8-Hydroxynaphthalene-1,6-Disulfonic Acid

Lingxian Chemical

Specifications

HS Code	470027
Chemical Formula	C10H8O8S2
Molecular Weight	320.30
Appearance	Solid
Solubility In Water	Soluble
Pka Values	Multiple acidic pKa values due to sulfonic acid groups
Odor	Odorless or very faint odor
Stability	Stable under normal conditions but may react with strong oxidizing agents
Acidity	Strongly acidic due to sulfonic acid groups

Packing & Storage

Packing	500g of 8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid in a sealed chemical - grade container.
Storage	8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid should be stored in a cool, dry place, away from direct sunlight and heat sources. Keep it in a well - sealed container to prevent moisture absorption and contact with air, which could potentially cause degradation. Store separately from incompatible substances like strong oxidizing agents and bases to avoid chemical reactions.
Shipping	8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid is shipped in well - sealed containers, compliant with chemical transport regulations. Adequate precautions are taken to prevent spillage, ensuring safe transit to destination.

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8-Hydroxynaphthalene-1,6-Disulfonic Acid

General Information

Historical Development

8-Hydroxynaphthalene-1,6-disulfonic acid is also a chemical substance. Although there is no detailed history to investigate its origin, looking at the research of chemistry in the past, it can be seen that it is difficult to explore.
In the past, chemists used their expertise to distinguish substances and study nature. Among the complex compounds, pay attention to this 8-hydroxynaphthalene-1,6-disulfonic acid. At first, I only knew a little about its one or two characteristics, and it was not easy to study it in depth.
After several generations of researchers, after countless experiments, or adjusting the temperature of its reaction, or changing the matching of its reagents, they worked tirelessly. This compound is gradually used in many fields, such as the chemical industry and scientific research, and is valued by the world. Its development process depends on the perseverance and wisdom of researchers.

Product Overview

8-Hydroxynaphthalene-1,6-disulfonic acid is an important substance in chemical research. Its shape may be powder, color may be white to light yellow. It has unique chemical properties and is of great significance in many chemical reactions and industrial processes.
The structure of this compound is derived from naphthalene rings, with hydroxyl groups at 8 positions and sulfonic acid groups at 1 and 6 positions. The unique structure gives it special reactivity. In the field of dye manufacturing, it is often used as a key intermediate to help generate colorful and stable dyes. In some catalytic reactions, it also shows potential catalytic properties.
In terms of its physical properties, its solubility may vary from solvent to solvent, and it is soluble in specific organic solvents, which facilitates related research and applications. Chemical researchers have continuously explored more properties and application possibilities through repeated experiments and analysis, and strive to expand the use of this compound in different fields and promote the progress and development of chemical science.

Physical & Chemical Properties

8-Hydroxynaphthalene-1,6-disulfonic acid, its physical and chemical properties can be particularly investigated. This compound, in its shape, is white and shiny at room temperature, or in the form of crystals, with a fine and noticeable color. Its solubility, in water, is soluble and can form a clear liquid, due to the hydrophilicity of the sulfonic acid groups in the molecular structure. Regarding the melting point, a precise value can be obtained by precise measurement. This is its inherent physical property, which can be used to determine its purity. In terms of chemical activity, both hydroxyl groups and sulfonic acid groups are reactive and can react with a variety of reagents, such as alkalis, which can form corresponding salts. The mechanism of the reaction is based on the interaction of acids and bases, the exchange of ions, and the combination of ions. This results in a variety of chemical changes, which are potentially useful in many fields such as chemical synthesis and material preparation.

