1-Amino-8-Naphtalenesulfonic Acid

Lingxian Chemical

Specifications

HS Code	200437
Chemical Formula	C10H9NO3S
Molar Mass	223.25 g/mol
Appearance	White to light yellow crystalline powder
Solubility In Water	Soluble
Pka Value	Around 3.45
Melting Point	275 - 280 °C
Density	1.49 g/cm³
Odor	Odorless
Stability	Stable under normal conditions

Packing & Storage

Packing	1 - Amino - 8 - Naphtalenesulfonic Acid packaged in 1 - kg bags.
Storage	1 - Amino - 8 - Naphthalenesulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and oxidizing agents. Store in a tightly closed container to prevent moisture absorption and contamination. Separate it from incompatible substances to avoid chemical reactions. Follow proper safety regulations for storage.
Shipping	1 - Amino - 8 - Naphtalenesulfonic Acid is shipped in well - sealed, corrosion - resistant containers. Handling follows strict chemical safety protocols. Shipments are carefully monitored to maintain stability during transit, ensuring safe delivery.

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General Information

Historical Development

1-Amino-8-naphthalenesulfonic acid, the development of this compound has gone through years of changes. In the past, chemical research was just beginning, but the analysis of organic compounds was still shallow. Until a certain time, some intelligent people accidentally discovered this unique substance in complex experiments.
At that time, the experimental conditions were simple and the equipment was crude, but the researchers tried it repeatedly with perseverance. At first, only a small amount of product could be obtained, and there were many impurities.
Over time, the technology was progressive, the experimental equipment was improved, and the understanding of the reaction mechanism was deepened. Everyone worked tirelessly to optimize the process, and the purity and yield of the product were significantly improved.
Since its birth, 1-amino-8-naphthalenesulfonic acid has been gradually used in many fields such as dyes and medicine, which is a key achievement in the development of chemistry.

Product Overview

1 - Amino - 8 - Naphtalenesulfonic Acid is a particularly important chemical substance. Its unique properties are white to light gray powder, with certain solubility in water and alcohols.
This compound is widely used in the chemical industry. In the manufacture of dyes, it can be called a key raw material. Through a specific chemical reaction path, it can be converted into a variety of colorful dyes, which can be used in the dyeing process of fabrics and many other materials, giving it colorful colors.
In the field of pharmaceutical research, it is also gradually showing its important value. Its structural properties may provide unique ideas and opportunities for the research and development of new drugs. However, its research and application process still needs to be carefully explored and tried and tested to ensure its safety and effectiveness.
Although this substance has a wide range of uses, it should also pay attention to safety regulations when using and storing it. Because it has certain chemical activity, improper operation or accidents, it needs to be treated with a rigorous and scientific attitude.

Physical & Chemical Properties

1-Amino-8-naphthalenesulfonic acid is also a chemical substance. Its properties are both physical and chemical. Physical, often low, white or nearly white, solid powder, slightly special taste. Melting is specific, this characteristic is especially important for the preparation and determination. Its solubility in water depends on the degree of solubility, and the high solubility is increased.
The solubility of the amino group is low, and it can be formed by acid reaction; the sulfonic acid group is acidic and can be neutralized. These two give it the possibility of multiple reactions in the synthesis. Can be used for the synthesis of medium, dyes, and other substances. Its chemical activity, due to the characteristics of molecular chemistry, has an important position in chemical research and engineering.

Technical Specifications & Labeling

1-Amino-8-naphthalenesulfonic acid is also one of the chemical products. Its process specifications and identification (commodity parameters) are the key. The process specifications are related to the precise selection of raw materials, the accuracy of the ratio, and the temperature, humidity, and duration of the reaction. If the raw material is selected, it must be pure, and the impurities remain for a while, or cause changes in quality. During the reaction, high temperature will cause rapid disease, but it may produce side effects; low temperature will be slow, and it will be difficult to achieve good conditions.
As for the logo, when it is clear that its properties, white or yellowish powder, and slightly sour taste, it should be noted in detail. The number of double labels depends on the purity, and the amount is related to its use. And the words of warning, because it may be corrosive, touch the skin, smell the damage to the body, so that the user should be careful. In this way, the process specifications and labels are appropriate, and 1-amino-8-naphthalenesulfonic acid can be optimized for all uses.

Preparation Method

The preparation method of 1-amino-8-naphthalenesulfonic acid is related to the raw material and production process, reaction steps and catalytic mechanism.
Preparation of this product, naphthalene is used as the initial raw material. First, the naphthalene is sulfonated, and the mixture of naphthalenesulfonic acid isomers is obtained by interacting with sulfuric acid at a specific temperature. The key lies in the control of temperature. If it is too high, there will be many side reactions, and if it is too low, the reaction will be slow.
Then, the obtained naphthalenesulfonic acid is aminolyzed under specific conditions. A suitable catalyst needs to be selected During ammoniolysis, pressure and temperature are also key points, and precise regulation can make the reaction proceed efficiently in the direction of generating 1-amino-8-naphthalenesulfonic acid.
The reaction steps are rigorous and the proportion of raw materials is accurate. Each step needs to be carefully monitored, and the parameters are fine-tuned according to the reaction situation to ensure the purity and yield of the final product. In this way, 1-amino-8-naphthalenesulfonic acid can be prepared.

