5-Aminonaphthalene-2-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	527513
Chemical Formula	C10H9NO3S
Molar Mass	223.25 g/mol
Appearance	white to light gray powder
Solubility In Water	slightly soluble
Pka Value	about 2.5 (approximate for acidic group)
Melting Point	173 - 175 °C
Odor	odorless (usually)
Stability	stable under normal conditions, but may react with strong oxidizing agents

Packing & Storage

Packing	1 kg packs of 5 - Aminonaphthalene - 2 - Sulphonic Acid in air - tight chemical - resistant bags.
Storage	5 - Aminonaphthalene - 2 - Sulphonic Acid should be stored in a cool, dry place. Keep it in a well - sealed container to prevent moisture absorption and contact with air, which could potentially lead to chemical degradation. Store away from sources of heat and ignition, as well as incompatible substances like strong oxidizing agents. This helps maintain its stability and integrity during storage.
Shipping	5 - Aminonaphthalene - 2 - Sulphonic Acid is shipped in sealed, corrosion - resistant containers. Special care is taken to prevent moisture and contamination. Shipments follow strict chemical safety regulations for hazard - free transit.

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

General Information

Historical Development

The product of 5-aminonaphthalene-2-sulfonic acid has a history of development. In the past, the Fang family explored the physical properties and first entered this field. In many chemical combinations, they gradually observed.
At that time, the equipment was not refined, and the techniques were still simple, but everyone's heart was unremitting. After years of work, the method of preparation began to emerge. With the passage of time, all kinds of skills have improved, the preparation method has become better, and the output has also increased.
From the initial ignorance and exploration to the later familiarity, this product has gradually occupied a corner in the forest of chemical industry. The researchers of past dynasties, with wisdom and hard work, have forged the path of its historical evolution, making it useful in many fields and becoming an indispensable part of the development of chemical industry.

Product Overview

5-Aminonaphthalene-2-sulfonic acid is an important chemical substance. Its shape is either crystalline, and its color is pure white or slightly yellow. This substance has specific chemical properties and is often used as a key intermediate in the field of organic synthesis.
The preparation method goes through several steps and requires strict control of the reaction conditions, such as temperature and pH. And the raw materials used also need to be carefully selected to obtain this high-quality product.
5-Aminonaphthalene-2-sulfonic acid is used in many industries, especially in the manufacture of dyes. With its structural characteristics, it can endow dyes with unique color and stability. Furthermore, in the research of medicinal chemistry, it has also emerged, or provided assistance for the research and development of new drugs. The research and development and application of this substance have broad prospects and are worth further investigation.

Physical & Chemical Properties

In the case of 5-aminonaphthalene-2-sulfonic acid, the rationalization of its substance is of the utmost importance to the researcher. This substance, in its shape, or in the form of crystals, is as white as snow in color. Its melting point and boiling point can be determined by its thermal stability. When melting, it needs to reach a specific temperature to transform into a liquid state. The boiling point also has its value. At this temperature, it will become gaseous.
Furthermore, its solubility cannot be ignored. In solvents such as water and alcohol, the degree of dissolution varies. Or slightly soluble in water, but easily soluble in alcohol, which is related to its application. And its chemical activity can react with other substances, meet with alkalis, or form salts. Its optical and electrical properties are also emphasized by researchers, or under certain conditions, it shows special optical and electrical effects. All kinds of physicochemical properties are the basis for understanding its essence and expanding its use.

Technical Specifications & Labeling

For 5-aminonaphthalene-2-sulfonic acid, its process specifications and identification (commodity parameters) are the key. To make this product, a specific method is required. Prepare all kinds of raw materials first, and their quality and quantity must be compatible. When reacting, the temperature, pressure and the length of the reaction are all fixed.
Looking at its label, it must specify the composition and properties. The color should be pure and the state should be uniform. Among the ginseng, the content and the geometry of impurities should be accurately marked. And it must be properly stored to avoid moisture, light, heat insulation, etc., to ensure the stability of its quality. In this way, it can meet the essence of the process specifications and labels, so that this product can be used and trusted.

Preparation Method

The preparation method of 5-aminonaphthalene-2-sulfonic acid is related to the raw material and production process, reaction steps and catalytic mechanism. In the past, this compound was prepared by taking naphthalene as the initial raw material, and then introducing the sulfonic acid group into the naphthalene ring through the sulfonation reaction. Concentrated sulfuric acid was selected as the sulfonation reagent, and the reaction temperature and time were controlled to obtain 2-naphthalene sulfonic acid.
Then, 2-naphthalene sulfonic acid was nitrified and nitro was introduced at a specific position. The reaction conditions were precisely controlled so that the nitro group was positioned at the 5 position to obtain 5-nitronaphthalene-2-sulfonic acid. Then, with a suitable reducing agent, such as iron powder and hydrochloric acid system, the nitro group of 5-nitronaphthalene-
In this preparation method, precise control of the reaction conditions is crucial. A slight deviation in temperature and reagent ratio affects the purity and yield of the product. The catalytic mechanism cannot be ignored, and the appropriate catalyst can accelerate the reaction process and improve efficiency. The production process is continuously optimized to improve product quality and production efficiency.

