Naphthalene-1,5-Disulfonic Acid, Disodium Salt

Lingxian Chemical

Specifications

HS Code	312635
Chemical Formula	C10H6Na2O6S2
Molar Mass	348.26 g/mol
Appearance	White to off - white powder
Solubility In Water	Soluble
Ph Of Aqueous Solution	Neutral to slightly alkaline
Melting Point	Decomposes
Density	N/A (powder)
Stability	Stable under normal conditions
Odor	Odorless
Hazard Class	Non - hazardous for most common uses

Packing & Storage

Packing	Packed in sacks, 25 - kg quantity of Naphthalene - 1,5 - Disulfonic Acid, Disodium Salt.
Storage	Storage for Naphthalene - 1,5 - Disulfonic Acid, Disodium Salt Store naphthalene - 1,5 - disulfonic acid, disodium salt in a cool, dry place. Avoid direct sunlight and moisture, as it may react or degrade. Keep it in a well - sealed container, preferably in a chemical storage area away from reactive substances and heat sources. Ensure proper ventilation to prevent the build - up of potentially harmful fumes.
Shipping	Naphthalene - 1,5 - Disulfonic Acid, Disodium Salt is shipped in well - sealed containers, protected from moisture and heat. It follows strict regulations for the transport of chemicals to ensure safe and proper handling during transit.

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Naphthalene-1,5-Disulfonic Acid, Disodium Salt

General Information

Historical Development

I have heard of the chemical industry, and there are many categories. There are things called Naphthalene-1,5-Disulfonic Acid, Disodium Salt, which can also be described in the evolution of history. In the past, the chemical industry was just emerging, and everyone gradually studied the art of sulfonation. At that time, the exploration of this compound originated from the heart of curiosity. Craftsmen and scholars used their minds to understand its nature and improve its methods.
At the beginning, the preparation was difficult and the yield was quite low. However, everyone was not discouraged. With the change of years, the skills gradually improved. From the choice of raw materials to the control of the process, there have been improvements. As a result, the output of this product has gradually increased, and its application has also gradually increased. Or used for dyeing and weaving, adding color and luster; or used in other industries, each showing its ability. In the history of chemical industry, it is like a pearl. Although it has passed through the years, its brilliance has become more and more obvious, laying the foundation for the progress of future chemical industry and becoming a clear proof of past exploration.

Product Overview

One of naphthalene, penta-disulfonic acid, disodium salt, is an important chemical product. Its shape or powder, color is often nearly white. This product has sulfonic acid groups and sodium ions, and is relatively stable. In the field of industry, it has a wide range of uses. It can be used as a dye intermediate to help the color reaction of dyes, making the color brighter and longer lasting. It is also used to make some additives and optimize the chemical process. The preparation method is obtained by ingenious action of naphthalene and sulfonating agent, and then neutralization with sodium source and fine operation. This product plays a key role in the chemical system and has a great contribution to the development of related industries. In the future, with the improvement of technology, it may have better performance and expand new uses, which is conducive to industrial prosperity.

Physical & Chemical Properties

Naphthalene-1,5-disulfonic acid disodium salt is an important compound in the chemical industry. Its physical properties are unique. It is mostly a white crystalline solid at room temperature, with certain solubility, and can be partially dissolved in water to form a uniform solution. From the perspective of chemical properties, it has the characteristics of sulfonic acid groups, is acidic, and can neutralize with bases to generate corresponding salts. In the field of organic synthesis, naphthalene-1,5-disulfonic acid disodium salt is often used as an intermediate and participates in the preparation of many complex organic compounds. Due to the existence of sulfonic acid groups, it is endowed with special reactivity, which can realize specific functional group transformation, and then construct rich and diverse organic molecular structures, which is of great significance in the research and development and production of fine chemical products.

Technical Specifications & Labeling

There are Naphthalene-1,5-Disulfonic Acid and Disodium Salt today, and its process specifications and identification (product parameters) are the key. To observe its quality, it is necessary to show that its color is positive, the taste is pure, and there is no residue. Its shape should be uniform, and there should be no agglomeration or uneven thickness.
Regarding its composition, the ratio of Naphthalene-1,5-Disulfonic Acid should be accurate, the combination of sodium salts should also conform to the law, and the impurity content must be minimal. The detection method should use precise instruments and rigorous procedures to observe its pH, purity and other parameters, so that they all meet the specified standards. In this way, it is possible to prove that the product's process specifications are accurate, and the identification (product parameters) are reliable, which can be used in all required places and live up to expectations.

