2,6-Naphthalenedisulfonic Acid, Disodium Salt

Lingxian Chemical

Specifications

HS Code	549959
Chemical Formula	C10H6Na2O6S2
Molar Mass	348.26 g/mol
Appearance	white to off - white powder
Solubility In Water	soluble
Ph Aqueous Solution	usually near neutral
Melting Point	decomposes
Odor	odorless
Stability	stable under normal conditions

Packing & Storage

Packing	25 - kg bag of 2,6 - Naphthalenedisulfonic Acid, Disodium Salt, well - sealed for storage.
Storage	2,6 - Naphthalenedisulfonic Acid, Disodium Salt should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in tightly - closed containers to prevent moisture absorption. Avoid storage in areas prone to humidity to prevent caking and degradation, ensuring its chemical stability.
Shipping	2,6 - Naphthalenedisulfonic Acid, Disodium Salt is shipped in well - sealed containers. Precautions are taken according to chemical shipping regulations to prevent exposure, ensuring safe transportation during transit.

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2,6-Naphthalenedisulfonic Acid, Disodium Salt

General Information

Historical Development

2,6-Disodium salt of naphthalene disulfonate, the development of this compound has a long history. In the past, chemical sages worked tirelessly, but their understanding was still shallow at the beginning, and they explored many material properties and production methods.
After years of delay, various experiments have been improved, and the preparation methods have become more and more refined. In the past, or limited by technology, the yield was low, and the quality was not high. Later, with the evolution of technology, high-quality products can be obtained with better processes.
Since its inception, it has emerged in many fields and has been widely used. In the past, it was only a rare thing in the laboratory, but now it is indispensable in various industrial processes and scientific research and exploration, witnessing a period of chemical development.

Product Overview

Today there is a product called disodium salt of 2,6-naphthalene disulfonate. Its shape or the state of crystal powder, the color is often close to white. This is a commonly used raw material in chemical synthesis, and it is useful in many fields. In the process of dye preparation, it can be the key to adding color, helping the color of the dye to be bright and lasting. In some pharmaceutical synthesis paths, it can also play a unique role in helping the research and development of new agents. Its performance is stable, and it rarely changes in the normal temperature and humidity environment. However, when preparing, it is necessary to follow precise methods to control the temperature and speed to ensure pure quality. Such a good product is really a treasure in the chemical industry and has made great contributions to the development of the industry.

Physical & Chemical Properties

On June 25, 2024, the disodium salt of 2,6-naphthalene disulfonic acid is one of the chemical substances. Its physical properties are also, at room temperature, white to light yellow crystalline powder, like fine sand, pure in appearance, no variegated mottles. Easily soluble in water, it quietly disappears in water, as if it is invisible, the solution is clear and transparent, like clear water.
Its chemical properties are stable, and it is not easy to decompose on its own in common environments. When encountering strong oxidizing agents, it is like a warrior meeting an enemy, and an oxidation reaction can occur, and its structure changes. In the field of organic synthesis, it is often used as an intermediate, like a bridge to connect various reactions and help others synthesize. Due to its unique properties, it is used in dyes, medicine, and other industries, making it a treasure in the field of chemistry.

Technical Specifications & Labeling

Today there is a product called 2,6-Naphthalene disulfonic acid disodium salt. The process specification for its preparation is the most important research of our generation. To obtain this good product, you need to follow a fine method. First take an appropriate amount of naphthalene, through sulfonation, precise temperature control, and time, so that the sulfonic acid group just falls on the 2,6 position of naphthalene. After the reaction is completed, neutralize with sodium base by means of neutralization, and then separate and purify the art to remove its impurities to obtain a pure 2,6-Naphthalene disulfonic acid disodium salt.
As for the calibration of quality, the first look at its color should be as white as snow, without variegated stains. To measure its purity, it must reach a very high standard, and the impurity content is minimal. Measuring its melting point, when in a specific range, is an important characterization of quality. Therefore, according to this process specification and calibration method, high-quality 2,6-naphthalene disulfonate disodium salt can be obtained to meet the needs of all parties.

Preparation Method

The preparation method of the disodium salt of 2,6-naphthalene disulfonate is related to the raw material and production process, reaction steps and catalytic mechanism. The raw material often takes naphthalene as the starting point, and the sulfonic acid group is introduced through the sulfonation reaction. During sulfonation, concentrated sulfuric acid or fuming sulfuric acid is used as the sulfonation reagent, and the naphthalene reacts with the sulfonating agent at a specific temperature and time to obtain 2,6-naphthalene disulfonate.
Thereafter, 2,6-naphthalene disulfonate is reacted with sodium hydroxide, and the acid-base is neutralized to obtain 2,6-naphthalene disulfonate disodium salt. This reaction step requires temperature control and speed control to ensure the complete reaction.
In the catalytic mechanism, specific cataly After the reaction is completed, a high purity 2,6-naphthalene disulfonic acid disodium salt product is obtained by separation and purification. In this way, according to this preparation method, the desired product can be obtained.