Chemical Reactions & Modifications

In the field of chemical industry, the research of 5-Aminonaphthalene-2-Sulphonic Acid is crucial to the chemical reaction and sexual change.
In the past, to obtain this compound, the path of chemical reaction was often difficult and complicated. The ratio of various raw materials and the control of conditions are slightly poor, and it is difficult to meet expectations. And the properties of the product are also affected by many factors.
At present, researchers have thought hard and improved the method of chemical reaction. Optimize the raw materials to increase the rate of reaction and the yield is also significantly improved. In the corresponding environment, precisely adjust the temperature, pressure, etc., to make the reaction more comfortable.
As for its properties, after repeated investigation, it has been found that under different media and conditions, its properties change according to rules. After modification and regulation, specific properties can be obtained to meet diverse needs. All these researchers have made unremitting efforts to study the wonders of response and sexual change, becoming clearer and clearer, adding bricks and mortar to the progress of chemical industry, with a view to expanding ambitions and creating new frontiers in the future.

Synonyms & Product Names

5-Aminonaphthalene-2-sulfonic acid, its synonymous name and commodity name are quite crucial. In the field of my chemical research, knowing its synonymous names, such as those recorded in many documents or old books, or those with similar meanings, can help us search for information and study its properties in detail.
Looking at the name of its product, when it is circulated and traded between cities, this name is related to transactions and cognition. The trade names set by different trade names may vary slightly due to marketing and tradition.
For example, if you study this substance in the past, first hear a certain trade name, and then check the classics in detail, you will know its many synonymous names. This process is similar to finding a path in the labyrinth of knowledge. If the synonyms and trade names are marked, it will lead me to a brighter environment and help me explore the mystery of 5-aminonaphthalene-2-sulfonic acid, which is of great benefit in synthesis, application and other aspects.

Safety & Operational Standards

In the case of 5-aminonaphthalene-2-sulfonic acid, the product of the chemical is also. Be careful when studying its safety and operating regulations.
This product is dangerous or dangerous, and it can be harmful to the body by touching, eating or inhaling it. During operation, wear suitable protective gear, such as gloves, eyepieces and masks, to prevent it from being connected. And keep it in a good place to avoid its gas accumulation.
Store this thing, it is suitable for dry, cool and common places, away from fire and heat sources. Store it separately, avoid contact with prohibited ingredients, and prevent anti-life risks.
Operating regulations are also heavy. Before use, familiarize yourself with its properties and emergency laws. During operation, follow the procedures and do not exceed the limit. After that, clean the utensils and the field, and keep the ring clean.
If you accidentally touch it, quickly decontaminate the clothes, rinse the skin with large water, and seek medical treatment for those who have been injured for a long time. Enter the eyes, open the eyes, buffer the water, and also seek medical treatment. If you eat or inhale, quickly dissociate, seek medical treatment.
In summary, study 5-aminonaphthalene-2-sulfonic acid, safety and operation rules are the first, follow them, can avoid risks, and ensure people's safety and business.

Application Area

5-Aminonaphthalene-2-sulfonic acid, the application field of this substance is quite wide. In the dyeing and weaving industry, it can be used as a dye intermediate. After wonderful modulation, it can become a variety of fresh-colored dyes, and dyed fabrics have good color fastness and long-lasting color. It is also a key raw material for weaving and dyeing craftsmen.
In the field of chemical synthesis, it is also a key raw material. Based on it, through complex chemical reactions, a variety of fine chemicals can be prepared, which are indispensable in the pharmaceutical, fragrance and other industries.
In the process of scientific research and exploration, 5-aminonaphthalene-2-sulfonic acid is an important participant in the study of many organic reaction mechanisms, which helps researchers to understand the mystery of chemical changes, develop new synthesis paths, and promote the continuous progress of chemistry. This is the outline of its application field.

Research & Development

I have been working hard on the research and development of 5 - Aminonaphthalene - 2 - Sulphonic Acid. This compound has unique characteristics and a wide range of uses. At the beginning, I explored the method of its synthesis, but it has gone through twists and turns. All kinds of attempts, or because the conditions are not agreed, or because the raw materials are lacking, many are not smooth. However, I was not discouraged, and repeatedly studied the ancient books, learned from the methods of predecessors, and improved them. Finally, I got a method, which can be more stable. Its yield was not good at the beginning, and after debugging the reaction temperature, duration, raw material ratio, etc., the yield gradually increased. Looking at its application, it has potential in dyes, medicine and other fields. Dyes can add color and luster, and medicine may be able to assist in the research of new drugs. I should continue to make progress, hoping to better understand its nature and apply it widely, so as to enhance the brilliance of the academic community and the industry.

