(5Or8)-Aminonaphthalene-2-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	269650
Chemical Formula	C10H9NO3S
Molar Mass	223.25 g/mol
Appearance	Solid
Solubility In Water	Moderate
Melting Point	Data needed
Boiling Point	Data needed
Density	Data needed
Acidity Pka	Data needed
Odor	Odorless (usually)
Color	Off - white to light brown
Stability	Stable under normal conditions
Flash Point	Data needed

Packing & Storage

Packing	25 - kg bag of (5Or8)-Aminonaphthalene - 2 - Sulphonic Acid for chemical packaging.
Storage	(5Or8)-Aminonaphthalene - 2 - Sulphonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat, flames, and sources of ignition. Store in tightly - sealed containers to prevent moisture absorption and contamination. Isolate from oxidizing agents and incompatible substances to ensure its stability and avoid potential chemical reactions.
Shipping	(5Or8)-Aminonaphthalene - 2 - Sulphonic Acid must be shipped in accordance with chemical regulations. Use properly sealed containers to prevent leakage. Protect from moisture and store away from heat sources during transit.

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(5Or8)-Aminonaphthalene-2-Sulphonic Acid

General Information

Historical Development

(5- or 8-) amino naphthalene-2-sulfonic acid, the development of this compound has a long history. In the past, various sages have been exploring hard on the road of chemical research. Since the beginning of discovering the characteristics of related substances, everyone has tried their best to uncover its mysteries.
The early experimental conditions were simple, but the previous chemists relied on their perseverance and repeated experiments. After countless attempts and adjustments, they finally had a preliminary understanding of its properties. Over time, the technology has gradually improved, and the research on (5- or 8-) amino naphthalene-2-sulfonic acid has also been more in-depth. The synthesis method has been continuously optimized, and the product purity has gradually improved.
Over the years, this compound has emerged in many fields and has an increasingly wide range of applications. The road of exploration in the past has laid a solid foundation for the current development, and future generations will continue to develop and innovate.

Product Overview

(5- or 8-) aminonaphthalene-2-sulfonic acid is a key substance in chemical research. Its shape may be powder, and the color is white to yellowish. This compound has specific chemical properties and is widely used in many fields.
The preparation method of its preparation is through multiple fine steps. The ratio of raw materials and reaction conditions need to be precisely controlled. Factors such as temperature and pH have a great impact on the purity and yield of the product.
In industry, it can be used as a dye intermediate, and the synthesis of dye aids depends on it. Because of its unique structure, it can make the dye bright and fastness is quite good. In scientific research, it is also an important building block for organic synthesis, assisting scientists in exploring the properties and uses of new compounds.
This (5- or 8-) amino naphthalene-2-sulfonic acid is an indispensable substance in the field of chemistry, and has made remarkable achievements in promoting the development of chemical industry and scientific research.

Physical & Chemical Properties

The physicalization of (5 or 8) -aminonaphthalene-2-sulfonic acid is the focus of our research. This compound exhibits unique physical properties. Its outer surface is often crystalline solid, and its color is either white or slightly colored. It has a specific melting effect. When added to a certain degree, it will solidify the liquid. The melting value is very important for distinguishing this substance.
In terms of chemical properties, (5 or 8) -aminonaphthalene-2-sulfonic acid exhibits chemical activity because it contains an amino-sulfonic acid group. The amino group can be reactive such as acetylation, and the sulfonic acid group makes the compound acidic, which can be neutralized and reversed to form a phase. These inverse properties, together with their application in chemical synthesis and multiplexing, enable us to leverage their chemical activity to develop new synthetic pathways and expand their applications in various fields.

