8-Aminonaphthalene-1,6-Disulfonic Acid

Lingxian Chemical

Specifications

HS Code	640796
Chemical Formula	C10H9NO6S2
Molar Mass	303.31 g/mol
Appearance	White to light yellow solid
Solubility In Water	Soluble
Pka Values	Multiple acidic groups with different pKa values
Stability	Stable under normal conditions but may react with strong oxidizing agents

Packing & Storage

Packing	500g of 8 - Aminonaphthalene - 1,6 - Disulfonic Acid in sealed chemical - grade bags.
Storage	8 - Aminonaphthalene - 1,6 - Disulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and incompatible substances. Store in a tightly - sealed container to prevent moisture absorption and contamination. Avoid storing near strong oxidizing agents to ensure its stability and safety.
Shipping	8 - Aminonaphthalene - 1,6 - Disulfonic Acid is shipped in well - sealed containers. It must comply with hazardous chemical shipping regulations to prevent leakage and ensure safe transportation.

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General Information

Historical Development

The historical evolution of 8-aminonaphthalene-1,6-disulfonic acid is crucial to the development of chemical industry. In the past, chemists worked hard in the laboratory and after repeated trials, they first got the clue of this compound. At that time, the technology was not mature, and the road to extraction and preparation was full of thorns, but the public was determined.
With the passage of time, science and technology have advanced, and the preparation process has become more and more sophisticated. From the initial crude method to the later refined improvement, the efficiency and quality have jumped sharply. This compound has emerged in many fields and is widely used. Its historical development is a portrayal of the unremitting exploration, breakthrough and innovation in the field of chemistry, paving the way for future generations of chemical research and industrial production, inspiring future generations to continue to forge ahead, and recomposing new chapters in the field of chemistry.

Product Overview

8-Aminonaphthalene-1,6-disulfonic acid is one of the important substances in chemical research. Its characteristics are unique, with a light yellow color and a crystalline state. This compound has key uses in many fields. In the preparation of dyes, it can be used as an important intermediate, endowing dyes with unique color and stability. Its structure is exquisite, and the amino group and sulfonic acid group are cleverly connected to the naphthalene ring, so the structure gives it special chemical activity.
The preparation method requires several fine steps. The choice of raw materials and the control of reaction conditions are all about success or failure. A slight deviation in the temperature and pH of the reaction environment affects the purity and yield of the product. However, there are also challenges. When storing, it is necessary to avoid moisture and oxidation, otherwise the quality will change. For our chemical researchers, in-depth study of 8-aminonaphthalene-1,6-disulfonic acid can expand the field of chemical cognition and contribute to the progress of related industries.

Physical & Chemical Properties

8-Aminonaphthalene-1,6-disulfonic acid has different properties. Its properties have physical and chemical properties. Looking at its physical properties, it often takes a specific shape, or is in a crystalline state, and the color is also fixed, or bright or dark. Its solubility, in water and various solvents, has different manifestations, or soluble or insoluble, all due to its molecular structure.
As for chemical properties, 8-aminonaphthalene-1,6-disulfonic acid contains amino groups and sulfonic acid groups, which are very active. Amino groups can react with acids to form salts; sulfonic acid groups can also react with bases, alcohols and other substances under specific conditions to produce different compounds. The properties of this substance are widely used in various fields such as chemicals and dyes, and can be used as raw materials to produce a variety of products, with far-reaching impact.

Technical Specifications & Labeling

Process specification and identification of 8-aminonaphthalene-1,6-disulfonic acid (commodity parameters)
Fu 8-aminonaphthalene-1,6-disulfonic acid, the process specification is the key. The preparation method needs to follow a specific process. First take the naphthalene as the starting material, through the sulfonation technique, make the sulfonic acid group enter the 1,6 position of the naphthalene ring, and then use the amination method to make the amino group set at 8 positions. The temperature, duration and ratio of the reactants during the reaction are all fixed.
In terms of identification, the commodity parameters should be detailed. Its color should be white or slightly yellow powder, which can be seen. The purity must be accurate, less impurity disturbance. And its molecular weight and molecular formula should be clearly stated, so that the buyer can understand. On the packaging, there should also be a clear logo, indicating the product name, content, precautions, etc., to ensure that the user is correct. In this way, it complies with the process regulations and identification.

Preparation Method

The preparation method of 8-aminonaphthalene-1,6-disulfonic acid is related to raw materials and production processes, reaction steps, and catalytic mechanisms. The method is as follows: Take an appropriate amount of naphthalene, and through sulfonation reaction, obtain the naphthalene sulfonic acid intermediate. The sulfonating agent used is suitable for sulfuric acid, and the temperature is controlled in a specific range to make the reaction sufficient. Next, a specific reagent is added to the intermediate to introduce an amino group. This step requires adjusting the reaction conditions, such as temperature and pH, to promote precise substitution of amino groups. And in the reaction system, a suitable catalyst is added to accelerate the reaction process and improve the yield. The catalyst used should have high activity and selectivity. After each step, the product was purified by phase separation, crystallization and other methods to obtain pure 8-aminonaphthalene-1,6-disulfonic acid. Through this series of steps, the product can be efficiently prepared and lay the foundation for its subsequent application.

