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8-Hydroxynaphthalene-1,6-Disulphonic Acid

Specifications

HS Code	975899
Chemical Formula	C10H8O8S2
Molar Mass	320.3 g/mol
Appearance	Solid
Solubility In Water	Soluble
Melting Point	Decomposes
Acidity	Acidic
Color	White to off - white
Odor	Odorless
Stability	Stable under normal conditions

As an accredited 8-Hydroxynaphthalene-1,6-Disulphonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	500g of 8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid in sealed chemical - grade container.
Storage	Store "8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid" in a cool, dry, well - ventilated area. Keep it away from heat sources and ignition sources to prevent decomposition or potential fire hazards. Store in a tightly - sealed container to avoid moisture absorption and contamination, which could affect its chemical properties.
Shipping	8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid is shipped in containers suitable for handling chemicals. Adequate packaging ensures stability during transit, following all safety regulations for hazardous chemical shipping.

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8-Hydroxynaphthalene-1,6-Disulphonic Acid

General Information

Historical Development

I heard that there was a chemical product in the past, called 8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid. Its beginning, or hidden in the end, is unknown to all the sages. As the years drag on, craftsmen and researchers have tried their best to explore its properties and seek its changes.
At the beginning, the preparation method was not good, the yield was sparse, and the use was rare. However, everyone was lax, and they tried it again and again. From the gradual improvement of the method, its production increased, and it was widely used in the world.
Looking at its history, from the beginning of its germination to the gradual development of the climate, it all depends on everyone's continuous research. The past was difficult, but now it has become a smooth road, and the evolution of this chemical industry has also added brilliance to the chemical industry. Future generations should take into account this history of progress and promote new achievements.

Product Overview

8-Hydroxynaphthalene-1,6-disulfonic acid, this is a unique chemical substance. Its properties have specific characteristics, appearance or crystalline shape of a certain color, and it appears stable under specific conditions.
In terms of its properties, 8-hydroxynaphthalene-1,6-disulfonic acid has a certain solubility in water or certain solvents, which can vary due to factors such as temperature and solvent type. Its chemical activity is also special, and hydroxyl groups and sulfonic acid groups give it the possibility to participate in many chemical reactions.
In terms of application, 8-hydroxy naphthalene-1,6-disulfonic acid can be used as an important intermediate in the dye industry, converted into colorful dyes through chemical reactions. In some scientific research fields, or because of its special chemical structure, it can provide assistance for the study of specific reaction mechanisms and material properties. All of this shows its important value in the field of chemistry.

Physical & Chemical Properties

8-Hydroxynaphthalene-1,6-disulfonic acid, its physical and chemical properties can be investigated. Looking at its shape, under normal conditions, it may be a crystalline body, with a white color and a translucent luster, like finely crushed jade. Its taste, or a slightly acidic rhyme, should not be tasted rashly.
In terms of its solubility, it is quite soluble in water. In water, ions are gradually separated and can form a conductive state. As for the melting point, by various measures, the melting point is set at a certain temperature range. At this temperature, the solid state gradually melts and turns into a flowing liquid; the boiling point is another, to a specific temperature, it liquefies into gas and rises into the air.
and its chemical activity is also significant. When exposed to alkali, it can neutralize and form salts and water. In its structure, hydroxyl groups and sulfonic acid groups interact with each other, and in many reactions, each has its own characteristics, participating in the change of compound and decomposition, adding many variables and possibilities to the research of chemistry.

Technical Specifications & Labeling

There are 8-hydroxynaphthalene-1,6-disulfonic acid today, and its process specifications and identification (commodity parameters) are the key. Looking at its shape, the color is pure and uniform, and there is no variegation or agglomeration. Its quality, the content must reach 90% or more, and impurities must be investigated. To measure its properties, at room temperature, it should be stable but not melted, soluble in water, and the solution is clear and turbid. In the logo, the name is justifiable, and the ingredients, content, batch number, and date are clearly identifiable and unquestionable. This is the key to the process specifications and labels, and it must be strictly observed to ensure its quality before it can be used.

Preparation Method

The preparation method of 8-hydroxy naphthalene-1,6-disulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism.
To prepare this acid, the first raw materials are prepared, starting with naphthalene, supplemented by sulfuric acid, fuming sulfuric acid, etc. The first step is sulfonation, the naphthalene is co-located with sulfuric acid and fuming sulfuric acid in a reactor, and the temperature is controlled to more than one hundred and twenty degrees. The naphthalene is sulfonated, and the raw naphthalene sulfonic acid isomer.
The second step is heated to about one hundred and sixty degrees, and the isomer is converted to give 1,6-naphthalene disulfonic acid. After oxidation with hydrogen peroxide and a catalyst under specific conditions, the hydroxyl group is introduced, and In the
reaction, the concentration of sulfuric acid, temperature, and reaction time are all critical. Control the concentration of sulfuric acid at an appropriate level to maintain sulfonation moderately; precisely control the temperature to promote an orderly reaction; strictly control the duration to avoid overreaction. In the catalytic mechanism, a specific catalyst increases the reaction rate, decreases the activation energy, and preserves the yield and purity. In this way, the preparation of this acid can be achieved.

