Products

Beta-Naphthalene Sulfonic Acid

Lingxian Chemical

Specifications

HS Code

339087

Chemical Formula C10H8O3S
Molar Mass 208.23 g/mol
Appearance white to yellowish solid
Solubility In Water soluble
Melting Point 125 - 130 °C
Acidity weakly acidic
Odor odorless
Density 1.35 g/cm³
Stability stable under normal conditions
Packing & Storage
Packing 500g of Beta - Naphthalene Sulfonic Acid packaged in a sealed plastic bag.
Storage Beta - Naphthalene Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and incompatible substances like strong oxidizers. Store in tightly - sealed containers to prevent moisture absorption and potential degradation. Label storage areas clearly to ensure proper handling and safety.
Shipping Beta - Naphthalene Sulfonic Acid is shipped in tightly - sealed containers to prevent spills. It's handled as a chemical, following safety regulations. Shipment may be by truck, rail, or sea, ensuring proper containment during transit.
Free Quote

For samples, pricing, or more information, please call us at +8615651039172 or mail to info@bouling-chem.com.

We will respond to you as soon as possible.

Tel: +8615651039172

Email: info@bouling-chem.com

Beta-Naphthalene Sulfonic Acid
General Information
Historical Development
Beta-Naphthalene Sulfonic Acid is also a sulfonic acid compound. The history of its development can be traced back to the past. In the past, chemists worked tirelessly on the way of material exploration. After years of hard work, this compound was obtained. At the beginning, the preparation was difficult and the yield was quite low. However, the determination of scholars was perseverance, and they studied physics and refined their skills. With the passage of time, the preparation method has become more and more perfect, the yield has gradually increased, and the application has also become wider. Since its birth, it has made extraordinary contributions to dyeing, weaving, medicine and other industries. Therefore, the historical development of Beta-Naphthalene Sulfonic Acid depends on the research and progress of chemists of all dynasties. Only then can they have today's achievements and occupy an important place in the forest of chemical industry.
Product Overview
Beta-Naphthalene Sulfonic Acid is an organic compound. Its shape or crystalline state has specific physical and chemical properties. This compound has a wide range of uses in the industrial field and is often used as a raw material for the preparation of dyes and additives. It can be prepared by the reaction of naphthalene and sulfuric acid. When preparing, it is necessary to pay attention to the reaction conditions, such as temperature, concentration of sulfuric acid, etc., which will affect the quality and yield of the product. In the dyeing workshop, it can help the dye adhere better to the fabric, making the dyeing uniform and firm. In the field of additives, it can also improve some properties of the product. In short, Beta-Naphthalene Sulfonic Acid, although small, plays an indispensable role in many aspects of industry.
Physical & Chemical Properties
Beta-Naphthalene Sulfonic Acid is also a chemical substance. Its physical nature is unique. Its shape is often crystalline, the color is multi-white, and the crystals are crystalline and uniform. Its melting is fixed, and it begins to dissolve the liquid at a specific degree. This degree is its inherent property. In terms of solubility, it is soluble in water, and the solubility also increases with the increase of the degree.
Its chemical properties are low, because it contains sulfonic acid groups. It can react and form a phase. In the field of synthesis, it is often an important raw material, and it can react more and more, helping to form a variety of chemical compounds.
Technical Specifications & Labeling
Beta-Naphthalene Sulfonic Acid is a sulfonic acid compound. The technical specification for its preparation requires the selection of naphthalene and sulfuric acid as raw materials, and the temperature control is in a suitable range to make the two fully react. During the reaction, the concentration of sulfuric acid, the reaction temperature and time are all key parameters. The concentration of sulfuric acid needs to be precisely prepared. If it is too high, side reactions will occur frequently, and if it is too low, the reaction will be slow. The temperature should be stable within a specific range to ensure a smooth reaction.
In terms of product identification (commodity parameters), the color should be pure and free of variegated colors. To measure its purity, it needs to reach a high level, and the impurity content must be strictly controlled. In addition, parameters such as melting point and boiling point must also meet the established standards to be qualified Beta-Naphthalene Sulfonic Acid products. In this way, it can be widely used in industrial and other fields.
Preparation Method
The raw materials and production process, reaction steps and catalytic mechanism of Beta-Naphthalene Sulfonic Acid are the key.
To make this product, naphthalene is used as the main raw material, supplemented by concentrated sulfuric acid. First put the naphthalene into the reactor, slowly inject concentrated sulfuric acid, and control the temperature in a specific range. This is the beginning of sulfonation. The temperature should be stable. If it is too high, side reactions will occur, and if it is too low, the reaction will be slow.
In the reaction, naphthalene and sulfuric acid interact. After complicated steps, the sulfate radical gradually joins the naphthalene ring to form Beta-Naphthalene Sulfonic Acid. This process requires precise control. The time is short, the transformation is not complete, and the time is long, the product may change.