Technical Specifications & Labeling

8-Hydroxynaphthalene-1,6-disulfonic acid is a chemical that we have dedicated ourselves to researching. Its process specifications and labels (commodity parameters) are crucial to the quality and application of this product.
The process specifications, from the selection of raw materials, must be pure and free of impurities, meeting specific standards. The reaction process requires control of temperature, pressure and time, such as the subtlety of the heat, the difference in the millimeter, or the difference in the product. In the meantime, the speed of stirring and the ratio of the reactants are all fixed, and the best can be obtained according to the precise method.
logo (commodity parameters) cannot be ignored. The mark of purity indicates the purity of its quality; the color and state of its properties show an intuitive image; the parameters such as solubility and melting point provide exact guidelines for the application. According to this process specification and identification (commodity parameters), the good products of 8-hydroxynaphthalene-1,6-disulfonic acid can be obtained to meet the needs of all parties.

Preparation Method

Preparation method of 8-hydroxynaphthalene-1,6-disulfonic acid (raw materials and production process, reaction steps, catalytic mechanism)
To prepare 8-hydroxynaphthalene-1,6-disulfonic acid, the first raw material is selected. When naphthalene is used as the starting material and sulfonated, the sulfonic acid group can be introduced. In a specific reactor, concentrated sulfuric acid is used as the sulfonation reagent, and naphthalene is reacted with it at a suitable temperature. After several times, the intermediate product can be obtained.
The reaction steps are rigorous, and temperature control is particularly critical. At the beginning, slowly heat up to a certain range, so that the naphthalene can fully contact and react with sulfuric acid. This process needs to be stirred evenly to ensure a uniform reaction When the reaction is moderate, cool down and add an appropriate amount of water to promote the precipitation of the product.
In the catalytic mechanism, sulfuric acid is not only a sulfonation reagent, but also a catalyst. Its protonated naphthalene ring improves the reaction activity and accelerates the introduction of sulfonic acid groups. After subsequent separation and purification processes, pure 8-hydroxynaphthalene-1,6-disulfonic acid products can be obtained. This product can be used in many chemical fields and is an important raw material for industrial production.

Chemical Reactions & Modifications

Guanfu 8-hydroxynaphthalene-1,6-disulfonic acid, in the chemical reaction, its performance and change, is really the weight of our research. Its chemical response, or depending on the conditions, or because of the catalyst. Past experience, see its combination with various substances, there is a rapid response or slow occurrence.
As for the change of its properties, temperature and pressure are the main factors. Raising temperature often promotes the rate of reaction, and the molecules are very active. The change of pressure also has an impact, which is related to the direction of the reaction. And the nature of the solvent also affects its response. In polar solvents, its performance is different from that of non-polar ones.
We should carefully investigate the mechanism of its response, understand the reasons for its change, and hope to make good use of it, so as to add to the progress of chemistry and industry, and explore the secrets and secrets to understand the mysteries.

Synonyms & Product Names

8-Hydroxynaphthalene-1,6-disulfonic acid, its synonymous name and the name of the commodity, are quite important in the study of chemistry. In the past, wise men studied this substance and studied its properties in detail, and many of them were recorded in the classics.
8-Hydroxynaphthalene-1,6-disulfonic acid, also known as another name, or called according to its structural characteristics, or because of past names. These synonymous names are all to understand their essence, so as to help researchers communicate with each other, without ambiguity. As for the name of the commodity, it is used for easy identification and trading when it is entered into the market. Either take a concise and easy-to-remember phrase, or contain a special meaning, aiming to make this chemical substance known to everyone in the market.
Therefore, the name of the synonym and the name of the commodity, although the way of calling is different, are both related to the dissemination and application of 8-hydroxynaphthalene-1,6-disulfonic acid, which is of great significance to the exploration of chemistry and the development of industry.

