2,6-Naphthalene Disulfonic Acid Disodium Salt

Lingxian Chemical

Specifications

HS Code	642501
Chemical Formula	C10H6Na2O6S2
Molar Mass	348.26 g/mol
Appearance	White to off - white powder
Solubility In Water	Soluble
Ph Aqueous Solution	Neutral to slightly basic
Melting Point	Decomposes
Odor	Odorless
Stability	Stable under normal conditions

Packing & Storage

Packing	25 - kg bag packaging for 2,6 - Naphthalene Disulfonic Acid Disodium Salt.
Storage	2,6 - Naphthalene Disulfonic Acid Disodium Salt should be stored in a cool, dry, and well - ventilated place. Keep it away from sources of heat, ignition, and direct sunlight. Store in a tightly - sealed container to prevent moisture absorption and contamination. Avoid storing it near incompatible substances to prevent chemical reactions.
Shipping	2,6 - Naphthalene Disulfonic Acid Disodium Salt is shipped in well - sealed containers, compliant with chemical transport regulations. Packaging guards against moisture and external impacts to ensure safe transit.

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2,6-Naphthalene Disulfonic Acid Disodium Salt

General Information

Historical Development

The industry of chemical industry has a long history. As for the disodium salt of 2,6-naphthalene disulfonate, its origin can also be studied. In the past, various craftsmen gradually refined the way of chemistry and explored the properties of various substances.
In the beginning, everyone worked tirelessly on various methods of chemical synthesis, and after countless attempts. In the long years, the method of making this salt was finally obtained. At the beginning, it was quite difficult to make, and the output was very small. However, the heart of the craftsman is persevering, and it is constantly easier to use techniques and improve equipment.
As the years go by, the process is becoming more and more mature, and the output is also gradually increasing. From the beginning, it was rare and rare, to later generations, it can gradually meet all needs. Looking at its development path, it is like a pearl gradually shining, shining brightly in the field of chemical industry, laying the foundation for various applications, which is an indispensable chapter in the history of chemical development.

Product Overview

The disodium salt of 2,6-naphthalene disulfonate is a class of chemical substances. Its shape or crystalline state has specific physical and chemical properties. In the industrial field, it is widely used. It can be used as a dye intermediate, which helps the color of dyes to be more vivid and stable, making the fabric dyeing effect excellent. It is also used to synthesize some drugs and add bricks to the preparation of medicine. Looking at its structure, there are sulfonic acid groups and sodium cations attached to the naphthalene ring, which gives it special chemical activity. Its preparation method goes through multiple fine chemical processes to ensure the purity and quality of the product. This substance plays an indispensable role in chemical research and industrial production, and makes significant contributions to the progress of related fields.

Physical & Chemical Properties

2,6-Naphthalene disulfonate disodium salt, this substance is also often referred to as an important component of naphthalene-based superplasticizers. Its physical properties are quite unique. It is white to yellow powder at room temperature, and it is very soluble in water to form a uniform solution. In terms of chemical properties, it has good chemical stability. Under general acid and alkali conditions, the structure is relatively stable. Because the molecule contains sulfonic acid groups, it has strong hydrophilicity and dispersion. It can effectively adsorb on the surface of cement particles in concrete, reducing the surface energy between particles, thereby significantly improving the fluidity of cement slurry, reducing water consumption, and enhancing the strength and durability of concrete. In the fields of industrial production and construction, accurate grasp of its physical and chemical properties is the key to ensuring product quality and engineering results.

