7-Amino-4-Hydroxynaphthalene-2,8-Disulfonic Acid

Lingxian Chemical

Specifications

HS Code	780408
Chemical Formula	C10H9NO8S2
Molecular Weight	349.31 g/mol
Appearance	usually a solid
Solubility In Water	soluble to some extent
Color	might be colorless to light - colored
Odor	likely odorless
Ph In Solution	acidic pH
Melting Point	data - specific to the compound
Boiling Point	data - specific to the compound
Stability	stable under normal conditions

Packing & Storage

Packing	5 - kg bags of 7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid, properly sealed.
Storage	7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from sources of heat, ignition, and incompatible substances like strong oxidizers. Store in tightly sealed containers to prevent moisture absorption and contamination, which could affect its chemical properties and quality.
Shipping	7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid is shipped in sealed, chemically - resistant containers. Packaging ensures protection from moisture, light, and physical damage during transportation in compliance with chemical shipping regulations.

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7-Amino-4-Hydroxynaphthalene-2,8-Disulfonic Acid

General Information

Historical Development

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid, the historical development of this compound is worth exploring. In the past, chemists worked hard to achieve this result. At the beginning, the road of exploration was full of thorns, and researchers went through countless experiments to find a synthesis method. Despite many difficulties, their ambition has not changed. After long-term efforts, breakthroughs have gradually been made, and the synthesis method has become more and more perfect. With the passage of time, the application of this compound in various fields has also continued to expand. It has been little known from the beginning to now. It has played an important role in many fields such as chemical industry. It has witnessed the progress of chemical research and laid the foundation for subsequent related research. It is expected to show its value in more aspects in the future.

Product Overview

7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid is a particularly important compound. Its properties are unique, showing specific shapes and properties. This compound has great potential for application in many fields, and can be applied to dyes, medicine and other fields.
In terms of its preparation, it needs to follow specific processes and steps. With precise raw material ratio and fine chemical reaction process, better products can be obtained. Its reaction conditions are harsh, and temperature, pH, etc. have a significant impact on the quality and yield of the product.
Furthermore, its structural characteristics endow it with unique chemical activity and physical properties. These characteristics make it unique in applications in various industries. In the dye industry, it can give a bright and long-lasting color; in the pharmaceutical field, it may have specific pharmacological activities and can be used as the basis for the development of new drugs. It is indeed a compound worthy of further investigation and development.

Physical & Chemical Properties

The physicochemical properties of 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid are particularly important. Looking at its properties, it is often in the state of powder, either white or slightly yellowed. Its solubility, soluble in water, makes it well dispersed in many chemical processes and participates in reactions. When it comes to stability, it is relatively stable under conventional conditions, but when it encounters strong acids and bases, it is afraid of changes. Its melting point and boiling point also have certain values. These physical constants are the key to identifying and purifying the substance. In terms of chemical properties, acidic groups can neutralize and react with bases. In the field of organic synthesis, they can be used as key intermediates. With their special structures, complex compounds can be constructed, which is of great significance to chemical research and industrial production.

Technical Specifications & Labeling

For 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid, its process specifications and identification (product parameters) are the key. The preparation of this compound requires precise process regulations. The selection of raw materials must be pure and free of impurities, and the reaction conditions should be strictly controlled, such as temperature, duration, and the ratio of reactants, all of which are related to the quality of the product.
On the label, its chemical name "7-Amino-4-Hydroxynaphthalene-2, 8-Disulfonic Acid" should be detailed, and a clear structural formula should be attached to make it clear to the reader at a glance. In the product parameters, the purity must meet specific standards, and the impurity content must be strictly controlled. Physical properties such as properties and solubility should also be accurately identified to help users understand their characteristics, ensure that they are properly applied in various fields, and live up to the original intention of process development.

Preparation Method

The preparation method of 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. The raw materials are often taken from naphthalene series compounds and undergo a series of steps such as sulfonation, nitrification and reduction.
First, naphthalene is used as the starting material. Under a specific temperature and pressure, sulfuric acid is used as the sulfonating agent to carry out a sulfonation reaction and introduce the sulfonic acid group. Then nitrification is carried out to obtain the intermediate containing nitro group. After the reduction step, the nitro group is converted into an amino group.
This preparation process, temperature, reaction time and the proportion of reactants are all key. Appropriate temperature can ensure the efficient progress of the reaction, and improper temperature can easily lead to side reactions. Precise control of each step can improve the purity and In the catalytic mechanism, the selection of high-efficiency catalysts can reduce the reaction activation energy, accelerate the reaction rate, optimize the overall production process, and obtain high-quality 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid products.

