1,6-Naphthalenedisulfonic Acid

Lingxian Chemical

Specifications

HS Code	433446
Chemical Formula	C10H8O6S2
Molar Mass	288.3 g/mol
Appearance	White to light yellow crystals or powder
Solubility In Water	Soluble
Odor	Odorless
Ph Aqueous Solution	Acidic
Melting Point	195 - 198 °C
Boiling Point	Decomposes before boiling
Density	1.62 g/cm³
Stability	Stable under normal conditions

Packing & Storage

Packing	500 - gram pack of 1,6 - Naphthalenedisulfonic Acid in a sealed chemical - grade container.
Storage	1,6 - Naphthalenedisulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from sources of heat, ignition, and incompatible substances like strong oxidizing agents. Store in tightly closed containers to prevent moisture absorption, which could affect its chemical properties and purity.
Shipping	1,6 - Naphthalenedisulfonic Acid should be shipped in well - sealed containers, protected from moisture and heat. It may require special handling due to its chemical nature, following relevant regulations for safe transportation.

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General Information

Historical Development

1,6-Naphthalene disulfonic acid is also a product of chemistry. At the beginning, in the field of chemical industry, researchers began to observe the properties and uses of this substance. In the past, the process was not refined, the production was quite difficult, and the output was very small. However, the researchers worked tirelessly, through years of exploration, the skills were gradual. Since the rise of the chemical industry, the demand for it has gradually increased, and it is used in various industries, such as dyeing, weaving, and pharmaceuticals. Everyone studied its quality, improved the production method, and hoped to obtain better production. From ancient times to the present, from the beginning of understanding its properties to the ability to precisely control the preparation, the development of 1,6-Naphthalene disulfonic acid is the work of chemical researchers, and it is also the cause of chemical progress. It has made great contributions to the rise of various industries.

Product Overview

1,6-Naphthalene disulfonic acid is a kind of organic compound. Its color is usually white to light yellow crystalline powder. This compound has the characteristics of sulfonic acid group and is soluble in water.
Its use is quite extensive, in the dye industry, often used as a dye intermediate. With it as a raw material, through series reaction, it can produce colorful dyes, and dye fabrics with bright color and good fastness. In the field of chemical synthesis, it is also an important raw material, helping to form a variety of fine chemicals.
To prepare 1,6-naphthalene disulfonic acid, the reaction conditions need to be strictly controlled. Temperature, proportion of reactants, and reaction time are all critical, and there is a slight poor pool, or the yield is low and the product is impure. Therefore, the preparation should be handled with caution to achieve the desired output.

Physical & Chemical Properties

1,6-Naphthalene disulfonic acid has unique properties. Its shape or crystal shape, white in color, and easily soluble in water are its physical characteristics.
In terms of its chemical properties, the sulfonic acid group is quite active and can respond to many substances. In case of alkali, it becomes a salt, and the reaction is orderly. It is also widely used in the field of organic synthesis and is a commonly used material for chemical preparation.
This compound has good stability and is not easy to change under normal conditions. However, in specific circumstances, such as high temperature, strong acid and alkali, it can also change its properties and cause different reactions.
In summary, the physicochemical properties of 1,6-naphthalene disulfonic acid make it indispensable in chemical and scientific research places, and it is often involved in chemical exploration of our generation.

Technical Specifications & Labeling

1,6-Naphthalene disulfonic acid is an important product in the chemical industry. Its technical specifications and identification (product parameters) are related to the quality and cannot be ignored.
The production of this product also requires precise regulations. The raw materials are selected, and the quality must be high and pure, and there are no impurities. The temperature, time and pressure of the reaction are all fixed, with a slight difference, or the quality may change.
In terms of identification, the name must be "1,6-Naphthalene disulfonic acid", which cannot be confused. The label of the content should be accurate to clarify its quality. The color and state of the appearance should also be marked in detail for human inspection. On the packaging, the logo is clear to inform the purpose, warning, etc. High quality 1,6-naphthalene disulfonic acid can be obtained by following the technical specifications and marking.

