6-Aminonaphthalene-1-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	278348
Chemical Formula	C10H9NO3S
Molar Mass	223.25 g/mol
Appearance	White to light yellow crystalline powder
Solubility In Water	Slightly soluble
Melting Point	280 - 284 °C
Pka Value	Around 2.8
Odor	Odorless
Density	1.48 g/cm³
Stability	Stable under normal conditions

Packing & Storage

Packing	1 kg of 6 - Aminonaphthalene - 1 - Sulfonic Acid packaged in a sealed plastic - lined bag.
Storage	6 - Aminonaphthalene - 1 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from sources of heat, ignition, and incompatible substances such as strong oxidizing agents. Store in a tightly closed container to prevent moisture absorption and potential degradation. Label the storage container clearly for easy identification and safety.
Shipping	6 - Aminonaphthalene - 1 - Sulfonic Acid is shipped in well - sealed containers, safeguarded from moisture and heat. Compliance with hazardous chemical shipping regulations ensures its safe transportation to prevent spills and environmental risks.

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General Information

Historical Development

6-Aminonaphthalene-1-sulfonic acid is also a chemical product. The history of its development can be described. In the past, chemists gradually paid attention to this when exploring various compounds. At the beginning, the understanding of its properties and preparation methods was still shallow. However, with the passage of time, the research has deepened. In the past, the process was not refined, the production was quite difficult, and the production was also very small. After several generations of researchers worked tirelessly, the technology advanced day by day, and the preparation method became more and more refined, and the output also increased. From the initial ignorance and exploration to today's skillful preparation, the development of 6-aminonaphthalene-1-sulfonic acid has witnessed the evolution of chemical technology and added an important thing to the chemical industry, which is widely used in many industries. This is the outline of its historical development.

Product Overview

6-Aminonaphthalene-1-sulfonic acid, this is an important chemical substance. Its unique properties are white to slightly yellow crystalline powder. It is slightly soluble in water, but poorly soluble in organic solvents such as ethanol and ether.
This compound has a wide range of uses in the dye industry and is often a key intermediate for the synthesis of a variety of brilliant dyes. With its special chemical structure, it can endow dyes with excellent color and stability. During the synthesis process, attention should be paid to the precise control of reaction conditions. Factors such as temperature and pH have a great impact on the purity and yield of the product.
After careful development and improvement of the process, high-quality 6-amino naphthalene-1-sulfonic acid can be prepared to meet the strict needs of various industries for this product, thereby promoting the vigorous development of related industries.

Physical & Chemical Properties

6-Aminonaphthalene-1-sulfonic acid, with unique physical and chemical properties. Its shape or crystalline, white color. Solubility in water, with a certain degree, temperature rise and solubility increase.
In terms of its chemical properties, the amino group and the sulfonic acid group are combined. The amino group is alkaline and can be combined with the acid to form a corresponding salt; the sulfonic acid group is acidic and can react with bases. It is a genus of raw salts. And these two are often active check points in chemical reactions, leading to many chemical changes.
Its stability is also considerable, and it can be maintained under room temperature and pressure. In case of hot topics, strong oxidants, or changes. In the field of organic synthesis, with its unique physicochemical properties, it is an important raw material and can produce a variety of compounds, which are widely used in dyes, medicine, and other industries.

Technical Specifications & Labeling

6-Aminonaphthalene-1-sulfonic acid is also an important product in the chemical industry. Its technical specifications and identification (commodity parameters) are related to quality and consumption, and cannot be ignored.
The technology of making this product is the purity of the first raw material. Select the highest-quality naphthalene, through the method of sulfonation and nitrification, strictly control the temperature and accurately calculate the quantity, so that the reaction is complete. After the reaction is completed, carefully purify and remove its impurities to meet the specifications.
In terms of identification, on the packaging, please note the product name, content, batch number and other parameters in detail. The label of content, when accurate, indicates the quality. The setting of the batch number can be traced back to the source of production, which is the control of quality.
In this way, technical compliance, clear identification, 6-amino naphthalene-1-sulfonic acid quality can be guaranteed to meet all needs.

