Products

Aniline-2,4-Disulfonic Acid

Lingxian Chemical

Specifications

HS Code

570488

Chemical Formula C6H7NO6S2
Molar Mass 253.25 g/mol
Appearance Solid
Solubility In Water Soluble
Ph Aqueous Solution Acidic
Melting Point Decomposes
Stability Stable under normal conditions
Hazardous Nature Irritant to eyes, skin, respiratory system
Packing & Storage
Packing Aniline - 2,4 - Disulfonic Acid: Packed in 25 - kg bags for chemical storage and transport.
Storage Aniline - 2,4 - Disulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and incompatible substances such as strong oxidizers. Store in tightly sealed containers to prevent moisture absorption and exposure to air, which could potentially lead to degradation or hazardous reactions.
Shipping Aniline - 2,4 - Disulfonic Acid is shipped in well - sealed, corrosion - resistant containers. Due to its chemical nature, it requires careful handling during transit, following strict safety regulations to prevent spills and ensure safe delivery.
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Aniline-2,4-Disulfonic Acid
General Information
Historical Development
Aniline - 2,4 - Disulfonic Acid, also a chemical product. Its initial performance is the fruit of the exploration of the chemical industry. In the early days, the research of this object was still in progress, and its basics were not known.
In the past few months, the refinement of chemical technology has allowed researchers to deeply analyze its characteristics. In the synthesis method, the amount of energy has been increased gradually. The field of application is also expanding day by day, and it has exhibited important value in many aspects such as dyes and materials.
Past research, such as the stars, illuminates the way of the development of this object. To understand the beginning, to precisely control its synthesis and application, is the first step of research. Not yet, it is expected that there will be a breakthrough, and the color will be expanded in more fields, and the chemical industry will climb the peak again.
Product Overview
Aniline-2,4-disulfonic acid is unique among chemical products. Its shape and color, or crystalline body, color or nearly white and slightly transparent, under light, faint luster. Its properties are soluble in water, just like salt melted in soup, and can be combined with many reagents to produce different changes.
The preparation of this product requires a fine method. Based on aniline, accompanied by a sulfonating agent, temperature control and speed regulation, such as controlling the boat on the waves, if there is a little carelessness, it will be biased. If the temperature is high, the reaction will be too fast, and the product will be impure; if it is low, it will be slow and time-consuming.
has a wide range of uses. In the dye industry, it is an important part of coloring, which can make the color of fabrics bright and lasting. In the field of medicine, it is also the cornerstone of synthetic medicine. Although it is not seen on the surface of the finished product, it is indispensable behind the scenes. So aniline-2,4-disulfonic acid is really a pearl in the chemical world, silently shining its energy.
Physical & Chemical Properties
Aniline - 2,4 - Disulfonic Acid is also a chemical substance. Its physical properties are very special. The color may be high, and if it is crystalline, it often has a certain shape. The specific and observable nature of the fusion is one of its physical characteristics. In water, it has a certain solubility, depending on the degree of solubility and other components.
Its chemical properties can also be described. Sulfonic acid groups, amino groups and other groups in the molecule are determined. When it is easy to form, it is acidic and reactive, and can be synthesized by gold oxides and the like. It can be used as an important raw material in the synthesis. Due to the activity of the group, other groups can be introduced to form new compounds. Due to its physical and chemical properties, it can be used for a variety of purposes in the chemical industry and other fields, and it is important for research and engineering.
Technical Specifications & Labeling
Aniline - 2,4 - Disulfonic Acid is an important chemical product. Its process specifications and standards (product parameters) are related to production and quality.
Preparation of this product requires a precise process. The raw materials are well selected and the proportion is appropriate. React in a suitable temperature and pressure environment, and use a specific catalyst to make the reaction sufficient.
Its quality standards are strict. The purity must reach a certain proportion, and the impurity content should be strictly controlled. Appearance is also required, and the color and texture should be consistent.
During testing, professional means are used to accurately determine various parameters. According to this process specification and standard (product parameters), high-quality Aniline - 2,4 - Disulfonic Acid can be produced to meet the diverse needs of industry.
Preparation Method
The method of making Aniline-2,4-Disulfonic Acid, the first raw material and production process. Take aniline as the base, put it in a kettle with concentrated sulfuric acid, heat it to an appropriate temperature, and make it sulfonate. In the meantime, temperature control is very important, and a slight difference will affect the yield and purity.
