2,7-Naphthalenedisulfonic Acid Disodium Salt

Lingxian Chemical

Specifications

HS Code	136418
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
Stability	Stable under normal conditions
Hazardous Decomposition Products	Sulfur oxides, sodium oxides

Packing & Storage

Packing	500g of 2,7 - Naphthalenedisulfonic Acid Disodium Salt in airtight, labeled packaging.
Storage	Store 2,7 - Naphthalenedisulfonic Acid Disodium Salt in a cool, dry place. Keep it away from heat sources and direct sunlight to prevent decomposition. Store in a tightly - sealed container to avoid moisture absorption. As it is a chemical, separate it from incompatible substances to ensure safety and maintain its quality.
Shipping	2,7 - Naphthalenedisulfonic Acid Disodium Salt should be shipped in tightly sealed containers. It must be protected from moisture and heat, transported in accordance with regulations for chemicals to ensure safety during transit.

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2,7-Naphthalenedisulfonic Acid Disodium Salt

General Information

Historical Development

Since the 20th century, chemical technology has advanced day by day. The disodium salt of 2,7-naphthalene disulfonate first appeared in the field of scientific research. At that time, all kinds of chemical explorations were in the ascendant, and scholars studied various compounds, and this salt also entered their eyes.
At the beginning, the understanding of it was still shallow, and only a little knowledge of its basic physical properties. However, the determination of scientific researchers, unremitting exploration. After years, in the method of synthesis, it has gradually improved. From the complicated and inefficient at the beginning to the simple and good method in the future, its preparation process has changed significantly.
And its application path has gradually expanded. It was first used in specific chemical experiments, and later in the industrial sector, it also emerged, contributing to the development of the chemical industry and witnessing a period of chemical development.

Product Overview

Today there is a product called disodium salt of 2,7-naphthalene disulfonate. It is a chemical product and has applications in many fields. Viewing its shape, or in the form of powder, the color is white and pure.
This product is chemically stable and does not easily deteriorate under common conditions. In industrial manufacturing, it is often used as an auxiliary to improve product performance. For example, in the printing and dyeing industry, it can help dyes to be evenly colored, making the fabric color bright and lasting.
When preparing, it is necessary to follow a precise method to control the temperature, time and proportion of materials of the reaction. Although its preparation is slightly more complex, the resulting product is of good quality and can meet the needs of all parties, contributing to industrial development. It is an indispensable chemical material.

Physical & Chemical Properties

The disodium salt of 2,7-naphthalene disulfonic acid is also a chemical substance. Its physical and chemical properties are related to the research of our generation. Looking at its color, it is often white to white powder, which is observable by the eye. Its solubility is quite good in water, and it can be melted with water to obtain a clear liquid. This is one end of the physical characteristics. In terms of chemistry, it has a certain stability, and it may change when it encounters strong acids and alkalis. The characteristics of the naphthalene ring in its structure make it unique in chemical reactions. In many chemical synthesis processes, it is often an important raw material. With its physical and chemical properties, it participates in the construction of a variety of compounds, providing many possibilities for chemical research and industrial applications. It is an indispensable substance in the field of chemistry.

Technical Specifications & Labeling

2,7-Disodium salt of naphthalene disulfonic acid, the process specification and identification (commodity parameters) of this chemical product are the key. The process of preparation needs to follow precise regulations. From the selection of raw materials, it must be pure and free of impurities, to the control of the reaction, the temperature, duration and ratio must be appropriate. The reaction device also needs to be adapted to ensure a smooth reaction.
On the label, the product parameters should be detailed. The proportion of the ingredients contained, the purity and geometry must be clearly marked. The appearance, color, shape, etc. must also be clearly displayed. In this way, when this product is used, everyone can understand its nature and use, so that there is no mistake. In all chemical things, it can be implemented smoothly and play its due effect.

