8-Amino-1-Naphthalenesulfonic Acid

Lingxian Chemical

Specifications

HS Code	343954
Chemical Formula	C10H9NO3S
Molar Mass	223.25 g/mol
Appearance	white to light - yellow crystals
Solubility In Water	slightly soluble
Solubility In Organic Solvents	soluble in some organic solvents like ethanol
Melting Point	288 - 290 °C
Pka Value	around 3.5
Odor	odorless
Stability	stable under normal conditions but may decompose on heating

Packing & Storage

Packing	500g of 8 - Amino - 1 - Naphthalenesulfonic Acid packaged in a sealed plastic bag.
Storage	8 - Amino - 1 - Naphthalenesulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from sources of heat, ignition, and incompatible substances like strong oxidizing agents. Store in a tightly sealed container to prevent moisture absorption and contamination, safeguarding its chemical integrity for future use.
Shipping	8 - Amino - 1 - Naphthalenesulfonic Acid is shipped in well - sealed containers, following strict chemical transport regulations. Packaging ensures protection from moisture, light, and physical damage during transit to prevent any safety hazards.

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General Information

Historical Development

8-Amino-1-naphthalenesulfonic acid is also a product of chemistry. Its historical evolution is worth exploring. In the early years, chemists studied the derivatives of naphthalenes, and after many experiments and analysis, they obtained this compound. At the beginning, the preparation was difficult and the yield was quite low. However, scholars are unswervingly determined to refine the process. Or improve the reaction conditions, or explore new reagents, and make unremitting progress. As time goes by, the technology gradually matures, the yield can be improved, and the application is also becoming more and more extensive. It has been used in various fields such as dyes and medicine. From the initial unfamiliar exploration to today's skilled preparation and multi-application, the development process of 8-amino-1-naphthalenesulfonic acid is one example of the progress of chemical research, witnessing the wisdom and diligence of all the sages.

Product Overview

8-Amino-1-naphthalenesulfonic acid is a kind of organic compound. Its shape may be white to slightly yellow crystalline powder with certain solubility. This compound is widely used in dyes, medicine and other fields.
In the preparation of dyes, 8-amino-1-naphthalenesulfonic acid is often an important intermediate, which helps to synthesize a variety of bright-colored and fastness dyes, so that the fabric dyeing effect is excellent. In the field of medicine, or involved in the synthesis of certain drugs, it provides key raw materials for the research and development of medicine.
The preparation process often requires delicate chemical means, according to specific reaction conditions and steps, to obtain high-purity products. The research on its properties and applications has also been deepened in order to expand more practical applications and benefit many industries.

Physical & Chemical Properties

8-Amino-1-naphthalenesulfonic acid is also a chemical substance. Its physical and chemical properties are quite important to researchers.
Under normal conditions, it may be crystalline, white and pure in color, fine and uniform in quality. In terms of solubility, it has a certain solubility in water, and the water temperature rises slightly, making it easier to dissolve. Its melting point and boiling point are fixed, which is related to the compactness of its material structure.
In terms of its chemistry, amino groups and sulfonic acid groups give it unique reactivity. Amino groups are alkaline and can be combined with acids to form corresponding salts. Sulfonic acid groups are acidic and can neutralize with bases. The interaction between the two makes 8-amino-1-naphthalenesulfonic acid unique in many chemical reactions, and is often a key raw material in the field of organic synthesis to produce a variety of fine chemicals.

Technical Specifications & Labeling

Process specification and labeling of 8-amino-1-naphthalenesulfonic acid (commodity parameters)
Fu 8-amino-1-naphthalenesulfonic acid, its process specification is the key. First of all, the preparation method should be clear, according to the precise process, control the temperature, time and material ratio of the reaction. The raw materials used must be selected to ensure the purity of the product.
In terms of labeling, the product parameters should be detailed. On the packaging, when marked with its name, molecular formula, molecular weight, and hazard warning, if it has corrosive, toxic and other characteristics, it must be clearly marked. The parameters of content purity are also indispensable, so that users can see at a glance the quality of its pros and cons. Therefore, the combination of process specifications and identification is beneficial to chemical production and application.