Toxicity Research

Today there is a thing called 5 - Aminonaphthalene - 2 - Sulphonic Acid. As a chemical researcher, I will explore its toxicity. The toxicity study of this substance is related to the health of everyone and the safety of the environment. It is essential to observe.
Investigate this substance in detail and observe its impact on various organisms in experiments. Take mice as an example, feed on food containing this substance, and observe its physiological changes over time. Seeing that its vitality is gradually lost, eating and drinking water are reduced, and even organs are damaged.
Observe the changes in the environment, contact with water, soil, etc., or biochemical reactions, and its products are also potentially dangerous. After repeated investigation, it can be seen that the toxicity of this product cannot be underestimated, and it is unfavorable to organisms and the environment. In the future, we should be careful and develop prevention and control methods to avoid its harm and protect the safety of all things.

Future Prospects

5-Aminonaphthalene-2-sulfonic acid, the future prospect of this substance is really fascinating. In the field of chemical industry, it seems to contain endless potential. Looking at the past, although there has been some exploration, the road to the future still needs to be opened up.
My generation hopes that with time, we can make the synthesis method more refined. Make its output more efficient and the quality more refined. And the field of application can also be continuously expanded. Or you can get involved in the development of new materials, adding bricks to material science; or you can emerge in the road of biomedicine, helping the health industry.
Although there may be thorns in the road ahead, we scientific researchers should have a determined heart, like Kuafu day by day, and unremitting pursuit. With wisdom and sweat, we will create the future glory of 5-aminonaphthalene-2-sulfonic acid and bring more benefits to the world.

Frequently Asked Questions

What are the main uses of 5-aminonaphthalene-2-sulfonic acid?

5-Aminosalicylic acid-2-sulfonic acid, its main uses are as follows:
This compound has important applications in many fields. In the field of medicine, it plays a key role. 5-Aminosalicylic acid-2-sulfonic acid is a key intermediate in the synthesis of some drugs for the treatment of inflammatory bowel diseases. Inflammatory bowel diseases, such as ulcerative colitis and Crohn's disease, seriously affect the quality of life of patients. Drugs made from this raw material can effectively relieve intestinal inflammation, relieve symptoms such as abdominal pain, diarrhea, and blood in the stool, and help patients recover.
In the dye industry, 5-aminosalicylic acid-2-sulfonic acid also occupies an important position. It can be used as a raw material for the synthesis of specific dyes, and through a series of chemical reactions, dyes with special colors and properties are generated. These dyes are widely used in textile, printing and dyeing industries, giving fabrics rich color and good color fastness, meeting people's needs for textile beauty and durability.
Furthermore, in the preparation of some fine chemical products, 5-aminosalicylic acid-2-sulfonic acid is also indispensable. With its unique chemical structure, it can participate in many fine chemical synthesis reactions, providing the possibility for the production of fine chemicals with special functions, such as some special surfactants, additives, etc., to promote the development of the fine chemical industry.
In summary, 5-aminosalicylic acid-2-sulfonic acid is widely used in the fields of medicine, dyes and fine chemicals, and is of great significance to the development of related industries.

What are the physical properties of 5-aminonaphthalene-2-sulfonic acid?

5-Amino-2-naphthalenesulfonic acid, also known as laurenic acid, is an organic compound. Its physical properties are as follows:
Looking at it, Laurenic acid is white to gray powder, left in sunlight for a long time, and its color gradually darkens. This is the characteristic of its appearance.
When it comes to solubility, Laurenic acid is slightly soluble in cold water, but easily soluble in hot water. In organic solvents, its solubility is poor, and in common organic solvents such as ethanol and ether, the degree of solubility is very small. This is its solubility in different solvents.
As for the melting point, Laurenic acid has a high melting point, about 300 ° C. A high melting point means that its structure is relatively stable, and a higher temperature is required to cause it to melt.
Laurenic acid has a density of about 1.6 g/cm ³. Density, as one of the properties of a substance, reflects its mass per unit volume. This density value shows its mass distribution in the same class of compounds.
Furthermore, Laurenic acid is odorless, but has a certain irritation. If it comes into contact with the human body, or irritates the skin, eyes, etc., it needs to be protected when used.

What is the chemical synthesis method of 5-aminonaphthalene-2-sulfonic acid?

