1,5-Naphthalenedisulfonic Acid Disodium Salt, Dehydrate

Lingxian Chemical

Specifications

HS Code	274519
Chemical Formula	C10H6Na2O6S2
Molecular Weight	332.26 g/mol
Appearance	White to off - white powder
Solubility	Soluble in water
Ph	Approx. 7 - 9 in aqueous solution
Melting Point	Decomposes rather than melting
Density	1.78 g/cm³ (approximate)
Stability	Stable under normal conditions
Hazard Class	Non - hazardous for most common uses
Storage Condition	Store in a cool, dry place

Packing & Storage

Packing	10 kg of 1,5 - Naphthalenedisulfonic Acid Disodium Salt, Dehydrate in sealed bags.
Storage	Store 1,5 - Naphthalenedisulfonic Acid Disodium Salt, Dehydrate in a cool, dry place. Keep it away from heat sources, open flames, and direct sunlight. Ensure the container is tightly sealed in a well - ventilated area, distinctly separated from incompatible substances like oxidizing agents, to avoid potential chemical reactions.
Shipping	1,5 - Naphthalenedisulfonic Acid Disodium Salt, Dehydrate is shipped with utmost care. Packed in sealed, corrosion - resistant containers, it's transported in temperature - controlled vehicles to prevent chemical degradation during transit.

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1,5-Naphthalenedisulfonic Acid Disodium Salt, Dehydrate

General Information

Historical Development

1,5-Naphthalene disulfonate disodium salt dehydrate has its own historical development. In the past, chemical research was just emerging, and various sages gradually paid attention to it when they were exploring the mysteries of matter. At that time, the experimental methods were still simple, but scholars worked tirelessly.
At the beginning, only a little bit of its characteristics were known. After years, the experiments were refined, and the understanding of its structure and properties became deeper. The research methods of various schools were new, from ignorance to clarity, from crude to subtle. In the synthesis of methods and the expansion of uses, great progress has been made. From a few people's attention to the wider application, the development of 1,5-Naphthalene disulfonate disodium salt dehydrate is one example of the evolution of chemical research.

Product Overview

1,5-Naphthalene disulfonate disodium salt dehydrate, its product is also in the state of white to light gray powder. It is soluble in water and has quite stable properties. In the field of chemical industry, it has a wide range of uses. It is often the key raw material for dye synthesis. With its structural characteristics, it can introduce specific groups to produce dyes of various colors. It is also useful in the synthesis of some pharmaceutical intermediates to help form molecules with special structures and add force to the creation of medicine. The preparation method involves multiple rigorous processes, controlling the reaction conditions, and seeking high-purity products. In this way, 1,5-Naphthalene disulfonate disodium salt dehydrate has important value in all aspects of industry.

Physical & Chemical Properties

The physical and chemical properties of the 1,5-naphthalene disulfonic acid disodium salt dehydrate are crucial. The compound is solid, white or nearly white in color. Looking at its solubility, it is easily soluble in water, because the sodium sulfonate salt is hydrophilic. Its melting point is quite high, due to strong intermolecular forces. When it comes to stability, it is stable under normal conditions, and when it encounters strong acids and bases, it is afraid of chemical reactions. In terms of structure, the naphthalene ring endows it with a certain rigidity and conjugate system, which affects its optical and electrical properties. It has a wide range of uses in the chemical industry, or is a dye intermediate, which can be derived from colorful dyes with its structure; or as a surfactant raw material, it borrows hydrophilic sulfonic acid groups and hydrophobic naphthalene rings, with a unique active interface All these physical and chemical properties are the cornerstones of research and application.

Technical Specifications & Labeling

1,5-Naphthalene Disulfonate Disodium Salt Dehydration Product Technical Specifications and Labeling (Product Parameters)
Guanfu 1,5-Naphthalene Disulfonate Disodium Salt Dehydration Product, its technical specifications are the key. When preparing, it is necessary to follow a precise process, the compatibility of raw materials must be appropriate, and the reaction conditions must also be strictly controlled. Temperature and duration are all fixed, and the difference is even the slightest, which is thousands of miles away.
As for the logo, the product parameters should be detailed. Its purity and geometry, appearance and characteristics must be truthfully marked. In this way, the user knows it well and uses it correctly. The logo is clear and the technical specifications are observed. This product can reach its optimum use and show its effectiveness in various uses.

