2-Amino-5-Hydroxy-1,7-Naphthalenedisulfonic Acid

Lingxian Chemical

Specifications

HS Code	466573
Chemical Formula	C10H9NO7S2
Molecular Weight	333.31
Appearance	Solid (usually a powder)
Solubility In Water	Soluble to some extent
Ph Aqueous Solution	Acidic
Melting Point	Data might vary, typically organic solid melting range
Boiling Point	Decomposes before boiling
Density	Specific density value (data needed from reliable source)
Stability	Stable under normal conditions, but may react with strong oxidants
Hazard Class	Corrosive (may cause skin and eye irritation)

Packing & Storage

Packing	25 kg bags for packaging 2 - Amino - 5 - Hydroxy - 1,7 - Naphthalenedisulfonic Acid.
Storage	2 - Amino - 5 - Hydroxy - 1,7 - Naphthalenedisulfonic Acid should be stored in a cool, dry place, away from direct sunlight and heat sources. Keep it in a well - sealed container to prevent moisture absorption and contact with air, which could lead to chemical reactions or degradation. Store it separately from incompatible substances to avoid potential hazards.
Shipping	2 - Amino - 5 - Hydroxy - 1,7 - Naphthalenedisulfonic Acid is shipped in well - sealed containers, compliant with chemical transportation regulations. Special care is taken to prevent spillage and ensure safe transit due to its chemical nature.

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2-Amino-5-Hydroxy-1,7-Naphthalenedisulfonic Acid

General Information

Historical Development

2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid, the development of this compound has a long history. In the past, chemists worked diligently on the way of material exploration. Since the beginning of organic chemistry, many scholars have paid attention to the characteristics of naphthalene derivatives.
At that time, science and technology were not as developed as they are today, and research methods were quite limited, but everyone relied on their determination to gradually analyze the structure of such substances. After countless experiments, trials and errors, 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid was known.
Initially, only some of its chemical properties could be vaguely identified. Later, with the advancement of technology, spectroscopy, chromatography, and other methods, the understanding of its structure and properties became more accurate, laying the foundation for its subsequent application in chemical, pharmaceutical, and other fields.

Product Overview

2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid is also a chemical that I have dedicated myself to studying. This product has unique properties and takes on the appearance of [specific color and shape]. It has extraordinary characteristics in the field of chemistry. In the reaction, it is often used for [specific functions] and participates in various delicate combinations.
The method of its preparation is quite elegant. Through [brief preparation steps], careful handling can lead to this good product. And the purity of this product is related to the final effect, so when preparing, all links are strictly controlled.
2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid is widely used in many industries. In [enumerated industry 1], it helps to improve its [specific efficacy 1]; in [enumerated industry 2], it also plays a key role in promoting its smooth process and quality improvement. It is an indispensable and important substance in the field of chemistry, with broad prospects and worthy of in-depth investigation.

Physical & Chemical Properties

September 17, 2024, 2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid, the physical and chemical properties of this substance are quite critical. Its appearance is often specific, or crystalline, and its color is also characteristic. In terms of solubility, it has unique performance in some solvents, and the dissolution in water and organic solvents varies. In terms of thermal stability, experimental observations show that its properties are relatively stable within a specific temperature range, but it exceeds a certain critical temperature, or decomposes. Its chemical activity also follows rules. Under specific chemical reaction conditions, it can react with many reagents to form new compounds. Exploring its physical and chemical properties is of great significance for its application in the fields of chemical industry and materials, and can provide important theoretical basis and practical guidance for the development of related industries.

Technical Specifications & Labeling

Today there is a thing called 2 - Amino - 5 - Hydroxy - 1,7 - Naphthalenedisulfonic Acid. The preparation of this product involves many methods. The temperature and speed must be controlled according to the precise formula, so that the materials are suitable and the reaction is orderly.
In view of its quality, when the appearance is clearly observed, the color purity and quality are uniform. Measuring its content, it must be accurate, and the impurities must be minimal. And the stability is also heavy, and it can be observed in different environments.
The technical specifications and labels (commodity parameters) of this product are the criteria for production and application. According to the rules of the ancient law, strictly abide by its requirements, in order to produce good products for the needs of all parties and live up to expectations.

Preparation Method

This product of 2 - Amino - 5 - Hydroxy - 1,7 - Naphthalenedisulfonic Acid is prepared as follows: Prepare raw materials, with naphthalene as the base, supplemented by sulfonic acid, nitric acid and other agents. When preparing, first sulfonate the naphthalene to obtain naphthalene sulfonic acid, followed by nitration, through these two steps, the nitro-containing naphthalene sulfonic acid can be obtained.
Then, return the product. Using iron powder, hydrochloric acid, etc. as agents, at appropriate temperature and pressure, the nitro group is converted to an amino group to form an amino-containing naphthalene sulfonic acid.
At the end, acidification is carried out. 2 - Amino - 5 - Hydroxy - 1, 7 - Naphthalenedisulfonic Acid is obtained by using sulfuric acid and other acid agents to control temperature and time. The process of this system requires careful control of conditions in each step to ensure the quality and quantity of the product.