In the catalytic mechanism, sulfuric acid is not only a reactant, but also a catalyst to promote the reaction speed. And after the reaction is completed, the product needs to be separated and purified to remove impurities and improve purity before Beta-Naphthalene Sulfonic Acid can be used.
Chemical Reactions & Modifications
In the industry of chemical industry, Beta-Naphthalene Sulfonic Acid is related to chemical reaction and modification, which is quite crucial.
The preparation of Beta-Naphthalene Sulfonic Acid is often obtained by co-heating naphthalene with sulfuric acid and sulfonating. However, the initial rate of this reaction is good, but with the process, the concentration of sulfuric acid gradually decreases, the reaction rate is also slow, and the purity of the product is also at risk.
In order to improve its properties and improve the quality of the product, many people have tried new ways. Or adjust the temperature of the reaction and control its rate to make the reaction slow and orderly; or add additives to help it disperse and prevent side reactions. All of these are to make the reaction go forward, and the product is pure and excellent. Through various efforts, Beta-Naphthalene Sulfonic Acid can be used more effectively in many fields, such as dyes, auxiliaries, etc., and its efficacy has also increased significantly.
Synonyms & Product Names
Beta-Naphthalene Sulfonic Acid is also a chemical product. It has the same trade name, which can be investigated. Gu Yun: "If the name is not correct, the words are not true." For this product, it is also observed.
Beta-Naphthalene Sulfonic Acid, or Beta-Naphthalene Sulfonic Acid. Its trade name, or because of its home and use. However, the same name refers to the original product of this product.
People studied this product in the past, and it first got its name, but it was widely used. The existence of the same product is easy to communicate with people in different regions and different regions. The name of the product is different, and the characteristics of the product are different. The two, together, explain the properties and uses of Beta-Naphthalene Sulfonic Acid. We, the researchers, have identified the same trade name to illustrate the full picture of this thing.
Safety & Operational Standards
On Beta-Naphthalene Sulfonic Acid Product Safety and Operation Specifications
Beta-Naphthalene Sulfonic Acid (β-Naphthalene Sulfonic Acid), its preparation and use are related to safety and specifications, and cannot be ignored.
At the beginning of preparation, all raw materials used must be carefully reviewed for their quality. All materials must be pure and free of impurities to prevent heterogeneity from mixing, causing perverse reactions and unexpected changes. And when storing raw materials, according to their nature, choose a dry and cool place to avoid water and fire.
When preparing, the reaction apparatus must be clean and intact. Operators must understand the principle of reaction, the temperature and the time limit. Taking temperature control as an example, the formation of β-naphthalenesulfonic acid is very sensitive to temperature. If the temperature is high, the side effects will be generated, and the quality will be impure; if the temperature is low, the reaction will be sluggish and the yield will drop. Therefore, the operator should abide by the rules, measure accurately with instruments, and adjust it in a timely manner.
As for the operation room, the ventilation must be smooth. The gas generated by β-naphthalenesulfonic acid and its reaction may be irritating or even harmful. The smooth wind can dissipate turbid air, and the operator is healthy. And the operator must wear protective gear, such as clothing, a cover, and gloves, to prevent harm outside the body.
The product is ready, and it is also necessary for storage and transportation. The storage should be dry and cool, and avoid direct sunlight to avoid its deterioration. When transported, according to the regulations of dangerous goods, stable loading and unloading, anti-collision and anti-leakage. Once leaked, quickly follow the emergency method to clean up pollution and damage, and ensure environmental and personal safety.
In short, the safety and operation specifications of β-naphthalenesulfonic acid products are interlinked. From raw materials to storage and transportation, caution is required. Operators abide by the rules to avoid disasters, ensure smooth production, and ensure people's safety and well-being.
Application Area
Beta-Naphthalene Sulfonic Acid is also a compound of sulfonic acids. Its application field is quite wide. In the dyeing and weaving industry, it is often the key raw material for the preparation of dyes, which can help the dye to be bright and fix the fabric, and the color will not fade for a long time. In leather tanning, it can be used as an auxiliary to make leather flexible and durable, and the quality is high. In building materials, it is a water-reducing agent, which can reduce the water-cement ratio of concrete, increase its strength and workability. In chemical synthesis, it is also an important intermediate, and a variety of organic compounds are derived. With its unique chemical properties, this compound plays a significant role in various fields, promotes the progress of the industry, and helps the rise of the industry.
Research & Development
Beta-Naphthalene Sulfonic Acid is a sulfonic acid compound, which is of great significance in the field of chemical research. To explore its development, we need to study its synthesis method in detail. In the past, the synthesis process was difficult, the process was complicated and the yield was not ideal.
However, today is different from the past. After unremitting research, new synthesis methods have gradually come out. Taking a certain method as an example, the reaction conditions are optimized, the temperature, pressure and catalyst are precisely regulated, and the yield is greatly improved. This not only reduces costs, but also increases the purity of the product, paving the way for industrial production.
