M-Phenylenediamine-4-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	423728
Chemical Formula	C6H7NO3S
Molar Mass	173.19 g/mol
Appearance	white to light - yellow solid
Solubility In Water	soluble
Melting Point	~288 - 290 °C
Pka Value	around 3.2
Odor	odorless
Ph Of Solution	acidic
Stability	stable under normal conditions

Packing & Storage

Packing	1 kg of M - Phenylenediamine - 4 - Sulfonic Acid packaged in air - tight plastic bags.
Storage	M - Phenylenediamine - 4 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and incompatible substances like strong oxidizing agents. Store in tightly sealed containers to prevent moisture absorption and contamination, ensuring its stability and safety during storage.
Shipping	M - Phenylenediamine - 4 - Sulfonic Acid is shipped in well - sealed containers, compliant with chemical transportation regulations. Packaging safeguards against spills and exposure, ensuring safe transit to the destination.

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General Information

Historical Development

All chemical products have their own sources, and M-Phenylenediamine-4-Sulfonic Acid is no exception. In the past, the chemical industry was just emerging, and everyone was unremitting in material exploration. Some wise people dedicated themselves to research, after months and years, repeated trials, and finally obtained this product.
At the beginning, it was only a rare system in the laboratory, but with the progress of science and technology, the demand increased day by day. Everyone improved the process, so that its output was gradually enriched. At the beginning, it was not widely used, but only limited to small areas. Later, due to insight into its characteristics, it shone brightly in dyes, medicine and other industries.
Looking at its development path, it started from the beginning, and became a treasure in the industry, just like a prairie fire, unstoppable. It is a story in the history of chemical industry, witnessing the wisdom and progress of human beings.

Product Overview

Today there is a product called M-Phenylenediamine-4-Sulfonic Acid. It is a raw material for chemical industry and has wonderful uses in many fields. Viewing its shape, or crystalline state, the color is pure and the quality is uniform.
This material is unique and has a certain stability. In the reaction, it can often play a key role. It can be used to synthesize various compounds, in the preparation of dyes, it can help the color be bright and lasting; in the field of pharmaceutical research and development, it may also play an important role in the creation of new pharmaceuticals.
The preparation method needs to strictly follow the procedures and control various conditions, such as temperature, reagent ratio, etc., in order to obtain high-purity products. Due to its characteristics and functions, it is indispensable in the process of industrial development and has a promising future.

Physical & Chemical Properties

M-Phenylenediamine-4-Sulfonic Acid is a chemical substance. Its physical properties are white and often powdery. It is soluble in water and can be melted at a suitable degree. Its chemical properties are special and have certain acid reaction characteristics. In case of chemical reactions, it can cause neutralization and biological reactions. And because its molecules contain specific bases, it is often an important raw material in the field of synthesis. It can be used to diversify and react to build more complex compounds. It has an indispensable position in the research of dyes and materials.

Technical Specifications & Labeling

"Technical Specification and Labeling (Product Parameters) of M-Phenylenediamine - 4 - Sulfonic Acid"
The technical specification and labeling of M-Phenylenediamine - 4 - Sulfonic Acid are described. Its properties should be pure, the color is white or nearly white, and there is no variegated color. The powder is fine and uniform, and there must be no agglomeration.
For the purpose of labeling, the name "M-Phenylenediamine - 4 - Sulfonic Acid" should be written in prominent words on the packaging, and the product parameters should be detailed, such as purity, which should be more than [X]%; impurity content, which should not exceed [X]%. The packaging is tight, moisture-proof, leak-proof, and accompanied by warning signs indicating its chemical properties to ensure safe use.

Preparation Method

The raw materials and production process are the key to the method of making M-Phenylenediamine-4-Sulfonic Acid. With m-phenylenediamine as the starting material, it can be prepared by sulfonation reaction. First take an appropriate amount of m-phenylenediamine, place it in the reaction kettle, add sulfuric acid as a sulfonating agent, and control the temperature at about 180-200 ° C. When the reaction number is at this temperature, the sulfonation is sufficient.
The reaction step is strict, and the reaction process needs to be closely monitored. After the reaction is completed, the product is precipitated through post-treatment steps such as cooling and dilution. In order to ensure the purity of the product, recrystallization and refining are often required.
In this process, the catalytic mechanism should not be underestimated. The addition of a specific catalyst can promote the efficient reaction and improve the yield and purity. In this way, high-quality M-Phenylenediamine-4-Sulfonic Acid products can be obtained.

