1-Naphthylamine-8-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	901828
Chemical Formula	C10H9NO3S
Molar Mass	223.25 g/mol
Appearance	Pale yellow crystals
Solubility In Water	Soluble in hot water
Melting Point	164 - 166 °C
Pka	1.96 (first dissociation)
Boiling Point	Decomposes
Density	1.48 g/cm³
Stability	Stable under normal conditions
Odor	Odorless

Packing & Storage

Packing	1 - Naphthylamine - 8 - Sulphonic Acid packaged in 1 - kg bags for easy handling.
Storage	1 - Naphthylamine - 8 - Sulphonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and oxidizing agents. Store it in tightly closed containers to prevent moisture absorption and potential air - induced degradation. Avoid contact with incompatible substances and ensure proper labeling for easy identification and safe handling.
Shipping	1 - Naphthylamine - 8 - Sulphonic Acid is shipped in carefully sealed, corrosion - resistant containers. Shipment must comply with chemical transport regulations, ensuring proper handling to prevent leakage and environmental/health risks.

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General Information

Historical Development

1 - Naphthylamine - 8 - Sulphonic Acid, the development of its products has been going on for a long time. In the past, the sages worked tirelessly in the field of chemistry. At the beginning, the clue of this compound was hidden in the complicated research. Everyone with perseverance, explored its properties and found its preparation method. After years of hard work, in the synthesis technology, gradually refined. Begin to be able to make this compound in a better way. The course of the past is like a star, illuminating the way of the development of this compound. From its initial appearance to the maturity of the technique, countless wise people fell in love with it. This is the process of chemical research, and it is also the track of the growth of 1 - Naphthylamine - 8 - Sulphonic Acid, witnessing the brilliant evolution of chemistry.

Product Overview

1 - Naphthylamine - 8 - Sulphonic Acid is an important substance in chemical research. Its shape may be crystalline, and its color may be white to yellowish. This compound has considerable use in dyes, medicine and other fields.
In the dye industry, it can provide key ingredients for pigment synthesis, imparting pigments with unique color and excellent fastness. In pharmaceutical research and development, or because of its specific chemical structure, it has potential biological activity and can be used as an opportunity to explore new agents.
Preparation of this product requires fine steps and suitable conditions. Or through naphthylamine and sulfonation reagents, at precise temperature and reaction time, through a specific chemical reaction. However, the preparation process also needs to pay attention to safety and environmental protection, because its raw materials may be dangerous.
In summary, 1 - Naphthylamine - 8 - Sulphonic Acid occupies an important position in chemical research and industrial practice due to its diverse uses and unique properties, and should be further explored and rationally utilized.

Physical & Chemical Properties

1 - Naphthylamine - 8 - Sulphonic Acid is also a chemical substance. Its properties are physical and chemical. Physical, color or white, or crystalline, there is a certain melting and boiling. The melting factor is the degree of self-solidification of the liquid, and under specific conditions, it has its fixed value.
Its chemical properties, containing an amine group. The amine group is chemical, which can be formed by acid reaction; the sulfonic acid group is acidic, which can cause neutralization. These two make 1 - Naphthylamine - 8 - Sulphonic Acid in chemical reaction, which can be synthesized, synthesized, and used in chemical research and manufacturing. The clarity of its nature is of paramount importance to the field of development. Research assistants explore its use and expand its path.

Technical Specifications & Labeling

1 - Naphthylamine - 8 - Sulphonic Acid is also a chemical product. Its technical quality (commodity quality) is essential. Those who are skilled need to explain the degree of its composition and the degree of refinement. If it is contained, it must be added to the degree, and there must be no difference. Its physical rationality, such as the color and shape of the outer surface, also needs to be improved. Melting, boiling, etc., are all good.
In terms of quality, the business needs to be clear and discernible, and the product name is good and cannot be ambiguous. The product is clear, such as molecular weight, molecular formula, etc., so that the user can see it at a glance, so that it can be used in general purposes. It is appropriate to apply this product, and there is no difference.

Preparation Method

The method of preparing 1-Naphthylamine-8-Sulphonic Acid, the first raw material selection. When using naphthylamine and sulfuric acid as the base material, the ratio of the two needs to be accurate. The preparation process involves slowly pouring naphthylamine into sulfuric acid, during which the temperature should be controlled moderately, so as not to cause the reaction to be disordered due to overheating.
The reaction step should be slow, and the stirring should be smooth, so that the two can be fully blended. After the initial mixing, move it to a special reactor and continue to heat it to a specific temperature to make the reaction advance steadily.
The catalytic mechanism is very important, and choosing a suitable catalyst can promote the reaction to be efficient. In this reaction, a certain type of metal salt can be selected as the catalyst, and the dosage can be precisely adjusted to achieve the best catalytic effect In this way, through this series of careful handling, can be 1 - Naphthylamine - 8 - Sulphonic Acid of the finished product.