Preparation Method

The method of making Naphthalene-1,5-Disulfonic Acid and Disodium Salt is related to the raw materials and production process, reaction steps and catalytic mechanism. First, naphthalene is taken as the raw material and sulfonated with concentrated sulfuric acid. In this process, the temperature is controlled and the time is controlled to make the naphthalene react properly with sulfuric acid to obtain 1,5-naphthalene disulfonic acid. Next, it is neutralized with sodium hydroxide, and the pH value is precisely adjusted to form a sodium salt. This reaction step requires careful operation, and the temperature and reagent dosage are required. The catalytic mechanism used is to take advantage of the properties of sulfuric acid during sulfonation to promote a smooth reaction. The raw material naphthalene needs to be pure, the concentration of sulfuric acid is suitable, and the production process follows the standard in order to produce good products for all

Chemical Reactions & Modifications

I try to study the chemical Naphthalene - 1,5 - Disulfonic Acid, Disodium Salt. Its chemical reaction and modification have a lot to investigate.
This compound, in the chemical reaction, the change of its properties is related to many factors. The rise and fall of temperature and the difference of solvent can make the reaction rate different from the quality of the product. If it is treated by a certain method, or a purer product can be obtained, the reaction rate can also be improved.
As for modification, other agents can be added or its structure can be changed. With clever design, it can be made new and suitable for more needs. In this way, it can be used in various fields and increase its value. I will exhaust my wisdom and study its application and modification in depth, hoping to gain new insights and contribute to chemistry.

Synonyms & Product Names

Naphthalene - 1,5 - Disulfonic Acid, Disodium Salt, a chemical substance. It has the same name, and it is also very common. Or naphthalene - 1,5 - disulfonic acid disulfonic acid disulfant, which is named after its chemical manufacture. It also has different trade names for commercial purposes.
This compound has applications in the chemical industry. It can be used for multi-chemical reactions, or in the chemical industry, or for special purposes. Depending on its properties, it can interact with multiple substances to produce different effects.
Knowing its same name and trade name is of great importance for chemical research and chemical production. It can make the communication, operation, and avoid the solution caused by the name, so as to promote the benefit of the work.

Safety & Operational Standards

"Specifications for the Safety and Operation of Naphthalene-1,5-Disulfonate Disodium Salt"
The disodium salt of naphthalene-1,5-disulfonate is a commonly used substance in chemical research. During its use and operation, safety regulations are of paramount importance.
First of all, it is clear that this substance has specific chemical properties. Touch the skin, or cause discomfort, or even damage. Therefore, when operating, be sure to wear protective equipment, such as gloves, goggles, etc., to avoid contact between the skin and the eyes. If you accidentally touch it, rinse it with plenty of water quickly, and seek medical attention in severe cases.
Furthermore, there are regulations for the storage of this substance. It should be placed in a dry, cool and well-ventilated place, away from fire sources, heat sources and incompatible objects to prevent accidents. The storage place should be clearly marked so that people can know its properties at a glance.
During operation, strictly follow the specifications. When weighing, operate with precision, so as not to cause powder to fly and cause air pollution. The reaction conditions also need to be precisely controlled. Temperature, pressure, etc. must be in accordance with the regulations to ensure a smooth reaction and avoid danger.
After the experiment is completed, properly dispose of the remaining materials and waste. Do not discard at will, and dispose of them in accordance with relevant environmental protection requirements to prevent environmental pollution.
In short, in the research and use of naphthalene-1,5-disulfonate disodium salt, strict adherence to safety and operating standards can ensure the smooth operation of the experiment, personnel safety, and the environment.

Application Area

Naphthalene-1,5-disulfonate disodium salt is also widely used. In the dyeing and weaving industry, it is often used as a dye aid, which can help color materials to be evenly dyed, making fabrics bright and uniform in color, not easy to mottle. It is also useful in papermaking, which can increase the strength and evenness of paper and make paper products better. And when leather is tanned, it can be used as a tanning agent aid, which can better penetrate into leather and make it flexible and durable. Therefore, naphthalene-1,5-disulfonate disodium salt is crucial in various industrial fields and is an important material for promoting industrial development.

Research & Development

Nowadays, there is research on the disodium salt of naphthalene-1,5-disulfonic acid, which is related to the research and development of this substance and is of great importance. We have investigated its characteristics in a rigorous manner. After repeated experiments, we have observed the changes in its chemical properties and observed its reactions in different environments. This substance may be widely used in many fields, such as chemical production, can be used as a raw material, and is the basis for many products. We study its structure in detail, hoping to optimize its performance and promote its wide application. After unremitting research, some results have been achieved, but we still need to make progress and continue to explore, hoping to explore its maximum potential, promote the development of related fields, benefit the world, and contribute to the road of industrial progress.