The chemical synthesis of 5-amino-2-naphthol-3-sulfonic acid, also known as laurenic acid, is quite complicated. In the past, the preparation of this compound often used 2-naphthamine-3, 6, 8-trisulfonic acid as the starting material, and went through many delicate steps.
First, 2-naphthamine-3, 6, 8-trisulfonic acid is cleverly reacted with soda ash. In this process, the temperature, time and ratio of the reactants need to be precisely controlled. During the reaction, the temperature should be maintained at a certain range. If it is too low, the reaction will be slow, and if it is too high, it will cause side reactions. The time also needs to be strictly controlled. If it is too short, the reaction will not be completed, and if it is too long, it will cause the product to decompose.
After this step of reaction is completed, the obtained product will carefully react with caustic soda. This step of reaction requires more stringent reaction conditions. The pH of the reaction environment, temperature and other factors all have a great impact on the purity and yield of the product. It is necessary to carefully adjust the pH to make the reaction system in an optimal state to promote the smooth progress of the reaction.
In addition, 5-amino-2-naphthol-3-sulfonic acid is also prepared by other synthesis routes starting from other raw materials. However, no matter what method is used, chemists need to be well-versed in chemical principles and skilled in experimental techniques to obtain high-purity products. During the preparation process, the monitoring and regulation of each step of the reaction is crucial, and it is difficult to obtain the desired results with a little error.

What are the precautions for 5-aminonaphthalene-2-sulfonic acid in industrial production?

5-Hydroxychrome-2-sulfonic acid is used in industrial production, and many matters need to be paid attention to. This is the key to production safety, product quality and production efficiency.
First, the selection and treatment of raw materials is extremely important. It is necessary to ensure that the raw materials used are pure and free of impurities in order to lay a good foundation for subsequent reactions. If the raw materials are not good, it is easy to cause insufficient reaction or produce many by-products, which affects product quality. And the storage of raw materials is also exquisite. According to its characteristics, a suitable environment should be selected to prevent deterioration.
Second, the control of reaction conditions should not be lost. Factors such as temperature, pressure, and reaction time all have a great impact on the reaction process and product formation. If the temperature is too high, or the reaction is out of control, causing a safety accident; if the temperature is too low, the reaction will be slow and inefficient. Therefore, precise regulation of the reaction conditions is the key to obtaining the ideal product. At the same time, the stirring rate cannot be ignored. It is related to the uniformity of the mixing of the reactants, which in turn affects the reaction rate and effect.
Third, safety protection must be comprehensive. 5-Hydroxy-2-sulfonic acid may be corrosive and irritating. During production operations, staff should strictly follow safety procedures and wear protective clothing, gloves, goggles and other protective equipment to prevent contact injuries. The workshop should also be equipped with perfect ventilation facilities to discharge harmful gases in time to ensure the safety of the working environment.
Fourth, the treatment of three wastes needs to be compliant. If the wastewater, waste gas and waste residue generated in the production process are not properly treated, it will not only pollute the environment, but also may cause legal problems. Appropriate treatment processes need to be adopted to effectively treat the three wastes and discharge them after reaching the emission standards.
Fifth, quality inspection runs through the whole process. From the entry of raw materials into the factory to the delivery of products, strict quality inspection should be carried out in all links. Through professional testing methods, to ensure that the product purity, impurity content and other indicators meet the standards, to ensure that the product quality is stable and reliable.
Industrial production of 5-hydroxychrome-2-sulfonic acid requires fine control of raw materials, reaction, safety, environmental protection and quality in order to achieve efficient, safe and environmentally friendly production goals.

What are the effects of 5-aminonaphthalene-2-sulfonic acid on the environment?

5-Amino-2-naphthol-7-sulfonic acid, also known as J acid, has the following effects on the environment:
If this substance escapes in the environment, it will bear the brunt of affecting water bodies. It can cause water quality to deteriorate. If it flows into rivers, lakes and seas, it will interfere with the normal survival of aquatic organisms. Because it has certain toxicity, or it may damage the physiological functions of aquatic animals such as fish and shellfish, hinder their growth, reproduction, and even kill. And it will change the chemical properties of water bodies, affect the self-purification ability of water bodies, and break the balance of aquatic ecosystems.
If soil is polluted with 5-amino-2-naphthol-7-sulfonic acid, it will cause changes in soil physicochemical properties. It may react with minerals and organic matter in the soil, reduce soil fertility, and affect soil microbial community structure and function. As a result, plant growth will be inhibited, crop yield and quality will decrease, and it may accumulate through the food chain, endangering organisms that feed on agricultural products.
In the atmosphere, although 5-amino-2-naphthol-7-sulfonic acid is not volatile, if dust is formed during production and transportation, it will harm the respiratory system if inhaled by the human body. Long-term exposure may cause respiratory inflammation, lung diseases and other health problems.
In addition, 5-amino-2-naphthol-7-sulfonic acid has relatively stable chemical properties and is difficult to degrade in the environment. It will remain for a long time and continue to cause pressure on the environment. Therefore, in the process of its production and use, proper environmental protection measures should be taken to reduce the adverse impact on the environment and maintain the safety of the ecological environment.