen, at the microscopic level, some effects on cell structure and function have been observed.
Looking at its mechanism of action, it seems to interfere with the metabolic pathway of cells and affect the activities of key enzymes. And in the environment, it also has a certain stability, difficult to degrade naturally, or cause cumulative effects. Therefore, our chemical researchers should be cautious and delve into the full picture of its toxicity, in order to prevent potential hazards and protect the well-being of the ecology and people.

Future Prospects

4,4 - Diaminodiphenylamine - 2 - Sulfonic Acid is also a product of transformation. In today's world, its use has not yet been developed, and it can be hoped for. First, in the field of materials science, it may be able to assist in the research of new materials, increase their performance, and meet new needs. Second, in the field of chemical synthesis, it may be able to introduce new methods and push the next step in synthesis. Third, to ensure things, it may be able to improve its characteristics, improve the management of pollutants, and support the environment.
In the future, 4,4 - Diaminodiphenylamine - 2 - Sulfonic Acid is like the first ascent of the morning sun, full of hope, waiting for me to change the researchers, diligent exploration, to reveal its bright new chapter.

Frequently Asked Questions

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

4,4-Dihydroxybenzophenone-2-sulfonic acid, this is an important organic compound with a wide range of main uses.
In the field of light stabilizers, its role is significant. Because of its special chemical structure, it can effectively absorb ultraviolet rays, so it is often added to plastics, coatings, rubber and other materials. Take plastic products as an example, such as car interior plastic parts, after adding this substance, it can greatly reduce the aging, fading and brittleness caused by ultraviolet radiation, prolong the service life of plastic products, and maintain their appearance and performance.
In the cosmetics industry, it is also indispensable. Many sunscreen cosmetics will incorporate it into the formula. It can form a protective film on the surface of the skin, absorb ultraviolet rays, prevent ultraviolet rays from causing damage to the skin such as sunburn, tanning, photoaging, etc., and provide reliable sun protection for the skin.
In the ink industry, it also plays a key role. After adding 4,4-dihydroxybenzophenone-2-sulfonic acid, the light resistance of the ink is greatly improved. In this way, the color of the printed matter remains bright under long-term light, and it is not easy to fade. It ensures the quality and aesthetics of the printed matter. Like out-of-home advertising printing, book printing, etc., all benefit from this.
In addition, it is also used in some photosensitive materials. It can improve the sensitivity of photosensitive materials to specific wavelengths of light, optimize the imaging effect, and help obtain clearer and more accurate images.
In summary, 4,4-dihydroxybenzophenone-2-sulfonic acid has shown important value in many fields due to its unique properties, which 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 also an organic compound. Its physical properties are worth exploring, as follows:
- ** Appearance properties **: This substance is often in the state of white to light yellow powder, with a fine texture and a unique appearance. Its color and morphology are intuitively recognizable properties, which are crucial for the initial understanding of the substance.
- ** Solubility **: In water, 4,4-dihydroxybenzophenone-2-sulfonic acid exhibits good solubility. Water can effectively disperse it to form a uniform system. In terms of organic solvents, common organic solvents such as ethanol and acetone also have a certain solubility. However, its solubility varies in different organic solvents, with a better degree of solubility in ethanol, but slightly less solubility in some non-polar organic solvents. This solubility characteristic has far-reaching effects in practical applications, such as preparation of solutions and chemical reactions.
- ** Melting point **: The compound has a specific melting point, which is one of its important physical constants. Accurate determination of its melting point can provide a key basis for identifying the substance. The value of its melting point is relatively stable. When external conditions (such as pressure, etc.) change small, the melting point fluctuates very little.
- ** Stability **: Under normal conditions at room temperature and pressure, 4,4-dihydroxybenzophenone-2-sulfonic acid has certain chemical stability. However, it is more sensitive to external factors such as light and heat. When the illumination time is too long or the heating temperature is too high, it may cause structural changes, resulting in changes in its physical and chemical properties. For example, under long-term strong light irradiation, molecular structure rearrangement may occur, which may affect its application performance in specific fields.
These physical properties play a decisive role in the application of 4,4-dihydroxybenzophenone-2-sulfonic acid in many fields such as chemical industry, materials, and medicine. By understanding its physical properties, we can better control the way and conditions of its use and maximize its effectiveness.

