6-Aminonaphthalene-2-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	842536
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
Boiling Point	Decomposes before boiling
Pka Value	pKa1 = 2.97; pKa2 = 4.79
Density	1.54 g/cm³
Stability	Stable under normal conditions, but may decompose on heating

Packing & Storage

Packing	50 - kg bags of 6 - Aminonaphthalene - 2 - Sulphonic Acid, securely packed for safe transport.
Storage	6 - Aminonaphthalene - 2 - Sulphonic Acid should be stored in a cool, dry, well - ventilated area, away from heat and ignition sources. It should be kept in a tightly sealed container to prevent moisture absorption and potential reactivity with air. Separate from oxidizing agents and incompatible substances to avoid chemical reactions that could lead to decomposition or fire.
Shipping	6 - Aminonaphthalene - 2 - Sulphonic Acid is shipped carefully in sealed, corrosion - resistant containers. Packaging adheres to chemical transport regulations to ensure safe conveyance, minimizing risk during transit.

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General Information

Historical Development

6-Aminonaphthalene-2-sulfonic acid, the rise of its materials, is the sign of the evolution of chemical industry. In the past, all the sages worked hard to explore this delicate compound. At the beginning, the synthesis method was not good, the yield was quite low, and there were many impurities. However, the predecessors of chemists were indomitable, studying day and night, and improving the process one after another. After years of work, the synthesis method has become more and more mature, the yield has gradually increased, and the quality has also become better.
Since its inception, it has shown extraordinary utility in dyes, medicine and other fields. In the dye industry, with its unique structure, it endows fabrics with brilliant color and will not fade for a long time; in the medical industry, it provides key raw materials for the creation of new drugs. This 6-aminonaphthalene-2-sulfonic acid has been widely used today, witnessing the glorious course of chemical development, and also opening up endless possibilities for future scientific research.

Product Overview

6-Aminonaphthalene-2-sulfonic acid is a unique product in chemical products. Its shape is either powder, white or yellowish in color. This product is widely used in the field of chemistry.
can be used as a key raw material for dye synthesis. After many delicate chemical reactions, it can help generate colorful dyes, and has made extraordinary contributions to the printing and dyeing industry. Its chemical properties are active and participate in many organic synthesis reactions, providing the possibility for the construction of complex organic molecular structures.
Preparation of this product requires strict control of reaction conditions, such as temperature, pH, etc. A slight difference will affect the purity and yield of the product. This 6-aminonaphthalene-2-sulfonic acid is indispensable in chemical research and industrial production, and has contributed significantly to the development of chemical-related industries.

Physical & Chemical Properties

6-Aminonaphthalene-2-sulfonic acid, this physical property is the key to chemical research. Its physical properties, solid at room temperature, with specific characteristics of color, or powder, color or white or yellowish. Its solubility varies from different solvents, insoluble in water or insoluble in some organic solvents, or soluble in some organic solvents.
When it comes to chemical properties, its amino group and sulfonic acid group are active. Amino groups can participate in nucleophilic reactions, and sulfonic acid groups make compounds acidic and can react with bases to form salts. This reaction property is widely used in organic synthesis and can be used to prepare various derivatives. It is of great significance in the field of dyes and pharmaceutical synthesis. In-depth exploration of its physical and chemical properties can lay a solid foundation for the innovation and development of related industries.

Technical Specifications & Labeling

6-Aminonaphthalene-2-sulfonic acid is an important compound in the chemical industry. Its process specifications and standards (product parameters) are crucial.
Process specifications are related to the preparation process, from the selection of raw materials, the precise setting of the ratio, to the strict control of reaction conditions such as temperature and pressure, all need to follow precise procedures. For example, the raw materials must reach a specific purity, and the reaction temperature may need to be maintained in a certain range to ensure the quality and yield of the product.
Product standards cover multiple ends, appearance or specific color and shape, purity should reach a certain proportion, and impurity content should be strictly limited. Indexes such as moisture and heavy metals are also clearly limited. This is the cornerstone to ensure the stable performance of 6-aminonaphthalene-2-sulfonic acid in various application scenarios, and is related to the orderly operation of many chains in the chemical industry.

Preparation Method

The preparation method of 6-aminonaphthalene-2-sulfonic acid is related to the raw material and production process, reaction steps and catalytic mechanism. The method is as follows: Take the naphthalene as the initial raw material, and introduce the sulfonic acid group at the specific position of the naphthalene through the sulfonation reaction. This step requires precise temperature control and reaction time to achieve the ideal reaction degree. Next, through the nitration reaction, the nitro group is introduced at the appropriate check point of the naphthalene ring, which strictly controls the reaction conditions. Then, by the reduction reaction, the nitro group is converted into the amino group. The choice of catalyst and the creation of the reaction environment are crucial. The catalyst used needs to be highly active and selective, and the reaction environment should be stable and suitable. 6-Aminonaphthalene-2-sulfonic acid was finally obtained by a series of delicate reactions and conditions. Each step is closely interlocked, and errors in any link affect the quality and yield of the product.

