3,4-Diaminobenzenesulfonic Acid

Lingxian Chemical

Specifications

HS Code	464106
Chemical Formula	C6H8N2O3S
Molecular Weight	188.204 g/mol
Appearance	Pale yellow to brownish - yellow crystalline powder
Solubility In Water	Soluble in hot water
Solubility In Organic Solvents	Slightly soluble in ethanol, insoluble in benzene, chloroform, etc.
Melting Point	288 - 290 °C
Pka Value	There are two pKa values related to the amino groups
Ph Of Aqueous Solution	Can be acidic due to the sulfonic acid group
Stability	Stable under normal conditions, but may be sensitive to strong oxidizing agents
Odor	Odorless or with a faint characteristic odor

Packing & Storage

Packing	25 - kg bags of 3,4 - Diaminobenzenesulfonic Acid, well - sealed for chemical protection.
Storage	3,4 - Diaminobenzenesulfonic acid should be stored in a cool, dry, well - ventilated area, away from sources of heat and ignition. Keep it in a tightly closed container to prevent moisture absorption and exposure to air. Store separately from oxidizing agents and acids to avoid potential chemical reactions. This storage method helps maintain its chemical stability.
Shipping	3,4 - Diaminobenzenesulfonic Acid should be shipped in tightly - sealed containers, safeguarded from moisture and heat. Transport under proper hazardous material regulations to prevent any chemical - related risks during transit.

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General Information

Historical Development

The industry of chemical industry is changing with each passing day, and all kinds of products are used by human beings. Today, 3,4-diaminobenzenesulfonic acid is also important in the field of chemical industry.
In the past, chemistry was at its dawn, and everyone was diligent in exploring the nature of matter. The discovery of 3,4-diaminobenzenesulfonic acid was really difficult. At that time, scholars studied day and night, with their wisdom and perseverance, analyzed the composition of matter, and finally obtained this new thing.
Later, with the advance of science and technology, their understanding deepened, knowing that it can be used in many fields, or as a raw material for dyes, or helpful in medicine. The method of production has also been continuously improved, from the crude at the beginning to the fine at present, and the output has also increased. Its development process has witnessed the rise of chemical industry, from ignorance to understanding, from simplicity to complexity, which is really one of the examples of chemical progress.

Product Overview

Description of 3,4-diaminobenzenesulfonic acid
3,4-diaminobenzenesulfonic acid, its color is white or nearly white, and its shape is like powder. This substance is quite functional in the field of chemical industry.
Its properties are stable, and it may change when it encounters strong acids and alkalis. In water, it has a certain solubility and can react with many chemical agents.
When preparing, it is often synthesized with specific raw materials through exquisite processes. When temperature control and control are required, pay attention to the reaction conditions to get good products.
In industry, it is mostly used in the production of dyes. With its structural characteristics, it can add a unique color to the dye, and help the dye firmly adhere to the fabric, so that the color lasts for a long time. It is also used in the preparation of pharmaceutical intermediates, providing a key basis for the synthesis of special drugs.
Therefore, although 3,4-diaminobenzenesulfonic acid is small, it has an indispensable position in the chemical and pharmaceutical industries.

Physical & Chemical Properties

3,4-Diaminobenzenesulfonic acid, its physical and chemical properties are quite unique. Looking at its morphology, it is often crystalline and has pure white matter. The number of melting points is about a specific range, which is one of the key points for identification. In terms of solubility, it has a certain solubility in water, but varies in organic solvents. The chemical properties are active, and the amino group and the sulfonic acid group give it unique reactivity. The amino group can participate in nucleophilic substitution, and the sulfonic acid group can show the sign of acidity and neutralize with bases to form salts. Because of its special properties, it is widely used in the field of dye synthesis. It can be used as a key intermediate to help produce colorful dyes. It also plays a role in the synthesis of medicine and lays the foundation for the development of new drugs.

Technical Specifications & Labeling

3,4-Diaminobenzenesulfonic acid, its process specifications and identification (product parameters) are related to the quality and application of this product. Its process specifications require fine grinding of the material ratio, control of the reaction temperature and duration. In a delicate way, the reactants are mixed in a specific order and appropriate amount, and at a suitable temperature, the ideal product can be obtained after precise reaction.
As for the identification (product parameters), purity is the key, it should reach a very high proportion, and the impurity content should be minimal. In addition, the appearance also needs to be clear and show a specific color state. Parameters such as particle size also affect its performance. In this way, accurate control of process specifications and identification (product parameters) can ensure that 3,4-diaminobenzenesulfonic acid is of high quality and can be used effectively in various fields.