Chemical Reactions & Modifications

In modern times, chemistry has flourished, and the study of the properties and changes of various things has become more and more refined. Today there are 2 - Amino - 5 - Hydroxy - 1,7 - Naphthalenedisulfonic Acid, which has been studied by chemists of our generation for years.
Its chemical reaction was initially based on conventional methods, but it failed to achieve results. Then think about the way of change, consider the structure of its molecules, and explore the wonder of bonding. Or change the temperature of the reaction, or adjust the nature of the medium, hoping for a new turning point.
Looking at the change of its chemistry is like seeking the way in the past, the road is blocked and long. However, uphold the heart of research and explore unremitting. Every slight change in the reaction is to find the way to optimization. It is the ambition of my chemist to understand the profound meaning of its chemistry and make this substance perform better and be widely used in various fields.

Synonyms & Product Names

2 - Amino - 5 - Hydroxy - 1, 7 - Naphthalenedisulfonic Acid, so it is a special product name.
The same name, or the same name, refers to the same thing. As in the ancient books, there are also different expressions, which are all the same. And the trade name, the name given by the merchant.
The merchant wants to make this product available to the market and to others, so he created a special trade name. However, the same name or trade name, all refer to this specific product 2 - Amino - 5 - Hydroxy - 1, 7 - Naphthalenedisulfonic Acid. Workers need to identify the names in order to benefit from research, transactions, etc., in order to promote the progress of the chemical industry.

Safety & Operational Standards

Specifications for safety and operation of 2-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Fu 2-amino-5-hydroxy-1,7-naphthalenedisulfonic acid is an important substance for chemical research. If you want to use this product, you must first clarify its safety and operation specifications.
First word safety. This product may have certain chemical activity, and must be strictly protected when in contact. When handling, wear protective clothing, goggles and gloves to prevent it from touching the skin and entering the eyes. If you accidentally touch it, rinse it with plenty of water as soon as possible, and seek medical attention in serious cases. And its storage should be placed in a cool, dry and ventilated place, away from fire sources and oxidants to prevent danger.
Second discussion on operating specifications. Before the experiment, it is necessary to study the process in detail and be familiar with the steps. When weighing, use a precise device and take it according to the amount. Dissolve the solution, stir it moderately, control the temperature properly, and do not overreact. After the experiment, properly dispose of the residue. Do not discard it at will. Recycle or dispose of it according to regulations to protect the environment.
Anyone who handles this object should follow these safety and operating norms, so as to ensure the smooth experiment, the safety of personnel and the environment.

Application Area

2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid is used in many fields. In the dyeing and weaving industry, it can be used as a raw material for dye synthesis. With its special structure, it can generate bright and fastness dyes, making fabrics colorful and lasting. In the field of medicine and chemical industry, it may be an intermediate for some drugs. After chemical modification and transformation, it is expected to develop new drugs to treat various diseases. And in scientific research and exploration, because of its unique chemical properties, it can provide assistance for research in materials science and other fields, helping researchers to explore better material properties. From this point of view, 2 - amino - 5 - hydroxy - 1,7 - naphthalenedisulfonic acid in the application field prospects are quite broad, it is worth further study compounds.

Research & Development

In the field of chemical industry, new products have emerged one after another. Today, there are 2-Amino-5-Hydroxy-1,7-Naphthalenedisulfonic Acid, which is a good product that we have studied with great dedication.
Begin to study this product, observe its properties, explore its structure, analyze its characteristics, and clarify its essence. After cold and heat, repeated tests, striving for accuracy. At the beginning, there were many difficulties and complicated data, but we never gave up.
Knowing its nature, we thought about applying it. In the industry of dyes, it is expected to add color and make the color gorgeous and lasting; in the process of medicine, it may lay the foundation for the creation of new drugs and benefit patients.
Looking at this product today, the potential is unlimited. We should continue the past and forge ahead, explore unremitting, and hope to fully demonstrate its advantages. For the development of chemical industry and the well-being of the world, we will do our best to promote it to flourish and achieve a long-term career.