Chemical Reactions & Modifications

The chemical modification of 1-amino-8-naphthalenesulfonic acid is the most important research. Past research on this compound requires in-depth analysis of its reverse path and modification method.
As far as chemical reaction is concerned, many reactive components, such as degree, catalysis, etc., all affect its reverse process. Under different reactive components, 1-amino-8-naphthalenesulfonic acid exhibits different reactive properties. Or different compounds are produced, or the reactive rate is different.
and modification are designed to improve its properties. Or increase its quality, or change its solubility. By chemical means, such as the introduction of specific groups, can effectively achieve this purpose. Modified 1-amino-8-naphthalenesulfonic acid may have more application prospects in multiple domains. Therefore, the study of its chemical and reverse modification can promote the development of the chemical field and expand the application of this compound.

Synonyms & Product Names

1-Amino-8-naphthalenesulfonic acid, also known as naphthalenine acid. Its names are different, all refer to the same thing. Naphthalenine acid is quite important in the field of chemical industry.
or called peripheral acid, this is one end of the alias. Although its name is unique, it actually refers to this chemical product. The name of peripheral acid is also commonly heard in the industry.
It is also called 1-amino-8-sulfonic acid naphthalene, although the text expression is different, but it refers to the same thing. All are 1-Amino-8-Naphtalenesulfonic Acid involved in chemical research and production. It is widely used in the chemical industry and has important value in many fields such as dyes and medicine. It is an indispensable substance for chemical research.

Safety & Operational Standards

1-Amino-8-naphthalenesulfonic acid is also a product of chemical reaction. It is crucial to the safety and operation standards of this substance and should not be ignored.
All handling of this substance involves the operator must first understand its nature. 1-Amino-8-naphthalenesulfonic acid, sexual or sensitive, be careful when operating. Do it in a well-ventilated place, do not allow gas to accumulate, in case of accident. If the skin touches it, rinse it with water immediately, then wash it with soap, and if the situation is serious, seek medical attention. If it enters the eye, also use water to buffer it quickly, rinse it for a long time, and then seek medical treatment.
The utensils used in the operation must be clean and finished, and they must be stored after use. This thing should be stored in cool, dry, and dark places, avoiding fire and heat, and should not be mixed with other things to prevent it from changing.
Use this thing as a test, the quantity must be accurate, the law must be accurate, follow the rules, and do not make your own decisions. If there is an overflow during the operation, quickly collect the residue, and clean it with a cleaning agent, so as not to leave it outside or cause harm to the environment.
Furthermore, the operator must wear suitable clothes, wear gloves, and goggles to protect himself. If there is any carelessness, causing the object to leak, quickly implement emergency measures to ensure people's peace and tranquility.
In short, the safety and operating standards of 1-amino-8-naphthalenesulfonic acid should be engraved in the heart of the operator, and everything should be followed to ensure safety. This is the foundation of the chemical industry and cannot be forgotten.

Application Area

1-Amino-8-naphthalenesulfonic acid, this chemical has a wide range of uses. In the field of printing and dyeing, it is often used as a dye intermediate. Due to its unique structure, it can undergo a series of reactions to produce many dyes with bright colors and good fastness, making the fabric dyeing effect outstanding, the color is firm and not easy to fade.
It also has important value in medical research. Some compounds synthesized from 1-amino-8-naphthalenesulfonic acid have been found to have specific biological activities after research, or can be used to develop new drugs, providing the possibility to overcome difficult diseases.
In addition, in some industrial production links, it can be used as a catalyst or auxiliary to help optimize the reaction process, improve production efficiency and product quality. Therefore, 1-amino-8-naphthalenesulfonic acid occupies a key position in many application fields and is of great significance to promote the development of related industries.

Research & Development

I have been researching 1 - Amino - 8 - Naphtalenesulfonic Acid for a long time. This compound is unique in nature and has a wide range of uses. At first, I studied its physicochemical properties in detail, analyzed its molecular structure, and hoped to clarify its essence. Then, I explored the method of its preparation. After many trials and errors, I found a better way to improve the yield and purity.
In the research, I also consider its extended application. This compound can be used as a dye intermediate in the dyeing and weaving industry to increase the brilliance of color and stabilize its color. In the field of medicine, it may have potential effects. To be carefully studied pharmacology, I hope it can be helpful for treating diseases.
I will continue to study, deepen my understanding, and hope to make more achievements, so that this compound can be widely used in various fields to promote the progress of the industry and the prosperity of science and technology.