Looking to the future, the research and development of Beta-Naphthalene Sulfonic Acid will definitely move towards a green and efficient environment. Develop more environmentally friendly processes, reduce pollution, and fit the concept of sustainable development. Expand its application field and emerge in materials science, drug research and development, with promising prospects.
Toxicity Research
The taste of chemical substances is related to people's livelihood and safety. The toxicity of β-naphthalenesulfonic acid should not be studied carelessly.
β-naphthalenesulfonic acid has different shapes and characteristics. After various tests, we can observe its effect on living beings. Cell changes can be seen in micro-bodies, and the appearance of viscera can be observed in large objects. It may disturb qi and blood, or cause viscera to violate. If exposed to the outside, its poison can penetrate into the skin, seep into the meridians, and harm and guard.
Although this substance is not lacking in industrial use, it is necessary to prevent the danger of toxicity. Those who study it should thoroughly investigate its nature, formulate good laws, avoid its harm and pursue its benefits, so as to ensure the well-being of everyone, and also ensure the prosperity of the chemical industry.
Future Prospects
In today's world, Beta-Naphthalene Sulfonic Acid is unique and has a wide range of uses. In the field of industry, it is often used as a synthetic auxiliary agent, which can promote the progress of many reactions and has achieved remarkable results.
Looking to the future, technology is new, and this product may have a wider range of development. Or in the preparation of new materials, it can be used to optimize the properties of the material by virtue of its characteristics, such as increasing its toughness and stability. Or on the road of green chemistry, it can be prepared by environmentally friendly methods to reduce pollution and reduce emissions, which is in line with the needs of the times. And with the depth of research, new functions may be discovered, the application territory will be expanded, and new opportunities will be developed in the fields of medicine and electronics. It can be said that the future is bright.
Frequently Asked Questions
What are the main uses of Beta-Naphthalene Sulfonic Acid?
Beta-naphthalenesulfonic acid has a wide range of uses. In the dyeing and weaving industry, it is an essential material for the preparation of dyes. It can be obtained by sulfonation from the co-heating of naphthalene and sulfuric acid. The obtained β-naphthalenesulfonic acid can be converted into a variety of dye intermediates, and then synthesized into various colorful dyes, which are used for fabric dyeing and printing, so that the color of the fabric is rich and colorful, or bright and moving, or calm and generous, to meet the needs of various colors.
In the field of pharmaceutical and chemical industry, it also has its traces. It can be used as an intermediate for some drug synthesis to help form drug molecules with specific structures, which contribute to the research and development and production of medicine to treat various diseases and protect the health of the living spirit.
In the paper industry, it is also used. Or it can participate in the preparation of papermaking additives to improve the properties of paper, such as enhancing the strength of paper, making it tougher and more durable, or optimizing the surface properties of paper, making it smooth and suitable for printing, which is conducive to the presentation of characters and patterns.
In addition, in the preparation of surfactants, β-naphthalene sulfonic acid can also play a role. After appropriate chemical modification, it can be made into a surfactant with specific properties, which can be used in many industries such as daily chemicals and oil extraction. In daily chemical products, it can help clean and emulsify; in oil extraction, it can improve the fluidity of crude oil and increase the efficiency of oil extraction. Overall, beta-naphthalenesulfonic acid is indispensable in various industrial fields.
What are the Physical Properties of Beta-Naphthalene Sulfonic Acid?
Beta-naphthalenesulfonic acid is one of the organic compounds. Its physical properties are unique and can be described one by one.
Looking at its properties, it usually shows a white crystalline shape under normal conditions, which is a significant feature of its appearance. Its solubility is quite characteristic and it is soluble in water. This is because the sulfonic acid group contained in its molecular structure is a hydrophilic group, which is easy to interact with water molecules. With this property, β-naphthalenesulfonic acid can participate as a reactant or intermediate in the chemical reactions or industrial processes of many aqueous solutions. The melting point of β-naphthalenesulfonic acid is within a specific range, and this physical constant is of great significance for its identification and purity judgment. At a specific temperature, β-naphthalenesulfonic acid changes from a solid state to a liquid state. This melting point value is often used as an important indicator of the purity of the substance. The higher the purity, the closer the melting point is to the theoretical value.
Its boiling point also has specific parameters, but because the substance may undergo chemical changes such as decomposition before reaching the boiling point, it is difficult to accurately determine the boiling point.