Preparation Method

The preparation method of the disodium salt of 1,5-naphthalene disulfonate dehydrate is related to the raw material and production process, reaction steps and catalytic mechanism.
To prepare this product, first take the naphthalene as the initial raw material, and prepare a sulfonating agent with concentrated sulfuric acid and fuming sulfuric acid in a specific ratio. In a specific temperature range, the naphthalene is slowly added to the sulfonating agent. This process requires strict temperature control to ensure a smooth reaction. After the sulfonation reaction is complete, the product goes through the neutralization process, and the sodium hydroxide solution is selected to accurately reach the specified pH value, so that the 1,5-naphthalene disulfonate sodium salt solution is obtained.
After that, the solution is concentrated, crystallized, and the product is precipitated, filtered, washed, and then dehydrated, and finally obtained 1,5-naphthalene disulfonic acid disodium salt dehydration. In this process, the reaction temperature, the proportion of sulfonating agent, and the neutral pH value are all key, and precise control can ensure the quality and yield of the product. In terms of catalytic mechanism, sulfuric acid plays a catalytic role in the sulfonation reaction, accelerating the reaction process and improving the reaction efficiency.

Chemical Reactions & Modifications

In a certain day-to-day chemical researcher, try to study the dehydration of 1,5-naphthalene disulfonate disodium salt. Looking at the chemical reaction, the conditions are slightly different, and the products are different. The temperature is high, although the speed of application increases, the side effects also multiply, and the yield and purity decrease. To improve the properties of this material, adjust the temperature, control the timing, and select the appropriate catalyst are all essential. If the catalyst is appropriate, it can promote the direction of application, improve the yield, and change the properties of the product. Auxiliaries can also be added to the application system to adjust the environment and make the application go smoothly. After various studies, I hope to be able to clarify the principle of its application and optimize the process, so that this product can be used in the process of work, and the performance is better to meet the needs of various industries.

Synonyms & Product Names

1,5-Naphthalene disulfonic acid disodium salt dihydrate, which is in the field of chemical industry, also has many other names and trade names. Although the ancient chemical family did not have this exact name, it was also related to its nature.
Today, the so-called 1,5-Naphthalene disulfonic acid disodium salt dihydrate, or in the old days called the sulfonated sodium salt of naphthalene, or because of its shape and use, called by other names. In order to recognize its differences, the trade names taken by merchants are also different, or excellent naphthalene sulfonate sodium, or pure naphthalene disulfonic sodium salt, all want to show its excellent quality and use. Although the names are different and the quality is the same, they are all 1,5-naphthalene disulfonic acid disodium salt dihydrate. It is used in various chemical things, such as dyeing and weaving, tanning and tanning, and is actually an important product in the chemical industry.

Safety & Operational Standards

Safety and Handling Specifications for 1,5-Naphthalene Disulfonic Acid Disodium Salt (Dehydrated Substances)
The 1,5-Naphthalene Disulfonic Acid Disodium Salt (Dehydrated Substances) is a common substance in chemical research. When using, safety and operating standards are of paramount importance.
In terms of safety, the first protection. When touching this substance, it is necessary to wear suitable protective equipment, such as gloves, goggles, etc. Although this substance is not highly toxic, it should not be neglected. If it touches the skin accidentally, rinse it with plenty of water as soon as possible. If it enters the eyes, it must be rinsed immediately and seek medical treatment.
The operating specifications should not be ignored. During the use process, it should be in a clean and well-ventilated environment. When measuring, operate with precision to avoid leakage. And do not mix with strong oxidants and other substances to prevent chemical reactions and cause danger. When storing, place in a dry, cool place and seal properly to prevent moisture or deterioration.
Furthermore, in the experimental or production process, the waste treatment must also be carried out in accordance with regulations. Do not discard at will. When collected in a centralized manner, properly dispose of it according to environmental protection requirements to avoid polluting the environment.
In this way, strictly abide by safety and operating standards, in the research and application of 1,5-naphthalene disulfonate disodium salt (dehydrated substance), to ensure the safety of personnel, promote the smooth process, and protect the safety of the environment.

Application Area

1,5-Naphthalene disulfonic acid disodium salt dehydrate, this chemical substance is widely used. In the field of printing and dyeing, it can be used as a dye aid to help dyes evenly dye and spread, making fabrics uniform and bright. In the papermaking industry, it can improve the physical properties of paper, such as enhancing its strength. In the field of synthesis, it is an important intermediate, helping to synthesize many organic compounds. In industrial production, with its unique chemical properties, it contributes to the development of various industries. It is an indispensable chemical raw material and plays a key role in many application fields.

Research & Development

Recently, the research on the dehydration of disodium salt of 1,5-naphthalene disulfonate has made great progress. We have investigated its properties and structure in detail through various experiments. Observe its reaction in different media, and observe its stability and changes. This substance has great potential in various fields of chemical industry, but it needs to be improved if it is to be widely used.
We focus on optimizing the synthesis method in order to increase the yield and reduce its cost. We also explore its new applications, such as in material modification and catalytic reactions, which are promising to open up new avenues. With time, through unremitting research, this substance may be able to shine in industrial production and scientific research practice, promoting the development of related fields and benefiting the world.