Preparation Method

The preparation of 1,6-naphthalene disulfonic acid is related to raw materials and production processes, reaction steps and catalytic mechanisms. Naphthalene and sulfuric acid are commonly used as raw materials. First take an appropriate amount of naphthalene, put it in a reactor, use sulfuric acid as a sulfonating agent, and control the temperature in a suitable range, usually hundreds of degrees. This is a sulfonation reaction. During this period, naphthalene and sulfuric acid undergo a series of reactions, and sulfate substituted hydrogen atoms at specific positions in the naphthalene ring to obtain 1,6-naphthalene disulfonic acid crude product. After separation and purification, high-purity products are obtained. The reaction process needs to be precisely regulated, and catalysts can be used to speed up the reaction rate and increase the yield. Common catalysts can promote efficient reaction, optimize reaction conditions, and ensure product quality and yield, so as to meet

Chemical Reactions & Modifications

1,6-Naphthalene disulfonic acid is also a chemical substance. In the field of chemistry, its reaction and modification are the key. In the past, the method of making this product was complicated and inefficient.
The chemical reaction is related to the control of reaction conditions, such as temperature, pH, etc. There is a slight difference, and the quality and quantity of the product are affected. And the traditional reaction path may cause many side reactions, making the product impure.
As for the modification, it is designed to optimize its performance. Either to increase its stability or to promote its solubility. After repeated tests, a new way was found. With a special catalyst, the reaction rate and direction were adjusted to make the reaction tend to be ideal. In this way, the quality of the product is better, the performance is also improved, and it is of great significance for industrial and scientific research purposes, so that 1,6-naphthalene disulfonic acid can play a greater role in various fields.

Synonyms & Product Names

1,6-Naphthalene disulfonic acid, the nickname and trade name of this product, is quite important. There are many nicknames, all of which have specific meanings. Trade names also vary with the needs of the market and use.
In the field of chemical industry, it is also known as naphthalene-1,6-disulfonic acid, which is a common saying in the industry. It is based on naphthalene, and the sulfonic acid group is attached to the 1,6 positions. This name depends on its structure, accurately indicating its chemical composition.
As for the trade name, it is different due to the manufacturer and the use. Or "eusulfonaphthalene 16", which shows its excellent quality and contains naphthalene and 1,6 digits; or "refined naphthalene bisulfonate", which shows its refined system and clearly contains bisulfonic acid groups. This is all for the convenience of market circulation and recognition, and also shows its unique value.

Safety & Operational Standards

For 1,6-naphthalene disulfonic acid, it is also important for chemical products. In the research of this chemical product, safety and operation are of paramount importance.
All operations involving 1,6-naphthalene disulfonic acid must be explained in advance. This product has specific chemical activity, or it can react to other products, so it must be prevented during operation.
The operation method is good, so as to remove the damage and keep the air fresh. Those who need to take appropriate precautions, such as eyes, gloves, anti-clothing, etc., to prevent damage caused by this product.
For the survival of the product, 1,6-naphthalene disulfonic acid should be placed in the environment, dry and dry, and the source of fire, oxidation. Store in separate layers to avoid the mixing of incompatible substances and avoid danger to life.
Use it according to the operation process of fine layers. Mix the solution, and add 1,6-naphthalene disulfonic acid to the solution, mix with the mixture, do not reverse the order, in order to prevent strong reaction.
If you accidentally contact 1,6-naphthalene disulfonic acid, if you skin it, quickly wash it with a lot of water; when you enter your eyes, immediately wash it with water, and ask for it as soon as possible.

As a result, in the research and operation of 1,6-naphthalene disulfonic acid, abide by the safety of the operation, which is the key to ensuring the safety of the user and the benefits of the research, and cannot be ignored.

Application Area

1,6-Naphthalene disulfonic acid is quite useful in various application fields. In the dyeing and weaving industry, it can be used as a dye aid to help dye evenly, making the fabric uniform and fastness. In the field of pharmaceutical research and development, it may be used as an intermediate to help synthesize specific pharmaceutical ingredients to cure various diseases. In chemical production, it can be used as a catalyst to accelerate the process of many chemical reactions and improve the efficiency of production. In the field of materials science, it can be used to improve the properties of materials, such as enhancing the stability and durability of materials. All these applications highlight the important value of 1,6-Naphthalene disulfonic acid in different fields and promote the development and progress of various industries.

Research & Development

Since modern times, chemistry has been refined, and all kinds of new substances have appeared frequently. 1,6-Naphthalene disulfonic acid has attracted increasing attention in the academic world. I dedicated myself to studying and strive to explore its true meaning.
At the beginning, analyzing its structure and distinguishing its characteristics was like seeing the sun through the clouds. Looking at the method of its preparation, it also took much thought and repeated experiments to find the best way. Or adjust the temperature, or change the dose, and hope to get a pure product.
The road of research and development is full of thorns. However, every achievement is very happy. This product has great potential in many fields of industry, and it can be used as an auxiliary agent or as a raw material to develop its strengths.
I should make unremitting efforts to explore in depth, hoping to broaden its application, contribute to the development of chemistry, and make it bloom in the world, benefiting everyone.