Preparation Method

The preparation method of 6-aminonaphthalene-1-sulfonic acid is related to the raw material and production process, reaction steps, and catalytic mechanism. The raw material often starts with naphthalene, and goes through several steps such as sulfonation and nitrification. First, the naphthalene is taken and heated with concentrated sulfuric acid to obtain naphthalene sulfonic acid. Then it is nitrified with mixed acid to obtain nitronaphthalene sulfonic acid. This step requires temperature control and time control to prevent side reactions. Then iron powder and hydrochloric acid are used as reducing agents to convert the nitro group into an amino group to obtain 6-aminonaphthalene-1-sulfonic acid. In the production process, the concentration of acid during sulfonation, the reaction temperature and time are all critical, which are related to the purity and yield of the product. The proportion of mixed acid during nitrification also needs In the catalytic mechanism, different reaction stages or specific catalysts are used to promote the reaction and improve the efficiency. Each step of the reaction is closely linked, and this compound can be prepared after fine operation.

Chemical Reactions & Modifications

In the field of chemistry, the reaction and modification of 6-aminonaphthalene-1-sulfonic acid are of great importance to us.
In the past, although there were some methods for making this product, it was not perfect. Its reaction conditions are harsh, and the yield is not good.
At this time, we are exploring new ways to improve its properties. In the reaction medium, we adjust it with a specific agent to make the environment more suitable and promote the reaction. And in the method of catalysis, we choose a new agent to increase its activity and make the reaction fast and efficient.
After these changes, the yield of 6-aminonaphthalene-1-sulfonic acid has gradually increased, and the quality has also improved. Its improved properties make it more useful for subsequent applications, such as dyes and medicines, adding a bright color to the prosperity of the chemical industry.

Synonyms & Product Names

6-Aminonaphthalene-1-sulfonic acid, also known as naphthalene sulfonic acid. It has many different names, all of which are due to their uses and production methods.
In dyeing workshops, because it can make dyes, some dyeers call it "dyeing naphthalene acid". In pharmacies, because it may involve pharmaceutical raw materials, pharmacists also call it "medicinal sulfamic acid". In workshops, craftsmen will also call it "process naphthalene acid" according to their production process.
Although the names are different but the quality is the same, they are all this 6-aminonaphthalene-1-sulfonic acid. This material is unique and useful in various chemical industries. Its synonym and trade name are also widely circulated according to the needs of the industry to meet the needs of all parties.

Safety & Operational Standards

6-Aminonaphthalene-1-sulfonic acid, this is our chemical product. During its production and use, safety and operating standards are of paramount importance, which is related to the well-being of everyone and the smooth production.
During production, all materials need to be properly placed. 6-Aminonaphthalene-1-sulfonic acid raw materials are often dangerous, flammable or corrosive. Such as naphthalene, flammable and irritating, storage must be kept away from fire and heat sources, in a cool and ventilated place, and must be stored separately from oxidants and acids, and should not be mixed. Fireworks should also be strictly prohibited in the operation room, and fire extinguishers should be equipped, just in case.
The operation process is also strictly regulated. In the synthesis reaction process, the control of temperature and pressure needs to be accurate. If the temperature is too high, the reaction may be too violent, triggering the risk of flushing or even explosion; if the temperature is too low, the reaction will be slow, affecting the yield and quality. The same is true for pressure. Improper pressure or equipment damage and material leakage. Operators need to be professionally trained, familiar with the process, operate in strict accordance with the procedures, and must not change parameters without authorization.
When using this product, protective measures are essential. Because it may cause damage to the skin, eyes, respiratory tract, etc., contacts must wear protective clothing, protective gloves, protective glasses, and gas masks. If you accidentally come into contact, you should immediately rinse with a lot of water, and in severe cases, send to the hospital for treatment immediately.
Furthermore, the waste generated during production and use must not be discarded at will. 6-Aminonaphthalene-1-sulfonic acid and its reaction by-products may be harmful to the environment and must be properly disposed of according to environmental protection requirements. After harmless treatment, it can be discharged or disposed of to protect the tranquility of the natural environment. In this way, the production and use of 6-Aminonaphthalene-1-sulfonic acid can be ensured to be efficient and safe, and it is safe for people and the environment.