Chemical Reactions & Modifications

There is now a chemical substance, named 7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid. As a chemical researcher, I often study the reaction and modification of these substances.
Looking at its structure, it contains amino groups, hydroxyl groups and sulfonic acid groups, which have a great influence on its chemical properties. Amino groups are nucleophilic and are often seen in nucleophilic substitution reactions; hydroxyl groups can involve the formation of hydrogen bonds, which can improve their solubility and intermolecular interactions; sulfonic acid groups give them good water solubility.
To change its properties, under specific conditions, amino groups can be reacted with acyl chloride to form amides, which can change its polarity and reactivity. Or hydroxyl modification to adjust its hydrophilic and hydrophobic properties. The chemical change and performance improvement of this substance is really one of the important ways of chemical research, and it is hoped that more discoveries will be made in the future to promote the progress of the chemical field.

Synonyms & Product Names

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid is very important in the chemical industry. There are many other names for it, and it is often called by different names in the industry. In the past, when Fang family was exploring its characteristics and uses, they had already paid attention to many synonymous terms.
Some are famous for their chemical properties, and some are called from the application scene. Merchants are in the city, and in order to facilitate trade and circulation, they are also named commodities. All synonymous names carry the course of cognition and practice in the academic and business circles. Although the names are different, they actually refer to the same thing. This is to help people understand its properties and applications, and is of great significance in chemical research and production practices. It helps people in the industry to communicate without hindrance and promotes the research and application of this chemical.

Safety & Operational Standards

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid, this is a chemical I have been researching recently. Regarding the safety and operation specifications of this thing, it needs to be discussed in detail.
At the safe end, the first protection. When handling this thing, you need to wear special protective clothing to prevent it from dating the skin and preventing irritation and even poisoning. You must wear goggles. Your eyes are the window to your soul and should not be invaded by this chemical. Masks are also indispensable to prevent inhalation of its dust and damage to the respiratory tract.
Furthermore, there are rules for storage. When placed in a dry, cool and well-ventilated place, away from fire and heat sources. Do not co-store with oxidizing agents, alkalis, etc., to prevent dangerous chemical reactions.
As for the operating specifications, when weighing, be sure to be precise, use special instruments, and move slowly, so as not to make dust fly. When dissolving, when in a specific order, add it to the solvent slowly, while stirring constantly to promote uniform dispersion. During the reaction process, temperature, pressure and other conditions must be closely monitored, and a slight difference may cause accidents.
After the experiment is completed, the residue should not be discarded at will. It needs to be handled properly according to the prescribed procedures to avoid polluting the environment.
These are all important principles for the safety and operation of 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid. We researchers must abide by them carefully to ensure the smooth operation of the experiment and the safety of ourselves and the environment.

Application Area

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid, this compound has a wide range of uses. In the field of dyeing and weaving, it can be used as a dye intermediate, and the dye aid is rich in color and has good fastness. When printing and dyeing, with its characteristics, the color of the fabric is bright and long-lasting, and it does not fade over time.
It is also valuable in the pharmaceutical and chemical industry. It can be used as a raw material for the synthesis of specific drugs, participating in the construction of pharmacological active ingredients, which has the potential to help in the treatment of diseases. Its unique structure can be combined with specific targets in organisms to exert corresponding medicinal effects.
It is also an important reagent in scientific In chemical analysis, it can be used for the qualitative and quantitative detection of certain substances, and its reaction characteristics can be used to clarify the composition and content of substances, providing key support for scientific research progress.

Research & Development

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid is an important object of chemical research. I have been studying it for a long time. At the beginning, explore its molecular structure, analyze the wonder of its atomic arrangement, and know the secret of chemical bonding. Then, observe its physical and chemical properties, and know its dissolution and reaction state in different media.
Study the method of its synthesis, and through various attempts, improve the old system, hope to increase its yield and improve its quality. Although the process is difficult and has suffered repeated setbacks, I dare not slack off.
Looking at its application field, it has considerable effects in dyes, medicine and other industries. In dyes, it can exude brilliant colors and has good color fastness; in medicine, it may have unique pharmacology, which brings new opportunities for disease treatment.
I am convinced that with the deepening of research, this substance will be able to shine in more fields, making outstanding contributions to scientific and technological progress and improvement of people's livelihood.