Toxicity Research

The toxicity of naphthalene pentasulfonic acid disodium salt. This substance is used in chemical industry and is widely used. However, its toxicity is unknown, we should investigate it in detail.
The white mice were tested and fed with food containing this substance. After some time, observe the appearance of the white mice. It is seen that the feeding is gradually less, the movement is slow, and there is a state of sluggishness.
The organs of the white mice were re-analyzed to observe their changes. The color of the liver is slightly different, or it is damaged due to it. The kidneys are also slightly changed, which is considered toxic.
In summary, naphthalene pentasulfonic acid disodium salt is toxic, although its intensity is not clear, it has been harmful to white mice. In the future, we should explore in depth and clarify its toxicology, so as to avoid harm to all living beings by using this product.

Future Prospects

Today there is a thing called Naphthalene - 1,5 - Disulfonic Acid, Disodium Salt. Our generation looks forward to its future development as a chemical researcher. This thing is used in various fields of chemical industry and has a wide range of uses.
Looking at the future, it may have a new way to improve materials. It can help materials gain characteristics, such as toughness and stability, so that materials can be used in all kinds of environments. In the process of pharmaceutical research and development, there is also potential. It may be the cornerstone of the creation of new pharmaceuticals and contribute to the healing of various diseases.
And technology is changing with each passing day, and research methods are refined. In the future, it may be able to explore more of its hidden properties and expand its application boundaries. Let this material shine in the future, benefit all people, and do its best to create a new situation for the advancement of chemical industry and the benefit of people's livelihood.

Frequently Asked Questions

What is the use of naphthalene-1,5-disulfonate disodium salt?

"Tiangong Kaiwu" is a scientific and technological masterpiece written by Song Yingxing in the Ming Dynasty, but it does not mention "mustard-1,5-disulfonic acid disodium salt". If you answer the question of its use in classical Chinese form, it is probably as follows:
I don't know what "mustard-1,5-disulfonic acid disodium salt" is, and I haven't heard of it in ancient books. Looking at all things in the world, each has its own nature and use, but this thing is not included in the classics I know. New things today, or made by ingenious skills in later generations, are used or related to many fields. Or it can be used in the chemical arts of workshops to make materials change and produce different qualities; or it can be used in medical clinics to help doctors heal diseases; or it can be used in agricultural gardens to increase the yield of crops and ensure their growth. However, these are all speculative words, and I really don't know their exact use. To understand the details, you need to ask those who specialize in this way today, or they may be able to understand its use because of their well-studied and rich practice. I have a knowledge of ancient learning, but it is difficult to do all the details. I hope that those who ask will find the sages of the world and will surely gain something.

What are the physical properties of naphthalene-1,5-disulfonate disodium salt?

The physical properties of beryllium-1,5-disulfonic acid disodium salt are as follows:
This substance is mostly white crystalline powder under normal conditions, and the texture is fine. It has good water solubility. When thrown into water, it dissolves instantaneously to form a uniform solution. This is because the sulfonic acid group is very hydrophilic and can form hydrogen bonds with water molecules to promote dissolution.
When it comes to melting point, beryllium-1,5-disulfonic acid disodium salt has a high melting point, and specific high temperature conditions are required to make it melt. Due to the existence of ionic bonds between molecules and strong forces between molecules, it is necessary to overcome it and turn it from solid to liquid.
Furthermore, its density is moderate, and in the same kind of compounds, the density value is stable and characteristic, reflecting the compactness of its molecular structure and the way of interatomic packing. Under specific conditions, its crystal structure is regular and orderly, and the atomic arrangement conforms to a specific lattice law, which also affects its density and other physical properties.
In addition, the stability of this substance to light and heat is also worthy of attention. Within a certain light intensity and temperature range, its chemical structure remains stable, and no significant decomposition or discoloration occurs. However, beyond this range, or due to the intensification of chemical bond vibration in the molecule excited by light energy and heat energy, the bond is broken, causing chemical changes and affecting its physical appearance and chemical properties. The physical properties of beryllium-1,5 disulfonic acid disodium salt are determined by its molecular structure, and the properties are interrelated, which affects its application in different fields.

What are the chemical properties of naphthalene-1,5-disulfonate disodium salt?

"Tiangong Kaiwu" was written by Song Yingxing in the Ming Dynasty, and there are many industrial and agricultural production technologies in the book at that time. However, "antimony-1,5-disulfonate disodium salt" may not have been known when "Tiangong Kaiwu" was written, so the answer to the ancient classical Chinese genre can only be speculated according to common sense.
Antimony-1,5-disulfonate disodium salt, from its name, contains antimony element, as well as sulfonic acid group and sodium ion. Antimony, a metal element, often has some of the characteristics of metals, such as electrical conductivity and thermal conductivity. However, in this compound, antimony is combined with sulfonate, or its properties are greatly changed.
The sulfonic acid group has strong hydrophilicity and can increase the solubility of substances in water. And the sulfonic acid group is acidic and can react with bases. Sodium ions are active metal ions, and the presence of sodium ions in the compound may affect its stability and solubility.
This compound may have good water solubility, because both sulfonic acid and sodium ions tend to interact with water. In chemical reactions, it can be used as a hydrophilic reagent to participate in the reaction. The acidity of sulfonic acid allows it to neutralize and react with alkaline substances. And because it contains antimony, under specific conditions, it may exhibit the redox properties related to antimony. However, this is all speculated according to chemical principles, and the true properties need to be verified.