Toxicity Research

1,6-Naphthalene disulfonic acid is also a chemical product. I have studied that this substance has been toxic for a long time. It is potentially dangerous to the environment and human body.
Look at its production, or involve harmful agents, the process may occasionally release toxins, polluting soil and water sources. If organisms accidentally touch, they may cause mutations. Small ones damage their bodies, and large ones will eliminate their species.
If people take it, it may cause swelling of the skin and tingling of the eyes. If they take it by mistake, the viscera will be hurt. Therefore, its production and use should be cautious. Strict regulations must be established to control its dissipation and protect the well-being of the environment and people. Take precautions and gradually, and you will be safe.

Future Prospects

Today, there is a product named 1,6-naphthalene disulfonic acid. This product has great potential in the field of chemical industry, but its future development remains to be explored.
Looking at the present, although it has been useful, the road to technological improvement is still far away. To make it more widely used and effective, scientific researchers must make every effort.
We hope that in the future, with the rise of new technologies, 1,6-naphthalene disulfonic acid may be able to be used in materials creation, drug research and development, etc. Hope to turn its potential into obvious capabilities, benefit the world widely, become an unfinished business, and open a new chapter to fulfill the grand vision of future development.

Frequently Asked Questions

What are the main uses of 1,6-naphthalenedisulfonic acid?

1% 2C6-naphthalic acid, its main use is quite extensive. In the industrial field, it is often a key raw material for the preparation of polyester materials. The polyester made has excellent performance and high strength. In the production of fibers, it can weave high-quality fabrics. The clothes made of it are comfortable and durable to wear. It is also used in industrial textiles, such as ropes, canvas, etc., to withstand greater tension.
In the field of plastic manufacturing, plastics made from this raw material have good thermal stability and chemical stability, and can be used to make various plastic products, such as packaging materials, electronic product shells, etc. Packaging materials need to protect items from the external environment, and this plastic can be competent; electronic product shells need certain strength and stability, which can also be satisfied.
In the paint industry, 1% 2C6-naphthalic acid is involved in the synthesis of coatings, which have excellent adhesion and corrosion resistance, and are widely used in construction, automotive and other fields. Architectural coatings can protect the exterior walls of buildings from wind and rain erosion, prolong the life of buildings; automotive coatings can make the body beautiful and rust-proof.
In the field of medicine, its derivatives can be used as drug intermediates to provide a foundation for the development of new drugs, help the development of the pharmaceutical industry, and contribute to the cause of human health. This is the main use of 1% 2C6-naphthalic acid, which plays an important role in many industries and promotes progress in various fields.

What are the physical properties of 1,6-naphthalenedisulfonic acid?

1% 2C6-naphthalic acid is an organic compound, which has the following physical properties:
In appearance, the normal is white to light yellow crystalline powder. This morphology is conducive to observation and preliminary identification. In many chemical raw materials, it can be preliminarily screened and judged by its color and morphology.
The melting point is quite high, about 274-277 ° C. The high melting point is due to the strong intermolecular force. This characteristic allows it to maintain a solid state in high temperature environments. In industrial processes that require high temperature processing, it can maintain its own structural stability and not easily melt and deform, ensuring product quality and process stability.
In terms of solubility, it is slightly soluble in water, but soluble in some organic solvents, such as hot acetic acid, pyridine, etc. This characteristic allows it to be separated, purified and reacted with the appropriate solvent according to the difference in solubility in chemical production. It is insoluble in water but soluble in organic solvents, allowing it to be effectively allocated between the aqueous and organic phases for specific extraction processes to improve product purity and yield.
In addition, 1% 2C6-naphthalic acid is relatively stable chemically at room temperature and pressure, but when exposed to strong oxidants, strong acids, and strong bases, chemical reactions will occur. This balance of stability and reactivity provides possibilities for its application in different industrial scenarios. In storage and transportation, as long as you avoid contact with these dangerous chemicals, you can ensure their quality and safety; and in chemical synthesis, you can use its reaction with specific reagents to prepare more complex and functional organic compounds.