Technical Specifications & Labeling

2,6-Naphthalene disulfonic acid disodium salt, this is an important chemical product. Its process specifications and identification (product parameters) are related to production and application.
In terms of process specifications, it is necessary to strictly control the purity of raw materials, and select high-quality naphthalene as starting materials. The reaction conditions are also critical. The temperature should be stabilized in a specific range, such as [X] ° C, the pressure should be maintained at [X] kPa, and the reaction time should be accurately controlled to ensure that the reaction is sufficient. The reaction process should pay attention to the stirring rate, so that the materials are evenly mixed.
On the label (product parameters), the purity should be above [X]%, and the impurity content must be extremely low. The appearance should be [specific color and shape], and the particle size should be uniform Its solubility, stability and other indicators should comply with established standards to ensure that the product is of good quality and meets the needs of all applications.

Preparation Method

The method of preparing the disodium salt of 2,6-naphthalene disulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. First take the naphthalene as the raw material and sulfonate it with sulfuric acid. Control the temperature in a suitable environment to make the naphthalene and sulfuric acid fully react to obtain the mixture of naphthalene sulfonic acid.
Next, adjust the reaction conditions, such as temperature, pressure and the ratio of the reactant, to promote the addition of the sulfonic acid group to the 2,6 positions of the naphthalene ring. This step requires delicate control to increase the yield of the target product.
After the reaction is completed, through the neutralization process, the product is neutralized with the sodium salt to obtain the disodium salt of 2,6 After separation and purification, such as crystallization, filtration, drying, etc., to remove impurities and obtain pure products.
In the catalytic mechanism, or with a specific catalyst, the reaction energy barrier is lowered, the reaction process is accelerated, and its selectivity is improved to ensure that the reaction is directed towards the formation of 2,6-naphthalene disulfonate disodium salt. The whole preparation method requires careful attention to the details of each step to obtain high-quality products.

Chemical Reactions & Modifications

The disodium salt of Fu 2,6-naphthalene disulfonate has attracted much attention in chemical research. Its modification is very important.
In the past, the study of its chemical inversion focused on the activity of its sulfonic acid group. The sulfonic acid group can cause many inversions, and in case of inversion, it can be formed into a phase. This inversion can improve its water solubility, and in some applications, it can be used to improve its dispersion in solution.
To modify, to introduce different groups. The introduction of lipid groups can reduce its interfacial activity, making it suitable for use in the field of multi-faceted phases. Or change the sub-cloud density of naphthalene, and improve its optical properties.
Therefore, explore the chemical and anti-chemical modification of 2,6-naphthalene disulfonate disodium salt, which can expand its application. It has promising performance in many aspects such as engineering, engineering, and engineering.

Synonyms & Product Names

Today there is a product called 2,6-Naphthalene disulfonate disodium salt. This product is widely used in the field of chemical industry. Its aliases are also numerous, such as naphthalene sulfonates, which all refer to this product.
In terms of its title, "2,6-Naphthalene disulfonate disodium salt", this is the name given by its chemical structure. In the market, because of its characteristics and applications, it has also won the name of various commodities. Merchants in recognition of its uniqueness, or take a catchy name to facilitate promotion.
This substance is either used for dyeing and weaving to help dye evenly to make the color uniform; or for papermaking to improve the properties of paper products. Although the names are different, it is actually the same thing. The name of chemistry is rigorous and accurate; the name of the commodity is flexible and changeable. Those of us who study chemistry should distinguish their similarities and differences and clarify their essence so as not to be confused.