Toxicity Research

Today, there is a chemical called "2 - Amino - 5 - Hydroxy - 1,7 - Naphthalenedisulfonic Acid". As a poison researcher, I will explore its toxicity.
To observe this substance, its structure is unique, but the toxicity is unknown, so it needs to be observed in detail. During the experiment, various biological samples were taken and applied to this substance. Observe its reaction, observe its changes, and find out the strength of its toxicity and the mechanism of its toxicity.
After repeated experiments, we have the first clue. This substance may cause changes in biochemical reactions in organisms, affecting the metabolism and function of cells. Its toxicity may be related to the ability of organs and cause physiological abnormalities. However, if we want to clarify its details, we still need to widely collect data and conduct in-depth research and analysis. We hope to be able to fully understand its toxicity, thinking that it is the basis for protection and application, avoiding disasters in the future, and benefiting the world.

Future Prospects

In today's world, science and technology are advancing day by day, and in the research of chemical products, I also have an infinite prospect. Today there is 2-Amino-5-Hydroxy-1, 7-Naphthalenedisulfonic Acid, which is one of the chemical products.
My generation researched it, hoping to expand its use in the future. Or it can be used in fine chemicals to make products more sophisticated; or it can be used in pharmaceutical research and development to find new ways to cure diseases. Its unique nature, if you study it well, you will be able to shine.
Although the road ahead may be difficult, we researchers have great ambitions and are not afraid of obstacles. Looking forward to the future, we can fully explore the potential of this product, use it for the world, and benefit all people. This is our ambition for the future.

Frequently Asked Questions

What are the chemical properties of 2-Amino-5-Hydroxy-1, 7-Naphthalenedisulfonic Acid

2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid is an organic compound with important uses in many fields of chemistry.
This compound has acidic properties. Because it contains sulfonic acid groups, it can dissociate hydrogen ions in water and is acidic. Its acidity is conducive to participating in many chemical reactions and plays a key role in some acid-base neutralization reactions or catalytic reactions.
From the perspective of molecular structure, the naphthalene ring gives it certain stability and rigidity, and the presence of amino and hydroxyl groups greatly enriches its chemical activity. Amino groups are nucleophilic and can participate in nucleophilic substitution reactions, such as reacting with electrophilic reagents such as halogenated hydrocarbons to form new carbon-nitrogen bonds, thereby introducing different functional groups to expand the chemical diversity of compounds. Hydroxyl groups also have active chemical properties, which can not only participate in esterification reactions and react with organic acids to form ester compounds; they can also undergo oxidation reactions under appropriate conditions and be converted into other functional groups such as aldehyde groups and carboxyl groups.
Furthermore, the presence of two sulfonic acid groups not only enhances its water solubility, but also affects the charge distribution and spatial structure of molecules. The enhanced water solubility makes the reaction of the compound in the aqueous phase system more convenient. This property is crucial in some situations where a homogeneous reaction environment is required. At the same time, the sulfonic acid group is negatively charged and can interact with cations or positively charged groups electrostatically, which plays a key role in ion exchange, complexation and other processes.
2-amino-5-hydroxy-1,7-naphthalene disulfonic acid is widely used in dyes, drug synthesis, organic synthesis intermediates and other fields due to its unique chemical properties, making great contributions to the development of the chemical industry.

2-Amino-5-Hydroxy-1, what are the main uses of 7-Naphthalenedisulfonic Acid

2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid, an important member in the field of organic compounds, is widely used in industry and scientific research.
Bearing the brunt, it plays a pivotal role in the field of dye synthesis. Due to its unique chemical structure, Gai can be used as a key intermediate, and through a series of chemical reactions, colorful dyes can be derived. By fine regulation and modification of its structure, dyes that meet a variety of needs can be precisely created, such as bright colors and good fastness, which show their talents in textiles, printing and dyeing and other industries, adding brilliant colors to fabrics.
Furthermore, in the field of medical chemistry, it also has extraordinary performance. It may have specific biological activities and can become the cornerstone of the development of new drugs. By deeply exploring its interaction mechanism with biological macromolecules, researchers can explore its potential medicinal value, and then develop innovative drugs for specific diseases, contributing to human health and well-being.
In addition, in the field of materials science, it has also made a name for itself. With its chemical properties, it can participate in the process of surface modification of materials, endowing materials with unique properties such as corrosion resistance and hydrophilicity, broadening the application range of materials, and improving the comprehensive properties of materials.
This compound plays an indispensable role in many fields such as chemical industry, medicine, and materials. It continues to promote technological innovation and progress in various fields. The future development prospects are broad, and it is expected to generate more innovative achievements and applications.

2-Amino-5-Hydroxy-1, What is the production method of 7-Naphthalenedisulfonic Acid?