Preparation Method

The preparation of 3,4-diaminobenzenesulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism, which is the focus of our chemical researchers.
To make this product, the selection of raw materials is the key. Commonly used aniline and other starting materials are converted through delicate steps. In the first step, aniline is sulfonated by the process of sulfonation. Under appropriate conditions, it cooperates with reagents such as sulfuric acid to introduce sulfonic acid groups into the benzene ring. This step requires precise temperature control, time control and reagent ratio to achieve the best effect.
Then, the specific group is converted into an amino group through the reduction process. Among them, the catalytic mechanism is very important. The selection of a suitable catalyst can promote the reaction to proceed efficiently and directionally, and improve the purity and yield of the product. Each step of the reaction needs to be carried out in sequence, careful to operate, and follow the ancient adage "the slightest difference is a thousand miles away" in order to obtain high-quality 3,4-diaminobenzenesulfonic acid products, which can be used in many fields of the chemical industry.

Chemical Reactions & Modifications

The chemical modification of 3,4-diaminobenzenesulfonic acid compounds is the key to chemical research. The reaction of this compound often involves the process of multiplication. To seek its modification, it is necessary to study its reaction mechanism.
In the past, its reaction components such as degree, solubility, and catalysis are all important to the reaction. Increase the reaction rate, or promote the reaction rate, but also cause side reactions. Appropriate solubility, which can help the reaction to disperse and benefit the reaction. Those who catalyze the reaction can reduce the activation energy of the reaction and make the reaction easier.
Today's research seeks more precise modification. Or introduce new groups to improve its properties. Or integrate the reaction, avoid side reactions, and improve the reaction rate. Therefore, in order to understand its chemical and anti-chemical modification, it is necessary to explore the general factors and unremitting exploration in order to achieve its exquisite environment and obtain the performance of the material, so as to be used in the same way.

Synonyms & Product Names

3,4-Diaminobenzenesulfonic acid is very important in the field of chemical industry. Its synonymous names are many, or p-phenylenediamine sulfonic acid, and it is also called 3,4-diaminobenzenesulfonic acid. Although its trade names are different, they all identify this specific chemical.
Looking at its characteristics, it has specific chemical activities and physical properties, and is indispensable in many industrial processes. Or used in the preparation of dyes, with its structural properties, giving dyes unique color and stability; or used in pharmaceutical synthesis, providing key raw materials for the creation of new drugs. When chemists explore its properties and applications, they scrutinize the relationship between its synonyms and trade names, hoping to make better use of it, expand its use in chemical, pharmaceutical and other fields, and contribute to industrial progress and human well-being.

Safety & Operational Standards

3,4-Diaminobenzenesulfonic acid is an important chemical substance in the chemical industry. It is necessary to be cautious about its safety and operating practices.
During production preparation, the factory must be well ventilated to prevent the accumulation of harmful gases. All equipment needs to be regularly overhauled to avoid the risk of leakage. Operators should also wear complete protective equipment, such as protective clothing, gloves, goggles, etc., so as not to be negligent and expose the body to danger.
When storing, this substance should be placed in a cool, dry and ventilated place, away from fire and heat sources. It should be stored separately from oxidizing agents, acids, alkalis, etc., and must not be mixed to avoid dangerous chemical reactions.
During the handling process, the action must be gentle and must not be loaded and unloaded brutally to prevent packaging damage and material leakage. If a leak occurs unfortunately, immediately evacuate the surrounding people and start emergency treatment procedures. In the case of a small leak, a clean shovel can be collected in a dry, clean, covered container; in the case of a large leak, it is necessary to build a dike or dig a pit for containment, transfer it to a tanker or a special collector with a pump, and recycle or transport it to a waste treatment site for proper disposal.
Only by strictly adhering to such safety and operating standards can we ensure the smooth operation of 3,4-diaminobenzenesulfonic acid, and ensure the safety of personnel and the tranquility of the environment.

Application Area

3,4-Diaminobenzenesulfonic acid has a wide range of uses. In the field of dyes, it can make brilliant dyes to make fabrics colorful and lasting for a long time, adding color to clothing and adding color to life. In medicine, or as a key raw material for synthesizing special drugs, it helps heal diseases and protect health. It is also used to make high-efficiency additives and improve quality and efficiency in industrial processes. This compound has important functions in various fields, just like stars shining in the sky of application, silently contributing to the development of human beings and the improvement of life.