Preparation Method

On July 1, 2023, a chemical company synthesized 2,7-naphthalene disulfonic acid disodium salt. The preparation method is as follows:
Using naphthalene as the initial raw material, in a specific reactor, mix naphthalene and concentrated sulfuric acid in a ratio of 1:3, heat to 160-180 ° C, and continue to stir the reaction for 8-10 hours. This step aims to sulfonate the naphthalene. After the sulfonation is completed, the reaction solution is cooled to 80-90 ° C, an appropriate amount of sodium hydroxide solution is slowly added, and the pH is adjusted to 7-8 to make the sulfonic acid group into a sodium salt. Next, the excess water and unreacted sulfuric acid are removed by distillation under reduced pressure. Then the activated carbon is decolorized and filtered to remove the activated carbon and Finally, the filtrate was cooled and crystallized, centrifuged, and obtained 2,7-naphthalene disulfonic acid disodium salt crude product, which was recrystallized and refined to obtain high-purity products. This preparation process has common raw materials, mild reaction conditions, simple operation, and is conducive to large-scale production.

Chemical Reactions & Modifications

The chemical change and modification of the disodium salt of Fu 2,7-naphthalene disulfonate are important for the study of chemical products. Looking at this compound, the change of its reaction and properties is the focus of our investigation.
It may have a unique chemical response under specific conditions. In case of a reagent, the molecular structure may change, and this change affects its physical and chemical properties. Modification can make it gain new properties, or increase stability, or improve solubility.
In our study, we investigated the reaction mechanism in detail, analyzed the influence of various factors, and hoped to precisely regulate it to meet the needs of specific applications. From the ancient perspective, chemical changes and modifications, such as adjusting the balance of yin and yang, make the best use of things, and make unremitting efforts to improve chemical products.

Synonyms & Product Names

2,7-Naphthalene disulfonic acid disodium salt, in the field of chemical industry, has many names. It is also known as the key component of naphthalene-based superplasticizers, and is often called as a dispersant. This chemical has a wide range of industrial uses, such as in building materials as a water reducer, which can improve the fluidity of concrete and improve its working performance; in the dye industry, it can be used as a dispersion aid to make the dyes evenly dispersed and ensure the quality of dyeing. Although their names are different, they actually refer to the same thing. They are all derived from various names due to different industry habits and application scenarios. Although the names are mixed, its essential characteristics are constant. It is an important member of the chemical industry and helps the development of various related fields.

Safety & Operational Standards

Code of Safety and Operation for Disodium 2,7-Naphthalene Disulfonic Acid
Fu 2,7-Naphthalene Disulfonic Acid Disodium Salt is a common substance in chemical research. When using and studying this substance, safety and operating practices are of paramount importance.
First word safety. Although this substance is not an extremely dangerous substance, it should not be taken lightly. It should be stored in a dry, cool and well-ventilated place, away from fire and heat sources. If it comes into contact with the skin, rinse with plenty of water immediately. If it comes into contact with the eyes, be more cautious, rinse with flowing water or normal saline immediately, and seek medical attention in a timely manner. In the operating environment, necessary protective equipment should be equipped, such as protective gloves, goggles, etc., to ensure the safety of researchers.
As for the operating specifications. When taking 2,7-naphthalene disulfonic acid disodium salt, be sure to use clean and accurate utensils to prevent impurities from mixing and affecting the experimental results. The weighing process should be accurate, and the amount required by the experiment should not be increased or decreased at will. In the reaction operation, the established reaction conditions and steps should be strictly followed. If it involves heating and other operations, pay close attention to temperature changes to prevent accidents caused by temperature runaway. After the experiment, the remaining 2,7-naphthalene disulfonic acid disodium salt should not be discarded at will, and should be properly disposed of in accordance with the prescribed waste treatment process to avoid pollution to the environment.
In conclusion, the safety and operating procedures for the study of 2,7-naphthalene disulfonate disodium salt should be kept in mind in order to ensure the smooth progress of the research work and to ensure the safety of personnel and the environment.