Chemical Reactions & Modifications

1 - Naphthylamine - 8 - Sulphonic Acid is also a chemical substance. In chemical research, its reaction and modification are very important.
To observe its chemical reaction, or to combine with other substances, or to decompose itself, all obey the laws of chemistry. To improve the properties of this substance, it is necessary to understand the mechanism of its reaction. After various experiments, it can be seen that changing the conditions of the reaction, such as temperature, pressure, and catalyst, can deeply affect its reaction and performance.
Increasing the temperature may accelerate the rate of the reaction, but if it is too high, it may cause a cluster of side reactions. Changes in pressure will also shift the equilibrium of the reaction. The addition of the catalyst can often change the way of the chemical reaction, reduce the activation energy of the reaction, make the reaction more likely to occur, and optimize the properties of the product. Through the study of its chemical reaction and modification, it may be able to open up the application of this substance in more fields, adding bricks and mortar to chemical research.

Synonyms & Product Names

1 - Naphthylamine - 8 - Sulphonic Acid is also a chemical product. It has the same trade name and can be investigated. This compound is also used as 8-amino-1-naphthalenesulfonic acid. In the market, there may be a product with this name for general chemical use. The name of its name is due to differences in industry and region. The name of the chemical research must be clearly stated before it can be used. What is the name of the product, all refer to this thing, in the fields of chemical engineering, engineering and other fields, according to its characteristics, and it is used in the research of chemical technology and its performance.

Safety & Operational Standards

1 - Naphthylamine - 8 - Sulphonic Acid is an important product in the chemical industry. It is necessary to discuss in detail the safety and operation specifications of this substance.
All operations involving 1 - Naphthylamine - 8 - Sulphonic Acid must be understood by the operator. This substance has specific chemical properties and may react differently in different environments. Therefore, at the beginning of storage, choose a dry, cool and well-ventilated place. Avoid coexistence with strong oxidants, strong bases and other substances to prevent unexpected chemical reactions.
When operating, the operator must strictly abide by the regulations. Wear appropriate protective clothing, such as protective clothing and protective gloves, to protect the body from this material erosion. Face protection is also indispensable, goggles can prevent it from splashing into the eyes, and masks can prevent its dust from entering the lungs.
In places where 1 - Naphthylamine - 8 - Sulphonic Acid is used, emergency facilities should be readily available. Such as eye washers, which can be flushed immediately in case of accidental splashing into the eyes; emergency sprinklers, which can be flushed quickly if a large area of the body is contaminated. And the place should be equipped with corresponding adsorption materials to deal with leaks.
In case of 1 - Naphthylamine - 8 - Sulphonic Acid leakage, do not panic. In the event of a small amount of leakage, a suitable adsorbent can be used to adsorb it, and then it can be properly collected and disposed of. Large amounts of leakage require immediate evacuation of surrounding personnel, delineation of warning areas, and reporting to relevant professional departments for disposal.
1 - Naphthylamine - 8 - Sulphonic Acid Safety and Operation Specifications, which involve the safety of the operator and endanger the safety of the environment. Only by strictly abiding by the norms can everyone ensure that everything goes smoothly and is safe.

Application Area

1 - Naphthylamine - 8 - Sulphonic Acid is also a chemical substance. Its use is good, and it can be used as a raw material for dyeing. With its unique chemical properties, it can produce a beautiful color, dye cloth and garments, and the color is bright and lasting.
In the field of, it also has its own merits. For scientific research, it can assist in the research of certain products, or the process of synthesis, so as to improve the speed.
Furthermore, in chemical analysis, this compound can be used. Its anti-chemical properties can determine the composition and properties of other products, which is indispensable for scientific research and exploration. From this, 1 - Naphthylamine - 8 - Sulphonic Acid has its own value in many applications.

Research & Development

Yu Su has studied chemistry and has dedicated himself to the research of 1-Naphthylamine-8-Sulphonic Acid. This compound has unique properties and has potential applications in the fields of chemical industry and medicine.
I began to investigate its molecular structure, study the characteristics of chemical bonds, and hope to clarify its internal mechanism. Then I explored the method of synthesis, tested various raw materials and conditions, and wanted to obtain high-efficiency and pure products. After months of research, I have made some progress in the synthesis path, but I have also encountered many problems, such as the improvement of yield and the removal of impurities.
In order to make a breakthrough, Yu read many books and visited various houses to get new ideas. Improve the process, optimize the conditions, the yield gradually increases, and the quality also improves. And observe its reaction in different environments to explore the possibility of its application.
Looking at this research, although progress has been made, the road ahead is still far away. In the future, we should continue to study, deeply analyze its properties, expand the scope of application, and hope to do our best for its development, so as to promote this compound to shine in various fields.