Research & Development

Nowadays, there is a chemical substance, named 3,4-diaminobenzenesulfonic acid, which is crucial to the research and development of my field of chemical research. We devote ourselves to studying the properties of this substance, exploring the mystery of its molecular structure, analyzing its reaction mechanism, and hoping to gain insight into its inherent laws.
In terms of application, we are committed to expanding its application. Or it can be used for the creation of new dyes, with their unique chemical properties, giving dyes better color and fastness; it is also expected to be used in drug synthesis, with its structural characteristics, to explore new drugs with specific curative effects.
The road of research and development, although there are many thorns, we uphold our perseverance and explore unremitting. With the help of scientific methods, we will further explore its potential and contribute to the progress of the chemical field, making it shine in various industries and promoting related industries to move forward vigorously.

Toxicity Research

The toxicity of sulfonic acid compounds 3,4 - Diaminobenzenesulfonic Acid is related to many aspects.
This substance is occasionally used in chemical synthesis, but its toxicity cannot be underestimated. Experiments have shown that if the skin is accidentally touched, it will be redness and itching in the light, and ulceration in the severe. If the dust is inhaled by mistake, it will cause coughing and asthma in the lungs, and it will hurt the function of the lungs if it is accumulated for a long time. If taken by mistake, it will cause gastrointestinal cramping and damage to the organs.
Looking at its chemical structure, the sulfonic acid group coexists with the amine group, or it is the source of toxicity. The interaction between the two triggers complex biochemical reactions in organisms, causing cell damage and dysfunction. And this substance is difficult to degrade in the environment, or accumulates in water and soil, and endangers all living beings through the food chain. Therefore, studying its toxicity is of great significance for protection and environmental management.

Future Prospects

3,4 - Those who Diaminobenzenesulfonic Acid are also things that are transformed. In this world, science and technology are improving, and the energy of this compound is waiting to be excavated. Before it is developed, it may be used in the field of technology to help research new products and cure diseases; or in the world of materials, it will become a new material with special properties and needs.
Or in the field of protection, there will be construction, transformation of the environment, and development. The road ahead is uncertain, but with the heart of my researchers and the study of things, it will definitely be able to make this compound, before it is developed, benefit the world, and achieve extraordinary things, so as to benefit the world.

Frequently Asked Questions

What are the main uses of 3,4-diaminobenzenesulfonic acid?

3,4-Dihydroxybenzoic acid, its main uses are quite extensive. In the field of medicine, this is an important pharmaceutical intermediate. The synthesis of many drugs is based on it, which can help to prepare antibacterial and anti-inflammatory drugs. For example, with the help of specific chemical reactions, it can be converted into compounds with antibacterial activity, which has the effect of inhibiting the growth of certain bacteria, and can be used as a key ingredient in the treatment of infectious diseases.
In the chemical industry, this substance also has important uses. It is one of the key monomers in the synthesis of polymer materials. Through polymerization, it can be combined with other monomers to form a polymer with unique properties. Such polymers can be used in the manufacture of coatings, plastics and other products, giving these products excellent properties such as good oxidation resistance and corrosion resistance. For example, adding this synthetic polymer to some high-end coatings can improve the durability and protective performance of coatings.
In the food industry, 3,4-dihydroxybenzoic acid and its derivatives can act as food preservatives. Because it has certain antibacterial ability, it can be added to food in moderation to inhibit the growth and reproduction of microorganisms, prolong the shelf life of food, and is relatively safe for the human body. It can maintain the flavor and quality of food while ensuring food safety.
In the field of cosmetics, its antioxidant properties make it applicable. It can effectively remove free radicals generated during the metabolism of skin cells, slow down skin aging, and prevent skin wrinkles and pigmentation. Therefore, it is often used in skin care product formulations to protect skin health.

What are the physical properties of 3,4-diaminobenzenesulfonic acid?

3,2,4-Dihydroxybenzoic acid is an organic compound. Its physical properties are as follows:
Looking at it, at room temperature, this substance is mostly white to light yellow crystalline powder, with fine texture and fine particles.
Smell it, usually without any special smell, and place it under the nose to smell it lightly. It only feels a faint smell of chemicals, but not a pungent and unpleasant smell.
Touch it, it feels dry to the touch, the powders are not sticky to each other, and it is gently twisted at the fingertips, like fine sand sliding through, and the fluidity is quite good.
In terms of melting point, it is about 200-210 ° C. When the temperature gradually rises to this range, the substance gradually melts from solid to liquid, and the morphology changes significantly. In terms of solubility, it is slightly soluble in cold water, but its solubility is enhanced in hot water. This is due to the increase in temperature, the intensification of molecular thermal motion, and the enhanced interaction between water molecules and the molecules of the substance. It can also be soluble in organic solvents such as ethanol and ether. In these solvents, a homogeneous dispersion system can be formed.
The above are the physical properties of 3,2,4-dihydroxybenzoic acid. Its many properties make it widely used in chemical, pharmaceutical and other fields. It is an important organic compound.