The reaction steps are orderly. First, aniline and acid are fully mixed, and gradually heated to more than 150 degrees. Keep it, and make it sulfonate completely. After the reaction is completed, cool down, pour it into ice water, and precipitate crystals.
Separate and purify it, and remove impurities by recrystallization to obtain pure products. Recycle unreacted raw materials to reduce costs and meet the requirements of environmental protection. This preparation method is based on rigorous operation, accurate temperature control, and good recycling to obtain high-quality Aniline-2,4-Disulfonic Acid.
Chemical Reactions & Modifications
Aniline-2,4-Disulfonic Acid is an important chemical product. Its reaction and modification are related to many industries.
In the past, Aniline-2,4-Disulfonic Acid was often based on aniline and was sulfonated. However, the traditional method, or there are drawbacks. The process of sulfonation, the conditions or harsh, and the secondary propagation, resulting in poor product purity.
Today's researchers seek change and innovation. Think of catalytic methods to change the sulfonation response. Choose a high-efficiency catalyst, hoping to reduce the temperature of the reaction, the time of shrinkage, and increase the yield and purity of the product. Or explore a new way to make the reaction simpler and greener. In this way, in the production of Aniline - 2,4 - Disulfonic Acid, there may be innovation, adding new brilliance to the chemical industry.
Synonyms & Product Names
Aniline - 2,4 - Disulfonic Acid, this product is quite important in the field of chemical industry. Its synonymous name, or 2,4 - disulfonic acid aniline. As for the trade name, there are also names, but they all refer to this product.
The name of the chemical substance, often varies according to the region and industry. The synonymous name aims to accurately express its chemical structure and properties; the trade name may be related to the brand, use, etc.
I have studied this product, and I am well aware of the complexity of its various names. Exploring its synonymous name can clarify the relationship between its chemical nature; examining its trade name can understand the market application. After looking at the researchers, the title of Aniline - 2,4 - Disulfonic Acid was carefully identified in order to help this substance be widely used in various karma.
Safety & Operational Standards
Aniline - 2,4 - Disulfonic Acid is an important chemical compound in the chemical industry. In its experimental preparation and production process, safety and operating standards are of paramount importance.
The first word is safe, this compound may have certain toxicity and irritation. Experimenters should wear appropriate protective equipment, such as protective clothing, protective gloves and goggles, to prevent skin contact and eye splashing. Operate in a well-ventilated environment, preferably in a fume hood to avoid inhalation of its dust or volatile gases. When storing, store in a cool, dry and ventilated place, away from fire and heat sources, to prevent mixing with contraindicated substances such as oxidants.
For the second time, in the weighing process, be sure to use a precise weighing instrument to accurately weigh Aniline-2,4-Disulfonic Acid as required by the experiment. When dissolving, select a suitable solvent according to its characteristics, and add it slowly, while stirring continuously to promote uniform dissolution. During the reaction process, strictly control the temperature, pressure and other conditions, operate according to the predetermined reaction process, and pay close attention to the reaction phenomenon.
If subsequent treatment is involved, such as crystallization, filtration and other steps, follow the standard operation procedure. When crystallizing, control the cooling rate and crystallization time; when filtering, choose suitable filter paper or filter membrane to ensure the separation effect. The waste generated should not be discarded at will, and should be properly disposed of in accordance with relevant regulations to avoid pollution to the environment.
Only in this way can personnel safety, experimental accuracy and environmental friendliness be ensured in the research and production of Aniline-2,4-Disulfonic Acid.
Application Area
Aniline - 2,4 - Disulfonic Acid, it is also used to transform raw materials. Its use is especially important for dyes. It can be used to synthesize the essential material of multi-dye, because of its ability to make the dye bright and good performance. The dye is used for dyeing raw materials, so that the color of the cloth is long-lasting, and it will not fade after washing for a month; or used for printing, to form a fine picture and increase the beauty of the product. It also has its function in some fields of synthesis of raw materials. It can be used to react with raw materials and help form the construction of special molecules, which is expected to be used to treat diseases. Its use in chemical engineering, such as the relationship between the two, is an indispensable product.
Research & Development
Aniline-2,4-Disulfonic Acid is an important chemical raw material and is widely used in many fields. We have been studying this substance for a long time, and we initially focused on its synthesis method. After repeated experiments and multiple explorations, we finally obtained an optimized synthesis path, which greatly improved the yield.