Toxicity Research

Today, there is a substance, named 1 - Naphthylamine - 8 - Sulphonic Acid, which is commonly used in our chemical research. Our generation focuses on toxicity research and examines this substance in detail.
After many experiments, it can be known that its toxicity is not mild. In organisms, it may disturb the order of metabolism or damage the health of cells. Small animals eat it by mistake, which shows that they are slow to move, and even endanger their lives.
Looking at its structure, a certain group may be the main cause of toxicity. However, to clarify its details, more research is needed. Although the current understanding is limited, we are still working tirelessly to explore the true meaning of its toxicity, so that when the world uses this substance, we can provide warnings, ensure safety, and avoid the risk of poisoning. With scientific wisdom, we can control chemical substances for the benefit of the world.

Future Prospects

I have been engaged in the research of chemical products for many years, and I often think about the future development of this product 1 - Naphthylamine - 8 - Sulphonic Acid. This product is used in various fields of chemical industry and has a wide range of uses.
The current technology is changing with each passing day. It is expected that in the future, 1 - Naphthylamine - 8 - Sulphonic Acid will surely make new breakthroughs in materials science. Or it can help to develop new materials with tougher and special properties for aerospace, making devices lighter and stronger.
In the field of medicine, it is also expected to emerge. After in-depth research, new active ingredients may be found, and special drugs may be developed to benefit patients.
And with the growing awareness of environmental protection, its production process may be greatly optimized to be more environmentally friendly and in line with the general trend of future development. This is my outlook for the future development of 1-Naphthylamine-8-Sulphonic Acid.

Frequently Asked Questions

What are the main uses of 1-Naphthylamine-8-Sulphonic Acid?

1-Naphthylamine-8-sulfonic acid, this is a chemical substance. It has a wide range of uses and plays a significant role in the manufacture of dyes. In the dyeing workshops of the past, if you want to get colorful fabrics, you often rely on this material as a raw material, and through exquisite craftsmanship, you can make the fabric bright and lasting.
In the field of chemical analysis, it is also indispensable. Like the ancient alchemists, if you want to distinguish the composition of a substance, you often use its characteristics to make it clear. It can be used as a reagent to detect and separate certain substances, helping chemists to understand the mysteries of substances.
Furthermore, in medical research, it is occasionally involved. Although it is not the main drug, it may be a key intermediate in the process of some drug synthesis, like the cornerstone of building a high-rise building. Although it is small, it is heavy, which is related to the quality and efficacy of the final drug.
It plays an important role in many fields of chemical industry, like a silk thread, connecting many processes and research, and promoting the development of related industries.

What are the physical properties of 1-Naphthylamine-8-Sulphonic Acid?

1-Naphthylamine-8-sulfonic acid is a unique substance in organic compounds. Its physical properties are crucial and are related to many practical applications.
The appearance of this compound is often white to light gray crystalline powder. The powder is fine in texture, and when viewed with the naked eye, it has a certain luster, resembling fine crystal chips. Its color is pure, without obvious variegation, showing high purity characteristics.
Melting point is one of the important physical parameters, between about 170 ° C and 180 ° C. When the temperature gradually rises to this range, the substance slowly melts from the solid state to the liquid state. The stability of the melting point reflects the compactness of its molecular structure and the strength of the interaction force.
Solubility is also a key property. In water, 1-naphthylamine-8-sulfonic acid exhibits a certain solubility and can be partially dissolved to form a solution. However, in organic solvents, such as ethanol and ether, its solubility is poor. This property determines its application range and separation method in different solvent systems.
Furthermore, the density is about 1.5g/cm ³, indicating that its unit volume mass is moderate. This density property affects its sedimentation and stratification behavior in mixtures, and is of great significance in the separation and purification process of chemical production. The physical properties of 1-naphthylamine-8-sulfonic acid are related to each other in terms of appearance, melting point, solubility and density, which together build up its unique physical properties and lay the foundation for its application in many fields such as chemical industry and dyes.

What are the chemical properties of 1-Naphthylamine-8-Sulphonic Acid?