Technical Specifications & Labeling

The process specification and identification (product parameters) of (5- or 8-) aminonaphthalene-2-sulfonic acid have been used in ancient times. The process of this product, the first heavy material is accurate. Naphthalene is selected as the base, and it is sulfonated and nitrified in sequence. The temperature and dosage must be appropriate. When sulfonating, the agent of sulfonic acid is selected, and the temperature is controlled to be appropriate, so that the naphthalene is sulfonated to obtain naphthalene sulfonic acid. Subsequent nitrification, the preparation of nitrides, and the adjustment of temperature are related to the purity of the product.
In terms of identification, the name of the product must be clearly stated, and the name of (5- or 8-) aminonaphthalene-2-sulfonic acid should be And the nature of standardization, such as white or yellowish, the state is crystal powder, with a specific degree of melting, boiling, and solubility. To clarify its danger again, the method of prevention, and the safety of the user. Product parameters are also listed in detail, the amount of content and the limit of impurities are all important items, so that the process specifications and labels are accurate.

Preparation Method

The method of preparing (5Or8) -Aminonaphthalene-2 -Sulphonic Acid is as follows: Prepare the raw materials first, and require naphthalene, sulfuric acid, nitric acid and other substances. Naphthalene is used as the group, and the sulfonation process is carried out with sulfuric acid to obtain the sulfonic acid group of the naphthalene. This is preliminary. Then it reacts with nitric acid to introduce nitro groups to form nitro-naphthalene sulfonic acids. During the reaction process, it is appropriate to control the temperature and speed to achieve the best state.
Then, the obtained product is reduced to the amino group by an appropriate method to obtain (5Or8) -Aminonaphthalene-2 -Sulphonic Acid. The reduction step requires the selection of a suitable reducing agent, and the operation is carried out in sequence to observe the change of the reaction.
In the production process, the choice of equipment is also important, and the reaction conditions must be adapted. And at each step, the product is carefully checked to ensure its purity. In this way, the best (5Or8) -Aminonaphthalene-2 - Sulphonic Acid product can be obtained.

Chemical Reactions & Modifications

The reaction and modification of the chemical products of Guanfu (5- or 8-) -aminonaphthalene-2-sulfonic acid are really an important topic of chemical research. In the past, the reaction path of this compound may have been unknown, and the modification effect was not perfect.
The principle of covering chemistry lies in exploring the laws of material changes. For (5- or 8-) -aminonaphthalene-2-sulfonic acid, its molecular structure is unique and its reactivity has its own characteristics. In the past, the control of reaction conditions or deviations caused the reaction results to fail to meet expectations.
However, today is different from the past. Researchers have dedicated themselves to studying the reaction mechanism, adjusting the reaction conditions, such as temperature, pH, and the use of catalysts, so that the reaction is more accurate and the modification effect can be improved. After many attempts, the optimization of the reaction path has made (5- or 8-) -aminonaphthalene-2-sulfonic acid show greater potential in the fields of chemical industry and materials, which is a sign of the progress of chemical research.

Synonyms & Product Names

(5- or 8-) aminonaphthalene-2-sulfonic acid, the same trade name as this product, is worth exploring. I am well aware of the importance of communication and cultural investigation in the same market.
This (5- or 8-) aminonaphthalene-2-sulfonic acid, which is the same as, or has the name named according to the special name, to help researchers understand its transformation from different angles. And the name of the trade name, which recognizes the characteristics of the product and expands the market, can also reflect the positioning of the product in the business field.
Exploring the same product name is conducive to a comprehensive grasp of the product's technical and commercial aspects, such as research, production, and application, providing a rich and comprehensive review.