Is the chemical properties of 3,4-diaminobenzenesulfonic acid stable?

3,4-Dihydroxybenzoic acid, this material is stable. It has phenolic hydroxyl and carboxyl groups. The phenolic hydroxyl group is active and easy to oxidize. It can be left in the air for a long time or will change color. Then appropriate measures, such as sealing and low temperature storage, can be taken to maintain relative stability. The carboxyl group is acidic and can react with bases, metal oxides, etc. This reactivity is controllable under specific conditions, and it will not cause spontaneous violent reactions to cause instability.
Its melting point is about 200-205 ° C. The structure changes at this temperature, and the room temperature is much lower than this, so it is stable at room temperature. Furthermore, the existence of intramolecular hydrogen bonds and conjugate systems makes the structure stable. In many chemical reactions, as long as the conditions are mild and do not involve extreme reagents and conditions such as strong oxidants, strong acids and bases, its structure and physical properties are not easily changed. Therefore, under normal environment and conventional operation, 3,4-dihydroxybenzoic acid is stable.

What is the production process of 3,4-diaminobenzenesulfonic acid?

The production process of 3,4-dihydroxybenzoic acid is a delicate and complex technology. The initial raw materials are often selected from suitable organic compounds, carefully prepared, and put into a special reactor. The environment, temperature and pressure in the kettle need to be precisely controlled, and no mistakes can be made.
At the beginning of the reaction, the raw materials interact in the kettle, or go through a catalytic reaction. A specific catalyst is used to promote the fracture and recombination of its chemical bonds, so that the molecular structure gradually converts to the shape of the target product. In this catalytic process, the choice and dosage of the catalyst are crucial. If it is not appropriate, the reaction rate and product purity will be affected.
Then, the reaction mixture may need to be separated and purified. Or use distillation to separate the product from impurities according to the difference in boiling point of each component; or use extraction to extract the product using the difference in solubility of different solvents to the product and impurities. These steps require fine operation to ensure the high purity of the product.
Furthermore, the purified product may need to be further refined, such as crystallization operation. By adjusting the temperature, solvent concentration and other conditions, the product is precipitated in a crystalline state, and then filtered and dried to obtain pure 3,4-dihydroxybenzoic acid.
The entire production process, each step is interconnected, and the negligence of any link can lead to substandard product quality. Therefore, skilled craftsmen and accurate equipment are required to achieve high-quality 3,4-dihydroxybenzoic acid.

What are the precautions for storing and transporting 3,4-diaminobenzenesulfonic acid?

3,4-Dihydroxybenzoic acid is an important organic compound. When storing and transporting, the following things should be paid attention to:
First, the importance of storage. This substance should be stored in a cool, dry and well-ventilated place. Because of its certain hygroscopicity, if the environment is humid, it is prone to moisture and qualitative changes, which will damage its quality. And it needs to be kept away from fire and heat sources, because it is easy to cause chemical reactions or even decomposition due to heat. It should be stored separately from oxidizing agents, acids, bases, etc., and must not be mixed with each other to prevent danger caused by mutual reaction. The storage area should be equipped with suitable materials to contain leaks for emergencies.
Second, transportation regulations. Be sure to ensure that the packaging is complete and sealed before transportation to prevent leakage during transportation. When transporting, it is necessary to strictly follow the relevant regulations on the transportation of hazardous chemicals, and select transportation enterprises and vehicles with corresponding qualifications. During transportation, it is necessary to ensure that the container does not leak, collapse, fall, or damage. Avoid mixing with other substances that may react with it. Pay close attention to the temperature and humidity of the transportation environment to prevent changes in the properties of the substance due to temperature and humidity discomfort. At the same time, transporters should be familiar with the characteristics of the substance and emergency treatment methods. In the event of an emergency such as leakage, they can take measures quickly and correctly to reduce the harm.
Only by strictly controlling the storage and transportation links and paying attention to the above matters can we ensure the safety of 3,4-dihydroxybenzoic acid and avoid safety accidents and quality problems caused by improper operation.