Chemical Reactions & Modifications

The chemical reaction and modification of 8-hydroxynaphthalene-1,6-disulfonic acid is the main point of concern to our chemical researchers. The mechanism of its reaction is like a faint candle, which needs to be carefully explored. Many studies in the past have been dedicated to analyzing its reaction path under various conditions, in order to obtain accurate rules.
When it meets with specific reagents, or under unique temperatures and pressures, 8-hydroxynaphthalene-1,6-disulfonic acid often shows a different reaction situation. The hydroxyl and sulfonic acid groups in its structure are both active check points and can cause various chemical changes. To modify this material, we need to start from its structural essence, and use ingenious chemical means, or add groups, or adjust bond energy, to achieve the purpose of optimizing performance. In this way, we can continue to explore the chemical path and find more hidden wonders of 8-hydroxynaphthalene-1,6-disulfonic acid.

Synonyms & Product Names

8-Hydroxynaphthalene-1,6-disulfonic acid This compound, its synonyms and trade names have been discussed since ancient times. Although the name of the chemical substance represents one thing, the title is often changeable. This 8-hydroxynaphthalene-1,6-disulfonic acid, or in different classics and parties, has different names. Its synonyms are derived from its chemical properties and structural characteristics, aiming to accurately describe its essence. And trade names are mostly born because of activity marketing and use. In the past, various sages have distinguished the names of chemical substances very well, knowing that their names are different but the same is true. Nowadays, 8-hydroxynaphthalene-1,6-disulfonic acid should also follow this path to clarify the relationship between its synonyms and trade names, so as to obtain its full picture. During research and application, it will not be confused, so as to achieve scientific rigor and smooth business.

Safety & Operational Standards

8-Hydroxynaphthalene-1,6-Disulfonic Acid Safety and Operation Specifications
8-Hydroxynaphthalene-1,6-Disulfonic Acid, and chemical products. The process of its preparation, use and storage, when following strict safety and operation specifications, to ensure all things go smoothly, human safety and safety.
When preparing, the ratio of all raw materials must be accurate. The reaction conditions, such as temperature, pressure, reaction time, etc., need to be carefully regulated. Slightly poor pool, or cause the reaction to go out of control and cause unexpected changes.
When using, the operator should be in front of suitable protective equipment. Protective clothing can resist its erosion on the body, goggles can protect the eyes from damage, and gloves should avoid direct contact with the skin. And the operation is suitable for a well-ventilated place. If it is in a closed place, its volatile gas may cause human discomfort and even endanger health.
When storing, there are also many precautions. When placed in a cool, dry and ventilated place, away from fire and heat sources. Because of its certain chemical activity, improper storage may lead to the risk of combustion and explosion. Do not mix with things of different chemical properties to prevent them from interacting with each other and risk accidents.
During handling, the action should be gentle to avoid damage to its packaging. If the packaging is damaged and the product overflows, it needs to be properly disposed of immediately. Evacuate the surrounding people first, then cover the adsorption with suitable materials, and dispose of the waste according to the specified process. It must not be discarded at will to avoid polluting the environment.
All operations involving 8-hydroxynaphthalene-1,6-disulfonic acid should be carried out in accordance with safety and regulations, so as to ensure the orderly production, the well-being of personnel, and the integrity of the environment.

Application Area

8-Hydroxynaphthalene-1,6-disulfonic acid has a wide range of applications. In the dyeing and weaving industry, it can be used as a dye aid to help dyes level out, with a brighter and firmer color. In chemical analysis, it can be used as a reagent for qualitative and quantitative analysis of certain metal ions, because it can complex with specific metal ions to form complexes with unique properties, which is helpful for accurate determination. In the field of pharmaceutical research and development, it may be a lead compound. After modification, it is expected to become a drug with specific pharmacological activity. In the field of materials science, it can participate in the synthesis of functional materials, such as the preparation of materials with special adsorption or optical properties. In conclusion, 8-hydroxynaphthalene-1,6-disulfonic acid has important applications in many fields, with promising prospects.