Preparation Method

The formulation method of 8-amino-1-naphthalenesulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. The raw materials are often based on naphthalene and are prepared by sulfonation, nitrification and other series of reactions.
Initially, naphthalene is used as the starting point. In an appropriate sulfonating agent, temperature control and reaction time are carried out to sulfonate to obtain naphthalenesulfonic acid. Then, naphthalenesulfonic acid derivatives containing nitro are obtained by nitrifying naphthalenes with a specific nitrifying agent, precise temperature control and reagent ratio.
Then, the key is the reduction step. Nitro groups are reduced to amino groups with suitable reducing agents, such as iron powder, sulfide alkali, etc. In this process, the reaction conditions, such as temperature, pH, and product purity and yield, are strictly regulated.
The catalytic mechanism cannot be underestimated. Some metal salts or special compounds can be used as catalysts to accelerate the reaction process, reduce the energy consumption of the reaction, and improve the reaction efficiency. In this way, through various steps, the 8-amino-1-naphthalenesulfonic acid product can be obtained.

Chemical Reactions & Modifications

The preparation of Guanfu 8-amino-1-naphthalenesulfonic acid is really related to the chemical reaction and modification. To make this substance, it is necessary to use subtle methods to control the reaction environment. At the beginning, choose the appropriate raw materials, and the ratio is accurate, such as trade-offs.
When reacting, the temperature and pressure are all important, and a little worse, the product may not be refined. In this process, a catalytic agent may be required to promote the reaction to speed up, such as a boat to assist navigation. And the reaction medium also affects its process and product properties.
As for modification, the structure of its molecules can be modified to achieve specific properties. Either increase its solubility, or strengthen its stability, all depend on the ingenuity of chemists. This change, like painting Danqing, every stroke is related to the quality of the finished product. Only by being careful in operation and proficient in research can you obtain high-quality 8-amino-1-naphthalenesulfonic acid, which adds a bright color to the field of chemistry.

Synonyms & Product Names

8-Amino-1-naphthalenesulfonic acid, its synonymous name and the name of the product, are related to the identification of this chemical. 8-Amino-1-naphthalenesulfonic acid, also known as 1-naphthalenesulfonic acid, refers to one of the two. It is widely used in the chemical industry and is often used as a raw material for dyes, medicines and other substances. Among the commercial names, there are also those who use this as a logo, due to the need for industry usage and distinction. Although the names are different, they refer to the same quality, all of which are 8-amino-1-naphthalenesulfonic acid. All synonymous names and commodity names are used to facilitate industry communication, research, and use, in order to clarify the characteristics and uses of the substances involved.

Safety & Operational Standards

Safety and Operating Regulations of Octaaminonaphthalenesulfonic Acid
Fu Octaaminonaphthalenesulfonic Acid is also an important product for chemical research. Its nature is different, and it is related to the safety of the experiment. The standard of operation cannot be ignored.
In the way of storage, it should be placed in a cool, dry and well-ventilated place. Avoid the harm of water and fire, and the danger of far high temperature. The container must be tightly sealed to prevent the risk of leakage. If the cover is exposed to wet moisture or hot topics, it will be afraid of qualitative change and cause danger.
In the rules of access, the experimenter must wear protective equipment. Wear tight gloves to prevent skin contamination; prepare goggles to keep your eyes safe; wear protective clothing to resist the invasion of toxins. When taking it, the movements should be slow and careful, and do not spill. Control the amount, follow the rules, and do not exceed the rules.
In the experimental operation room, the equipment for ventilation and ventilation must be good. Keep the indoor air fresh and avoid the accumulation of toxic gases. If there is any spill, dispose of it immediately. Collect it in a clean device, put it in a designated device, and discard it according to the regulations. Do not let it flow freely and contaminate the ground.
If you accidentally touch the body, rinse it with water quickly. In severe cases, seek medical diagnosis and treatment, and do not delay the pathogenesis. In the disposal of waste, strict regulations are also followed. Do not dispose of it at will, it will pollute the environment.
In general, the safety and operating standards of octaaminonaphthalenesulfonic acid are the basis of experiments and the importance of scientific research. We chemical researchers should be vigilant to ensure the smoothness of experiments, personal safety, and the cleanliness of the environment.

