Products

Disodium 4-Hydroxynaphthalene-2,7-Disulphonate

Lingxian Chemical

    Specifications

    HS Code

    505774

    Chemical Formula C10H6Na2O8S2
    Molar Mass 368.26 g/mol
    Appearance White to off - white powder
    Solubility In Water Soluble
    Ph Of Aqueous Solution Typically near neutral
    Melting Point Decomposes before melting
    Stability Stable under normal conditions

    As an accredited Disodium 4-Hydroxynaphthalene-2,7-Disulphonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 5 - kg packs of Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate in sealed chemical - grade bags.
    Storage Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate should be stored in a cool, dry place. Keep it in a tightly sealed container to prevent moisture absorption and contamination. Avoid storing near heat sources or incompatible substances. This storage method helps maintain its chemical stability, ensuring its quality for various applications like in dye - making processes.
    Shipping Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate is shipped in well - sealed containers, safeguarded against moisture and physical damage. Transportation adheres to chemical shipping regulations to ensure safe delivery.
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    Competitive Disodium 4-Hydroxynaphthalene-2,7-Disulphonate prices that fit your budget—flexible terms and customized quotes for every order.

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    Disodium 4-Hydroxynaphthalene-2,7-Disulphonate
    General Information
    Historical Development
    "Remembering the History of 4-Hydroxynaphthalene-2,7-Disodium Disulfonate"
    I have heard that chemical products have their own sources, and 4-Hydroxynaphthalene-2,7-Disulfonate Disodium has also evolved over time. In the past, chemistry was at the beginning of its rise, and all masters were determined to explore substances. At that time, the understanding of organic compounds became deeper, and the study of naphthalene derivatives became more and more popular.
    After repeated experiments, people used naphthalene as a group, added hydroxyl groups, and sulfonic acid groups to explore the delicacy of the reaction. At first, the progress was difficult, the conditions were difficult to control, and the products were not pure. However, everyone made unremitting efforts to improve the process, adjust the temperature, change the reagent, and change the process.
    Finally, this 4-hydroxynaphthalene-2,7-disulfonic acid disodium has gradually shown its function in dyes, medicine and other industries. Since its inception, it has been continuously carved by later generations, optimized production methods, improved quality, and applied more and more widely. It has added brilliance to various industries and is really a bright pearl in the development of chemistry.
    Product Overview
    Today, there is a product called 4-Hydroxynaphthalene-2,7-Disulphonate (Disodium 4-Hydroxynaphthalene-2,7-Disulphonate). This substance is unique among chemical products. Its properties are stable, its color is pure, and it is often in the form of a white powder. It is delicate and uniform in appearance.
    This product is widely used in the industrial field and is an important raw material in the preparation of dyes. With its characteristics, it can help the dye color to be more vivid and has a lasting effect. In the printing and dyeing industry, it can make the fabric color uniform, bright color, and improve the quality. In addition, it also plays a key role in some special chemical reactions, providing assistance for the smooth progress of the reaction. Therefore, 4-hydroxynaphthalene-2,7-disulfonic acid disodium, although a small chemical product, plays a significant role in many industries, and is an indispensable part of the chemical industry.
    Physical & Chemical Properties
    Today there is a thing called Disodium 4-Hydroxynaphthalene-2, 7-Disulphonate. Its physical and chemical properties are worth exploring.
    This substance is in the shape of a powder, white and delicate, just like the beginning of winter snow. Smell it, there is no odor, no pungent breath. Touch it, the texture is soft, like a feather.
    As for chemistry, it may be soluble in water, like salt in soup, quietly melting it, forming a uniform liquid. When heated, it may be stable, not easy to decompose, like the solid of a rock. It mixes with other things, or reacts, and changes subtly, like the intertwining of stars, triggering new life. This is all speculation, and it needs to be verified in order to determine the details of its physical and chemical properties.
    Technical Specifications & Labeling
    There is a chemical product today, named Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate. Its process specification and identification (commodity parameters) are the key.
    The process specification is related to the preparation process of this product. Since the raw material is selected, it is necessary to choose good ones, and impurities should not enter. The reaction conditions also need to be precisely controlled, and the temperature, pressure, reaction time, etc. must not be poor. If the reaction temperature or needs to be maintained in a specific range, if it is too high, the product will be easy to decompose, and if it is too low, the reaction will be slow.
    In terms of identification, the product parameters should be clear and complete. From the ingredient label, the user can understand its composition; to the character description, know its appearance. In this way, it can be properly applied in various fields of chemical industry, give full play to its due effect, and avoid the risk of misuse.
    Preparation Method
    To prepare 4-hydroxynaphthalene-2,7-disulphonate (Disodium 4-Hydroxynaphthalene-2,7-Disulphonate), the method of its preparation, the first raw materials and production process. Take naphthalene as the group and sulfonate with sulfuric acid to obtain naphthalene sulfonic acid. Then with a specific ratio of sulfuric acid and fuming sulfuric acid, control the temperature, and then make the naphthalene sulfonic acid resulfonate to obtain 4-hydroxynaphthalene-2,7-disulfonic acid.
    The reaction step is strict. When sulfonating, the temperature needs to be stable, and it should not be high or low, otherwise it will affect the yield. After neutralization with sodium hydroxide, 4-hydroxynaphthalene-2,7-disulfonic acid is obtained. Crude product of disodium
    The method of refining can recrystallize, remove impurities, and purify the product. Its catalytic mechanism, sulfuric acid as a catalyst, promotes the sulfonation reaction quickly. This is the main method for preparing 4-hydroxynaphthalene-2,7-disulfonate disodium.
    Chemical Reactions & Modifications
    The industry of chemical industry is related to all things, and the chemical changes are mysterious. Today there is a thing named Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate. The chemical reaction and modification of this substance are particularly important.
    When it is reacted, it is often necessary to precisely control the conditions. Differences in temperature and humidity, or deviations in reaction. To get good results, it is necessary to carefully observe environmental factors. And its structure is exquisite, and the atoms are closely related. When reacting, if you are not careful, you will lose your original intention.