Safety & Operational Standards

(5- or 8-) Aminonaphthalene-2-sulfonic acid, this chemical substance, is related to its safety and operating standards, and is extremely important.
During production and preparation, the use of all raw materials must be accurate. The utensils used must also be clean and intact to prevent impurities from mixing in and causing the product to be impure. During the reaction process, the control of temperature and pressure is like riding in the wind and waves, and it should not be sloppy at all. If the temperature is too high, it may cause excessive reaction and cause danger; if the temperature is too low, the reaction will be slow and affect the output.
Operators must undergo rigorous training, be familiar with the operation process, and wear appropriate protective clothing, such as special protective clothing, gloves, goggles, etc., to guard against possible hazards. The workplace should be well ventilated and the exhaust gas should be properly handled, so as not to pollute the environment and ensure the well-being of personnel.
When storing, it should be placed in a cool, dry place, away from fire sources and oxidants. If it is not stored properly, or the product may deteriorate, it may also cause safety accidents. Handling should be handled with care to prevent package damage and material leakage.
If you accidentally come into contact with this object and splash it on the skin, you should immediately rinse it with a lot of water; if it enters the eyes, you need to rinse it with running water immediately and seek medical attention in time. In case of fire, it is advisable to use a specific fire extinguishing agent to put out the fire, and must not act blindly.
This is the most important thing for the safety and operation of (5- or 8-) aminonaphthalene-2-sulfonic acid products. Don't be negligent and cause trouble.

Application Area

(5 or 8) -Aminonaphthalene-2-sulfonic acid, this compound has a wide range of uses. In the field of printing and dyeing, it can be used as a dye intermediate. Through exquisite chemical processes, various bright and fastness dyes can be derived for fabric printing and dyeing, making fabrics colorful. In the pharmaceutical and chemical industry, it also plays an important role as a key raw material for the synthesis of specific drugs, assisting in the research and development of medicine, and contributing to the treatment of diseases. In addition, in the preparation of some special materials, (5 or 8) -Aminonaphthalene-2-sulfonic acid participates in it, giving the material different properties, such as enhancing stability or improving adsorption. It is indispensable in many application fields, just like a shining pearl, and contributes to the development of the chemical industry.

Research & Development

The chemical industry is changing with each passing day. (5Or8) -Aminonaphthalene-2 -Sulphonic Acid is of great significance in our research.
We have dedicated ourselves to studying its properties and studying its reaction mechanism. Looking at its characteristics under various conditions, it may be color change or quality change. To understand the relationship between its structure and properties, in order to optimize the synthesis method.
At the beginning, the synthesis was difficult and the yield was not as satisfactory. However, we did not dare to slack off. After repeated experiments, we adjusted various parameters such as temperature, pressure, and reagent ratio. In the end, we obtained an exquisite method, with gradually increasing yield and good product purity.
Looking to the future, this product has broad application prospects. In the industry of dyes, it may add color and luster; in the field of medicine, it may also have wonderful effects. We should make unremitting efforts to promote its development and do our best for the prosperity of chemical industry.

Toxicity Research

The toxicity of (5Or8) -aminonaphthalene-2-sulfonic acid is of great concern. This substance may be used in various chemical industries, but its toxicity is unknown, so we should be careful.
Looking at the harm of poisons in the past, all because their properties were not known at the beginning, they were used rashly, causing damage to life and the environment. (5Or8) -aminonaphthalene-2-sulfonic acid should not be underestimated.
We should use a rigorous method to explore its toxicity. Observe its impact on various organisms under different media and concentrations. Observe whether it is easy to enter the body of organisms, how it is metabolized in the body, and whether it will accumulate.
In addition, consider whether it will react with other substances in the environment to generate more toxic substances. And study its degradation method. If it is accidentally leaked, how to quickly remove it and reduce its harm. In this way, it can understand its toxicity, ensure the well-being of all beings, and protect the peace of the environment.

Future Prospects

(5- or 8-) aminonaphthalene-2-sulfonic acid, which is an important substance for chemical research. I look at its future development and have great potential. In the field of dyes, it may give birth to more gorgeous and lasting colors, making the fabric color lasting for a long time. In pharmaceutical research and development, it may become a key intermediate, helping to create new drugs with better curative effects and relieving the pain of patients. Furthermore, in materials science, its unique chemical structure may lead to the birth of new functional materials, such as those with special adsorption or electrical conductivity. I firmly believe that with time and unremitting research, (5- or 8-) aminonaphthalene-2-sulfonic acid will shine in many fields, contribute to human well-being and create a brilliant future.