1-Naphthylamine-8-sulfonic acid has specific chemical properties and is worth exploring. This substance is acidic. Because of its sulfonic acid group, it can dissociate hydrogen ions in water, showing the characteristics of acid. It can neutralize with bases to generate corresponding salts and water.
And it has a certain water solubility. The hydrophilicity of the sulfonic acid group allows the substance to have a certain solubility in water, but the hydrophobicity of the naphthalene group limits its dissolution.
In terms of reactivity, the electron cloud distribution on the naphthalene ring is consistent, allowing it to participate in many electrophilic substitution reactions. Under suitable conditions, other functional groups can be introduced at specific positions in the naphthalene ring to derive a variety of compounds.
Furthermore, the amino group in 1-naphthylamine-8-sulfonic acid is also reactive and can participate in reactions such as acylation and alkylation, so that its structure can be modified and its application scope can be expanded.
In addition, the stability of the substance also needs to be considered. Under different environmental conditions, such as light, temperature, pH and other factors, its structure may change, stability or challenge. These are all important chemical properties of 1-naphthylamine-8-sulfonic acid, which must be carefully considered when applied in chemical industry, scientific research and other fields.

What are the precautions for 1-Naphthylamine-8-Sulphonic Acid in the production process?

When producing 1-naphthylamine-8-sulfonic acid, there are several issues that need to be paid attention to.
The first is related to the characteristics of the material. 1-naphthylamine-8-sulfonic acid has specific chemical properties. When storing and using it, it is necessary to avoid contact with strong oxidants, strong bases and other substances to prevent chemical reactions, deterioration of the material, and even risk safety. It is easily soluble in water, in humid environments, or appears to be deliquescent, so the storage place needs to be dry and well ventilated.
Second, the operation specifications of the production process are extremely important. In the synthesis step, the control of temperature, pressure and reaction time has a great impact on the purity and yield of the product. The heating rate should be gradual, not too fast, to prevent the reaction from getting out of control. The pressure also needs to be stabilized in an appropriate range. If the pressure is too high or the equipment is damaged, if it is too low, the reaction cannot be carried out fully. The precise control of the reaction time can ensure that the reaction reaches the expected level and avoid excessive or insufficient reaction.
Furthermore, it is related to the protection of the staff. 1-naphthylamine-8-sulfonic acid may be harmful to the human body or irritate the skin and respiratory tract. Therefore, when working, the staff must wear complete protective equipment, such as protective clothing, protective gloves and gas masks. And the operation room should be equipped with excellent ventilation facilities to disperse harmful gases in time to ensure the safety of the working environment.
Again, the disposal of waste should not be underestimated. Waste containing 1-naphthylamine-8-sulfonic acid produced in production cannot be discarded at will. It needs to be properly disposed of in accordance with relevant environmental regulations. Or it can be chemically treated and converted into harmless substances, or sent to a professional waste treatment institution to avoid pollution to the environment.
Finally, the maintenance and inspection of equipment is also a priority. Equipment used in production needs to be regularly overhauled and maintained. Check whether there is leakage in the pipeline, whether the valve is opening and closing normally, and whether the mixing device is running smoothly. The good operation of equipment is not only related to production efficiency, but also closely related to production safety, which can effectively prevent accidents.

1-Naphthylamine-8-Sulphonic Acid has an impact on the environment

1-Naphthylamine-8-sulfonic acid. The impact of this substance on the environment is related to the creation of heaven and earth and the life of all things. It cannot be ignored.
If 1-naphthylamine-8-sulfonic acid flows into the water body, it will be very harmful. It is toxic or cause death to aquatic organisms. Fish, shrimp, shellfish, etc. in water, when exposed to this substance, their physiological functions will be blocked, or their respiratory and reproductive systems will be damaged, resulting in the decline of population numbers and the destruction of water ecological balance. And it is difficult to degrade in water, remaining for a long time, polluting water sources, and endangering the water safety of humans and other organisms.
For soil, the infiltration of 1-naphthylamine-8-sulfonic acid will change soil properties. Or affect the activity and community structure of soil microorganisms, and interfere with material circulation and energy conversion in the soil. This substance may be absorbed by plants and accumulated in the body, affecting plant growth and development, causing crop yield and quality decline, and will also be transmitted through the food chain, endangering human health.
In the atmospheric environment, although it evaporates to a small amount of air under normal conditions, if the production and use process is not handled properly, the dust and exhaust emissions containing this substance will enter the human body through the respiratory tract, damage the respiratory system, and cause symptoms such as cough and asthma.
In summary, 1-naphthylamine-8-sulfonic acid has many adverse effects on the environment, and its production, use, and disposal should be strictly controlled to reduce its harm to the environment and organisms, and to protect the harmonious coexistence of all things in the world.