Chemical Reactions & Modifications

Guanfu 8-aminonaphthalene-1,6-disulfonic acid, its chemical reaction and modification are related to the change of function, which is quite important. In the past, the chemical reaction may not be good, the yield is not high, and the product is not pure. Now make progress, study its chemical reaction mechanism, and observe the influence of conditions in detail. Temperature, pressure, and catalyst are all key. Under appropriate temperature, the molecular movement is appropriate, and it should be accelerated. The catalyst can be used skillfully to lower the barrier of application and promote the smooth flow of chemical application. After many explorations, there are also gains in the way of modification. Or adjust its molecular structure, or add other substances to combine with it, so that the performance is better. In this way, the yield of 8-aminonaphthalene-1,6-disulfonic acid has increased, and the quality is also excellent, which can be used in various industries and is a big step forward in the process of chemical research.

Synonyms & Product Names

8-Aminonaphthalene-1,6-disulfonic acid, also known as naphthalene dye intermediates. It has many other names and has a wide range of uses. In the dyeing and weaving industry, it is often used as a raw material for making dyes, with fresh color and excellent fixing color.
Throughout the ages, many craftsmen have studied its properties. In the past, it was refined by ancient methods, which was time-consuming and laborious, and the results were impure. Today's technology is advancing day by day, and refining methods are emerging one after another, and the quality of the products is rising.
Among the shops, the names are different. Or according to the name of the function, or according to the place of origin, although the name is different, the quality is the same. The industry is familiar with its details, and the products are all 8-aminonaphthalene-1,6-disulfonic acid by name. Everyone follows their characteristics and uses their energy to develop their talents in various fields of chemical industry and promote the prosperity of the industry together.

Safety & Operational Standards

Safety and Operating Specifications for Octaaminonaphthalene-1,6-Disulfonic Acid
Fu Octaaminonaphthalene-1,6-Disulfonic Acid is also a substance produced by chemical preparation. It is very important for scientific research and industrial use, but when handling it, it is necessary to abide by safety and operating standards to avoid all kinds of hazards.
The first word about safety. This substance has certain chemical activity, and it may cause skin and eye discomfort when touched. Therefore, when operating, protective equipment, such as gloves, goggles, etc. must be worn to prevent it from coming into contact with the skin and eyes. If you accidentally touch it, rinse it with plenty of water quickly, and you need to seek medical attention. And its odor or irritation, when well ventilated, if necessary, respiratory protection devices can be used to ensure smooth breathing and not harm.
As for the operation specifications, when preparing or using, accurate weighing and formulation are essential. According to the needs of the experiment, take an appropriate amount of octaaminonaphthalene-1,6-disulfonic acid with a precise measuring tool, and there should be no deviation. And during the reaction process, strictly observe the reaction conditions, such as temperature, time, pH, etc., which should not be ignored. If the temperature is high, the reaction may be too fast, and there is a risk of runaway; if the time is short, the reaction will not be completed, and the product will be impure.
Furthermore, storage is also important. It should be placed in a dry and cool place, away from sources of ignition and oxidants. This substance may react violently when exposed to fire or oxidants, causing harm. It also needs to be stored in a closed device to prevent it from getting damp and deteriorating, so as to ensure quality.
In short, when handling octaaminonaphthalene-1,6-disulfonic acid, safety is the priority, and operating norms are followed. In this way, the experiment can be smooth, and the safety of people and the environment can be ensured.

Application Area

8-Aminonaphthalene-1,6-disulfonic acid has a wide range of uses. In the dyeing and weaving industry, it can be used as a raw material for dyes. Because of its special structure, it can make the dyed color bright and firm, and the color of the fabric will not fade for a long time, which is heavy on weavers.
In medicine and chemical industry, it also has its use. Or it can assist in the research of new drugs and help in the treatment of diseases. Its chemical properties can participate in the reaction to produce a therapeutic agent, which is expected to solve the suffering of patients.
In addition, in scientific research experiments, it is a commonly used test drug. Researchers use their characteristics to explore the wonders of chemistry and advance science. In short, 8-aminonaphthalene-1,6-disulfonic acid is important in the field of various uses and is a treasure of chemical industry.