Application Area

6-Aminonaphthalene-1-sulfonic acid has a wide range of uses. In the field of dyes, it can be used as a key raw material for the synthesis of a variety of bright colors and good fastness dyes, making fabrics have excellent dyeing effect and lasting color. In medicine, some of its derivatives may have specific pharmacological activities, providing the possibility for the development of new drugs. In chemical analysis, because of its unique chemical properties, it may serve as a reagent for the detection and separation of specific substances. Such as in biochemical research, or to help identify biomolecules, contributing to the exploration of the mysteries of life. In short, 6-Aminonaphthalene-1-sulfonic acid has important value in many application fields and promotes the development and progress of related industries.

Research & Development

The rise of modern chemistry has been explored in detail in various substances. On the subject of 6 - Aminonaphthalene - 1 - Sulfonic Acid, scholars have studied it carefully.
At the beginning, the method of its preparation was explored, but it was difficult and abnormal. All attempts were made, but they failed to achieve their goals, or they failed to achieve results. However, everyone worked tirelessly, repeatedly deduced, and finally obtained a feasible method.
Preparation has been completed, and its properties have been re-studied. In terms of physical properties, observe its color, state, and taste in detail, and measure its melting point and boiling point; in terms of chemical properties, try its response to various things, and observe its changes.
The use of this substance is gradually becoming apparent. In the dyeing and weaving industry, it can be used as a raw material for dyes, and the color of dyeing is fresh and solid. In the field of medicine, it also has its merits, helping to synthesize good medicines.
With the deepening of research, we continue to refine its preparation process, improve quality, and expand its use. We should continue to explore the ambitions of our predecessors, and hope that this substance will have more brilliant development in the future and benefit the world.

Toxicity Research

Since modern times, chemical refinement has led to the frequent emergence of various new substances. The toxicity of 6 - Aminonaphthalene - 1 - Sulfonic Acid in this study is quite important.
Looking at its structure, it contains naphthalene ring and sulfonic acid group, amino group. Naphthalene ring has been shown to have certain toxicity in the past, or it may be involved in mutagenesis and carcinogenesis. Although sulfonic acid group increases its water solubility, it has a complex impact on toxicity. Amino group in vivo or involves metabolic reactions, and also affects toxicity.
Through various experiments, its effect on organisms has been observed. In cell experiments, it can be seen that it disturbs the growth and metabolism of specific cell lines, or affects key enzyme activities and gene expression. In animal experiments, observe the damage of its organs, such as liver and kidney changes, or the accumulation of metabolites.
In summary, 6-Aminonaphthalene-1-Sulfonic Acid is toxic, and its toxicological mechanism should be further investigated in order to protect and apply restrictions to reduce its harm to organisms and the environment.

Future Prospects

Guanfu 6-aminonaphthalene-1-sulfonic acid, which is in the field of chemical industry, holds great promise for future expansion. In today's times, science and technology are changing, and the research of chemical products is endless. This product has unique properties and may emerge in the creation of new materials.
In the future, it may be based on it to derive materials with various specific properties for use in electronics, medicine and other important places. In the field of electronics, it may help to create more sensitive sensing devices and make information capture more accurate; in the road of medicine, it may become a key ingredient in the development of new agents, contributing to the treatment of diseases and diseases.
And in the process of chemical reaction, it may be used as an excellent medium to optimize the process, reduce costs and increase efficiency. Although the road ahead may be difficult, researchers should have a determined heart, explore its use, and hope to stimulate the potential of this 6-aminonaphthalene-1-sulfonic acid, so as to promote the chemical industry to a new level and open a brilliant chapter in the future.

Frequently Asked Questions

What is the main use of 6-aminonaphthalene-1-sulfonic acid?