Toxicity Research

7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid Toxicity Study
The nature of smelling things, there are good and evil, in chemical substances, the study of toxicity is the key. Today, in terms of 7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid, the study of its toxicity must not be ignored.
Study the toxicity of this thing, and observe its effect on life. Or try insects, fish, birds and beasts, and observe the changes in their behavior, growth, and reproduction. If you apply insects, observe their crawling, eating, and survival to understand their harm. As for birds and beasts, observe their mental, dietary, and visceral states.
It is also necessary to study the impact of this thing on the environment. It is scattered in water and soil, observing the life of vegetation and the quality of water and soil. Entering rivers, observing aquatic things and the transformation of water quality.
Furthermore, explore the relationship between it and people. People touch it, eat it, and suck it, and the harm they suffer should be investigated in detail. Understanding the depth and speed of its poison is the foundation of protection.
In short, the toxicity of 7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid is related to life, environment, and human safety, and should not be ignored.

Future Prospects

Today's View 7 - Amino - 4 - Hydroxynaphthalene - 2,8 - Disulfonic Acid This product is really a treasure of chemical industry. It has extraordinary potential in the fields of printing and dyeing and medicine.
Although the world's understanding of it is still limited, I am convinced that with time, it will be able to shine. In the future, with the deepening of research and exploration, it may emerge in the creation of new drugs, contributing to the treatment of diseases and diseases; or it may find a unique way in the presentation of fabric colors, so that the art of printing and dyeing will take it to the next level.
There may be thorns in the road ahead, but we chemical researchers must uphold our perseverance and move forward unremittingly. In the coming days, we will surely be able to witness this thing blossom and bear fruit in various fields, creating brilliance and living up to our expectations for the future.

Frequently Asked Questions

7-Amino-4-Hydroxynaphthalene-2, what is the chemical structure of 8-Disulfonic Acid?

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid, its chemical structure is as follows:
This compound uses the naphthalene ring as the core structure. The naphthalene ring is composed of two fused benzene rings, which have unique aromaticity and chemical stability.
is connected to the 7 position of the naphthalene ring with an amino group (-NH2O). The nitrogen atom in the amino group is covalently bonded to the carbon atom of the naphthalene ring, and the lone pair electrons on the nitrogen atom can participate in many chemical reactions, making it exhibit certain alkalinity and nucleophilicity.
is connected to a hydroxyl group (-OH) at the 4 position of the naphthalene ring. The oxygen atom in the hydroxyl group is connected to the carbon atom of the naphthalene ring. Due to the high electronegativity of the oxygen atom, the hydroxyl group can change the electron cloud distribution of the naphthalene ring and enhance the electron cloud density at a specific position of the naphthalene ring. At the same time, the hydroxyl group can participate in the formation of hydrogen bonds, which has a significant impact on the physical and chemical properties of the compound, such as improving the solubility in polar solvents.
And at the 2nd and 8th positions of the naphthalene ring, there are sulfonic acid groups (-SOH) respectively. The sulfonic acid group is a strong acidic group, which is connected by a sulfur atom to three oxygen atoms. One oxygen atom is connected to the sulfur by a double bond, and the other two oxygen atoms each have a negative charge. By combining with c The introduction of sulfonic acid groups greatly enhances the acidity of the compound, enabling it to ionize hydrogen ions in water, exhibiting good water solubility and ionic properties.
In summary, 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid has unique chemical and physical properties due to the interaction of naphthalene rings, amino groups, hydroxyl groups and sulfonic acid groups, and has important applications in many fields such as dyes and medicine.

7-Amino-4-Hydroxynaphthalene-2, What are the main uses of 8-Disulfonic Acid?

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid, this substance has a wide range of uses. In the dye industry, it plays a pivotal role and is a key intermediate for the synthesis of many high-quality dyes. Through delicate chemical reactions, dyes with colorful and good fastness can be derived from this base, which are widely used in the field of textile printing and dyeing, making fabrics colorful and lasting.
In addition, in the field of pharmaceutical and chemical industry, it also plays a unique role. With its special chemical structure, it can participate in some drug synthesis processes and contribute to the creation of new specific drugs. At the same time, in some biological activity studies, it also acts as an important chemical reagent to help researchers deeply explore the complex chemical mechanisms in organisms.
In the photosensitive material manufacturing industry, 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid is also indispensable. It can optimize the properties of photosensitive materials, improve sensitivity and imaging clarity, thus laying a solid foundation for the development of photography and printing industries.
In addition, in the preparation of some fine chemical products, its traces can also be found, which contributes to the improvement of product performance and quality. In short, 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid has important application value in many industrial fields, promoting the continuous development and progress of related industries.