Research & Development

The rise of modern chemistry is increasingly profound in the study of matter. I focus on the study of 8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid, which seems ordinary, but the mysteries are infinite.
I begin with the study of its properties, and observe the signs of its reaction in detail. Under various conditions, observe its changing state. Or warm, or add other things, all want to understand its suitability. After months of study, I gradually got clues.
Then find a way to prepare it. Strive to simplify and control the complexity, so that it can be refined. Make this preparation technique feasible in the room of order, and can also be used in the workshop. This is not only for academic progress, but also for the prosperity of industry.
I am well aware that the road of research and exploration is long, but I am eager. May I use my strength to make the research and progress of 8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid known to the world, for the chemical industry, add bricks and tiles, promote its prosperity, and benefit all people.

Toxicity Research

There are chemical substances today, named 8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid. As a chemical researcher, I focus on its toxicity research.
In various experiments, the toxicity of this substance is revealed, which is related to the state of life. Small animals touch it, or have abnormal behavior, or even endanger life. The appearance of its toxicity is different. Observing its physiological changes and observing the differences in its behavior are all important for research.
The study of toxicity is not only about the current image, but also about the long-term impact. If this substance enters the environment, it may be a disaster to the ecology. Soil and water sources are contaminated by it, and the biological chain may be impacted. Therefore, it is urgent to investigate its toxicity and understand the depth and breadth of its harm. Hope to be able to take the research findings as the basis for protection and governance, to protect the world from its harm and protect the safety of nature.

Future Prospects

Husband 8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid, it is also a thing to transform. Our research, there is nothing to be hoped for in the future.
The properties of this compound are not special, or it can be used in new research, to cure diseases and save the suffering of life. Or it can be used in the field of materials to expose the corners, making the utensils more beautiful and convenient to use.
We also think that it may be able to protect the help, transform the water and soil, and create the beauty of nature. There may be problems in the way ahead, but those who do research must be determined to move forward and study it. In the hope that its macro effect will not be developed, and it will be used by the world to benefit the people.

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Frequently Asked Questions

As a leading 8-Hydroxynaphthalene-1,6-Disulphonic Acid supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

8 - Hydroxynaphthalene - 1,6 - Disulphonic Acid?

8-Hydroxynaphthalene-1,6-disulfonic acid is one of the organic compounds. Its molecular structure contains a naphthalene ring, with a hydroxyl group at the 8th position and a sulfonic acid group at the 1st and 6th positions. This substance is widely used in various fields of chemical industry.
In the dye industry, it is often an important intermediate. By reacting with different reagents, a variety of brightly colored dyes can be prepared. Due to its structural properties, the cap imparts good affinity and stability to the dye, which can make the dye firmly adhere to the fabric and other substrates, and the color is long-lasting and bright.
In the field of pharmaceutical chemistry, 8-hydroxynaphthalene-1,6-disulfonic acid also has potential value. Its unique chemical structure may interact with specific targets in vivo, providing the possibility for the development of new drugs. Or its structure can be modified to explore its biological activity in order to find lead compounds with therapeutic efficacy for specific diseases.
Furthermore, in the field of materials science, this compound may be able to participate in the preparation of functional materials. For example, it may be used as an additive to improve some properties of materials, such as solubility, stability or optical properties. Its sulfonic acid groups and hydroxyl groups can interact with other materials to build special molecular assemblies or composites to meet the requirements of different application scenarios.
Preparation of 8-hydroxynaphthalene-1,6-disulfonic acid often requires a multi-step organic synthesis reaction. Using naphthalene as the starting material, after a series of reaction steps such as sulfonation and hydroxylation, and fine regulation of reaction conditions, such as temperature, reagent ratio, reaction time, etc., this product can be obtained. However, there may be many challenges in the preparation process, such as the control of reaction selectivity and the inhibition of side reactions, all of which require fine operation and optimization of the process.

8 - Hydroxynaphthalene - 1,6 - What are the main uses of Disulphonic Acids?

8-Hydroxynaphthalene-1,6-disulfonic acid has a wide range of uses. In the dye industry, this is a key intermediate. It can be used to make many dyes with bright colors and good fastness, so that the fabric printing and dyeing colors are gorgeous and lasting. For example, when synthesizing azo dyes, their structural properties enable them to react ingeniously with other compounds to construct a complex and stable hair color system. The dyed product is not easy to fade under light and washing.
In the field of medicine, it also has certain value. Because of its unique chemical properties, it may participate in the drug synthesis process, serve as a carrier of active ingredients, or directly affect the activity and stability of drug molecules.
In analytical chemistry, 8-hydroxynaphthalene-1,6-disulfonic acid can be used as an analytical reagent. By virtue of its sensitive reaction with specific metal ions, complexes with unique colors or properties are generated to achieve qualitative and quantitative analysis of metal ions, enabling researchers to accurately determine the content of metal components in samples.
In addition, this compound is also indispensable in the manufacture of some fine chemical products. Or used in the synthesis of surfactants to improve the surface activity and emulsification properties of products; or in the preparation of some special materials, it plays its unique chemical role to optimize the properties of materials and meet the specific needs of different industrial scenarios.