Safety & Operational Standards

8-Hydroxynaphthalene-1,6-disulfonic acid is a chemical product we have carefully studied. During the development and production of this product, safety and operating standards are of paramount importance, which is related to our lives and the smooth production.
Bear the brunt, and safety protection must not be ignored. Anyone involved in the operation of this product needs to wear complete protective equipment. Protective clothing and protective gloves must be tough in texture to effectively resist possible erosion caused by the product; anti-goggles have clear light transmission, but can tightly block product droplets from splashing into the eyes; gas masks are even more crucial to ensure that no harmful gases are inhaled during breathing and protect the lungs from being invisible.
Furthermore, the environment of the operating site must also be strictly controlled. When the ventilation system is strong and powerful, it can quickly expel harmful gases that may accumulate, so that the air can be kept fresh and circulating at all times. The lighting facilities should be bright and stable, so that the operator can clearly distinguish everything around, and avoid misoperation due to unclear vision.
The operation process also has strict regulations. When taking the product, the action must be precise and gentle, and it must be operated according to the established dose and method. Do not act recklessly. When mixing and blending, the sequence and stirring speed are fixed, and a slight difference may cause a violent reaction.
The storage process should also not be slack. The product should be placed in a cool and dry place, away from fire and heat sources, to prevent the temperature from causing the product to change its properties or even cause danger. Items of different natures must not be mixed with it to avoid interaction and disaster.
When disposing of waste, it is also necessary to follow specific specifications. It must not be discarded at will, so as not to pollute the environment and cause endless harm. It must be properly handled to make it harmless before it can be disposed of in accordance with regulations.
All in all, the safety and operation specifications of 8-hydroxynaphthalene-1,6-disulfonic acid need to be kept in mind and practiced carefully by our chemical researchers to achieve safe and orderly production and steady progress in research and development.

Application Area

8-Hydroxynaphthalene-1,6-disulfonic acid has a wide range of application fields. In the dyeing and weaving industry, it can be used as a dye intermediate to help the dye color be more vivid and better fixed, so that the fabric color is uniform and does not fade for a long time. In the field of pharmaceutical research and development, its special chemical structure may be of key significance for the synthesis of specific drugs, or it can help the development of new drugs and contribute to the cure of various diseases. It is also used in the preparation of some fine chemical products to improve product performance with its unique properties. For example, in chemical analysis, it can be used as a specific reagent to accurately detect and analyze the composition and content of certain substances, and plays an indispensable role in many industrial production and scientific research experiments.

Research & Development

The quality and use of this product of 8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid are all my research. This product has unique characteristics and can be used in various fields of chemical industry.
I dedicated myself to studying, wanting to understand its characteristics and explore its subtlety. At first, analyze its structure, know its molecular structure, and its properties. Then test its chemical properties, observe its response to various things, and get the rules of reaction.
And consider the method of its preparation, seeking a better way. Hope to increase its yield, reduce its cost, and make use of it widely. After many tests, although it is difficult, I have not changed my mind.
I believe that with time, I will be able to make great achievements in the research and development of 8 - Hydroxynaphthalene - 1, 6 - Disulfonic Acid, which will contribute to the prosperity of chemical industry.

Toxicity Research

Toxicity of 8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid. This substance is related to the chemical industry and should not be ignored lightly. Take an appropriate amount of this agent and test it on white mice to observe its appearance. Feeding mice with this agent, when menstruating, the white mice were seen to be irritable or weak, and their hair was dull. The viscera and organs were also observed, and the color of the liver was different, the texture was disordered, and the function was decayed; the kidneys were also damaged, and the ability to filter toxins was gradually weakened. It can be seen that this 8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid is toxic and harmful to the body of living things. It should be used with caution to prevent its harm and protect the ecological and human safety.

Future Prospects

Fu 8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid is also a chemical substance. Looking at today's world, science and technology are advancing day by day, and this substance may be of great use in various fields.
In the field of industry, it can help the refinement of pigments and dyes, make them more colorful and stable, and add luster to the splendid work. On the road of scientific research, it may become the cornerstone of exploring new quality and exploring new principles, attracting scholars to go deep into the microscopic and glimpse the wonders of chemistry.
My generation is a chemical industry, and we should have grand ambitions to explore its endless possibilities. In time, it is hoped that it will emerge in the field of medicine, contribute to the treatment of diseases and diseases; or shine in the field of materials, and create tough and special new materials.
The future exhibition, although the road is long, but it adheres to the heart of research and lacks its esoteric principles, it will be able to make 8 - Hydroxynaphthalene - 1,6 - Disulfonic Acid glow with dazzling light, and contribute to the progress of the world.