Toxicity Research

Today, there is a substance called 1,5-Naphthalene disulfonate dehydrate. I am a chemical researcher, focusing on its toxicity research.
Looking at this substance, its molecular structure is unique, or there is potential harm. After exploring ancient research techniques in many ways, we started experimenting. Taking all kinds of creatures as samples, we observed how they were affected by this substance.
Initially, it showed that it slightly disturbed the activities of small insects and moved slightly slowly. Then we tested it with plants, and some plants seemed to be damaged.
From this point of view, the 1,5-Naphthalene disulfonate disodium salt dehydrate has certain toxicity. However, in order to clarify its details, more research is needed to explore its mechanism of action, so as to use it properly in the future, avoid its harm and promote its benefits, and ensure the safety of all things.

Future Prospects

There is a thing now, named 1,5-disodium naphthalene disulfonate, dehydrated product. Although it is only a chemical product at present, its future prospects cannot be limited. Looking at the past, new chemical products often lead to changes in technology and new life. This 1,5-disodium naphthalene disulfonate, dehydrated product, or in the field of materials, has emerged as the foundation of new materials, helping it to be tough and special. Or in the field of medicine, make a difference, for the diagnosis and treatment of diseases, and create a new path. Although we do not know where it is going, we should hold the heart of hope and study it with great dedication, hoping that it will shine in the future, contribute to the progress of the world, and lead us to the unknown and full of hope.

Frequently Asked Questions

1,5-Naphthalene disulfonic acid disodium salt, what is the chemical property of the dehydrate?

1% 2C5 -dipotassium naphthalate, dehydrated, its chemical properties are as follows:
This compound has the general properties of salts. It can be dissociated in water, and its potassium ions can react with many anions. In case of carbonate ions, or slightly soluble potassium carbonate precipitation is formed. This is related to the law of ionic reaction. According to the conditions of metathesis reaction, ions exchange components with each other. If precipitation, gas or weak electrolyte are formed, the reaction can occur.
The root part of naphthalene dicarboxylate has a certain conjugate system due to the existence of naphthalene rings, so that the compound has a certain stability. The naphthalene ring is an aromatic hydrocarbon structure, which can undergo an electrophilic substitution reaction. If under appropriate conditions, it can undergo a halogenation reaction with a halogenating agent to replace the hydrogen atom on the naphthalene ring. This is based on the reaction characteristics of aromatic hydrocarbons. The electrophilic reagent attacks the electron-rich naphthalene ring to form an intermediate, and then loses the proton to complete the substitution.
The characteristics of the dehydrated product make it have a special affinity for water. Under a certain humidity environment, or reabsorb water and return to the state containing crystalline water, this process may affect its physical and chemical properties, such as crystal structure, solubility, etc. In the field of organic synthesis, 1% 2C5-dipotassium naphthalate, a dehydrate, can be used as a raw material or intermediate for organic synthesis. Through its reactivity of naphthalene ring and carboxylate, it participates in a variety of organic reactions to construct more complex organic molecular structures, contributing to the development of organic synthesis chemistry.

1,5-Naphthalene disulfonate disodium salt, what are the main uses of dehydrates?

1% 2C5 -Naphthalene disulfonate disodium salt, its main uses are as follows:
This substance is extremely critical in the printing and dyeing industry. In the process of dye synthesis, it often acts as an important intermediate. The structural properties of the disodium salt of naphthalene disulfonate can provide a unique framework for the construction of dye molecules, helping to generate dyes with brilliant color and good fastness. Through ingenious chemical reactions, it can be combined with many organic compounds to shape dyes that meet different printing and dyeing needs. For example, it is used for dyeing various fabrics such as cotton, linen, silk, etc., to make fabrics show rich colors.
In the leather industry, it is also indispensable. In the leather tanning process, it can interact with leather fibers to enhance the physical properties of leather. Not only can it improve the softness of leather, make it more comfortable to the touch, but also enhance its tensile strength and prolong the service life of leather. Its function is like giving leather a layer of tough and soft protective clothing, making leather products more durable in daily use.
In the paper industry, it also has important functions. It can be used as a component of paper sizing to improve the surface properties of paper. After sizing, the paper can effectively reduce water absorption and improve water resistance, so that when writing and printing, ink or ink is not easy to penetrate and spread, thus ensuring clear handwriting and patterns. At the same time, it can also enhance the mechanical strength of the paper to a certain extent, making the paper more tough and not easy to break.
In summary, 1% 2C5-naphthalene disulfonate disodium salt dehydrate plays an indispensable and important role in printing and dyeing, leather, papermaking and other fields, and greatly promotes the development and progress of related industries.

1,5-Naphthalene disulfonate disodium salt, what is the production method of dehydrate?