Frequently Asked Questions

What are the physical properties of -Aminonaphthalene-2-Sulphonic Acid?

(5 or 8) -Aminonaphthalene-2-sulfonic acid is a kind of organic compound. Its physical properties are as follows:
Looking at its color state, it is often white to light yellow crystalline powder, which is the appearance of the eye. In terms of solubility, it has a certain solubility in water. Due to the presence of sulfonic acid groups, it has a certain hydrophilicity. However, its solubility is not infinite, but is restricted by many factors, such as temperature, solvent purity, etc. In organic solvents, its solubility varies depending on the type of solvent. In polar organic solvents, the solubility may be relatively large, and in non-polar organic solvents, the solubility is small.
When it comes to melting point, this compound has a specific melting point value. The determination of melting point can help to distinguish its purity. The melting point of pure products is relatively fixed. If it contains impurities, the melting point may be offset or the melting range may be widened. Its density is also one of the inherent physical properties. Although it is not easy to observe on a daily basis, it is of great significance to material measurement and reaction system design in chemical production and scientific research.
It is relatively stable in air, but it changes due to long-term exposure or factors such as humidity and light. If it is exposed to light or caused by photochemical reactions, its chemical structure and properties will be affected. The physical properties of this compound are widely used in chemical synthesis, dye preparation and other fields. Knowing its properties can make good use of it and achieve the expected efficacy.

(5Or8) What are the chemical properties of -Aminonaphthalene-2-Sulphonic Acid

(5 or 8) -Aminonaphthalene-2-sulfonic acid, this is an organic compound. Its chemical properties are quite rich, and I will describe them in detail.
First of all, its acidity. Because of its sulfonic acid group, this is a strongly acidic group that can ionize hydrogen ions in water, so it is acidic. In many chemical reactions, it can exhibit the characteristics of acids, such as neutralizing with bases to generate corresponding salts and water. This reaction reflects its generality as an acid, interacting with bases. According to the theory of acid-base protons, the sulfonic acid group gives protons, which combine with the hydroxyl ions provided by the base to form water, and itself is converted into the corresponding sulfonic anion.
Furthermore, its amino group also has important chemical activities. The amino group is a nucleophilic group and is rich in electrons, so it can participate in nucleophilic substitution reactions. For example, under suitable reaction conditions, it can react with halogenated hydrocarbons. The nitrogen atom in the amino group attacks the partially positively charged carbon atom in the halogenated hydrocarbons with its lone pair electrons, and the halogen atom leaves to form new nitrogen-containing organic compounds. This reaction is crucial in the field of organic synthesis, which can be used to construct more complex organic molecular structures.
At the same time, the existence of the naphthalene ring endows the compound with certain stability and unique electronic effects. The naphthalene ring is a conjugated system, and the electron cloud can be delocalized, which reduces the energy of the whole molecule and enhances the stability Moreover, the electron cloud distribution on the naphthalene ring will be affected by the amino group and the sulfonic acid group, which in turn affects its reactivity and selectivity. For example, the positioning effect of amino group and sulfonic acid group will cause the reactivity of carbon atoms at different positions on the naphthalene ring to vary. In the electrophilic substitution reaction, the amino group is an ortho-and para-site locator, and the sulfonic acid group is an meta-site locator, which determines the main position where the electrophilic reagent attacks the naphthalene ring and affects the structure of the reaction product.
In addition, the compound may also participate in other types of reactions such as oxidation-reduction reactions. Under specific oxidation conditions, groups such as amino groups or sulfonic acid groups may be oxidized to form products in different oxidation states, which is also an important manifestation of their chemical properties. In conclusion, the chemical properties of (5 or 8) -aminonaphthalene-2 -sulfonic acids are rich and diverse, which are of great significance in the research of organic chemistry and related chemical production.