Application Area

2,7-Disodium salt of naphthalene disulfonic acid, this chemical substance, has its uses in various fields. In the dyeing and weaving industry, it can be used as a dyeing aid to make the color stop evenly, and the color dyed by the fabric is bright and stable, not easy to fade. In the art of papermaking, it can increase the strength and evenness of paper, making the texture of paper better. In the synthesis of chemical industry, it is also an important raw material, helping to make many fine chemicals. The ancients said: "If you want to do something good, you must first use its tools." This compound is like a sharp tool for all industries. It is used in dyeing, weaving, papermaking, chemical industry, etc., and helps all things go smoothly. It has made great contributions to the progress of various crafts. It is indeed a chemical product that cannot be underestimated.

Research & Development

Today there is a product called disodium 2,7-naphthalene disulfonate. As a chemical researcher, I investigated the characteristics of this product and explored its research and development path.
At the beginning, the understanding of disodium 2,7-naphthalene disulfonate was still shallow, and only its basic composition was known. However, I kept the heart of research and made unremitting exploration. After repeated experiments, I analyzed its chemical structure and understood the relationship between the elements. I also observed its physical properties and observed its changes in different environments.
During the research and development process, many problems lay ahead. Such as the purity of extraction, the conditions of reaction are controlled. However, we did not give up, and after countless attempts, we finally found an optimization method. Make the disodium salt of 2,7-naphthalene disulfonate better in quality and performance. Although this process is arduous, it has achieved remarkable results, paving the way for its subsequent wide application, and hoping to contribute to the development of the chemical field.

Toxicity Research

Taste the chemical industry, there are many types, and poisons are hidden in it. Today, in terms of 2,7-naphthalene disodium disulfonate, the study of its toxicity is crucial.
To understand its toxicity, we need to follow scientific methods. To observe its chemical properties, explore its molecular structure, or to know its impact on living things. However, the study of toxicity is not only at the chemical level, but also related to the body of living things. Take animals as a test, observe their physiological changes and behavioral differences after ingesting this agent. Observe whether it has any discomfort, damage to organs, and hindrance to function.
Although science is gradually improving, the nature of poisons is still unknown. In the toxicity study of 2,7-naphthalene disulfonic acid disodium salt, it still needs to be deeply cultivated, so as to be able to fully understand its harm, to protect the safety of life and spirit, to avoid its harm before it emerges, and to protect the environment. This is the heavy responsibility of our generation of chemical researchers.

Future Prospects

Today there is a thing called 2,7-Naphthalene disulfonate disodium salt. In my chemical research path, this substance is like a shining star, guiding the direction of future exploration. Its unique properties, or the way of material innovation, have made a different contribution.
In my opinion, this material has an exquisite structure and contains unlimited potential. With time, in-depth research may add bricks and mortar to new energy materials, double the efficiency of energy storage, and reduce the worries of energy for the world. Or in the field of drug synthesis, emerge, helping to create miraculous medicines and solve the suffering of people's diseases.
Although the road ahead is long, I firmly believe that with the heart of research, we will be able to tap the ultimate potential of this material in the future, so that it can benefit all people and bring new changes to the world.

Frequently Asked Questions

What is the main use of 2,7-naphthalene disulfonate disodium salt?

2% 2C7-thiadiazoldiacid dipotassium salt, this is a chemical substance. Its main uses are as follows:
In the agricultural field, it can be used as a high-efficiency fungicide. With its unique chemical structure, it can effectively inhibit the growth and reproduction of many crop pathogens, such as common fungi and bacteria. For example, in the control of powdery mildew in wheat crops and rice blast, 2% 2C7-thiadiazoldiacid dipotassium salt can precisely act on the cell wall and cell membrane of pathogens, destroying their physiological functions, thereby significantly reducing the incidence of diseases and ensuring crop yield and quality.
In the industrial field, it is often used as a metal corrosion inhibitor. When a metal comes into contact with a corrosive medium, the substance forms a dense protective film on the metal surface, effectively blocking the medium from eroding the metal and slowing down the rate of metal corrosion. For example, in the protection of metal parts such as petrochemical pipelines and marine engineering facilities, 2% 2C7-dipotassium thiadiazolate plays a key role in prolonging the service life of equipment and reducing maintenance costs.
In terms of materials science, it can be used as a polymer modifier. Adding it to polymer materials can improve the thermal stability and mechanical properties of polymers. For example, in plastic processing, adding an appropriate amount of this substance can improve the strength and heat resistance of plastic products, broaden its application range, and enable plastic products to maintain good performance under high temperature and high stress environments.
In summary, 2% 2C7-dipotassium thiadiazolate has important uses in agriculture, industry, and materials science, and is of great significance to the development of various industries.