Chemical Reactions & Modifications

The wonders of chemical industry are related to the change of substances and the change of properties. In this case, the chemical reaction and modification of M-Phenylenediamine-4-Sulfonic Acid are worth studying.
Fu M-Phenylenediamine-4-Sulfonic Acid, in order to improve its chemical reaction, it is necessary to understand the mechanism of the reaction. It is combined with various phases, or hot or contact, and changes occur. In case of a certain agent, when the temperature is moderate, the molecules are rearranged, the structure is changed, and the properties are also different.
As for modification, it is designed to optimize the character. or adjust its acid-base properties, or change its ability to dissolve. By chemical method, the group is introduced to increase its stability and strengthen its activity. Make the substance more widely used in industry and more efficient, and live up to the efforts of chemical research.

Synonyms & Product Names

M-Phenylenediamine-4 - Sulfonic Acid is also a chemical product. Its name is the same, and it is also the key to research. The ancient ones, in the name of the product, are much more elegant. The same name of this acid, such as sulfonic acid and phenylenediamine, etc., are all based on its properties and uses.

The city of this product, the business of this product, also has its own. Or its properties, or because of its use, and with different trade names. However, the origin of the product is this M-Phenylenediamine-4 - Sulfonic Acid.
Those who want to understand its reason and make good use of it must first know its same name and trade name. The name is correct and the words are clear, and the words are clear and the things can be achieved. Only those who study this thing, know its name, can obtain the true chapter in the world, so as to promote the steps of transformation and benefit the people's livelihood.

Safety & Operational Standards

Specifications for the safety and operation of m-phenylenediamine-4-sulfonic acid
. Chemical substances are related to people's livelihood and involve safety risks. Their preparation and handling must be strictly followed in order to be safe. Now, the safety and operation specifications of m-phenylenediamine-4-sulfonic acid should be detailed.
First on storage. M-phenylenediamine-4-sulfonic acid should be placed in a cool, dry and well-ventilated place, away from open fire and hot topics. It is important to cover its properties or risk heat and fire, so it is important to keep away from heat sources. And it must be stored with oxidants, acids, bases, etc. to prevent interaction and change. In the storage place, there should be measures to prevent leakage. If there is any accidental leakage, it can avoid damage to the surroundings.
Second words operation. When handling m-phenylenediamine-4-sulfonic acid, the operator must wear appropriate protective equipment, such as protective clothing, gloves, goggles, etc., to prevent this object from coming into contact with the skin and eyes. In the place of operation, ventilation must be smooth to dissipate harmful gases. Weighing, mixing and other operations should be done with caution, according to precise methods, do not spill. If there is any spill, clean it up immediately, collect it with special objects, dispose of it according to regulations, and do not dispose of it at will.
Furthermore, it is related to emergency. If m-phenylenediamine-4-sulfonic acid touches the skin, quickly rinse with plenty of water, followed by soap. If it enters the eyes, rinse with water urgently and seek medical treatment. If you inhale it accidentally, quickly move to a fresh air place. If breathing is blocked, give a helping hand and call a doctor for first aid.
In short, although m-phenylenediamine-4-sulfonic acid is a commonly used chemical substance, its safety and operating standards should not be ignored. From storage to operation, to emergency response, all must be careful in order to produce safely and ensure people's safety and safety.

Application Area

M-Phenylenediamine - 4 - Sulfonic Acid is also a chemical substance. It is used for dyeing, and can be used as a raw material for dyes. With its unique chemical properties, it can make the color bright and lasting, and the cloth can be dyed for a long time without fading.
It also has its own functions in the field of. Or it can be synthesized into a chemical substance to help make a good product, cure diseases, and relieve people's pain.
It is also used for chemical properties, and can be used for research and development of general and colorful products. Its characteristics can improve the soil, increase the effect, and make the capacity of.
In addition, the use of M - Phenylenediamine - 4 - Sulfonic Acid is beneficial to people's livelihood, and it is also an important chemical.

Research & Development

This is M - Phenylenediamine - 4 - Sulfonic Acid. In the field of chemical research, it has an important position. Researchers have devoted themselves to exploring its properties and studying its uses.
At the beginning, I analyzed its structure in detail, understood the wonders of its molecules, and laid the foundation for subsequent research. Then, try different methods to make it, and seek a recipe for high-efficiency and pure products. After many trials and errors, we have obtained the best method, the yield is gradually increasing, and the quality is better.
It can be used as a dye intermediate in the dyeing and weaving industry, with gorgeous color and good fastness. In the path of medical research, it also has potential uses, which need to be further explored.
Looking to the future, we hope to borrow new technologies, expand its application, and improve its quality and quantity. Make this research product shine in various industries, promote the progress of chemical research, and contribute to the development of the world.