Chemical Reactions & Modifications

One evening, I studied a chemical substance in my study, which was called disodium salt of 2,6-naphthalene disulfonate. The transformation and modification of this substance took a lot of thought.
Thinking about the wisdom of the past, in the field of chemistry, I have studied unremitting, and finally made a breakthrough. Now I am also following in its footsteps to explore the wonders of this substance. The way of its adaptation may vary depending on conditions. Temperature and the amount of reagents are all variables, which affect the direction of chemical adaptation.
As for the way of modification, it is necessary to observe the structure of its molecules. Or add groups, or the properties of bond adjustment, hoping to change its quality to suit the needs of diversity. Although the road ahead is long and there are many thorns, I hold a strong heart and hope to find a good path between chemical adaptation and modification, so that this material can play a greater role, contribute to the chemical industry, live up to what I have learned, and follow the ambition of my ancestors.

Synonyms & Product Names

2,6-Naphthalene disulfonic acid disodium salt, which is also known as naphthalene series superplasticizer. Gu Yun: "The famous one is the real one." In the field of chemical industry, its many nicknames vary depending on the use, production method and characteristics.
It is called the dispersant NNO, because in many industrial processes, it can make the material evenly dispersed and has a significant effect, so it is named. There are also people who call 2,6-naphthalene disulfonic acid sodium salt, which is called by its name from its chemical composition.
Looking at its effectiveness, in the construction industry, it can make the various components of concrete blend seamlessly and improve its performance. Just as the old saying "complements each other", this material works together with concrete to achieve a strong building. In the printing and dyeing industry, it can also help the dye to be evenly colored, just like "flicking ink", and the fabric will gain brilliant colors. Although its name is different, its effectiveness is the same, and it is the driving force of industry and the cornerstone of development.

Safety & Operational Standards

Specifications for safety and operation of disodium 2,6-naphthalene disulfonate
Fu 2,6-naphthalene disulfonate disodium salt, one of the chemical products. Its preparation, storage and use all links must strictly abide by safety and operating standards to ensure that everything goes smoothly and is safe from people, things and the environment.
When preparing, the craftsman should wear complete protective gear, such as protective clothing, gloves, goggles, etc., to prevent this product from touching the skin and entering the eyes. And the preparation site must be well ventilated to dissipate harmful gases that may be generated. The utensils used must be clean and suitable, and operate according to precise procedures without slight errors.
As for storage, this product should be placed in a dry and cool place, away from fire and heat sources, and must be separated from oxidizers, acids and other substances to prevent unexpected reactions. The place of storage should be clearly marked, stating the name, characteristics and emergency measures of this product.
When using, also need to be cautious. Users must be familiar with its characteristics and risks, and operate according to the standard steps. If it is accidentally splashed on the skin or into the eyes, rinse with plenty of water immediately and seek medical treatment immediately. If it is scattered during use, it should be cleaned immediately to avoid diffusion. The waste involved should also be properly disposed of in accordance with regulations and should not be discarded at will.
In short, it is crucial to the safety and operation specifications of 2,6-naphthalene disulfonate disodium salt. Practitioners must keep it in mind and practice it earnestly in order to achieve safe production and use without harm.

Application Area

2,6-Naphthalene disulfonic acid disodium salt, this compound has a wide range of uses. In the field of printing and dyeing, it can be used as an auxiliary agent to help dye even dyeing, so that the fabric color is uniform and bright, and it can improve the affinity of dyes and better color fixing. In the paper industry, it can improve the properties of paper, enhance the strength and water resistance of paper, and help the fiber to combine tightly. In the field of chemical synthesis, it is an important intermediate for the preparation of many organic compounds, which are converted into products with different functions through specific reactions, and are used in the fields of medicine, pesticides, etc. Its application in various fields has greatly promoted the development of related industries and played a key role.

Research & Development

The industry of chemical industry is changing with each passing day, and the research of substances is related to hundreds of workers. Today there is a product called disodium salt of 2,6-naphthalene disulfonic acid, which is quite important in chemical industry.
We study it, observe its properties, and explore its properties. This product is often a key additive in the reaction, which can change the properties of materials and promote the speed of reaction.
In the past, its preparation method was cumbersome, and the yield was not perfect. Today, we are working hard to improve the process. After repeated trials, the process is optimized, and the yield is gradually increasing, and the quality is also good.
And looking at its application, it can be developed in the printing and dyeing and pharmaceutical industries. When printing and dyeing, it can help dyes to be evenly dyed and have a bright color; when making pharmaceuticals, it can be used as a medium and help ingredients to blend.
We should persevere and study it in depth, hoping that it will be applied more widely in the future, promoting the chemical industry, flourishing and benefiting the world.