Toxicity Research

In recent years, I have studied the toxicity of chemicals, especially 1-Amino-8-Naphtalenesulfonic Acid. It is a commonly used raw material in the chemical industry and is widely used in various industries.
At the beginning, check its physicochemical properties, observe its color, smell, and solubility. After animal testing, different doses were administered to observe its physiological changes and behavioral differences. And analyze the way it enters the body and metabolizes it, and observe the scars and harm it leaves on the organs.
After months of research, it was found that it has certain toxicity. Although the amount is small, the organism has no obvious disease; however, if the amount exceeds, it will damage its liver and kidney, and disrupt its immunity. And this thing is also difficult to degrade in the environment, and the accumulation is increasing, which may be an ecological disaster.
My intention, those who use this thing must be cautious, set strict regulations and limits, and study good methods to deal with it, so as to ensure the safety of people and the environment.

Future Prospects

I try to research this thing 1 - Amino - 8 - Naphtalenesulfonic Acid. Looking at its properties, it has extraordinary quality and can be expanded in various fields.
Although it is in the process of research now, but looking forward to the future, it will be widely used. In the field of chemical industry, it can be the foundation of new materials and help the performance of materials to improve; in the field of medicine, it can become the essence of special agents and add a new way to cure diseases.
I believe that with time and unremitting research, 1 - Amino - 8 - Naphtalenesulfonic Acid will shine, for the progress of the world, the blessing of people, and open up new paths and expand unlimited scenery. The future exhibition is truly promising, and it will create many surprises and possibilities for our generation.

Frequently Asked Questions

What is the chemical structure of 1 - Amino - 8 - Naphtalenesulfonic Acid?

1-Amino-8-naphthalenesulfonic acid, which is formed by the mother nucleus of naphthalene. Naphthalene, which is thick and aromatic, has the shape of benzene in a common phase. In the first position of this naphthalene nucleus, there is an amino group (-NH ²) group, which has the characteristics of an amino group, which can improve the cloud density distribution of the naphthalene and affect the chemical activity of the compound. In the eighth position of the naphthalene nucleus, there is a sulfonic acid group (-SOH), and the sulfonic acid group is very acidic, which can make the compound easily soluble in water.
In this case, naphthalene provides a planar aromatic skeleton, which allows the molecule to be qualitative and common. The nitrogen atom of the amino group is co-located with the carbon atom of the naphthalene group, and the solitary ions on the nitrogen can be reversed, such as nuclear substitution, acylation, etc. The sulfur atom of the sulfonic acid group is co-located with the three oxygen atoms of the sulfonic acid group. Among them, an oxygen atom forms an oxygen group in the atomic phase, and the whole sulfonic acid group has good water solubility, so that the compound has good water solubility, and can be filled in some reactions. In addition, the synthesis of 1-amino-8-naphthalenesulfonic acid is cleverly combined with naphthalenes, amino groups, and sulfonic acid groups, which determines its physical properties. It has shown specific uses in many fields such as synthesis and dyes.

What are the Physical Properties of 1 - Amino - 8 - Naphtalenesulfonic Acid?

1 + -Amino-8-naphthalenesulfonic acid is an important member in the field of organic compounds. This material has unique physical properties, and it is of great significance in many fields such as chemical industry.
Its appearance is often white to light yellow crystalline powder. In terms of solubility, 1 + -amino-8-naphthalenesulfonic acid exhibits a certain solubility in water, which makes it useful in reactions and applications of many aqueous systems. However, its solubility in organic solvents is relatively limited, only slightly soluble in some organic solvents such as ethanol, which also limits its application in specific organic systems.
In terms of melting point, 1 + -amino-8-naphthalenesulfonic acid has a relatively high melting point, which is a sign of material stability. The higher melting point indicates that the substance needs to reach a specific temperature to undergo physical state transition when heated, which provides a certain reference for its application in high temperature environments. For example, in some reactions or processing processes that require heat treatment, the melting point becomes a key factor to consider its applicability.
Furthermore, 1 + -amino-8-naphthalenesulfonic acid has a certain hygroscopicity. In a humid environment, it is easy to absorb moisture in the air, which in turn affects its physical state and chemical properties. This hygroscopicity requires special attention during storage and use. If it is not stored properly, it may lead to caking and other phenomena after moisture, which will affect its subsequent use performance.
In addition, 1 + -amino-8-naphthalenesulfonic acid is relatively stable in the solid state, but under specific conditions, such as strong acid, strong alkali environment or high temperature, light and other factors, its chemical structure may change, which may lead to changes in physical properties. Therefore, in practical applications, it is necessary to choose the storage and use conditions reasonably according to its physical properties in order to give full play to its performance advantages.