Then explore its physicochemical properties, accurately determine relevant parameters, and lay a solid foundation for practical applications. With the deepening of research, we also pay attention to the development of its derivatives and expand the scope of application. Today, Aniline-2,4-Disulfonic Acid has emerged in the dye, pharmaceutical and other industries. We are well aware that there are still many unknowns to be solved, and we will continue to forge ahead in the future to promote the research and development of this substance to a new level and contribute to the progress of the industry.
Toxicity Research
Taste the industry of chemical industry, and it is very detailed in the investigation of substances. Today there is Aniline-2,4-Disulfonic Acid, and the investigation of its toxicity should not be ignored.
At the beginning of research, observe its shape, observe its response to various things. Use various methods to measure the path of its entry into the body, either through the mouth and nose, or through the skin. Apply to experimental animals, record its condition in detail. See signs of fatigue, lack of food, and even life-threatening.
Investigate its cause, explore its changes in the body, know its ability to disturb the order of biochemistry, and mess the viscera. Although it may be useful in industry, the risk of toxicity must be prevented. It is necessary to establish regulations and study methods to avoid it, so that the workers are safe and the environment is peaceful, so that the prosperity of this industry can be guaranteed and there will be no trouble.
Future Prospects
Aniline - 2,4 - Disulfonic Acid, also a chemical product. Today, this product has an unfinished prospect for its use in engineering.
This physical property is also inverse, and it can be based on the color source of the dye, so that the color of the dye can be long-lasting. In the future, it is expected that it can help the dye technology to improve, the color is better, and the fastness is better.
It is also used in the research and development of materials, or there are new ones. With its characteristics, it may be new, cure diseases, and relieve people's pain.
Furthermore, in the field of chemical research, it can lead to new research. Researchers can study its properties, study the wonders of molecules, and develop new ways.
In the past, Aniline-2,4-Disulfonic Acid has not been developed, and it is limited in engineering, engineering, and scientific research. It is expected to expand the color and promote the development.
Frequently Asked Questions
What are the main uses of Aniline-2,4-Disulfonic Acid?
Aniline-2,4-disulfonic acid is an important kind of organic compounds and has a wide range of uses.
In the dye industry, this is a key intermediate. Due to its specific chemical structure, it can be converted into various dyes with bright colors and good fastness through a series of chemical reactions. For example, it can synthesize dyes suitable for dyeing various fibers such as cotton, linen, and silk, making fabrics rich and long-lasting, adding a lot of color to the textile printing and dyeing industry.
In the field of medicine, it also plays a similar role. It can be used as a starting material or intermediate for the synthesis of some drugs. By virtue of its chemical properties, it participates in the construction of drug molecules and helps to develop drugs for the treatment of specific diseases. Although it is not a direct drug, it is of great significance to pharmaceutical innovation.
In the level of chemical research, aniline-2,4-disulfonic acid is often used as a model compound. Scientists deepen their understanding of the basic theory of organic chemistry by studying its reaction characteristics, structure and properties, etc., providing a basis for the development of new reactions and new synthesis methods, and promoting the continuous progress of organic chemistry.
Furthermore, in the preparation of some functional materials, it also has its own influence. It can be chemically modified and integrated into the material structure, endowing the material with unique properties such as special adsorption and ion exchange properties, and meeting the special needs of materials in different fields. In conclusion, aniline-2,4-disulfonic acid plays an indispensable role in many industries and research fields.
What are the Physical Properties of Aniline-2,4-Disulfonic Acid?
Aniline-2,4-disulfonic acid has several properties. Its shape is solid, and its color is often white or nearly white, which is a sign of appearance. Solubility is also an important quality, but it is easily soluble in water. Because its sulfonic acid group is hydrophilic, it can form hydrogen bonds with water molecules, so it is soluble.
In terms of acidity, it contains a sulfonic acid group, which can dissociate hydrogen ions in water and is acidic. It can neutralize with bases and produce corresponding salts. Its chemical activity is quite high, and the sulfonic acid group makes the electron cloud density of the benzene ring change, causing the electrophilic substitution reaction activity on the benzene ring to change.
In terms of thermal stability, it is said to be stable under normal temperature and general conditions. However, if it is heated very high, or reaches a specific temperature range, its structure may change, causing decomposition and generating other products.
And because of its specific chemical structure and properties, it is widely used in dyes, medicine and other industrial fields. It can be a raw material for dye synthesis, and various colors of dyes can be prepared by chemical reaction with its structural characteristics. In pharmaceutical synthesis, it is also used as a key intermediate, participating in the construction of drug molecules with its activity.