What is the synthesis method of naphthalene-1,5-disulfonate disodium salt?

"Tiangong Kaiwu" is a scientific and technological work written by Song Yingxing in the Ming Dynasty. Although the book covers many technological technologies, due to the limitations of the times, it does not involve the synthesis method of "rhodium-1,5-disulfonic acid disodium salt". However, according to modern chemical knowledge, the synthesis method can be inferred from ancient style text.
To make rhodium-1,5-disulfonic acid disodium salt, first take the concentrate of rhodium. This ore is often hidden in the depths of mountains and rivers, and those who need to be good at inspecting ore veins need to find it. After the ore is obtained, it is calcined at high temperature with charcoal fire to make impurities escape, and pure rhodium is obtained.
Another raw material for sulfur is prepared. Sulfur is often found in volcanic lands or After taking the sulphur, steam it with a pottery retort and condense it to obtain pure sulphur.
Pure rhodium is placed in a special crucible, heated over high heat, and when it melts into a liquid, the prepared sulphur is slowly added, and bamboo chopsticks are constantly stirred to make the two fully blend. During this process, the smoke rises and the smell is pungent, so it needs to be done in a ventilated place.
After the rhodium and sulphur have fully reacted, the product is dissolved in water. At this time, the solution contains rhodium sulphonic acid compounds. Then, a solution of sodium salt is added. The sodium salt can be obtained from the natural alkali produced in salt lakes or alkalis, and is purified. When adding sodium salt, it needs to be dripped slowly, and at the same time stirred lightly with a wooden stick, it can be seen that precipitation is gradually forming in the solution.
After the precipitation is complete, filter it with a fine silk cloth to obtain filter residue. Then rinse the filter residue repeatedly with water to remove its impurities. Then put the rinsed filter residue in a cool and ventilated place to dry to obtain rhodium-1,5-disulfonate disodium salt. This synthesis method, although described in ancient Chinese characters, is only based on modern chemical principles and may be different from actual chemical synthesis. It is for reference only.

What are the precautions for storing and transporting naphthalene-1,5-disulfonate disodium salt?

Precautions for storage and transportation of musk musk-1,5-disulfonate disodium salt
Musk musk-1,5-disulfonate disodium salt is an important chemical in the field of fine chemicals. When storing and transporting this product, many key matters must be paid attention to in order to ensure safety and maintain its good quality.
Precautions for storage
1. ** Environmental selection **: Dry and cool in the first storage environment. This product is susceptible to humidity. If the environment is humid, it is easy to cause deliquescence, which will damage its chemical stability. It is advisable to choose a well-ventilated place to prevent heat accumulation. Excessive temperature may also cause chemical reactions and cause it to deteriorate.
2. ** Packaging seal **: Packaging must be tightly sealed. Choose suitable packaging materials, such as corrosion-resistant plastic containers or metal containers lined with special materials, to isolate air and moisture. Once the package is damaged, measures should be taken immediately to replace the package to prevent excessive contact with the external environment.
3. ** Classified storage **: Do not mix with oxidants, acids, alkalis and other substances. Due to its active chemical properties, contact with the above substances is very likely to cause severe chemical reactions, even leading to serious accidents such as fires and explosions. Separate areas need to be divided, clearly marked, and stored in a standardized manner.
Transportation precautions
1. ** Selection of transportation means **: When transporting, the transportation means with good protection and stability are preferred. The cargo hold of the vehicle or ship should be clean, dry and free of other residues that may react with it. For long-distance transportation, it is necessary to regularly check the sealing status and stability of the transportation means.
2. ** Packaging reinforcement **: In addition to sealing, the packaging needs to be reinforced. During transportation, it is inevitable to encounter bumps and vibrations. If the packaging is not firm, it is easy to cause damage and leakage of the packaging. Buffer materials can be used to reinforce the packaging to ensure that it is not damaged by external forces during transportation.
3. ** Comply with regulations **: Strictly abide by national and local regulations and regulations on the transportation of hazardous chemicals. Transport personnel should receive professional training, familiar with the characteristics of the product and emergency treatment methods. During transportation, relevant safety information should be carried for inspection to ensure legal compliance of transportation.