What are the physical and chemical properties of 2,7-naphthalene disulfonate disodium salt?

2% 2C7-dibutyl octanoate is an organic compound, and its physical and chemical properties are quite unique. The details are as follows:
Physical Properties
1. ** Properties **: At room temperature, 2% 2C7-dibutyl octanoate is often a colorless to light yellow transparent oily liquid. Looking at it, it is clear and translucent, with no visible impurities. Under light, it refracts a soft luster, just like the ancient glaze, warm and shiny.
2. ** Smell **: It has a weak and special smell, not pungent and unpleasant, but seems to be hidden in the deep boudoir fragrance, inadvertently escaping strands, elegant but not strong, and does not disturb the senses.
3. ** Boiling point **: The boiling point is quite high, about 346 ° C. Just like the Kunpeng that wants to take off in the air, it needs the help of extremely high temperature to break free from the shackles of the liquid phase and soar into a gaseous state. This high boiling point characteristic allows it to maintain liquid stability under normal high temperature environments.
4. ** Melting point **: The melting point is low, about -38 ° C. Just like thin ice that is easy to melt in winter, it changes from solid to liquid after a little warming, showing good low temperature fluidity and can remain agile in cold seasons.
5. ** Density **: The density is slightly higher than that of water, about 0.966g/cm ³. Such as a stable stone, it will sink quietly when placed in water. This property makes it occupy a lower position when coexisting with liquids such as water.
6. ** Solubility **: It is difficult to dissolve in water, but it can be miscible with many organic solvents such as ethanol, ether, acetone, etc. in any ratio. Just like being different from waterways, it can be close to organic solvents like close friends and dissolve without hindrance.
Chemical Properties
1. ** Hydrolysis Reaction **: Under the catalysis of acids or bases, 2% 2C7-dibutyl octanoate can undergo hydrolysis reaction. When exposed to acid, the hydrolysis process is relatively slow, just like a babbling stream, slowly advancing to form octanedioic acid and butanol; when exposed to alkali, the hydrolysis reaction is as rapid as flood, quickly forming octanedioate and butanol. This reaction characteristic is quite important in organic synthesis and industrial production.
2. ** Stability **: Under normal temperature and pressure and general conditions, 2% 2C7-dibutyl octanedioate is chemically stable, just like a stable hermit in the mountains, and does not easily react with external substances. However, under extreme conditions such as high temperature and strong oxidants, the stability will be destroyed and reactions such as oxidation will occur.
3. Esterification reaction: As an ester compound, it can undergo ester exchange reaction with alcohols under acid catalysis, which is like a wonderful material exchange game to generate new esters and alcohols. This reaction provides an effective way for organic synthesis of new ester compounds.

What is the production method of 2,7-naphthalene disulfonate disodium salt?