Toxicity Research

Toxicity of disodium salt of 2,6-naphthalene disulfonate. This agent has many applications in chemical industry, but its toxicity is related to the safety of all living beings and cannot be ignored.
Take white pigs, guinea pigs, etc. as subjects, and apply them in different ways and doses. Oral intake, observe the reaction of the digestive system, see vomiting, diarrhea, and with the increase of dose, the symptoms get worse. Skin contact, redness, swelling, showing signs of irritation.
Compound with cell experiments to explore its effect on cells, observe cell morphology and proliferation changes. The results show that this agent can cause cell morphology aberration, proliferation is inhibited, which shows that it disturbs the normal physiological function of cells.
In summary, the disodium salt of 2,6-naphthalene disulfonate is toxic to a certain extent. When producing and using it, care must be taken to prevent it from endangering life and health, and further research should be conducted on detoxification methods to ensure safety.

Future Prospects

I have dedicated myself to the research of the product of disodium salt of 2,6-naphthalene disulfonate. This product has been used in various fields of chemical industry today. However, what I hope for is the expansion of the future.
To make this product more outstanding in performance, in fine chemicals, it can help synthesize exquisite materials with extraordinary characteristics, such as extremely high stability and specific optical properties. In the field of medicine, it may become the cornerstone of new drug research and development, adding a new way to cure diseases.
Furthermore, I hope that its production method can be revolutionized, saving more resources and less pollution of the environment. In this way, this product will be able to develop its talents in the future, prosper in all kinds of prosperity, and be used by the world, becoming the ambition of our researchers.

Frequently Asked Questions

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

2% 2C6-dimethyl naphthalate is a very important compound in organic chemistry. It has a wide range of uses, and now in ancient Chinese, its main uses are described.
First, in the preparation of polyester materials, this compound has a significant effect. It can be polycondensed with polyols to produce polyester resins with excellent performance. This resin is widely used in many fields such as fibers, films and engineering plastics. For example, in the fiber field, the polyester fibers produced have high strength, wear resistance, wrinkle resistance and other properties, so they are often used in the textile industry. They can weave high-quality fabrics and make all kinds of clothing. They are both beautiful and durable. In terms of film, polyester film has high transparency and good barrier properties. It is often used in the packaging industry, which can effectively protect the contents and extend their shelf life.
Second, in the production of plasticizers, 2% 2C6-dimethyl naphthalate is also indispensable. Plasticizers can improve the flexibility and plasticity of plastics, and plasticizers made from this compound have superior performance. Many plastic products, such as polyvinyl chloride (PVC) products, can improve their processing performance and performance after adding such plasticizers, making them more widely used in building materials, wire and cable skins and other fields.
Third, this compound is also involved in the field of medicine and chemical industry. As an important organic synthesis intermediate, it can participate in the synthesis of a variety of drugs. After a series of chemical reactions, pharmaceutical ingredients with specific pharmacological activities can be prepared, providing a key foundation for pharmaceutical research and development and production, and assisting the development of human health.
In summary, 2% 2C6-dimethyl naphthalate plays a pivotal role in many industries such as materials, chemicals and pharmaceuticals, and contributes greatly to the progress and development of various industries.

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

2% 2C6-dimethyl naphthalate is an organic compound. It has many physical properties and is very important in the chemical industry.
Looking at its properties, 2% 2C6-dimethyl naphthalate is a white crystalline powder under normal conditions, which makes it easy to handle and store. When it comes to the melting point, it will melt from solid to liquid at a specific temperature between 141 ° C and 145 ° C. This characteristic is of great significance for material processing, chemical synthesis and other processes. Processors can control the reaction conditions and product morphology accordingly.
Besides, the boiling point is about 399 ° C. It will change from liquid to gas at high temperature. This property is crucial in the process of separation and purification. Chemical production can obtain high-purity products by means of distillation through boiling point difference.
This substance is insoluble in water, but soluble in some organic solvents, such as chloroform, dichloromethane, etc. This solubility is of great significance in organic synthesis. Researchers can choose a suitable solvent to dissolve it according to its characteristics to carry out various chemical reactions, and can also use the solubility difference for product separation and purification.
In addition, the density of 2% 2C6-dimethyl naphthalate is about 1.24 g/cm ³. Density information is indispensable in material design and application. It can help engineers calculate material dosage, estimate product weight, and ensure that products meet design requirements.
In summary, the physical properties of 2% 2C6-dimethyl naphthalate, such as white crystalline powder morphology, specific melting point boiling point, solubility and density, lay the foundation for its application in chemical synthesis, material preparation, etc. Chemical practitioners and researchers can only use it rationally if they are familiar with these properties to achieve efficient production and innovative research.