Is the chemical property of 4,4-diaminodiphenylamine-2-sulfonic acid stable?

The chemical properties of 4,4-dihydroxybenzophenone-2-sulfonic acid are quite stable. In this compound, the structure of dihydroxybenzophenone provides a certain conjugate system, which makes the molecule have good electron delocalization ability, thereby enhancing its stability. Although the introduction of sulfonic acid groups endows it with certain hydrophilicity, it does not significantly damage the overall structural stability due to the formation of specific electronic effects with the benzophenone skeleton.
From the perspective of bond energy, the chemical bonds in the molecule are relatively high, and the bonds such as carbon-carbon bonds and carbon-oxygen bonds are sufficient to resist chemical reactions under general conditions. Under common environmental factors such as temperature, humidity and light, the compound is not prone to bond breakage and rearrangement.
In terms of thermal stability, its molecular structure remains intact within a moderate temperature range, and there is no sign of decomposition. In the case of general chemical reagents, it is difficult to chemically react with them without specific reaction conditions. This all indicates that 4,4-dihydroxybenzophenone-2-sulfonic acid has relatively stable chemical properties.

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

The preparation method of 4,4-dihydroxybenzophenone-2-sulfonic acid has been followed in ancient times. To prepare this substance, prepare an appropriate amount of raw materials. The main raw materials, when containing related benzophenone compounds, need to have structural check points that can introduce hydroxyl groups and sulfonic acid groups.
Add the selected benzophenone substrate to an appropriate reaction vessel. Control the reaction temperature and pressure in an exquisite way. Often a specific catalyst is used to assist the reaction, and this catalyst needs to be able to precisely guide the addition of hydroxyl groups and sulfonic acid groups.
Warm up to a suitable range, so that the reaction system can be slowly started. The introduction of hydroxyl groups can be skillfully operated by specific hydroxylation reagents according to their reactivity and selectivity, so that the hydroxyl groups fall accurately at the 4,4-position of benzophenone molecules. This process requires close monitoring of the reaction process to prevent side reactions from breeding.
After the hydroxyl group is successfully introduced, the step of sulfonation is carried out. Select a suitable sulfonation reagent and slowly add it to the reaction system. The sulfonation reaction also requires precise temperature control, so that the sulfonic acid groups are properly connected to the target position to generate 4,4-dihydroxybenzophenone-2-sulfonic acid.
After the reaction is completed, the product is purified by suitable separation methods, such as extraction, crystallization, etc. During extraction, select the right extractant to enrich the product in the organic phase, and then concentrate and crystallize to precipitate pure 4,4-dihydroxybenzophenone-2-sulfonic acid crystals. The whole preparation process requires exquisite equipment, precise temperature control, and skilled operation to obtain this product.

What are the precautions for the storage and transportation of 4,4-diaminodiphenylamine-2-sulfonic acid?

4,4-Dihydroxybenzophenone-2-sulfonic acid has many precautions during storage and transportation.
When storing, the first environment is heavy. It needs to be placed in a cool and dry place, because the substance may be sensitive to humidity and temperature. If the environment is humid, it is easy to cause deliquescence and deterioration; if the temperature is too high, it may cause its chemical properties to change and affect the quality. Be sure to keep away from fire and heat sources, because it is flammable, in case of open flames, hot topics or dangerous. And should be stored separately from the oxidant to prevent mutual reaction. This substance may react violently with the oxidant, causing changes in ingredients or causing safety accidents.
During transportation, the packaging must be tight. Make sure that the packaging material can resist vibration, collision and friction, and avoid material leakage due to package damage. The transportation vehicle should also choose the appropriate one, and the vehicle should be well ventilated to prevent the evaporation and accumulation of substances due to poor ventilation, which will cause danger. During transportation, be careful to avoid large vibrations and collisions such as sudden braking and sharp turns to prevent packaging damage. When loading and unloading, the operator should handle it with care, strictly abide by the operating procedures, and do not load and unload brutally to ensure the safety of the material.
In conclusion, whether it is storing or transporting 4,4-dihydroxybenzophenone-2-sulfonic acid, its chemical properties must be fully considered, and the relevant norms and requirements must be followed with caution to ensure the quality and safety of the substance.