7-Amino-4-Hydroxynaphthalene-2, What are the physicochemical properties of 8-Disulfonic Acid

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid, this is an organic compound with unique physical and chemical properties. Its properties are often solid, but the specific form may vary depending on the preparation and purification method.
In terms of solubility, the substance may have some solubility in water. Because there is a sulfonic acid group in the molecule, this is a hydrophilic group, which can form hydrogen bonds with water molecules, thereby increasing its solubility in water. However, its solubility may be affected by temperature. Usually, when the temperature increases, the solubility will also increase accordingly.
When it comes to stability, under general conditions, 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid is relatively stable. However, when encountering specific chemical substances such as strong acids, strong bases or strong oxidants, chemical reactions may occur, causing molecular structure changes. For example, in a strong acid environment, amino groups or protonation; under strong bases, hydroxyl groups may undergo deprotonation reactions. And strong oxidants may oxidize some groups in the molecule, affecting its chemical properties.
Furthermore, the compound has certain reactivity due to the presence of functional groups such as amino groups and hydroxyl groups. Amino groups can participate in acylation, alkylation and other reactions, and hydroxyl groups can also participate in esterification and other reactions. These reactive activities provide many applications in the field of organic synthesis, which can be used to prepare various functional materials or pharmaceutical intermediates.
The physicochemical properties of 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid are rich and diverse, showing different characteristics under different conditions, and have important application value in many fields.

7-Amino-4-Hydroxynaphthalene-2, 8-Disulfonic Acid What are the precautions in the production process

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid is very important to pay attention to in the production process.
First, the quality of the raw materials should be strictly observed. The purity and stability of the raw materials are related to the quality of the products. Choose the best and stable raw materials to be a good foundation for production. If the raw materials are mixed, or the reaction is wrong, the product is impure, and the quality is difficult to meet the standard.
Second, the reaction needs to be carefully controlled. Temperature, pH value, and reaction time are all critical. High temperature may promote the reaction speed, or it may cause side reactions to occur, and the yield and purity of the product are affected. If the pH value is improper, the reaction may be slow or even stagnant. When precisely controlled, the reaction can be guaranteed to be just right, and the disadvantages of excess or insufficiency can be avoided.
Furthermore, the maintenance and cleanliness of the equipment cannot be ignored. The equipment is good, and the reaction is smooth. Regularly inspect and repair the equipment to prevent failures. And the equipment is unclean, mixed into the reaction, and contaminated products.
Repeat, the operator's skills and regulations are also heavy. The operator should be familiar with the process and follow the regulations. Misuse or lead to safety hazards, and also damage the production of substances.
In addition, the safety measures must be prepared. This compound may be toxic or corrosive, and it must be protected during operation. The compliance of exhaust gas, liquid and solid, and the environment and human safety.
In the end, the prosecution system should be perfected. In all stages of production, strict inspection of products, real-time parameter adjustment, to ensure that products are always of high quality. These numbers are all important for the production of 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid, and must not be slack.

7-Amino-4-Hydroxynaphthalene-2, what is the market outlook for 8-Disulfonic Acid?

7-Amino-4-hydroxynaphthalene-2,8-disulfonic acid, which has a special status and prospect in today's chemical industry.
In the past, when the chemical industry was at its infancy, the research of many materials was still in ignorance. At that time, there was little understanding of such fine chemicals, and their preparation process was also crude. However, with the passage of time, science and technology have advanced day by day, and chemical experts have worked hard and worked tirelessly.
In recent times, with the advancement of organic synthesis technology, the preparation of 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid has gradually matured. In the dye industry, it can be called a key raw material. With its fresh and long-lasting color, it is favored by dyeing workshop craftsmen, who use it to enhance the color of fabrics and create colorful beauty.
And in the field of pharmaceutical research and development, it has also emerged. Because of its unique chemical structure, it can provide a delicate foundation for the creation of new pharmaceuticals. Pharmacologists use this as an opportunity to search for a cure for diseases.
Furthermore, in material science, this acid has been cleverly modified to endow materials with special properties, such as enhancing its stability and enhancing its adsorption force. Therefore, in scientific research institutes and material workshops, it is regarded as an important corner of research and development.
Looking at its market, opportunities and challenges coexist. On the one hand, with the vigorous development of various related industries, the demand for it is increasing day by day, and the market prospect is like a splendid picture, slowly spreading out. On the other hand, the competition among peers is fierce. If you want to take the lead in the market, you need to strive for excellence in quality and budget carefully in cost.
Therefore, although 7-amino-4-hydroxynaphthalene-2,8-disulfonic acid has a long way to go, with its own excellent performance, if you can grasp the current situation, repair the process diligently, and expand the market, you will be able to stand tall and bloom in the forest of chemical industry.