Research & Development

The industry of chemical industry is changing with each passing day, and new products are emerging one after another. Today, the research and development of 8-aminonaphthalene-1,6-disulfonic acid is really the focus of our generation.
This compound has unique characteristics and has potential in many fields. We have studied its structure, explored its reaction mechanism, and hoped to make good use of it. Past research has already revealed its chemical activity, but if we want to make good use of it, we still need to cultivate it.
Our generation has been studying day and night, hoping to expand its application. Or in the synthesis of materials, adding its unique properties; or in the research and development of medicine, seeking its new utility. The road of research is full of thorns, and we should also be determined.
With time and unremitting research, 8-aminonaphthalene-1,6-disulfonic acid will be able to shine, open up new frontiers in scientific research, promote the progress of the industry, and become the ambition of our generation of researchers.

Toxicity Research

8-Aminonaphthalene-1,6-disulfonic acid is an important chemical substance. We take toxicological research as our business and study this substance carefully. Observe its toxicity and study its effects on organisms in detail in various experiments. Observe its interaction with organisms, or cause changes in physiological functions. Although no significant acute toxicity has been seen, long-term exposure may pose potential hidden dangers. If ingested orally, it may have subtle effects on the digestive system; if exposed through skin, it may also cause discomfort. We should maintain a cautious attitude and conduct in-depth investigations to clarify the full picture of its toxicity, so as to ensure the safety of the environment and organisms, and provide solid evidence for future application and prevention, so that this chemical substance can be used rationally to avoid its harm and promote its benefits.

Future Prospects

This substance is really the key to our chemical research. It is unique and has potential to be explored in many fields.
We believe that in the future, it will definitely emerge in the innovation of materials. Or help new fibers to increase their toughness and characteristics; or use them for electronic materials to promote their performance.
And in the process of pharmaceutical research and development, it is also expected to be a key help. Or as the basis for new drugs to solve patients' diseases. This is the future situation we look forward to. Although there may be thorns in the road ahead, we are determined to overcome all difficulties and explore the infinite possibilities of 8 - Aminonaphthalene - 1,6 - Disulfonic Acid to meet the bright future.

Frequently Asked Questions

What are the main uses of 8-aminonaphthalene-1,6-disulfonic acid?

8-Hydroxyquine-1,6-diacid, this substance has a wide range of uses. In the field of medicine, it can be used as an antibacterial agent. Due to its unique structure, it can interact with key bacterial enzymes or proteins to interfere with the normal metabolism and reproduction of bacteria, thereby inhibiting bacterial growth, and has a healing effect on some bacterial infections.
In terms of materials science, 8-hydroxyquine-1,6-diacid can be used to prepare functional materials. Because of its special coordination ability, it can complex with metal ions to form complexes with unique structures and properties. These complexes are widely used in the field of luminescent materials, or can improve the luminescent efficiency and stability of materials, and play an important role in the fabrication of devices such as organic Light Emitting Diodes (OLEDs).
In the field of analytical chemistry, this substance can be used as an analytical reagent. With its properties of forming stable complexes with specific metal ions, spectrophotometry, fluorescence analysis and other means can be used to detect and selectively certain metal ions. For example, it can be used to detect the content of specific metal ions in environmental water samples or biological samples, which can assist environmental monitoring and biomedical research.
Furthermore, in the field of catalysis, 8-hydroxyquinone-1,6-diacid or its metal complexes can sometimes act as catalysts. In some organic synthesis reactions, through its unique electronic effect and spatial structure, it can effectively catalyze the reaction, improve the reaction rate and product selectivity, and is of great significance to the development of organic synthesis chemistry.

What are the physical properties of 8-aminonaphthalene-1,6-disulfonic acid?

8-Hydroxyquinoline-1,6-disulfonic acid is a special compound with multiple unique physical properties.
Its appearance is mostly crystalline, white and pure, and the crystal structure is regular. Viewed under a microscope, an orderly crystal lattice can be seen. This regular structure has a great impact on its properties.
In terms of solubility, it has a certain solubility in water. Due to the hydrophilicity of the hydroxyl and sulfonic acid groups in the molecule, it can form hydrogen bonds with water molecules. However, the solubility is also restricted by temperature. When the temperature increases, the solubility often increases. In organic solvents, such as ethanol and acetone, there is also a certain degree of solubility, but the degree of solubility varies depending on the properties of the solvent.
Melting point is a key indicator to measure its thermal stability. The melting point of 8-hydroxyquinoline-1,6-disulfonic acid is quite high, indicating that the intermolecular force is strong, the structure is stable, and a higher temperature is required to destroy the lattice and cause it to melt. During the heating process, below the melting point, its physical state is stable, and its chemical properties do not change significantly; when approaching the melting point, the molecular vibration intensifies, and the lattice gradually becomes disordered.
The compound has certain hygroscopicity. Because the hydrophilic groups in the molecule are easy to absorb water molecules in the air, it is necessary to pay attention to moisture-proof when storing, otherwise the purity and related properties may be affected after moisture absorption.
In addition, its aqueous solution or molten state can conduct electricity, although it is not a good conductor, because the sulfonic acid group in the molecule can ionize ions, and the ions can move in a directional manner under the action of an electric field to form an electric current. This conductivity has potential application value in some specific electrochemical systems or chemical reactions.
In summary, the physical properties of 8-hydroxyquinoline-1,6-disulfonic acid are unique, which is of great significance for its research and application.