Is the chemical properties of 1,6-naphthalenedisulfonic acid stable?

1% 2C6-naphthalic acid has stable physical properties. Its chemical properties are quite stable, and under many common conditions, it is not easy to undergo significant changes.
In terms of structure, the naphthalene ring structure endows it with certain stability. The naphthalene ring is a conjugated system with a relatively uniform electron cloud distribution. This structural feature makes 1% 2C6-naphthalic acid have relatively stable chemical properties.
Under common chemical reaction conditions, without specific catalysts or extreme reaction conditions, 1% 2C6-naphthalic acid is difficult to react quickly and violently with ordinary reagents. For example, under normal temperature and pressure, it comes into contact with common substances such as water and oxygen, and no obvious chemical reaction occurs.
However, in case of strong oxidizing agent, under suitable conditions, the naphthalene ring structure or carboxyl group part may also undergo oxidation reaction. However, such reactions usually require specific reaction conditions, such as high temperature, high pressure and specific catalysts.
And if in a specific organic synthesis reaction environment, with specific reagents and reaction conditions, its carboxyl groups can be reacted such as esterification and amidation. However, this requires precise control of the reaction conditions to achieve, which shows that its chemical properties are not active and changeable. Overall, the chemical properties of 1% 2C6-naphthalic acid are relatively stable.

What is the preparation method of 1,6-naphthalenedisulfonic acid?

1% 2C6-naphthalic acid, the method of preparation in ancient times, although not detailed in ancient books, it can be deduced according to the general principles of ancient chemical processes.
In the past, the art of chemistry was not as refined as it is today, but the ancients had much insight into the changes of matter with their wisdom. To make naphthalic acid, or to take naphthalene as the base first. Naphthalene, in ancient or from coal tar and other substances. Coal tar is the product obtained by dry distillation of coal, and its composition is complex. The ancients should gradually separate naphthalene from coal tar by distillation, extraction, etc.
After obtaining naphthalene, they want to make it into naphthalic acid, or by oxidation. Although there is no modern method of advanced oxidants and catalysis in ancient times, it may be possible to borrow natural things. If oxygen in the air is used as an oxidant, the reaction is slow, so it may be necessary to find something to help. Ancient alchemists have studied many things in gold and stone, or they can borrow some metal oxides such as manganese dioxide to promote their reaction. In a suitable container, such as a special ceramic kettle or a copper kettle, control the temperature to a moderate temperature, so that naphthalene and oxidant are co-located in it. When heating up, closely observe its changes and adjust the temperature in a timely manner.
Or add an appropriate amount of acid, such as acetic acid, to the reaction system to adjust the reaction environment and promote the oxidation process of naphthalene. After the reaction is completed, the product or impurities should be purified by recrystallization. Take an appropriate amount of solvent, such as hot water or alcohol, and dissolve the product into it. When it cools, naphthalic acid will crystallize and come out. Repeatedly, a relatively pure 1% 2C6-naphthalic acid can be obtained. Although the ancient method is simpler than today, we can also see the efforts and wisdom of the ancients in the exploration of chemical processes.

What are the precautions for storing and transporting 1,6-naphthalenedisulfonic acid?

1% 2C6-naphthalic acid, there are many things to pay attention to when storing and transporting. This is a chemical substance, which has its own characteristics and should not be ignored.
When storing, the first environment is dry. If it is in a humid place, it may come into contact with water vapor, causing its properties to change or damage its quality. And it should be placed in a cool place to avoid heat sources and open flames. This may be flammable, and it is prone to danger when heated or exposed to open flames, such as fire or even explosion. Furthermore, the storage place should be well ventilated to prevent the accumulation of harmful gases and endanger the surroundings.
When transporting, there are also all kinds of details. It must be contained in a suitable container, which must be strong and well sealed to prevent it from leaking. During loading and unloading, be careful not to subject the container to severe impact or vibration, so as not to damage and cause the spill of naphthalene dicarboxylic acid. The transportation vehicle also needs to be in compliance, with corresponding safety facilities and emergency equipment to deal with the situation in case of any situation. The escort must have professional knowledge and know the characteristics of naphthalene dicarboxylic acid and emergency treatment methods to ensure the safety of transportation.
In general, 1% 2C6-naphthalene dicarboxylic acid needs to pay full attention to the environment, container, operation and other factors during storage and transportation to ensure safety and ensure its quality is not damaged.