(5Or8) What are the main uses of -Aminonaphthalene-2-Sulphonic Acid?

(5 or 8) -Aminonaphthalene-2-sulfonic acid, this substance has a wide range of uses. In the chemical industry, it is often a key raw material for dye synthesis. In the past, dyestuffs relied on this substance to produce dyes with bright color and good fastness. It can be converted into various dye intermediates through a series of delicate chemical reactions, and then synthesize colorful dyes for fabric printing and dyeing, etc., so that the fabric has a long-lasting colorful color.
In the field of medicine, it also has certain potential value. Although its pharmacological research has not been as in-depth as it is today, according to later research, its structural properties may provide ideas for drug development. It may be used as the basis for drug molecular modification, endowing drugs with specific activity and function, and helping to overcome disease problems.
In the path of scientific research and exploration, (5 or 8) -aminonaphthalene-2-sulfonic acid is also an important chemical reagent. Chemists use its unique chemical properties to carry out research on many chemical mechanisms, create new compounds, etc., to promote the continuous development of chemistry, open up unknown chemical fields, and lay the foundation for human cognition of the world and the use of chemistry to create a better life.

What is the preparation method of (5Or8) -Aminonaphthalene-2-Sulphonic Acid

The preparation method of (5 or 8) -aminonaphthalene-2-sulfonic acid, although it is not contained in Tiangong Kaiji, can be prepared by chemical general method.
To obtain (5 or 8) -aminonaphthalene-2-sulfonic acid, naphthalene can be used as the starting material. After the naphthalene is sulfonated, under appropriate conditions, the sulfonic acid group can be introduced at the second position of the naphthalene ring. This requires the selection of suitable sulfonating reagents, such as concentrated sulfuric acid or fuming sulfuric acid. During the reaction, temperature, time and reagent dosage are all key factors, and proper control can make the positioning of the sulfonic acid group accurate.
After the sulfonation of 2-naphthalene sulfonic acid, the nitration reaction is At this time, it is necessary to choose a suitable nitrifying reagent, such as mixed acid (mixture of nitric acid and sulfuric acid). The reaction conditions are skillfully regulated, so that the nitro group is introduced at the 5th or 8th position of the naphthalene ring to generate 5-nitro-2-naphthalenesulfonic acid or 8-nitro-2-naphthalenesulfonic acid.
Then, the nitro group is reduced to an amino group. Iron powder, zinc powder and other gold are often used as reducing agents in acidic media, or catalytic hydrogenation is used to convert the nitro group into an amino group smoothly, and finally (5 or 8) -aminonaphthalenesulfonic acid is obtained. After each step of the reaction, it needs to be separated and purified to obtain high-purity products, such as recrystallization, extraction, column chromatography, etc. In this way, the compound can be obtained.

(5Or8) What is the price range of -Aminonaphthalene-2-Sulphonic Acid in the market?

The price range of (5 or 8) -aminonaphthalene-2 -sulfonic acid in the market is difficult to determine. Although this compound has its use in the chemical industry, the price often fluctuates due to many factors.
In the past, although "Tiangong Kaiwu" contained various events in the chemical industry, there was no specific price for this compound at that time. Today, first, the price of raw materials has a great impact. If the starting materials for preparing this acid are scarce or expensive, the price of the finished product will also rise. Second, the complexity of the production process is related to the cost. Complex processes require more equipment and manpower, resulting in higher prices. Third, market supply and demand are also key. If demand exceeds supply, the price will inevitably rise; if supply exceeds demand, the price will easily drop.
And the prices of products produced by different quality grades and different suppliers are also different. The quality is excellent, the price is always high; the general quality, the price or close to the people. Therefore, in order to know the exact price range, it is necessary to carefully observe the current raw material market, production status and market supply and demand situation, and also need to compare the quotations of each supplier to obtain a more accurate price range.