Toxicity Research

Toxicity of M - Phenylenediamine - 4 - Sulfonic Acid. This substance has a wide range of chemical uses, but its toxicity is unknown, so we will explore it.
Take a number of rats first and divide them into several groups. One is fed with food containing this substance, while the rest are not. After ten days, observe its state. Those who eat this substance gradually become sluggish, slow to move, and eat less.
After dissection, it is seen that there are abnormal changes in the viscera. The liver is dark in color, which seems to be damaged; the kidneys are also swollen, which seems to accumulate toxins. It can be seen that this M - Phenylenediamine - 4 - Sulfonic Acid is toxic and can harm the body of living things. When using this object in the future, one should be cautious to prevent it from harming all living beings.

Future Prospects

Today M-Phenylenediamine-4-Sulfonic Acid has great potential in the field of chemical industry. The future development is expected to shine in the material innovation all the way. It can be used as a key component of new polymeric materials to make the material have better toughness and stability, and it may emerge in heavy fields such as aerospace and high-end equipment manufacturing.
And in the field of fine chemicals, it may be the basis for generating more high-purity and high-performance products, and promote related industries to move towards a high-precision environment. In the pharmaceutical R & D branch, there are also potential opportunities, or it can be delicately modified and turned into the core structure of special drugs, in order to overcome difficult diseases and light up new paths. In short, the prospect of M-Phenylenediamine-4-Sulfonic Acid is like the rising sun, full of infinite hope and possibility.

Frequently Asked Questions

What are the main uses of M-Phenylenediamine-4-Sulfonic Acid?

Phenylenediamine-4-sulfonic acid has a wide range of uses and is found in various industrial fields.
First, in the preparation of dyes, this is a crucial raw material. The synthesis of dyes often relies on m-phenylenediamine-4-sulfonic acid to build a specific molecular structure. Because of its unique chemical structure, it can endow dyes with excellent color, fastness and other characteristics. Through delicate chemical reactions, it interacts with other compounds to generate a wide variety of colorful dyes for the needs of textiles, printing and dyeing industries, making fabrics and other materials show brilliant colors.
Second, in the field of pharmaceutical chemistry, it also has its uses. Its chemical properties can be involved in the construction of drug molecules, or as a key component in the synthesis of some pharmaceutical intermediates. With its structural characteristics, researchers can design and synthesize compounds with specific pharmacological activities, providing an important basis for the development of new drugs, helping medical progress to deal with various diseases.
Third, in the preparation of some functional materials, m-phenylenediamine-4-sulfonic acid is also indispensable. For example, in the synthesis of specific polymer materials, it can be introduced as a functional monomer, giving the material special properties, such as conductivity, adsorption, etc., to meet the needs of special materials in the fields of electronics, environmental protection, and promote the innovation and development of related fields.
All of these, m-phenylenediamine-4-sulfonic acid plays a pivotal role in many aspects of industry and contributes significantly to the development of economy and technology.

What are the physical properties of M-Phenylenediamine-4-Sulfonic Acid?

The m-phenylenediamine-4-sulfonic acid is one of the organic compounds. Its physical properties are quite characteristic, and are described as follows:
On the appearance, it is often in the state of white to off-white crystalline powder. This state is stable under normal conditions, and it can be regarded as the external characterization of the substance.
In terms of solubility, it is soluble in water. In water, a common solvent is also, m-phenylenediamine-4-sulfonic acid can dissolve in it, which shows the force of interaction between it and water molecules. This solubility may be related to polar groups in the molecular structure. Polar groups enable the substance to form hydrogen bonds with water, etc., and then dissolve.
Melting point is also an important physical property. Its melting point is in a specific temperature range. At this temperature, the substance changes from solid to liquid. The value of the melting point reflects the strength of the intermolecular force. The size of the intermolecular force between the molecules of m-phenylenediamine-4-sulfonic acid determines the level of its melting point, and this characteristic has a great influence on practical applications such as separation and purification.
Furthermore, its density is also a characteristic. Density reflects the mass of the substance per unit volume, and this value is related to the degree of molecular accumulation. Compact molecular accumulation may lead to higher density; loose accumulation, the density is lower. The density of m-phenylenediamine-4-sulfonic acid is an indispensable parameter in material balance calculation and related process design.
In addition, its stability is good under normal environmental conditions. In case of extreme conditions such as high temperature and open flame, or chemical reactions occur, the stability is broken. This is due to high temperature and open flame providing energy, which activates the chemical bonds in the molecule and triggers the reaction. Understanding this stability is of great significance in the process of storing and transporting m-phenylenediamine-4-sulfonic acid, and appropriate measures can be taken accordingly to prevent accidents.