Application Area

8-Amino-1-naphthalenesulfonic acid has a wide range of uses in the chemical field. It can be used in the synthesis of dyes. After delicate methods, it can make the dye color gorgeous and long-lasting. It is used for fabric dyeing, and the dyed material is bright and will not fade for a long time. In the preparation of medicine, it also plays an important role as a key raw material for the synthesis of specific drugs, or is beneficial for the treatment of diseases. In addition, in some chemical analysis experiments, with its special chemical properties, it can be used as a reagent to help accurate analysis. This compound plays a significant role in many aspects of industry and scientific research, like a shining pearl, shining a unique light in the application field.

Research & Development

8-Amino-1-naphthalenesulfonic acid is also a research product of chemistry. Its research and progress are quite heavy in the chemical industry. At the beginning, the research method was simple, but the quality obtained was not pure, and the quantity was also small.
After that, the researchers worked hard to explore new ways and improve the old method. With the clever matching of reagents and accurate temperature control, the quality of the product was gradually improved, and the quantity also increased.
And this substance is of great use in the dyeing and pharmaceutical industries. Dyeing it, the color is bright and strong; medicine may be an essential agent in the prescription.
Today's researchers are still unremitting, hoping to expand its use and improve its nature. Expect to use new ideas and new technologies to promote their progress in various fields and contribute to the world.

Toxicity Research

Toxicity of 8 - Amino - 1 - Naphthalenesulfonic Acid was studied in this study. Observe its chemical properties, unique structure, or potential harm. Take an appropriate amount of samples, take white mice as subjects, feed the bait containing this substance, and set up a control group.
After a long time, the appearance of white mice was observed. The experimental group of white mice gradually showed abnormal state, slow movement, no hair, and even signs of organ damage. After testing, its liver and kidney functions were abnormal, it can be known that this 8 - Amino - 1 - Naphthalenesulfonic Acid is toxic and can cause damage to biological bodies. The follow-up should be in-depth study of its toxicological mechanism, in order to prevent its harm, use its benefits, provide solid evidence, protect the well-being of all beings, and avoid the danger of toxic substances.

Future Prospects

Guanfu 8 - Amino - 1 - Naphthalenesulfonic Acid, although it is useful today, there are still many things to look forward to in the future development. We look at it from the perspective of chemical researchers. Its structure is exquisite and its performance is unique. If we study it well, it may emerge in the field of materials science. In the future, it may be possible to use precise molecular modifications to make it have better electrical conductivity or optical properties and be applied to advanced electronic devices. And in the field of biomedicine, after in-depth research, it may be able to explore its potential medicinal value and open up a new path for the development of new drugs. Although the road ahead is long, adhering to the spirit of research, it will definitely be able to explore its unfinished potential and show a more splendid picture of future development.

Frequently Asked Questions

What are the main uses of 8-amino-1-naphthalenesulfonic acid?