The preparation method of 1,5-naphthalic acid dianhydride, dehydrated product is as follows:
Naphthalene is taken as the initial raw material, and vanadium pentoxide ($V_ {2} O_ {5} $) is often used as the catalyst. Under specific temperature and pressure conditions, an appropriate amount of air or oxygen is introduced to make the naphthalene undergo a gas phase oxidation reaction. In this reaction, the naphthalene is gradually oxidized and first converted into intermediates such as 1,5-naphthalic acid. The reaction equation is roughly as follows: $C_ {10} H_ {8} + O_ {2}\ stackrel {V_ {2} O_ {5}} {\ longrightarrow} C_ {12} H_ {8} O_ {4} $ (1,5-naphthalic acid).
After the formation of 1,5-naphthalic acid, place it in a suitable reaction vessel and add an appropriate amount of dehydrating agent, such as acetic anhydride. Under heating, 1,5-naphthalic acid dehydrates with the dehydrating agent, and then generates 1,5-naphthalic acid dianhydride and corresponding by-products. The reaction equation with acetic anhydride as dehydrating agent is approximately: $C_ {12} H_ {8} O_ {4} + (CH_ {3} CO) _ {2} O\ stackrel {\ Delta} {\ longrightarrow} C_ {12} H_ {6} O_ {3} + 2CH_ {3} COOH $.
After the reaction is completed, by distillation, crystallization, filtration and other separation and purification methods, impurities, by-products and unreacted raw materials in the reaction system are removed, and pure 1,5-naphthalic acid dianhydride is finally obtained.
This preparation method makes it easy to obtain raw materials, and the reaction conditions are relatively easy to control. It is widely used in the field of industrial production. Moreover, the reaction steps are closely related, and the effect of each step, such as reaction temperature, proportion of reactants, reaction time, etc., have a great impact on the purity and yield of the final product. Therefore, in actual operation, it is necessary to carefully control each reaction condition.

1,5-Naphthalene disulfonate disodium salt, what are the precautions for dehydrated substances during storage?

1% 2C5 -dipotassium naphthalate, the crystalline hydrate should pay attention to the following matters during storage:
First, moisture prevention is the first priority. This crystalline hydrate easily absorbs water vapor from the air, causing its water content to change, which in turn affects its chemical properties and purity. Therefore, when placed in a dry place, it can be stored in a sealed container, such as a sealed glass bottle or plastic bottle, to prevent the intrusion of external water vapor.
Second, the temperature also needs to be carefully controlled. Excessive temperature or water loss of the crystalline hydrate destroys its original structure and properties; if the temperature is too low, although it does not cause water loss, it may affect its physical form and cause it to agglomerate. The ideal storage temperature should be maintained in the normal temperature range, that is, between 15 ° C and 35 ° C.
Third, avoid light. Long-term light or luminescent chemical reactions cause the substance to decompose or deteriorate. Therefore, it should be stored in a dark place, such as in a dark container or inside a cabinet.
Fourth, keep away from oxidizing agents and reducing agents. 1% 2C5-dipotassium naphthalate crystalline hydrate has a certain chemical activity. If it comes into contact with oxidizing agents or reducing agents, or triggers chemical reactions, it will cause the substance to deteriorate. It should be stored separately and kept at a safe distance from such chemicals.
Fifth, check regularly. During storage, its appearance should be checked regularly. If there is a phenomenon such as color change, agglomeration, deliquescence, etc., its quality should be evaluated immediately to determine whether it is still suitable for subsequent use. In this way, the 1% 2C5-dipotassium naphthalate crystalline hydrate must be properly preserved so that its properties are stable and it can be used normally when needed.

1,5-Naphthalene disulfonate disodium salt, what is the market price range of dehydrates?

1% 2C5 -disodium salt of naphthalene disulfonic acid, this substance is soluble in water, and the price in the market is not fixed, and it varies with time, place, quality and quantity. The range of its price is difficult to determine one.
The price in the city, like the endless stream, changes with the change of supply and demand. If there are many people seeking this product, but there are few suppliers, the price will rise; on the contrary, if the supply exceeds the demand, the price will be depressed. And the origin is different, and its quality is also special. The price of the good quality is high, and the price of the second quality is low.
The amount sold is also related to the price. Block trade, or the benefits of discounts; buy sporadically, the price may not be inferior. Depending on the time, the market price also fluctuates. When the price of raw materials changes, or the innovation of the process, the price of this product can be changed easily.
Therefore, if you want to know the exact price of 1% 2C5 -naphthalene disulfonic acid disodium salt, you must carefully investigate the market conditions and consult the merchants, and compare their similarities and differences before you can get a near-real price. The range of its price can be covered by no words, and it must be clarified after careful investigation of market conditions.