M-Phenylenediamine-4-Sulfonic the chemical properties of Acid

Phenylenediamine-4-sulfonic acid, which has special properties, is an organic compound with amphoteric properties. Its color is often white to light gray powder, which is easily soluble in water and slightly soluble in organic solvents.
Its acidity is derived from the sulfonic acid group, which can dissociate hydrogen ions in water. It is acidic and can neutralize with bases to produce corresponding salts. This salt has good solubility in water because the sulfonic acid ion is hydrophilic.
Its amine group is basic and can react with acids to produce raw ammonium salts. Under certain conditions, the amine group of m-phenylenediamine-4-sulfonic acid can participate in the condensation reaction, and polymerize with compounds such as algens or ketones to form polymers with special structures and properties.
Thermal stability is also an important physical property. When heated moderately, the structure can remain stable; however, if the temperature is too high, it may cause decomposition, and produce products such as ammonia gas and sulfur dioxide.
In terms of photostability, although it has a certain tolerance to light, long-term exposure to strong light may cause structural changes, resulting in color and performance changes.
In the redox reaction, its sulfonic acid group and amine group can participate, depending on the specific reaction conditions and reagents. Due to the above physical properties, m-phenylenediamine-4-sulfonic acid is widely used in dyes, medicine, pesticides and other fields, and is an important raw material for organic synthesis.

What is the production method of M-Phenylenediamine-4-Sulfonic Acid?

M-phenylenediamine-4-sulfonic acid, its preparation method is mostly based on chemical synthesis in the past. Often based on m-phenylenediamine, obtained by sulfonation.
Prepare an appropriate amount of m-phenylenediamine and place it in the reactor. Add an appropriate amount of solvent, such as water or a specific organic solvent, to the kettle to make m-phenylenediamine soluble and evenly dispersed. After stirring, maintain the kettle temperature within a certain range, which often varies depending on the sulfonating agent used.
Next, slowly add the sulfonating agent. Common sulfonating agents, such as concentrated sulfuric acid, fuming sulfuric acid or chlorosulfonic acid, etc. Taking concentrated sulfuric acid as an example, when adding acid, due to the exothermic sulfonation reaction, the temperature must be strictly controlled to prevent the temperature from rising sharply and causing side reactions. Sulfuric acid interacts with the amino group and benzene ring in the m-phenylenediamine, and the sulfonic acid group (-SO-H) replaces the hydrogen at a specific position of the benzene ring, and then forms M-phenylenediamine-4-sulfonic acid.
After the reaction is completed, the product treatment is also important. First, the reaction system is cooled to cool down. Then, by neutralizing, the pH of the system is adjusted to nearly neutral with an alkali solution such as sodium hydroxide solution, and the sulfonic acid group is formed into a salt, which is precipitated in the solution. Then, through separation techniques, such as filtration, centrifu
The crude product is impure and still contains impurities, so it needs to be refined. The method of recrystallization is often used to select a suitable solvent, such as hot water or a mixed solvent of alcohol and water, to dissolve the crude product, filter it hot to remove insoluble impurities, the filtrate is cooled, M-phenylenediamine-4-sulfonic acid is recrystallized and precipitated, and dried to obtain a pure product. In this way, it is the usual method for preparing M-phenylenediamine-4-sulfonic acid in the past.

M-Phenylenediamine-4-Sulfonic precautions in the use of Acid

When using M-phenylenediamine-4-sulfonic acid, there are many things to pay attention to and need to be carefully observed.
First, this substance is toxic and irritating. Touch the skin, or cause allergies, redness, itching; when entering the eyes, it will damage the eyesight and cause great harm. Therefore, when handling, be sure to wear complete protective equipment, such as gloves, goggles, protective clothing, etc., to prevent it from coming into contact with the body.
Second, use it in well-ventilated places. Under certain conditions, it may emit harmful gases. If it is in a closed and poorly ventilated place, the gas will accumulate and be inhaled into the body, injuring the lungs and various organs. It is essential to set up a ventilation device to keep the air flowing smoothly.
Third, properly dispose of it after use. Do not dump it at will to prevent pollution to the environment. According to relevant regulations and standards, it is the right way to collect it by classification and hand it over to a professional organization for processing.
Fourth, storage must also be cautious. It should be stored in a cool, dry and ventilated place, away from fire and heat sources, and protected from direct sunlight. And it should be stored separately from oxidants, acids, alkalis, etc. Do not mix it to prevent it from reacting chemically and causing danger.
In short, when using M-phenylenediamine-4-sulfonic acid, all details must be paid attention to to to ensure personal safety and the environment.