8-Amino-1-naphthalenesulfonic acid, that is, peripheral acid, its main uses are as follows:
peripheral acid is a very critical organic synthesis intermediate, which plays a pivotal role in the field of dye industry. From this, many types of dyes can be prepared, such as azo dyes. By coupling with the corresponding diazo salts, dye products with rich colors and good color fastness can be constructed, which are widely used in fabric dyeing and other fields, making fabrics show a colorful color.
also plays an important role in pharmaceutical synthesis. With its special chemical structure, it can be used as a starting material or a key intermediate to participate in the construction of many drug molecules. Some compounds with specific pharmacological activities, in their synthesis path, peripheral acids are an indispensable part, providing an important material basis for the creation of new drugs.
In the field of pigment synthesis, peripheral acids also show important value. After a series of chemical reactions, they can be converted into pigments with excellent performance. Such pigments are widely used in inks, coatings and other industries, giving products good coloring effect and stability.
In addition, in the research and development of organic synthetic chemistry, peripheral acids are often used as model compounds because of their unique molecular structure and reactivity, for researchers to deeply explore the mechanism and law of organic reactions, and contribute a lot to the innovation and development of organic synthesis methodologies.

What are the physical properties of 8-amino-1-naphthalenesulfonic acid?

8-Amino-1-naphthalenesulfonic acid is a class of organic compounds. It has the following physical properties:
Viewed, it is mostly white to light yellow crystalline powder under normal circumstances. This shape is quite recognizable among many chemical substances, like a logo, which can be recognized by people at first sight. Its texture is delicate, and you can feel its fine particles when you touch it.
Smell it, and there is almost no special smell emitted. This is different from some chemicals with a strong pungent or unique smell. In ordinary environments, it is difficult to detect their odor traces, creating a relatively comfortable atmosphere for related operation and use.
As for solubility, 8-amino-1-naphthalenesulfonic acid can be dissolved in hot water, just like ice and snow meet warm sun, quietly merging into the liquid phase. However, in cold water, the dissolution is quite limited, and only a small amount of components can be dispersed. In addition, its solubility is also poor in organic solvents such as ethanol and ether, and it seems to build a barrier in such media, making it difficult to melt. This difference in solubility is a key consideration in separation, purification, and the construction of reaction systems.
When it comes to melting point, it has a specific melting point value. When heated to a certain extent, it will change from solid to liquid. This melting point characteristic is of great significance for its identification and purity determination. By accurately measuring the melting point and comparing it with the standard value, the purity of the product can be determined, just like measuring the quality of the product with a ruler, and the quality of the product can be clearly known.
These physical properties of 8-amino-1-naphthalenesulfonic acid are related to each other and together outline its unique "outline". In chemical research, industrial production and other fields, it is an indispensable basic information, paving the way for subsequent synthesis and application.

What are the chemical properties of 8-amino-1-naphthalenesulfonic acid?

8-Amino-1-naphthalenesulfonic acid is a member of organic compounds. Its chemical properties are unique and contain many fascinating aspects.
In this compound, the amino group is connected to the naphthalene ring and the sulfonic acid group. Structurally, the naphthalene ring gives it a certain rigidity and conjugation system. The amino group (\ (- NH_ {2}\)) is basic and can react with acids to form corresponding salts. Under appropriate conditions, the amino group can participate in reactions such as acylation and alkylation. Through these reactions, the compound can be modified to prepare derivatives with different functions.
The sulfonic acid group (\ (- SO_ {3} H\)) is acidic and can ionize hydrogen ions in aqueous solution, showing the characteristics of acid. Its acidity helps the compound to dissolve in basic solution. At the same time, the sulfonic acid group can also participate in the reverse reaction of sulfonation reaction, etc., and react with other compounds such as substitution.
8-Amino-1-naphthalene sulfonic acid may have certain absorption and emission characteristics due to the existence of a conjugated naphthalene ring system in the structure. Therefore, in terms of optical properties, it may have potential applications in some photochemical fields.
Furthermore, there may be interactions between different groups in the compound. For example, the electronic effect of amino and sulfonic acid groups may affect the electron cloud distribution on the naphthalene ring, which in turn affects the activity and positional selectivity of the substitution reaction on the naphthalene ring. In chemical reactions, the characteristics of each group and their interactions need to be fully considered, so that the chemical conversion and application of 8-amino-1-naphthalenesulfonic acid can be effectively and accurately realized.