6-Aminopurine-1-sulfonic acid, that is, adenine sulfonic acid, its main uses are as follows:
Adenine sulfonic acid is used in the medical tract and can be used as a raw material for drugs. Because of its unique structure, it has the potential to participate in many biochemical reactions of the human body. In the preparation of pharmaceuticals, it can help to form a variety of treatment prescriptions to adjust the function of the human body and cure various diseases. For example, it can be used in some tonic agents to replenish human vitality, promote the operation of qi and blood, and make the viscera peaceful.
In the field of biochemical research, it is also widely used. Because it is a purine derivative, it can be used as a key substance in the study of cell metabolism, nucleic acid synthesis and decomposition. Scientists use it to explore the mysteries of life, to understand the mechanism of cell growth, differentiation, and apoptosis, and to find a new way to overcome difficult diseases. For example, in tumor research, it can be used to explore the abnormality of nucleic acid metabolism in cancer cells, hoping to obtain a way to control cancer.
In the field of feed, it is also useful. Adding it to the feed can increase the nutrition of livestock. Because it participates in a variety of physiological activities in livestock, it helps their growth and development, improves the ability to resist diseases, makes livestock healthy and less infected, and then improves the benefits of breeding, adding to the livestock industry.
And in the food industry, it may also be applied. It can be used as a nutritional enhancer, added to food, to increase the nutritional value of food, in order to meet the needs of people for healthy food, so that people can eat beneficial food and strengthen their bodies.

What are the physical properties of 6-aminonaphthalene-1-sulfonic acid?

6-Hydroxy-1-naphthoic acid, also known as β-naphthol-6-carboxylic acid, is an important organic compound in the field of chemistry. It has many unique physical properties, which are described in detail by you today.
Looking at its appearance, 6-hydroxy-1-naphthoic acid is often white to light yellow crystalline powder. This form allows it to have good dispersion and reactivity in many reaction systems. Its powder is delicate and has certain characteristics to the touch. When touched by hand, it can feel its texture is relatively uniform.
When it comes to melting point, the melting point of this compound is quite high, about 270-275 ° C. Such a high melting point is due to the existence of strong interaction forces between molecules, such as hydrogen bonds, van der Waals forces, etc. This property is of great significance in practical applications. For example, during certain reactions or processing in high temperature environments, 6-hydroxy-1-naphthoic acid can maintain solid state stability, and it is not easy to melt and deform rapidly due to temperature increase, so as to ensure the orderly progress of the reaction or processing process.
In terms of solubility, 6-hydroxy-1-naphthoic acid is slightly soluble in water. This is because water molecules are polar molecules, and although 6-hydroxy-1-naphthoic acid contains hydroxyl groups, it can form hydrogen bonds with water, but the main body of the molecule is a non-polar structure such as a naphthalene ring, which makes the overall polarity weak and the interaction with water molecules is limited, so it is difficult to dissolve in water. However, it is soluble in some organic solvents, such as ethanol and acetone. In ethanol, 6-hydroxy-1-naphthalic acid can be better dissolved by the formation of hydrogen bonds between hydroxyl groups and ethanol molecules, and the interaction between the naphthalene ring and the non-polar part of ethanol. This solubility characteristic can be used to separate and purify the compound in organic synthesis, and can also provide a suitable reaction medium for its participation in specific organic reactions.
In addition, 6-hydroxy-1-naphthoic acid is relatively stable at room temperature and pressure. However, under certain conditions, such as strong acid, strong base or high temperature and strong oxidant, functional groups such as hydroxyl and carboxyl groups in its structure will participate in the reaction, showing corresponding chemical activities, such as esterification, acid-base neutralization and other reactions.

What are the chemical properties of 6-aminonaphthalene-1-sulfonic acid?

6-Hydroxy-1-naphthoic acid is an organic compound with unique chemical properties and is widely used in many fields.
This compound is acidic. Because of its carboxyl group (-COOH), in aqueous solution, the carboxyl group can ionize hydrogen ions, which is acidic. In case of alkali, it can undergo neutralization reaction, such as reaction with sodium hydroxide (NaOH), to generate corresponding carboxylate and water. The reaction equation is: 6-hydroxy-1-naphthoic acid + NaOH → 6-hydroxy-1-naphthoate sodium + H2O O.
The hydroxyl group (-OH) in 6-hydroxy-1-naphthoic acid has a certain activity. The oxygen atom in the hydroxyl group has unshared electron pairs and can participate in various reactions. It can undergo esterification reaction. Under the condition of concentrated sulfuric acid catalysis and heating, it reacts with alcohols to form esters and water. For example, reacts with ethanol to form ethyl 6-ethoxy-1-naphthoate and water.
The naphthalene ring structure of this compound makes it aromatic. The naphthalene ring is formed by fusing two benzene rings, which has high stability. Because of its special distribution of π electron cloud, it can undergo electrophilic substitution reaction. Under appropriate conditions, it can be substituted with bromine, and bromine atoms replace hydrogen atoms on the naphthalene ring.
6-Hydroxy-1-naphthalic acid can also participate in some redox reactions. Hydroxyl groups can be oxidized by appropriate oxidants, and the specific oxidation products depend on the reaction conditions and the oxidant used. For example, under the action of specific strong oxidants, hydroxyl groups may be oxidized to carbonyl groups (-C = O), etc.
In addition, due to the presence of polar groups such as carboxyl and hydroxyl groups in the molecule, 6-hydroxy-1-naphthalic acid has a certain solubility in some polar solvents, which also affects its chemical reactions and applications.