    As for the way of modification, it is necessary to optimize the performance. Or enhance its stability, or improve its activity, all depend on fine techniques. If you adjust its functional groups, you can make it adapt to different needs. After repeated research and development, it is known that its reaction and modification are wonderful, which can add bricks and mortar to the chemical industry, resulting in a wider range of functions and better efficiency.
    Synonyms & Product Names
    Today there is a thing called Disodium 4-Hydroxynaphthalene-2, 7-Disulphonate. Its name is also common to people. This compound is also known as a commodity in the industry.
    This is an important thing in chemical research and development. Its name is the same, so it is convenient for all parties to communicate with workers and workers. The name of a commodity is easy to use in the market, used to create this thing. The name of the same product is mostly based on its manufacture, nature, and refinement. The name of the product, or factors such as market behavior and use, can be eye-catching.
    For those who study chemical industry, it is beneficial to know the general name of this product, and to explore and work with it. The envoy communicates and promotes, and the heart of research is not the heart of research.
    Safety & Operational Standards
    Safety and Operating Specifications for 4-Hydroxynaphthalene-2,7-Disulphonate Disodium 4-Hydroxynaphthalene-2,7-Disulphonate
    Disodium 4-Hydroxynaphthalene-2,7-Disulphonate (Disodium 4-Hydroxynaphthalene-2,7-Disulphonate) is an important substance in chemical research. When using and operating, many safety and regulatory matters must not be ignored.
    First words storage. When placed in a dry, cool and well-ventilated place, away from fire and heat sources to prevent accidents. It must be stored separately from oxidants, acids, etc., and must not be mixed to avoid chemical reactions and cause danger.
    As for the operation process, the operator must wear appropriate protective equipment. For example, wear protective work clothes to prevent substances from contacting the skin; wear protective gloves to avoid contamination of the hands; at the same time, goggles are also indispensable to ensure the safety of the eyes. The operating environment should be well ventilated. If conditions permit, it can be operated in a fume hood to reduce the inhalation of harmful gases.
    If you accidentally come into contact with this substance, you should also be familiar with emergency measures. If the skin comes into contact, you should immediately remove the contaminated clothes, rinse with a large amount of flowing water for at least 15 minutes, and then seek medical treatment. If eye contact, quickly lift the eyelids, rinse thoroughly with a large amount of flowing water or normal saline for at least 15 minutes, and seek medical attention as soon as possible.
    Furthermore, in terms of disposal, it should not be done at will. Relevant environmental regulations should be followed, and it should be handled by professional institutions. It must not be discarded privately to avoid pollution to the environment.
    In summary, the safety and operation specifications of 4-hydroxynaphthalene-2,7-disulfonate disodium salt are related to the personal safety and environmental safety of the experimenter. It should be carefully followed and not slack off.
    Application Area
    Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate This substance is useful in various fields. In the dyeing and weaving industry, it can be used as a dyeing aid, which can make the color uniform and firm, and the color of the fabric will not fade over time, bright and lasting, which is important for weavers. In the way of medicine, because of its specific nature, or it can help the dissolution of drugs and increase their effectiveness, it is used by physicians to research drugs. In chemical experiments, it can be used as a reagent to help test the properties of substances, analyze their components, and clarify their structure. It has a wide range of uses. It is indispensable in many fields such as dyeing and weaving, medicine, and chemical industry. It is relied on by the industry to achieve all things.
    Research & Development
    Since modern times, chemical refinement, many new things have appeared. This word Disodium 4-Hydroxynaphthalene-2, 7-Disulphonate this thing, I devoted myself to research.
    At the beginning, explore its physical properties, detailed measurement of its melting point, dissolution, to know its state in different solvents. Repeat the method of synthesis, improve the old technique, in order to increase its yield and reduce its cost. After repeated tests, adjust the conditions of the reaction, such as temperature, pressure, and the ratio of reagents.
    Study its application, in the dyeing and weaving industry, it can be used as a mordant to make the color bright and lasting; in the field of medicine, it also has potential, or can help drug transmission.
    I am committed to the research and progress of this thing, hoping to be able to use it widely, promote the prosperity of chemistry, and contribute to the well-being of the world.
    Toxicity Research
    Today there is a substance, named Disodium 4-Hydroxynaphthalene - 2,7 - Disulphonate, and we want to study its toxicity. In various experiments, the toxicity of this substance has been found, which is related to the safety of living beings. To observe its properties in detail, so we set up various experiments. Take mice and rats as experiments and observe their state after ingesting this substance. There may be a lack of fur, slow movement, or even life-threatening. And observe its shadow on the organs, liver and kidney, showing subtle changes. This all shows the existence of its toxicity. However, in order to fully understand its details, it is necessary to search for data widely, make more comparisons, and analyze its reasons in detail, so that it can be used in the future, avoid its harm and pursue its benefits, and ensure the health of all living beings, so that this chemical substance can be used properly and harmless to the world.
    Future Prospects
    Today there is a product called Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate (Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate). I have been studying this product for a long time, and its future development is full of expectations.
    This product has unique properties and a wide range of applications. Looking at the present, although there have been many achievements, there are still infinite possibilities in the future. It is expected that in the field of material science in the future, with its characteristics, novel materials can be developed to meet the needs of many frontiers. In biochemical research, it may also be a key reagent to help explore the mysteries of life.
    We researchers should make unremitting efforts to explore its potential. In time, this thing will surely shine, add brilliance to the world, and help humanity progress. I hope my colleagues will join hands to advance to the glory of the future, open up a new realm of this thing, and achieve extraordinary achievements.
    Where to Buy Disodium 4-Hydroxynaphthalene-2,7-Disulphonate in China?
    As a trusted Disodium 4-Hydroxynaphthalene-2,7-Disulphonate manufacturer, we deliver: Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements. Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery. Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
    Frequently Asked Questions