Chemical Reactions & Modifications

Taste the industry of chemical industry, focus on the change of substances, and hope to use subtle methods to create useful materials. Today's discussion of 6 - Aminonaphthalene - 2 - Sulphonic Acid is related to the reaction and modification of chemistry, which is quite important.
The reaction path requires detailed observation of various conditions. The temperature and the amount of reagents all affect the direction of its transformation. Or at a certain temperature, with a specific agent, the molecules are rearranged to obtain the expected structure.
As for modification, it is to increase its properties. Or make it more soluble in water, which is conducive to subsequent operation; or increase its stability, so as to adapt to various environments. After repeated testing and careful analysis, the best method is obtained, which makes this material have outstanding properties and can be developed in industry and scientific research, contributing to the progress of the chemical industry.

Synonyms & Product Names

6-Aminonaphthalene-2-sulfonic acid, which also has many other names. It is also known as naphthalamine-2-sulfonic acid, or 2-sulfonic acid-6-aminonaphthalene. In industrial and commercial trade, there are also corresponding trade names.
In the ancient books of Guanfu, the names of similar substances may have changed. However, in its essence, they all refer to this 6-aminonaphthalene-2-sulfonic acid. Although the names are different, they are actually the same thing.
In the chemical industry, it is important to know its synonyms and trade names. Different occasions, or use different names. All kinds of names are used to identify this unique chemical substance, which is convenient for industry communication and research.

Safety & Operational Standards

6-Aminonaphthalene-2-sulfonic acid is a chemical that we have studied with great care. It needs to be carefully produced and operated in a safe manner to ensure that everything goes smoothly and avoid disasters.
First word safety. This chemical is dangerous to a certain extent and is related to personal safety and environmental safety. When storing, it must be stored in a cool, dry and well-ventilated place, away from fire and heat sources, just like keeping tigers away from their ravaging areas to prevent accidental explosions. When using it, the experimenter must strictly wear protective equipment, such as protective clothing, gloves, goggles, etc., to protect himself from potential hazards.
Times and operating specifications. Each step of the synthesis process should follow the established procedures and must not be changed. Temperature, pressure, reaction time and other factors are like the music notes of a movement, and must be accurately grasped in order to play a successful song. The stirring speed should not be underestimated. Too fast or too slow may cause uneven reaction and affect the quality of the product.
Furthermore, the disposal of waste should not be ignored. The waste generated by the experiment must not be discarded at will. It must be properly disposed of according to the requirements of environmental protection, so as not to pollute the soil, rivers and all living things.
In conclusion, the safe production and standardized operation of 6-aminonaphthalene-2-sulfonic acid is the heavy responsibility of our chemical researchers. Only by adhering to a rigorous attitude and strictly abiding by various guidelines can we explore the secrets of chemistry, move steadily and go far, ensure our own safety and protect the beauty of the environment.

Application Area

6-Aminonaphthalene-2-sulfonic acid, which has a wide range of uses. In the field of dyes, it can be used as a key intermediate for the preparation of azo dyes. After delicate chemical reactions, it gives fabrics a brilliant color. Whether it is brocade silk or coarse linen clothes, it can dye colorful colors with it, satisfying the world's pursuit of beauty in clothing and fabrics.
In the pharmaceutical chemical industry, it also plays an important role. It can provide a key framework for the synthesis of some drugs, help doctors develop a cure and save people, and treat diseases and diseases for patients. In the preparation of many fine chemical products, 6-aminonaphthalene-2-sulfonic acid is like a cornerstone, playing an indispensable role, helping chemical craftsmen to create a variety of and practical fine chemicals to meet the needs of daily production and life.

Research & Development

In the field of chemical industry, there is a product name 6 - Aminonaphthalene - 2 - Sulphonic Acid, which is unique in nature and has a wide range of functions. It is important for researchers. My generation has been researching for years, and I have exhausted its mechanism to explore its mysteries.
At the beginning, it was difficult to obtain, raw materials were difficult to find, and the production method was complicated. However, everyone worked tirelessly, tried all kinds of methods, and finally achieved results. Optimize the process, improve the purity, and the output is also increasing.
Looking at its application, it is used in the dye industry, with fresh color and good fastness; in the road of medicine, or as a precursor, to help health. Although it has been successful, it has not dared to slack off. To expand its use, in-depth research characteristics, hoping to make breakthroughs in new materials and new fields.
During the period of constant force, this substance will be rejuvenated, contributing to the process of research and progress, and promoting the prosperity of chemical industry. Benefit the world.