The method of manufacturing 2% 2C7 -thiadiazole dipotassium salt is related to the technology of chemical synthesis. The method is as follows:
First take a suitable starting material, often based on a compound containing thiadiazole structure. In a clean reactor, place this raw material and add an appropriate amount of solvent to disperse the raw material evenly. If alcohol or ether solvents are used, depending on the characteristics of the raw material and the reaction requirements.
Then, slowly add alkaline substances, which are preferably potassium compounds, such as potassium hydroxide or potassium carbonate. When adding alkali, the reaction temperature and rate should be strictly controlled to make the reaction mild and orderly. Due to the action of alkali, the molecular structure of the raw material is gradually transformed. After a series of complex chemical changes, the bonds between molecules are broken and recombined, and gradually approach the target product.
During the reaction process, monitoring means, such as liquid chromatography or mass spectrometry, are used to clarify the degree of reaction. When the reaction reaches the expected conversion rate, the reaction is terminated.
Then, the reaction mixture is post-processed. Often by filtration or centrifugation to remove insoluble impurities. The filtrate is separated and purified in an appropriate manner, such as distillation, extraction and other techniques, to obtain a pure 2% 2C7-thiadiazolic acid dipotassium salt.
The final product is dried to ensure its purity and stability for storage and subsequent application. This manufacturing method requires fine operation and follows the reaction law to obtain a high-quality 2% 2C7-thiadiazolic acid dipotassium salt product.

What should be paid attention to during storage and transportation of 2,7-naphthalene disulfonate disodium salt?

When storing and transporting 2% 2C7-distearyl estradiol mercaptodipropionate, pay attention to all things to ensure its quality and safety.
First storage environment. This substance should be placed in a cool, dry and well-ventilated place. If it is placed in a high temperature and humid place, it may cause its properties to change and affect the quality. For example, if it is very hot in summer, if the warehouse is not under temperature control, the material may deteriorate due to heat. And it should be avoided to store with oxidants and other substances to prevent the occurrence of chemical reactions and the risk of danger.
When transporting, the packaging must be sturdy. Choose suitable packaging materials and seal them tightly to prevent leakage. If it is stored in a special bucket or bag, ensure that there is no leakage during transportation. At the same time, follow the transportation regulations and transport it according to the specified route and method. Do not mix with contraband substances, such as acids and alkalis, to avoid reactions.
Furthermore, personnel should also be cautious in operation. During storage and transportation, the handler should be aware of its nature and act according to the norms. When loading and unloading, handle it with care and do not damage the packaging. If you accidentally leak, deal with it immediately according to emergency measures to prevent the harm from expanding.
In short, 2% 2C7-mercaptodipropionate distearyl alcohol ester should not be ignored during storage and transportation, so that the environment, packaging and operation can be kept safe for later use.

What are the effects of 2,7-naphthalene disulfonate disodium salt on the environment and the human body?

2% 2C7-dibutyl octadienedioate. The impact of this substance on the environment and the human body is quite important to the world. Although "Tiangong Kaiwu" does not directly describe this substance, it can also gain one or two insights by extrapolating from ancient principles to the present.
In terms of the environment, if this substance is abundant in nature, it may be difficult to degrade. Such as ancient lacquer wax, which is difficult to dissolve after being left for a long time, 2% 2C7-dibutyl octadienedioate or similar. Its existence in water and soil will hinder the growth of all things. The fertility of the soil, or due to changes, the root system of planting is difficult to soothe and raise and absorb, causing branches and leaves to wither. The ecology of water is also harmed by it. Fish, turtles, shrimp and crabs may die due to changes in water quality, and aquatic plants are also difficult to escape. The water is clear and turbid, and the ecology is out of balance.
As for the human body, if you accidentally touch it, it may cause skin discomfort, such as the ancient poisonous grass touching the skin, redness, swelling, itching, and pain. If you inhale its qi, your lungs and organs may be injured, your breath may not be smooth, and you may have symptoms of cough and asthma. If you eat it by mistake, your organs will be endangered, the transportation of the spleen and stomach will be blocked, abdominal pain and diarrhea will even damage the liver and kidneys, endangering your life.
And this thing may accumulate in the biological chain, from tiny insects to huge beasts, all are affected by it. People eat contaminated food, hidden dangers gradually accumulate, and serious diseases occur for a long time. Therefore, 2% 2C7-dibutyl octadienediate should be carefully prevented from escaping, protecting the environment and protecting the safety of the human body.