The preparation method of 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid, although the ancient book "Tiangong Kaiwu" has not detailed the preparation method of this specific compound, it can be deduced from the chemical principle and similar experience of predecessors.
In the past, the preparation of sulfonic acid compounds was often based on sulfonation reaction. To obtain this 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid, naphthalene can be taken as the starting material. Naphthalene has an aromatic structure and active chemical properties, and is often the basis for the synthesis of complex naphthalene compounds.
Naphthalene is sulfonated with concentrated sulfuric acid or fuming sulfuric acid as sulfonating agent. The concentration of the sulfonating agent, the reaction temperature and time are all key factors. The temperature is controlled in a suitable range. If the temperature is too low, the reaction is slow and the yield is not high; if the temperature is too high, it is easy to cause excessive sulfonation and form polysulfonic acid by-products. After fine regulation, naphthalene derivatives containing sulfonic acid groups can be obtained.
Then, for the introduction of amino groups, or nitrification reduction method can be used. The sulfonated naphthalene derivatives are nitrified with a mixed acid of nitric acid and sulfuric acid to obtain a nitro-containing intermediate. Nitro is reduced, and reducing agents such as iron powder, zinc powder and hydrochloric acid are used to convert nitro groups into amino groups.
As for the introduction of hydroxyl groups, nucleophilic substitution reactions can be used. With appropriate nucleophilic reagents, react with intermediates under suitable conditions to generate hydroxyl groups at specific positions.
After each step of the reaction is completed, the product needs to be separated and purified. According to the physical and chemical properties of the product and impurities, crystallization, distillation, extraction and other methods can be used to obtain pure 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid. Although this method is not detailed in ancient books, it can be prepared according to chemical principles and traditional synthesis methods.

2-Amino-5-Hydroxy-1, 7-Naphthalenedisulfonic Acid What are the precautions during storage

When storing 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid, there are a number of important things to pay attention to.
First, it is necessary to choose a dry place. If this substance is placed in a humid place, it is prone to moisture and deterioration. Due to moisture or chemical reactions caused by it, the quality is affected. Such as ancient treasures, it is also known to choose a dry place to keep it for a long time.
Second, temperature is also critical. It should be stored at a suitable temperature, not too high or too low. If the temperature is too high, it may accelerate the decomposition of this acid; if the temperature is too low, it may cause its morphology to change, which will affect subsequent use. Just like the ancients hid ice in winter and used it in summer. Know the effect of temperature on things.
Third, avoid contact with oxidants. This acid has a certain chemical activity, and it is easy to react violently or cause danger when it encounters oxidants, and it also damages its own properties. Although the ancient chemical operation is simple, it is also known that different substances cannot be mixed at will.
Fourth, storage containers should be properly selected. Use corrosion-resistant containers, such as glass or specific plastic materials, to prevent the container from reacting with acid and causing the substance to be contaminated. In ancient wine storage, choose ceramic containers to prevent mutual interference between objects and utensils.
Fifth, it must be clearly marked. Mark the name, characteristics, date, etc. of the substance at the storage place for access and management to avoid the risk of misuse. Ancient storage is also often marked to show its class. Only by paying attention to everything in this way can the quality of 2-amino-5-hydroxy-1,7-naphthalenedisulfonic acid be guaranteed during storage.

2-Amino-5-Hydroxy-1, 7-Naphthalenedisulfonic the market outlook for Acid

2-Amino-5-hydroxy-1,7-naphthalene disulfonic acid is used in the chemical industry, and its market prospect is related to many factors.
In the past, this compound was very important in the field of dye manufacturing. With its unique chemical structure, it can be made into bright and fastness dyes, which are widely used in the textile printing and dyeing industry. Therefore, the market demand for it was quite stable at that time.
However, today is different from the past, and the market situation has changed. First, the concept of environmental protection is prevalent, and the textile printing and dyeing industry is facing strict environmental regulations. The production of some traditional dyes using 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid as raw materials is quite limited due to pollution issues. Companies need to invest heavily in environmentally friendly treatment or explore green alternatives, which may lead to a decline in demand for this compound.
Second, the progress of science and technology also affects its market. New dyes and dyeing technologies continue to emerge. Some new dyes do not require this compound, but can achieve similar or even better dyeing effects, and are more suitable for environmental protection requirements, which will undoubtedly seize their market share.
However, its prospects are not entirely bleak. In some specific high-end dye fields, the unique properties of 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid are still irreplaceable. Such as special textile dyeing with extremely high requirements for color and fastness, it may still be the key raw material.
Furthermore, with the deepening of scientific research, if green and efficient production processes can be developed, reducing the pollution of the production process, or exploring its application in new fields, such as biomedicine, electronic materials, etc., its market prospects may be revived.
Overall, 2-amino-5-hydroxy-1,7-naphthalene disulfonic acid is currently facing environmental protection and new technological challenges, but there are also opportunities. The future market trend depends on whether the industry can break through the dilemma and open up new opportunities.