What is the production method of 6-aminonaphthalene-1-sulfonic acid?

The method of generating 6-aminopurine-1-sulfonic acid is obtained by using suitable purine derivatives as starting materials and going through specific reaction steps.
Purine is often used as the initial reactant, and the purine is first used in a specific reaction environment to interact with a reagent with the ability to introduce sulfonic acid groups. This reagent may be a compound containing sulfonic acid groups, such as concentrated sulfuric acid, fuming sulfuric acid, etc. Under the appropriate temperature, reaction time and solvent conditions, the sulfonic acid group can replace the hydrogen atom at a specific position in the purine molecule.
At the time of reaction, the control of temperature is very critical. If the temperature is too low, the reaction rate will be slow, time-consuming and the yield will not reach the expected level; if the temperature is too high, it is easy to trigger side reactions and generate non-target products, resulting in a decrease in product purity. Generally speaking, the reaction temperature may be maintained within a certain range, such as several degrees Celsius to tens of degrees Celsius, depending on the specific reactants and reaction conditions.
The reaction time cannot be ignored. The reaction process needs to be monitored by analytical methods such as thin-layer chromatography (TLC), and the reaction can only be stopped when the conversion of the raw materials reaches the expected level. The solvent used in the
reaction also has a significant impact on the reaction. Solvents with good solubility to the reactants and products should be selected without adverse reactions with the reactants and products. Common organic solvents such as dichloromethane, N, N-dimethylformamide (DMF), etc., or mixed systems of water and organic solvents can be selected according to the characteristics of the reaction.
After the reaction is completed, the separation and purification of the product is also crucial. Methods such as extraction and column chromatography can be used to separate the target product from the reaction mixture to obtain high-purity 6-aminopurine-1-sulfonic acid. During extraction, the appropriate extractant is selected according to the difference in solubility of the product and impurities in different solvents; column chromatography achieves effective separation of the product and impurities by the difference in the adsorption capacity of the adsorbent to different substances.

What are the precautions for 6-aminonaphthalene-1-sulfonic acid in storage and transportation?

When storing and transporting 6-aminopenicillanic acid-1-sulfonic acid, there are several precautions to keep in mind.
In terms of storage, the temperature and humidity of the environment are the first priority. This substance should be stored in a cool, dry place, away from heat and fire sources. If the ambient temperature is too high, it may change its chemical properties and reduce its quality; if the humidity is too high, it is easy to cause moisture and agglomeration, which affects its properties and effectiveness.
In addition, attention should be paid to isolating air and light. 6-aminopenicillanic acid-1-sulfonic acid is susceptible to oxygen oxidation in the air and is also sensitive to light. Therefore, it should be sealed and stored in a dark place, such as a brown bottle or a container with a light-shielding coating, to ensure its stability.
As for transportation, the packaging must be sturdy and reliable. Choose suitable packaging materials to prevent the packaging from being damaged due to bumps and collisions during transportation, causing material leakage. And the means of transportation should also maintain suitable temperature and humidity conditions, so as not to expose the material to harsh environments.
In addition, whether it is storage or transportation, it is necessary to strictly follow relevant regulations and standards. On the label, clearly mark the name, characteristics, hazard warnings and other information of the substance, so that relevant personnel can know and properly dispose of it. At the same time, the storage and transportation places should be equipped with corresponding emergency treatment equipment and protective equipment to prevent accidents from occurring in a timely manner and ensure the safety of personnel and the environment from being polluted.