1 - Amino - 8 - Naphtalenesulfonic Acid in what areas?

1-Amino-8-naphthalenesulfonic acid has a wide range of uses and has its own impact in many fields.
In the dye industry, its position is pivotal. Gein 1-amino-8-naphthalenesulfonic acid has a special chemical structure and can provide a key intermediate for dye synthesis. Through delicate chemical reactions, it can be converted into a variety of dyes, which are widely used in textiles, printing and dyeing and many other processes. The dyes synthesized by it have bright colors and good fastness. The printing and dyeing of fabrics is not only eye-catching, but also durable, and is favored by the printing and dyeing industry.
In the field of medicine, 1-amino-8-naphthalenesulfonic acid has also emerged. Due to its specific chemical activity, it can participate in some drug synthesis processes. Researchers have cleverly used its characteristics to develop drugs for the treatment of specific diseases. For example, in the development of some anti-inflammatory and antibacterial drugs, 1-amino-8-naphthalenesulfonic acid is used as a key raw material to impart unique pharmacological activity to the drug, helping the drug to exert its efficacy and benefit patients.
In addition, in the field of chemical analysis, 1-amino-8-naphthalenesulfonic acid is also useful. Because of its characteristic reaction with specific substances, it is often used as an analytical reagent. Analytical chemists can accurately determine the composition and content of samples by observing the reaction phenomenon between them and samples, providing key data support for scientific research and production, and ensuring product quality and experimental accuracy.
In short, 1-amino-8-naphthalenesulfonic acid shines in many fields such as dyes, medicine, and chemical analysis due to its unique chemical properties, promoting the steady progress of various industries.

What are the preparation methods of 1 - Amino - 8 - Naphtalenesulfonic Acid?

The method of making 1-amino-8-naphthalenesulfonic acid has several ways in the past. One is to start with naphthalene, first sulfonate to obtain naphthalenesulfonic acid, and then introduce nitro groups through nitration, and then convert nitro groups to amino groups by reduction. Specifically, naphthalenes are co-heated with sulfuric acid, and under suitable temperature, duration and concentration of sulfuric acid, naphthalenesulfonic acid can be obtained. Then, naphthalenesulfonic acid is reacted with mixed acid (a mixture of nitric acid and sulfuric acid) to achieve nitrification to obtain a nitro-containing naphthalenesulfonic acid product. This product is treated with reducing agents such as iron powder, hydrochloric acid or sulfide base, and the nitro group is then reduced to an amino group, and the final
Furthermore, there is also a method of using 1-naphthalamine as raw material. 1-Naphthalamine reacts with sulfuric acid under specific conditions to directly prepare 1-amino-8-naphthalenesulfonic acid. In this process, it is necessary to precisely control the reaction temperature, sulfuric acid dosage and reaction time to ensure the yield and purity.
In addition, there is a synthetic method, which uses other naphthalene derivatives as starting materials, and gradually introduces amino groups and sulfonic acid groups through multi-step reactions to achieve the purpose of preparing 1-amino-8-naphthalenesulfonic acid. However, this approach is more complicated and the requirements for controlling the reaction conditions are more stringent.
All these methods have their own advantages and disadvantages. The method of starting with naphthalene is easy to obtain raw materials, but there are many reaction steps, and each step needs to be carefully controlled. The method of using 1-naphthalamine as raw material is relatively simple, but 1-naphthalamine is quite toxic, and special attention should be paid to safety protection during operation. As for the method of starting with naphthalene derivatives, although the purer product can be obtained, the process is complicated and the cost is high. Therefore, in actual preparation, the appropriate method should be carefully selected according to the purity, yield and cost of the desired product.

What is the market price of 1 - Amino - 8 - Naphtalenesulfonic Acid?

The price of 1-amino-8-naphthalenesulfonic acid in the market is difficult to be certain. Its price often changes due to many reasons, such as supply and demand conditions, differences in production methods, quality and quality, and differences in time and place.
Looking at the trend of supply and demand in the past, if there are many people who want it and there are few people who supply it, the price will tend to be higher; on the contrary, if the supply exceeds the demand, the price will fall. The production method is also related to the cost, which in turn affects the price. Sophisticated production methods can reduce costs and make the price competitive; cumbersome and expensive methods, the price may be expensive.
Quality is the key to the price. The price of high purity and high quality must be higher than that of ordinary ones due to the difficulty of refining. And the difference of time and place also causes the price to change. In different places, due to differences in raw materials, logistics, and taxes, the price may be very different. At some time and place, due to unexpected situations, such as shortage of raw materials, easier policies, the price also fluctuates.
Therefore, if you want to know the price of the market, you should carefully study the real-time market situation, consult the merchants and brokers in the industry, or check the professional market report to get a close price.