The density of β-naphthalenesulfonic acid is a specific value. This physical property is crucial in the case of mass and volume conversion. In the process of material ratio, storage and transportation in chemical production, its density factor needs to be considered. In addition, β-naphthalenesulfonic acid also has a certain degree of hygroscopicity, allowing it to absorb moisture in the air. This property requires moisture-proof measures to be taken during storage to avoid changes in its physical and chemical properties due to moisture absorption, which will affect subsequent use.
Is the Chemical Properties of Beta-Naphthalene Sulfonic Acid Stable?
Beta-Naphthalene Sulfonic Acid, that is, β-naphthalene sulfonic acid. Its chemical properties are relatively stable under certain conditions. This substance contains a naphthalene ring structure, and the naphthalene ring has a certain stability, so that β-naphthalene sulfonic acid can maintain its own structure under normal conditions. The sulfonic acid group is connected to the β position of the naphthalene ring. Although the sulfonic acid group has a certain activity, the overall structure is stable due to the existence of the conjugated system of the naphthalene ring.
When encountering strong oxidizing agents, β-naphthalene sulfonic acid can be oxidized, the naphthalene ring structure may be damaged, and the sulfonic acid group may also be converted. In the environment of Under acidic conditions, the acidity of the sulfonic acid group can participate in some reactions, while under alkaline conditions, the sulfonic acid group may undergo neutralization and other reactions with the base, thereby changing the molecular structure.
In common organic solvents, β-naphthalenesulfonic acid has a certain solubility. Although this dissolution process does not change its chemical structure, it can affect its reactivity and stability. If there are other substances in the solution that can react with it, such as nucleophiles, β-naphthalenesulfonic acid or nucleophilic substitution, its stability is difficult to maintain at this time.
Overall, the chemical properties of β-naphthalenesulfonic acid are relatively stable under general conditions, but in special conditions such as specific chemical reagents, extreme acid-base conditions or high temperatures, the stability will be lost and the molecular structure will change.
What is the preparation method of Beta-Naphthalene Sulfonic Acid?
Beta-naphthalene sulfonic acid has been prepared in ancient times. In the past, this substance was often prepared by co-heating naphthalene with sulfuric acid. The method is as follows:
Take an appropriate amount of naphthalene and place it in a special reaction vessel. The vessel needs to be able to withstand a certain temperature and pressure, and the material does not chemically react with the reactants and products. Then, slowly inject sulfuric acid. The concentration and dosage of sulfuric acid are very critical, and it needs to be precisely controlled according to the specific requirements of the reaction.
Heating the reaction system, temperature control is essential. The initial heating should be slow, so that the naphthalene and sulfuric acid can be fully contacted and mixed. As the reaction proceeds, gradually heat up, but do not overheat to prevent side reactions from occurring. In this process, the naphthalene molecule reacts with the sulfonic acid group of sulfuric acid to form Beta-naphthalenesulfonic acid.
When reacting, it is necessary to pay close attention to the reaction phenomenon. Observe the color change of the reaction system, whether there is gas escape, etc. When the reaction reaches the desired level, stop heating. Then, the reaction product is treated. A series of operations such as neutralization, separation and purification can be used to obtain pure Beta-naphthalenesulfonic acid. During neutralization, a suitable neutralizing agent is selected to adjust the pH of the solution. During the separation process, Beta-naphthalenesulfonic acid is separated from impurities by filtration and extraction. Finally, the finished product is obtained by means of crystallization and drying. This preparation method has been continuously improved after years of precipitation. It is a classic way to obtain Beta-naphthalen
What are the precautions for storage and transportation of Beta-Naphthalene Sulfonic Acid?
Beta-naphthalene sulfonic acid is also an organic compound. During storage and transportation, many matters must be paid attention to.
First, storage, because it has a certain chemical activity, should be placed in a cool, dry and well-ventilated place. This is to prevent it from getting damp, because the humid gas is prone to chemical reactions, resulting in damage to quality. The temperature of the warehouse should also be controlled, not too high, so as not to cause adverse changes such as thermal decomposition. And it must be stored separately from oxidizing agents, alkalis and other substances. If the two are mixed, they may cause severe chemical reactions and cause danger. At the same time, the storage place should be equipped with suitable materials to contain leaks, so as to prevent accidental leakage, it can be properly handled in time.
As for transportation, β-naphthalenesulfonic acid must be properly packaged, and the packaging materials used should have good sealing and corrosion resistance to prevent material leakage during transportation. The transportation vehicle should also ensure that it is clean, dry, and free of other impurities that may react with it. During transportation, the traffic should be stable, avoid bumps and vibrations, and avoid packaging damage. And the transportation personnel should be familiar with its chemical properties and emergency treatment methods. In case of emergencies, they can respond quickly to ensure transportation safety. Furthermore, relevant laws and standards should be followed during transportation to ensure legal compliance. In this way, beta-naphthalenesulfonic acid must be properly stored and transported to avoid the risk of accidents.