How to prepare 2,6-naphthalene disulfonate disodium salt

The method of preparing 2% 2C6-dibutyl naphthalate has been known for a long time. To make this product, all kinds of raw materials need to be prepared, and the method can be understood before it can be obtained.
First, prepare naphthalic acid and n-butanol, both of which are the basis for preparing this product. Naphthalic acid needs to be selected as pure, and impurities should not enter, so as not to damage the synthesis industry. The same is true for n-butanol, which must have high purity before it can be used.
Second, catalytic materials need to be prepared, and sulfuric acid can be one of them. The amount of sulfuric acid, when accurately weighed, is too fast and difficult to control; at least the reaction is slow and time-consuming.
Prepare all kinds of things and put them into the reaction vessel. The vessel needs to be clean and dry to prevent the disturbance of miscellaneous gas and moisture. Enter naphthalic acid, n-butanol and sulfuric acid in sequence, stir them evenly, so that the things touch, which is conducive to the reaction.
After that, heat up. Temperature control is crucial. The temperature rise should not be taken suddenly. When it gradually rises, it reaches a suitable temperature, about 140-160 degrees Celsius. At this temperature, the reaction can proceed. During the reaction, bubbles can be seen escaping, which is a sign of the reaction.
After the reaction is completed, the product contains impurities and needs to be purified. Wash it with water first to remove soluble substances such as sulfuric acid. Then wash it with alkali, neutralize the residual acid. After washing, dry it with anhydrous magnesium sulfate, etc., to remove the water vapor.
Finally, by distillation, a pure 2% 2C6-dibutyl naphthalate is obtained. During distillation, the temperature is controlled within a specific range, and the intermediate fraction is collected, which is what is required.
Although this method is simple, it is actually practiced. It is necessary to be careful and follow the procedures in all steps to obtain good products.

What are the precautions for the storage and transportation of 2,6-naphthalene disulfonate disodium salt?

2% 2C6-dimethyl naphthalate, during storage and transportation, it is necessary to pay attention to many matters.
When storing, the first choice of environment. When placed in a cool, dry and well-ventilated place. This cover is due to the fact that if it is in a humid place, moisture is easily invaded, or its properties are mutated, which affects the quality. In case of continuous rain, if the warehouse is not properly protected and water vapor seeps in, the substance may be susceptible to moisture and agglomeration. And it should be kept away from fire and heat sources. Although this substance is not extremely flammable, fire and heat sources may also cause accidents. If the warehouse is adjacent to the fire, a little carelessness will cause disaster.
In addition, it needs to be placed separately from oxidants, acids and other substances. Due to the limited chemical properties of the substance, it coexists with oxidants and acids, and is prone to chemical reactions, which will damage its inherent characteristics. For example, if the strong oxidizing property of the oxidant, or the oxidation and deterioration of 2% 2C6-dimethyl naphthalate.
When transporting, it should not be ignored. The transportation vehicle must be clean and dry, and there must be no residual chemicals in the compartment to avoid contamination. Care should be taken during the loading process to avoid damage to the packaging. If the packaging is damaged, the substance may change in contact with the external environment during transportation. And during transportation, the speed of the vehicle should be stable to avoid excessive bumps and vibrations, resulting in damage to the packaging. At the same time, transport personnel should be familiar with the characteristics of the substance and emergency treatment methods. In case of emergencies, they can respond in time and avoid major disasters. In this way, it is necessary to ensure that 2% 2C6-dimethyl naphthalate is safe during storage and transportation.

Is 2,6-naphthalene disulfonate disodium salt harmful to the environment and human body?

2% 2C6-dibutyl naphthalate, which is potentially harmful to both the environment and the human body.
Looking at the environment, it has a certain persistence, is difficult to degrade, and is easy to accumulate in environmental media such as water and soil. If discharged into water bodies, it may cause aquatic ecological disorders. If aquatic organisms ingest water bodies containing this substance, they may show abnormal growth and development. And it may be transmitted and enriched through the food chain, from plankton to fish and shrimp, and then to birds and mammals that feed on fish and shrimp, eventually leading to increased concentrations in high-trophic organisms, threatening the survival of the population.
As for human health, it should not be underestimated. After entering the human body through breathing, diet or skin contact, it may interfere with the endocrine system. The endocrine system is crucial to the regulation of the human body. Once it is disturbed, it may cause hormonal imbalance, leading to many health problems. For example, in animal experiments, it can be observed to cause reproductive and developmental abnormalities. Long-term exposure may increase the risk of cancer. Although the relevant research is not perfect, there are clues suggesting its potential carcinogenicity.
The ancients said: "The scourge of husband often accumulates in the small, and the wisdom and courage are often trapped in drowning." For potentially harmful substances such as 2% 2C6-dibutyl naphthalate, it is necessary to be careful and closely monitor their impact on the environment and human body to prevent problems before they occur, so as not to accumulate disasters and involve ecology and human life.