Is the chemical properties of 8-aminonaphthalene-1,6-disulfonic acid stable?

The chemical properties of 8-hydroxyquinoline-1,6-disulfonic acid are quite stable. This is because 8-hydroxyquinoline has a certain stability. Its structure contains nitrogen heterocycles and hydroxyl groups, and nitrogen atoms and oxygen atoms in hydroxyl groups have lone pairs of electrons, which can participate in the formation of conjugated systems and make molecular structures more stable.
When the sulfonic acid group is introduced at the 1,6-position, the sulfonic acid group is a strong electron-absorbing group. Although it will affect the distribution of the original electron cloud of 8-hydroxyquinoline, the introduction of the sulfonic acid group makes the molecular charge distribution more uniform, and the sulfonic acid group itself is relatively stable, and can interact with surrounding groups, such as forming hydrogen bonds, which further enhances the molecular stability.
Furthermore, in the crystal structure formed by the substance, the intermolecular force also contributes to its stability. The intermolecular interaction can be closely combined through hydrogen bonds, van der Waals forces, etc., to build a stable crystal structure, making it difficult for external factors to destroy its structure and properties. In summary, 8-hydroxyquinoline-1,6-disulfonic acid is chemically stable under common conditions.

What is the preparation method of 8-aminonaphthalene-1,6-disulfonic acid?

To make 8-hydroxyquinoline-1,6-disulfonic acid, the method is as follows:
First take an appropriate amount of quinoline, put it in the reactor, and slowly add concentrated sulfuric acid. This step needs to be handled with caution. Because sulfuric acid is highly corrosive and oxidizing, the acid addition process should be constantly stirred to make the mixture uniform and dissipate heat well to prevent local overheating from triggering side reactions. The ratio of sulfuric acid to quinoline needs to be precisely controlled, usually in excess according to the stoichiometric ratio, in order to promote the reaction to the direction of generating the target product.
Add sulfuric acid and heat it up to a specific temperature range. This temperature is generally between 150 ° C and 180 ° C. Maintain this temperature and continue to stir the reaction for several hours. During the reaction, the reaction process is closely monitored, and the consumption of raw materials and the formation of products can be detected by thin-layer chromatography or other suitable analytical means.
When the reaction reaches the expected level and is slightly cold, the reaction mixture is slowly poured into ice water. This operation needs to be slow to prevent the solution from splashing due to severe exothermic heat. After that, neutralize with an appropriate amount of sodium hydroxide solution, adjust the pH value to neutral or weakly basic, so that the product can exist stably in the solution in the form of sodium salts.
After neutralization, the solution can be preliminarily separated by filtration, extraction, etc. If there are insoluble impurities in the product, it can be filtered off with filter paper; for further purification, the difference in solubility of the product in different solvents can be used, and a suitable organic solvent can be selected for extraction to remove unreacted raw materials and by-products
After extraction, the organic phase is collected, and the organic solvent is removed by distillation under reduced pressure to obtain crude 8-hydroxyquinoline-1,6-disulfonic acid. If a higher purity product is required, the crude product can be recrystallized, an appropriate solvent can be selected, the crude product is heated and dissolved, filtered while hot, the filtrate is cooled and crystallized, filtered and dried again to obtain refined 8-hydroxyquinoline-1,6-disulfonic acid.

What is the price of 8-aminonaphthalene-1,6-disulfonic acid in the market?

Today there are 8-hydroxyquinine-1,6-disulfonic acid, what is the price in the market? I will investigate it for you in detail.
The price of 8-hydroxyquinine-1,6-disulfonic acid is not constant and often varies due to various reasons. First, the supply and demand of the market, if there are many people who want it and there are few people who supply it, the price will rise; if the supply exceeds the demand, the price may drop. Second, the cost of making this product is also a major factor, and the price of raw materials, labor costs, energy consumption, etc. are all related to the cost. If the cost is high, the price is also high. Third, different merchants have different pricing, and they may have different prices due to their own strategies, brands, etc.
In terms of common market conditions, if 8-hydroxyquinine-1,6-disulfonic acid is used for industrial use, its quality and quantity are different, and the price is also poor. Usually, those with high purity and excellent quality must have a higher price than those with ordinary quality. If it is used for laboratory research, its price may be higher due to higher requirements for purity.
To know its exact price, it is necessary to check the chemical raw material trading platform, chemical reagent sales website, etc., or consult relevant merchants to obtain the actual price in the current market.