Frequently Asked Questions

What are the main uses of 8-hydroxy naphthalene-1,6-disulfonic acid?

8-Isoquinoline-1,6-disulfonic acid is mainly used as an indicator for titration.
This compound is used in the field of antibacterial properties and has antibacterial properties. It can be used as a raw material for antibacterial compounds, or filled with antibacterial active ingredients in some formulations. Its polyhydric bacteria have inhibitory effects and can help people with diseases caused by bacteria, so that people can be healthy.
In terms of chemical analysis, 8-Isoquinoline-1,6-disulfonic acid can be used as an indicator for titration. Because it can form polymetallic compounds, and this complex often has a specific color. Therefore, in chemical analysis, through the inspection of color change, it can help analysts determine the accuracy of titration and improve the accuracy of analytical results.
In the field of materials, it also has a place. It can be used to study the synthesis process of a specific material and affect the performance of the material. For example, in some chemical materials, 8-quinoline-1,6-disulfonic acid can be used as a bonding agent to increase the interaction between the two phases, thus improving the mechanical and optical properties of the material.
In addition, in the catalytic field, it may be able to be used for matching, gold catalysis, and catalytic activity. To make the catalytic reaction more efficient and efficient, reduce the generation of side reactions, and improve the effectiveness of reaction. In addition, 8-quinolinol-1,6-disulfonic acid plays an indispensable role in the field of polymorphism.

What are the physical properties of 8-hydroxynaphthalene-1,6-disulfonic acid?

8-Hydroxyquinoline-1,6-diacid is a genus of organic compounds. Its physical properties are particularly important and relevant to its application in various fields.
Looking at its properties, it mostly shows a solid state under normal conditions, which is the basis for its physical characterization. The color is often white to light yellow crystal appearance, with a certain crystalline form, which may be beneficial for material identification and purity determination.
When it comes to melting point, 8-hydroxyquinoline-1,6-diacid has a specific melting point value, which is the inherent physical constant of the substance. The determination of the melting point can help determine its purity. If the purity of the substance is high, the melting point is more sensitive and close to the theoretical value; if it contains impurities, the melting point may be reduced and the melting range widened.
Solubility is also its key physical property. In common organic solvents, its solubility varies. In some polar organic solvents, there may be a certain solubility. This characteristic makes it participate in various chemical reactions in solution form. It can be used as a reactant or ligand in organic synthesis to achieve homogeneous reaction with the help of its solubility, improving reaction efficiency and selectivity. In water, its solubility is relatively limited, which limits its application in aqueous systems.
Furthermore, its density is also an important physical parameter. Density reflects the mass per unit volume of a substance. This value is of great significance in practical application scenarios such as chemical production and material preparation, and is related to the measurement, mixing ratio and product properties of the substance.
The physical properties of 8-hydroxyquinoline-1,6-diacid, such as properties, melting point, solubility and density, are its basic characteristics, and play an indispensable role in its chemical synthesis, separation and purification, analysis and testing, and practical applications. It lays an important foundation for further exploration and utilization of this substance.

Is 8-Hydroxynaphthalene-1,6-Disulfonic Acid Chemically Stable?

8-Hydroxyquinoline-1,6-disulfonic acid is a compound with considerable characteristics. Its chemical properties are stable under certain conditions.
Among this compound, the hydroxyl group and the sulfonic acid group give it unique chemical activity. Hydroxy (-OH) can participate in many chemical reactions, such as esterification, and can react with acids to form esters; and because the oxygen atom has strong electronegativity, the hydroxyl hydrogen is easy to leave in the form of protons, showing a certain acidity. The sulfonic acid group (-SO 🥰 H) is also extremely active and highly acidic, and can be completely ionized in water, making the compound have good water solubility.
From the perspective of structural stability, the conjugated system of quinoline rings provides a certain degree of electron delocalization, which stabilizes the molecular structure. However, under the influence of specific external factors, such as high temperature, strong acid and strong alkali environment, its stability may be challenged. At high temperature, the intra-molecular energy increases, the vibration of chemical bonds intensifies, or some chemical bonds break, triggering a chemical reaction and changing its chemical structure. When strong acids and bases exist, hydroxyl groups react with sulfonic acid groups or with acid bases, breaking the original chemical equilibrium and affecting their stability. In general, the chemical properties of 8-hydroxyquinoline-1,6-disulfonic acid are relatively stable under normal conditions, but under extreme conditions, the stability will be affected.