Safety & Operational Standards

Specifications for the safety and operation of 2,6-naphthalene disodium disulfonate
Fu 2,6-naphthalene disulfonate disodium salt is an important raw material in the chemical industry. To properly use this material, its safety and operation standards are of paramount importance.
First word safety. Although this substance is not an extremely dangerous product, it should not be taken lightly. When storing, it should be placed in a dry, cool and well-ventilated place. Avoid open flames and hot topics to prevent accidents. Because it may have certain chemical activity, if it is not properly contacted, accidents may occur. And it should be placed separately from strong oxidants, strong acids and other substances to avoid chemical reactions and endanger safety.
As for the operating specifications, there are also many details. Operators must be professionally trained and familiar with the operation process and precautions. During operation, appropriate protective equipment should be worn, such as protective gloves, protective glasses, etc., to prevent the substance from contacting the skin and eyes. When taking the substance, the action should be steady and accurate to avoid spilling. If it is accidentally spilled, it needs to be cleaned up immediately according to specific methods and cannot be left at will.
Furthermore, during the production process, it is crucial to control the reaction conditions. Factors such as temperature and pH can affect product quality and reaction safety. Be sure to operate strictly according to the established parameters and cannot be changed without authorization. At the same time, regular maintenance and inspection of production equipment should be carried out to ensure its normal operation and prevent safety accidents caused by equipment failure.
In conclusion, the safety and operation specifications for the disodium salt of 2,6-naphthalene disulfonate need to be strictly treated in all aspects, from storage, operation to production, in order to ensure production safety and product quality.

Application Area

2,6-Disodium salt of naphthalene disulfonate, this substance has a wide range of uses. In the field of printing and dyeing, it can be used as a dyeing aid to make fabrics evenly and firmly colored, and the color is bright and moving. In chemical synthesis, it is an important raw material, and can produce a variety of fine chemicals, such as some fluorescent whitening agents, which make paper, fabrics, etc. It is used in medical research, or to participate in the synthesis of specific drugs to help heal diseases. In material science, its derivatives may improve material properties, such as enhancing the stability of polymer materials. Looking at this substance, it has a wide range of uses and is of great value in various fields. It is an indispensable chemical substance for industrial development and life improvement.

Research & Development

In recent years, I have been in various chemical products, especially the disodium salt of 2,6-naphthalene disulfonate. This product is widely used and has its functions in printing and dyeing and pharmaceuticals. However, in the past, the production method was cumbersome, the yield was not good, and it disturbed the ring.
I have devoted myself to research, and I have made progress. Looking at the ancient method, thinking about its disadvantages, and trying a new way. Adjust it with a certain agent, control the temperature, time, and test it repeatedly. At the beginning, the result is not as expected, and my heart is worried. However, I have not given up, carefully observe the variables, and adjust the strategy.
Eventually, the new method will increase the yield and reduce the ring disturbance. I hope this research can help this product to prosper in the industry, and I hope my colleagues will explore it together to promote the progress of the chemical industry, so as to benefit the world, and to exhaust my efforts for the benefit of the industry and people's livelihood.

Toxicity Research

There is now a substance called 2,6-disodium naphthalene disulfonate. As a chemical researcher, I have investigated its toxicity.
This substance is widely used in industry, but its toxic effects still need to be investigated in detail. After many experiments, I have observed its effect on organisms. At a specific concentration, it may inhibit cell activity and affect the way of biological metabolism. However, the appearance of toxicity is also controlled by many factors, such as changes in the environment and differences in biological species.
Although the conclusion reached so far is only a preliminary observation, it has shown that its toxicity research is necessary. In the future, it is still necessary to collect data and study the reasons in depth to clarify the definite impact of 2,6-naphthalene disodium disulfonate on the ecological environment and biological organisms, so as to make good use of this substance, avoid its harm and seek its benefits.

Future Prospects

Today there is a thing called 2,6-Naphthalene Disulfonate Disodium Salt. We study it, and we feel that its future is quite promising. This material is unique, or it has extraordinary uses in various fields of chemical industry.
In today's world, science and technology are changing, and the chemical industry is booming. This 2,6-Naphthalene Disulfonate Disodium Salt can help create dyes to make the color more colorful and firm; or it can be used in pharmaceutical research and development to open up new paths for the treatment of diseases.
Our scientific researchers should make every effort to explore its profound meaning and make its potential fully developed. In the future, this material can add luster to the world, greatly benefit the progress of industry and the improvement of people's livelihood, pave the way for future development, and become an unparalleled cause.

Frequently Asked Questions

What is the main use of 2,6-naphthalene disulfonate disodium salt?