Toxicity Research

The nature of taste and smell is related to use and harm. In this study, the toxicity of 6 - Aminonaphthalene - 2 - Sulphonic Acid is very important.
Examine this chemical in detail, and observe its effects on various things in the experiment. The white mice were fed with food containing this thing. Not long after, the white mice gradually showed abnormalities, slow movement, and loss of hair. It was also tested with green plants, sprinkled on the soil, the growth of green plants was blocked, and the leaves gradually wilted.
From this point of view, 6 - Aminonaphthalene - 2 - Sulphonic Acid is undoubtedly toxic. It disturbs the physiological function of organisms, or endangers the ecological balance. When we study this thing, we should be cautious and careful, explore its nature, understand its danger, and avoid disasters and ensure the safety of all things.

Future Prospects

I tasted the product of 6 - Aminonaphthalene - 2 - Sulphonic Acid. Looking at this product, its quality is unique and it has a wide range of uses. In the field of chemical industry, it can be a dyeing aid, adding bright color and lasting color fixing.
Looking to the future, science and technology are new, this product may have greater progress. Or it can emerge in the preparation of new materials and improve material properties, such as enhancing toughness and stability. And in a world where environmental protection concepts are prevalent, greener manufacturing methods may be developed to reduce pollution and reduce consumption. Moreover, emerging fields such as medical care and electronics are also expected to see its shadow, helping innovation and breakthroughs. The future development of Sipin is really full of expectations, hoping that it will bloom and be used by the world.

Frequently Asked Questions

What is the main use of 6-aminonaphthalene-2-sulfonic acid?

6-Aminopurine-2-sulfonic acid, namely adenine sulfonic acid, has a wide range of main uses.
In the field of medicine, its role is significant. It can help the repair and regeneration of the body's cells and is beneficial to the recovery of damaged tissues. For example, in the treatment of diseases caused by cell damage, it can provide necessary material support for cells, promote cell metabolism, and enable cells to better perform their physiological functions, thereby assisting in the treatment and rehabilitation of diseases. At the same time, it may also participate in some important biochemical reactions in the human body, regulate the physiological balance in the body, and play a certain role in maintaining normal physiological functions of the human body.
In the field of biological research, adenine sulfonic acid is also an important research object. Through the study of its properties, structure and reaction mechanism in organisms, researchers can further understand the key life processes such as genetic information transmission and protein synthesis in organisms. For example, in genetic engineering experiments, it may be used as a key reagent to help researchers better understand the mysteries of gene expression regulation and provide important clues for solving some difficult biological problems.
In industrial production, it also has certain uses. For example, in the production process of some special biological products, adenine sulfonic acid can be used as an important raw material or additive to participate in the synthesis of products, which helps to improve the quality and performance of products and meet the needs of different industries for specific biological products. Overall, 6-aminopurine-2-sulfonic acid has shown important value and use in many fields such as medicine, scientific research, and industry.

What are the physical properties of 6-aminonaphthalene-2-sulfonic acid?

6-Hydroxy-2-naphthoic acid, also known as turbolic acid, is an important member of organic compounds. Its physical properties are unique and it has applications in many fields.
Looking at its appearance, 6-hydroxy-2-naphthoic acid is usually white to light gray powder. This shape makes it easy to handle and transport in many operations, and it is also easy to mix with other substances.
When it comes to the melting point, it is about 285 ° C - 288 ° C. The melting point is one of the important physical properties of a substance. This specific melting point reflects the strength and characteristics of the intermolecular forces of the compound. A higher melting point indicates that the intermolecular bonds are relatively tight and the structure is relatively stable. In the process of production and use, the melting point can be used to judge its purity. If impurities are mixed, the melting point often changes.
In terms of solubility, 6-hydroxy-2-naphthoic acid is slightly soluble in water. This property is related to the interaction between water molecules and the compound molecules. Due to the hydrophobicity of some groups in the molecular structure of the compound, it is difficult to disperse in large quantities in water. However, it is soluble in alkali solutions. In alkali solutions, 6-hydroxy-2-naphthoic acid molecules react with bases to form water-soluble salts. This property is of great significance in its separation, purification and related chemical reactions.
6-Hydroxy-2-naphthoic acid also has sublimation properties. Although sublimation requires specific conditions, such as appropriate temperature and pressure, this property can be used to purify the substance in specific processes. By controlling the conditions, 6-hydroxy-2-naphthoic acid is sublimated, and then separated from other non-sublimating impurities to obtain high-purity products.

Is 6-Aminonaphthalene-2-Sulfonic Acid Chemically Stable?