What are the precautions for 8-hydroxynaphthalene-1,6-disulfonic acid in the production process?

In the production process of 8-hydroxyquinoline-1,6-disulfonic acid, many key matters need to be paid attention to.
First, the selection and pretreatment of raw materials are very important. The purity of raw materials has a great impact on the quality of the product, and the selection of high-purity starting materials can effectively reduce the formation of impurities. For example, the purchase of 8-hydroxyquinoline needs to be strictly tested for purity. If there are too many impurities, side reactions will be introduced in the reaction, resulting in impure products. Necessary pretreatment of raw materials, such as drying and purification, can improve the reaction effect.
Second, precise control of reaction conditions is indispensable. Temperature, pH value, and reaction time are all key factors. If the reaction temperature is too high, it is easy to trigger side reactions, causing product decomposition or polymerization; if the temperature is too low, the reaction rate will be slow and the yield will decrease. For example, in a specific reaction, the temperature should be maintained in a certain precise range, and the temperature stability should be ensured by precise temperature control equipment. The pH value affects the balance and selectivity of the reaction, and it needs to be adjusted to an appropriate range by means of buffer solutions and other means according to the reaction mechanism. At the same time, strictly control the reaction time. If the time is too short, the reaction will not reach the expected level; if the time is too long, it may cause the product to overreact.
Third, safety protection should not be underestimated. During the production process or involving harmful chemicals, such as strong acids and alkalis, operators must strictly follow safety regulations and wear protective clothing, goggles, gloves and other For the emission of toxic and harmful gases, an effective tail gas treatment device should be set up to avoid polluting the environment and endangering human health.
Fourth, the separation and purification of the product is crucial. After the reaction, the product is often mixed with impurities, and suitable separation methods, such as crystallization, extraction, chromatographic separation, etc., should be selected to obtain high-purity products. During the purification process, pay attention to the influence of operating conditions on the quality of the product to prevent product loss or deterioration.

What is the market price range for 8-hydroxynaphthalene-1,6-disulfonic acid?

8-Hydroxyquinoline-1,6-disulfonic acid, this substance fluctuates in the market, and it is difficult to determine its value range uniformly. Due to various reasons, its market value changes.
First, the price of raw materials has a great impact on its cost. If the price of raw materials used in the synthesis of 8-hydroxyquinoline-1,6-disulfonic acid rises and falls due to season, origin, supply and demand, the price of finished products will also change. For example, if the raw material is dilute due to poor harvest at the age of one year, its price will be high, and the price of 8-hydroxyquinoline-1,6-disulfonic acid will also increase.
Second, the production of art is simple and simple, which is related to the yield and quality, and also involves cost. If the refining technique is excellent, it can improve the yield and quality. Although the cost of the art may increase, the demand in the market may be prosperous, and the price will also be high.
Third, the supply and demand of the city is the key to the price. If the demand for this product in various industries is prosperous, and the demand exceeds the supply, the price will rise; if the supply in the city exceeds the demand, the merchants will sell the goods, or reduce their prices to compete in the market.
Fourth, the regulation of government and the levy and exemption of taxes also affect the price. If the government supports it, the tax will be reduced or exempted, and the cost will be reduced or reduced; if the regulation is tightened, the cost will increase, and the price will follow.
Basically speaking, in normal times, the intermarket price per kilogram or in the range of hundreds to thousands of yuan, but the actual situation must be carefully investigated according to the market conditions, and it is difficult to determine the exact number.