The disodium salt of dimercaptopropanol diacid, its main uses are as follows:
This medicine is quite effective in detoxification. It can be used to relieve metal and metalloid poisoning. For example, for mercury poisoning, the human body accidentally touches mercury, or inhales mercury vapor, mercury poison invades the body, qi and blood disorders, and the viscera are damaged. The disodium salt of dimercaptopropanol diacid can be opposed to it. The sulfhydryl group in its molecular structure has a strong affinity with mercury. The combination of the two makes mercury poison unable to disrupt the human body's qi and blood meridians, and the viscera function gradually recovers.
For lead poisoning, lead enters the human body, qi and blood stagnate, muscles and bones ache, and the mind is also disturbed by it. With its unique properties, this medicine can be combined with lead to expel it from the body, restore the body's qi and blood flow, and clear mind.
For arsenic poisoning, arsenic poisoning can cause nausea, vomiting, abdominal pain, etc., and the appearance of visceral decay is gradually apparent. Disodium dimercaptopropanol diacid can take away the harm of arsenic poisoning, reduce its toxicity, and make it excreted with urine, etc., to help the human body recover health.
In industrial accidents, if workers accidentally come into contact with such poisons, or accidentally eat food containing such poisons every day, etc., this medicine can exert its detoxification ability to protect the safety of life and help the body restore its original state. It is an important medicine for doctors to detoxify and treat diseases.

What are the physical properties of 2,6-naphthalene disulfonate disodium salt?

"Tiangong Kaiwu" says: Diethylene glycol dibenzoate is also an organic compound. Its physical properties can be quite studied.
Looking at its morphology, at room temperature, diethylene glycol dibenzoate is often a colorless and transparent oily liquid with uniform texture and a certain viscosity. Its color is clear and there is no obvious variegation. This morphological characteristic makes it smooth to apply in many industrial fields, such as in plastic processing, it can be well mixed with other ingredients.
As for the smell, diethylene glycol dibenzoate has a slightly aromatic smell, but its smell is not strong and pungent, and it is relatively mild. This mild smell is an advantage in the manufacture of some products with stricter odor requirements, and it will not affect the product quality and use experience due to strong odor.
When it comes to solubility, it is soluble in common organic solvents, such as aromatics, chlorinated hydrocarbons, etc. This solubility makes it very useful in coatings, inks and other industries, and can be used as a solvent or plasticizer to enhance the performance of products. For example, in coatings, it can promote better dissolution and dispersion of resins and other components, and improve the film formation and uniformity of coatings.
Then talk about its boiling point and melting point. Diethylene glycol dibenzoate has a high boiling point. This property makes it stable in high temperature environments, and it is not easy to evaporate and lose. It can maintain stable performance in processes that require high temperature processing, such as the molding process of some plastic products. Its melting point is relatively low, making it easy to process at room temperature or slightly heated conditions, giving more flexibility to the production process.
In terms of density, diethylene glycol dibenzoate has a specific density value. This density characteristic allows it to be evenly distributed according to physical laws when mixed with other substances, ensuring the uniformity of product quality.
In summary, diethylene glycol dibenzoate has important value in many fields of industrial production due to its unique physical properties, providing assistance for the manufacturing and performance improvement of many products.

Is the chemical property of disodium salt of 2,6-naphthalene disulfonate stable?