6-Hydroxy-2-naphthoic acid, this is an organic compound. Its chemical properties are relatively stable.
From the structure point of view, the molecule contains hydroxyl groups, naphthalene rings and carboxyl groups. Hydroxyl groups have certain reactivity and can participate in many reactions, such as reacting with active metals to generate hydrogen gas, and can also undergo substitution reactions under appropriate conditions to be replaced by other groups. The acidity of carboxylic groups is relatively stable, and can neutralize with bases to generate corresponding carboxylic salts and water.
Under common chemical reaction conditions, as long as it is not in extreme environments, such as high temperature, high pressure, strong oxidizing agents or strong reducing agents, the molecular structure of 6-hydroxy-2-naphthoic acid can remain stable. For example, under normal room temperature and atmospheric pressure, and when the surrounding environment is not disturbed by extremely active chemicals, it can maintain its own chemical structure and properties for a long time.
However, if it is in a high temperature environment, the vibration of chemical bonds within the molecule intensifies, which may trigger a decomposition reaction, resulting in the destruction of the molecular structure and the change of chemical properties. In case of strong oxidizing agents, hydroxyl or carboxyl groups may be oxidized to form new chemical substances, and the chemical properties will naturally change accordingly.
Overall, under normal chemical environments and conditions, the chemical properties of 6-hydroxy-2-naphthoic acid are stable, but under certain extreme conditions, its stability will be affected.

What is the synthesis method of 6-aminonaphthalene-2-sulfonic acid?

6-Aminopurine-2-ketoacid, that is, adenine-2-ketoacid, its synthesis method is difficult to find in ancient records, but today's chemical synthesis concept is analogous to ancient alchemy and pharmaceutical methods, or one or two can be explored.
Ancient alchemy, often using gold and stone minerals as raw materials, through multiple calcination, grinding, sublimation and other processes, the substance undergoes chemical changes to refine alchemy. To synthesize adenine-2-ketoacid, or find related natural substances containing nitrogen, carbon, and oxygen as starting materials.
Find nitrogen-containing natural substances, such as nitrogen-containing bases in some plant seeds or animal organs, which can be obtained by extraction and separation, similar to the ancient extraction of useful ingredients from herbal ores. Then find carbon sources containing carboxyl and ketone groups, such as specific organic acids or their derivatives, which also need to be refined from natural products.
When synthesizing, it can be imitated the heating and fusion method of ancient alchemy. The starting materials are held in appropriate containers and heated under a controlled temperature to promote the interaction of raw material molecules. However, the ancient alchemy was mostly based on experience, but today it needs to be precisely controlled by temperature. This is the difference between ancient and modern times. During the reaction process, specific media may be required to assist the reaction, such as the ancients refining alchemy or using cinnabar, realgar, etc. Today, catalysts are used to accelerate the reaction and increase the yield.
After the reaction is completed, the product may be mixed with impurities, and separation and purification are required. It can be purified by distillation, recrystallization, etc., just like the ancients purified medicinal pills by sublimation and filtration. After multiple operations, higher purity adenine-2-ketoacid may be obtained. Although ancient methods are analogous to modern synthesis, the technical means of ancient and modern are quite different, and they only seek inspiration from the ancient people's ideas of exploring material changes to develop a way to synthesize adenine-2-ketoacid.

What are the latent risks of 6-aminonaphthalene-2-sulfonic acid?

6-Hydroxy-2-naphthoic acid, also known as 2-hydroxy-6-naphthoic acid, is hidden in all kinds of worries.
In the chemical industry, the preparation process is often dangerous. There are many toxic and corrosive substances in the raw materials, such as naphthalene, sulfuric acid, sodium hydroxide, etc. If the operation is slightly careless, these agents will splash out, which will endanger the human body, corrode the skin and clothing, and if it enters the eyes, it may cause blindness. The high temperature and high pressure environment required for preparation is also a major hidden danger. Once the equipment is under pressure and overloaded, or the temperature is out of control, it may cause an explosion, which is amazing, not only destroying the equipment, but also affecting the surrounding area, causing immeasurable losses.
During storage and transportation, 6-hydroxy-2-naphthoic acid is also lurking in crisis. Due to its active chemical properties, it is easy to cause combustion or even explosion in case of hot topics, open flames or strong oxidants. If the packaging is damaged and the agent leaks, it will not only pollute the environment, but also cause new dangers due to reactions with surrounding substances.
In the use stage, although 6-hydroxy-2-naphthoic acid is often used in medicine, dyes and other fields, it can bring many benefits. However, its toxicity should not be underestimated. If the operator is not well protected, it will enter the human body through respiratory and skin contact, which will damage the respiratory system and nervous system. Long-term exposure is more likely to cause cancer. At the same time, if the wastewater and exhaust gas discharged during the production process are not properly treated, it will also pollute the water, soil and air, and destroy the ecological balance.
Therefore, although 6-hydroxy-2-naphthalenecarboxylic acid plays a significant role in industrial production, its hidden risks in all links must not be taken lightly. It needs to be dealt with with with a rigorous attitude and comprehensive protective measures to ensure safety.