8 - Hydroxynaphthalene - 1,6 - What are the physical properties of Disulphonic Acids?

8-Hydroxynaphthalene-1,6-disulfonic acid is one of the organic compounds. It has unique physical properties and is widely used in various fields of chemical industry.
Looking at its properties, under normal conditions, 8-hydroxynaphthalene-1,6-disulfonic acid is mostly in the state of white to light yellow crystalline powder, which is easy to store and transport, and is also conducive to subsequent processing and use.
When it comes to solubility, the substance is easily soluble in water and exhibits good solubility in polar solvents. This property makes it effective in chemical reactions or industrial processes in many aqueous solution systems, and can effectively disperse and participate in reactions, laying the foundation for its application.
As for the melting point, the melting point of 8-hydroxynaphthalene-1,6-disulfonic acid is relatively high, and this physical parameter is of great significance to its production and processing. The higher melting point indicates that it has good thermal stability, can maintain its own structure and property stability within a certain temperature range, and can withstand a specific degree of heat treatment without easy decomposition or phase transformation, ensuring the smooth production process.
Its density is also one of the important physical properties. The appropriate density enables the substance to participate in the reaction of the mixed system or prepare composites, and can reasonably distribute and interact with other substances, which contributes greatly to the optimization of product performance.
In addition, the hygroscopicity of 8-hydroxynaphthalene-1,6-disulfonic acid cannot be ignored. Because of its certain hygroscopicity, it is necessary to pay attention to environmental humidity control during storage to prevent its own properties from being changed or its chemical activity from being affected due to moisture absorption, and to ensure product quality and stability.

8 - Hydroxynaphthalene - 1,6 - What are the chemical properties of Disulphonic Acids?

8-Hydroxynaphthalene-1,6-disulfonic acid is an organic compound. It is acidic. Because it contains sulfonic acid groups (-SO-H) and hydroxyl groups (-OH), it can dissociate hydrogen ions in water, exhibit acidic characteristics, and can neutralize with bases to generate corresponding salts and water.
This compound has good solubility. The sulfonic acid group is a strong hydrophilic group, resulting in good solubility in water, soluble in hot water and some polar organic solvents. Its chemical structure also gives rich reactivity. Hydroxyl groups can participate in reactions such as esterification and etherification, and sulfonic acid groups can be substituted. In the field of organic synthesis, it is often used as an intermediate to prepare a variety of functional compounds, such as synthetic dyes, drugs, etc. In addition, because its structure contains a conjugated system or has certain optical properties, it may have potential applications in optical materials.
8-hydroxynaphthalene-1,6-disulfonic acid plays an important role in many fields of chemistry due to its unique chemical properties, and is an important substance for organic synthesis and materials science research.

8 - Hydroxynaphthalene - 1,6 - What are the production methods of Disulphonic Acid?

In the past, there were various ways to prepare 8-hydroxy naphthalene-1,6-disulfonic acid. One of the methods is to start with naphthalene and make it through sulfonation, nitration, reduction and hydroxylation.
First take the naphthalene, place it in an appropriate reactor, add concentrated sulfuric acid, heat it to a suitable temperature, and carry out a sulfonation reaction. This step aims to introduce a sulfonic acid group into the naphthalene ring, and control the reaction conditions so that the sulfonic acid group is mainly positioned at the 1,6-position. After sulfonation, naphthalene-1,6-disulfonic acid is obtained.
Next, the naphthalene-1,6-disulfonic acid is mixed with the mixed acid of concentrated nitric acid and concentrated sulfuric acid, and the nitration reaction is carried out at a specific temperature. At this time, the nitro group is introduced into the naphthalene ring to form the nitro-containing naphthalene-1,6-disulfonic acid derivative.
Then, the nitro-containing product is reduced with an appropriate reducing agent, such as a combination of iron powder and hydrochloric acid, or sodium sulfide, etc., so that the nitro group is converted into an amino group to obtain the corresponding amino naphthalene-1,6-disulfonic acid.
The last step is hydroxylation. Using aminonaphthalene-1,6-disulfonic acid as a substrate, it reacts with sodium nitrite and sulfuric acid at low temperature to form a diazonium salt, and then hydrolyzes to convert the diazonium group into a hydroxyl group, and finally obtains 8-hydroxynaphthalene-1,6-disulfonic acid.
Other methods, or starting from a naphthalene derivative with a specific substituent group, can also be prepared through different reaction steps. These methods depend on the precise regulation of the reaction conditions of each step, such as temperature, reactant ratio, reaction time, etc., to obtain a high-purity 8-hydroxynaphthalene-1,6-disulfonic acid product.