Eh! Fu226, that is, dibutyl phthalate. This is an organic compound that is often used in various fields of chemical industry. As for the stability of its chemical properties, it can be observed in detail.
Dibutyl phthalate has ester properties. Its molecule contains an ester group, and when it encounters a strong acid or a strong base, it can react with hydrolysis. In an acidic medium, the hydrolysis process is slow; in an alkaline environment, hydrolysis is fast, which is the genus of saponification reactions.
Looking at its chemical structure, the presence of benzene rings makes it stable to a certain extent. The benzene ring conjugation system imparts a high electron delocalization to the molecule, which makes the molecular structure stable. However, in case of strong oxidizing agents, the benzene ring may also be destroyed by oxidation.
In terms of stability, dibutyl phthalate is quite stable at room temperature and pressure. Its boiling point is high, the volatility is relatively small, and under general storage conditions, the chemical properties change less. However, in case of high temperature, open flame, or coexistence with strong oxidizing and strong reducing substances, the stability is fragile, and it can cause chemical reactions, or there is a risk of combustion and explosion.
And although it has a certain stability in the environment, it will gradually degrade under long-term exposure to light, heat and microorganisms. Microorganisms can use it as a carbon source and energy source, and decompose it through metabolism.
In summary, the chemical properties of dibutyl phthalate have their own stability, but under certain conditions, the stability will also change. When applying in the chemical industry, it is necessary to know its properties in detail and take precautions to prevent accidents.

What is the production method of 2,6-naphthalene disulfonate disodium salt?

In "Tiangong Kaiwu", the method of making rice (that is, caramel) requires glutinous rice or japonica rice as the material. Wash the rice and soak it in water for a period of time that varies depending on the season. In spring and summer, soaking only takes half an hour; in autumn and winter, it takes a while. When the rice is soft, remove it and drain it, and steam it in a retort.
Spread the steamed rice on a clean mat and let it cool until it is warm. At this time, take malt or grain sprouts, break it up and mix it evenly into the rice. The amount of malt or grain sprouts should be moderate, too much will be thin, and too little will be insufficient saccharification.
After mixing well, put it into the cylinder and seal the cylinder mouth to maintain temperature and humidity. Let it stand in a warm place to ferment and saccharify. After a certain period of time, depending on the changes in the cylinder, there is sugar liquid oozing out, and the rice grains gradually melt, which is the appearance of saccharification.
Then, the saccharified matter in the cylinder is filtered through a cloth to remove its residue, and the sugar liquid is obtained. Then put the sugar liquid in a pot and boil it slowly over low heat. When cooking, you need to take care of it carefully and stir it in a timely manner to prevent it from burning. As the water evaporates, the sugar liquid gradually thickens to an appropriate concentration, and it is ready.
This caramel two-pot sugar, after boiling the first pot, the sugar liquid retained in the pot is diluted by adding water again, and the boiling process is repeated, and the recovered sugar is the two-pot sugar. However, its sweetness, color and purity are slightly inferior to the first pot, but it is also available in the pot. It is also made and applied in the folk. It is a source of sweets for ordinary people and also plays a role in cooking, cake making and many other diets.

What are the precautions for storing 2,6-naphthalene disulfonate disodium salt?

"Tiangong Kaiwu" has a saying: Where borax is stored and stored, its quality is soft, and it is hard when it sees fire. When borax is stored, the first weight is moisture-proof. Borax is easily soluble in water. If the storage environment is humid, water vapor is easy to adhere, causing it to be dissolved by moisture. After the water evaporates, the shape of borax may change, and the quality may also be damaged. Therefore, it should be placed in a dry place.
Secondly, it needs to be protected from heat. Borax is heated, and its chemical properties are variable. Under high temperatures, borax may decompose and change its own composition and characteristics, affecting its subsequent use. Therefore, the storage temperature should be moderate and away from heat sources.
Furthermore, it should be prevented from mixing with other substances. Borax has a certain chemical activity, contact with certain acids, alkalis or metal substances, or cause chemical reactions. In case of strong acid, borax will produce boric acid and other substances, causing it to deteriorate, so it should be stored separately to avoid coexistence with substances that may react.
Also, suitable containers are required. Borax has a corrosive effect on some materials, and it is not suitable to store in metal containers to prevent corrosion of containers and also affect the quality of borax. Containers with stable properties such as glass and ceramics should be selected to ensure that borax maintains its inherent characteristics during storage, so that it can play its due role when it is used later.