What are the chemical properties of Aniline-2,4-Disulfonic Acid?
Aniline-2,4-disulfonic acid is a kind of organic compound. It is acidic and can dissociate hydrogen ions in water, because of the sulfonic acid group.
The reactivity of this compound is quite rich. The sulfonic acid group is hydrophilic, making the substance soluble in water to a certain extent. And it can neutralize with bases to form corresponding salts.
And because it contains benzene ring and amino group, it also exhibits the characteristics of benzene ring and amino group. Benzene ring can undergo electrophilic substitution reactions, such as halogenation, nitration, etc. Amino groups can participate in various reactions, such as acylation reactions, and can interact with acid chloride or acid anhydride to form amide compounds.
Furthermore, in the structure of aniline-2,4-disulfonic acid, each group affects each other. The strong electron-withdrawing property of the sulfonic acid group may have an effect on the electron cloud density distribution on the benzene ring, which in turn affects the activity and positional selectivity of the substitution reaction on the benzene ring. The electron conjugation effect of the amino group will also check and balance the action of the sulfonic acid group, which together determine the reaction characteristics of the compound.
Its stability can be relatively stable under normal conditions, but when encountering specific reagents such as strong oxidizing agents, reactions such as oxidation may occur, resulting in structural changes. In conclusion, the chemical properties of aniline-2,4-disulfonic acid are complex and diverse, which are determined by the characteristics and interactions of each group in its structure, and have certain application value in organic synthesis and other fields.
What is the production method of Aniline-2,4-Disulfonic Acid?
The preparation method of aniline-2,4-disulfonic acid is based on the technique of chemical synthesis in ancient times. First take aniline as the base and sulfonate it with sulfuric acid. Put aniline in a reactor and slowly inject concentrated sulfuric acid to control its temperature and reaction time. The temperature of sulfonation is very important. If it is too high, the side reaction will occur, and if it is too low, the reaction will be slow. Often at a moderate temperature, sulfuric acid and aniline are electrophilic substitutions, and sulfonic acid groups are formed at the second and fourth positions of the benzene ring.
The reaction conditions in the past are not easy to control today, or there are many difficulties. This method uses precise temperature control and catalysis to increase its yield and purity. The catalytic agent may promote the reaction speed, reduce the reaction temperature, and reduce the side reaction.
There is also a method of phase transfer catalysis to make the reaction smooth in the heterogeneous system. At the interface between the aqueous phase and the organic phase, the catalytic reaction increases the mass transfer of the reactants, and then increases the reaction effect. This is a common preparation method of aniline-2,4-disulfonic acid. After years of evolution, the process has gradually refined to meet the needs of industry and scientific research.
What are the precautions for the storage and transportation of Aniline-2,4-Disulfonic Acid?
For aniline-2,4-disulfonic acid, many matters must be paid attention to during storage and transportation. This is a chemical substance with characteristics, related to safety and quality, and must not be ignored.
When storing, the first environment. It should be placed in a cool, dry and well-ventilated place. Avoid direct sunlight to prevent its properties from mutating due to light. If exposed to hot sun, it may cause chemical reactions, damage its quality, or even cause danger. And humidity must also be controlled. If the humidity is too high, it may cause deliquescence and affect subsequent use.
Furthermore, the packaging must be firmly sealed. Aniline-2,4-disulfonic acid may be corrosive. If there is an omission in the packaging, the spillage will not only stain the surroundings, but also damage the skin and mucous membranes when in contact with people. Therefore, the packaging material should be resistant to its corrosion, tight and seamless to ensure that there is no risk of leakage.
During transportation, caution should also be taken. It should be isolated from oxidants, alkalis, etc. Because of its active chemical properties, mixed with them, it is easy to react violently, causing fire and explosion. And the means of transportation must be clean and free of residual impurities to avoid contaminating this substance. When driving, drive slowly to avoid bumps and vibrations and prevent package damage.
When handling, practitioners should take full protection in front of protective equipment, such as acid and alkali-resistant gloves, protective clothing, protective glasses, etc., to avoid direct contact with aniline-2,4-disulfonic acid. During loading and unloading, handle it with care and do not operate it brutally, so as not to damage the packaging and endanger safety. In this way, aniline-2,4-disulfonic acid can be safely stored and transported.