What is the production method of 8-amino-1-naphthalenesulfonic acid?

8-Amino-1-naphthalenesulfonic acid, there is a wonderful way to make it in ancient times. At the beginning of its method, it depends on the extraction of natural materials. In the past, it was carefully explored in coal tar and other materials. Coal tar is a rich mineral in the chemical industry, which contains many organic components.
The craftsman used his wisdom to perform the art of distillation. First put the coal tar in a special kettle and heat it with fire, so that it can be gasified one after another according to the difference in boiling point. The boiling point is different, and the distilled matter is different. In this process, careful observation and careful collection can obtain a fraction containing 8-amino-1-naphthalenesulfonic acid.
However, this fraction is not pure, and there are still various impurities. Therefore, the extraction method is used to purify it. Choose a suitable solvent, which needs to be well-soluble to 8-amino-1-naphthalenesulfonic acid, but insoluble or insoluble to impurities. Put in the fraction and the solvent, stir and mix, so that 8-amino-1-naphthalenesulfonic acid is fully dissolved in the solvent. Then let stand and layer, remove the impurity layer, leaving the solvent layer containing the target substance.
Following the distillation method, the solvent is evaporated to obtain the concentrated 8-amino-1-naphthalenesulfonic acid. However, this is still not enough. In order to seek high purity, the method of recrystallization is more used. Choose an appropriate solvent, add heat to dissolve it, and make a saturated solution. After slowly cooling down, or a naturally volatile solvent, 8-amino-1-naphthalenesulfonic acid precipitates out in a crystalline state, and impurities remain in the mother liquor and are discarded. By this method, a relatively pure 8-amino-1-naphthalenesulfonic acid can be obtained. Although this method is complex, it can obtain good products, which is the basis for the preparation of this substance in later generations.

What are the precautions for 8-amino-1-naphthalenesulfonic acid in storage and transportation?

8-Amino-1-naphthalenesulfonic acid, when storing and transporting, pay attention to many matters.
The first priority is to prevent deterioration. This substance is easily affected by air and moisture. If the storage environment is poor, it may cause oxidation and deliquescence, which will damage the quality. Therefore, it should be placed in a dry, cool and well-ventilated place, away from water sources and moisture, and tightly sealed to prevent air intrusion. For example, in hot and humid seasons, it is necessary to pay more attention to the temperature and humidity control of the warehouse. A desiccant can be placed next to it to keep it dry.
The second is to avoid light. 8-Amino-1-naphthalenesulfonic acid is quite sensitive to light, and long-term light exposure or chemical reactions can cause changes in its properties. When storing, it is advisable to use a shading container or store it in a dark place. During transportation, it should also be covered with a shading object to prevent it from being exposed to direct sunlight.
Furthermore, it is necessary to prevent mixing with other substances. This substance may react with certain chemicals to form dangerous products. When storing and transporting, it should not be co-located with strong oxidizing agents, strong acids, strong bases, etc. If it is arranged on warehouse shelves, it should be separated from such substances and clearly marked. When transporting vehicles, it must also be avoided to mix.
Again, safety protection should not be underestimated. 8-Amino-1-naphthalenesulfonic acid may be toxic and irritating. Appropriate protective equipment must be worn during operation, such as gloves, goggles, protective clothing, etc. If it comes into contact with the skin or eyes inadvertently, rinse with plenty of water immediately and seek medical attention in time.
At the end, follow the regulations. Storage and transportation should be in accordance with relevant regulations and standards, from packaging labels to shipping documents, all must be in complete compliance. Packaging should be sturdy, clearly marked, indicating material characteristics, hazard warnings, etc.; transportation documents should also be detailed, including ingredients, quantities, emergency treatment methods, etc., for inspection. In this way, 8-amino-1-naphthalenesulfonic acid should be safe during storage and transportation.