    As a leading Disodium 4-Hydroxynaphthalene-2,7-Disulphonate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    Disodium 4-Hydroxynaphthalene-2, what is the main use of 7-Disulphonate
    Disodium 4-hydroxynaphthalene-2,7-disulfonate has a wide range of uses. In the dyeing and weaving industry, it is often a key raw material for the preparation of dyes. Due to its special structure, the cover can make the dyes produced have excellent properties, such as bright color and firm adhesion. When dyeing fabrics, it can help dyes color evenly, make dyes even, and improve their appearance and quality.
    In the field of chemical synthesis, it is also an important intermediate. Chemists can synthesize a variety of complex organic compounds and expand the variety of chemical products. Because it contains specific functional groups, it can be combined with other compounds through a series of chemical reactions to build new molecular structures, and then prepare materials with special properties, such as some functional polymer materials, which have potential applications in frontier fields such as electronics and medicine.
    In the process of scientific research and exploration, it is also a commonly used chemical reagent for researchers. It can be used to explore the mechanism of chemical reactions, participate in specific reactions, observe the reaction process and results, help researchers clarify the reaction path and law, and promote the development of chemical theory. And in analytical chemistry, it may be a standard material that can be used for some kind of analytical test, providing a benchmark for accurate measurement and qualitative and quantitative analysis to ensure the accuracy and reliability of experimental data.
    Disodium 4-Hydroxynaphthalene-2, what are the physical properties of 7-Disulphonate
    The physical properties of disodium + 4-hydroxynaphthalene-2,7-disulfonate are related to its morphology, solubility, stability and many other aspects.
    Under normal conditions, this compound may be in a solid state, and its appearance may be white to slightly yellow powder. The texture is delicate, just like the lightness of early winter snow.
    In terms of solubility, it is quite soluble in water, just like fish get water. The solubility allows water molecules to surround its ionic structure to form a uniform solution. This property makes it advantageous in the application of many aqueous systems.
    Stability is also an important physical property. Under normal conditions, its chemical structure is relatively stable and can resist the influence of common environmental factors. In case of extreme acid-base environment or high temperature hot topic state, its structure may change. If in strong acid, the sulfonic acid group may be affected, causing its chemical properties to change; under high temperature, the molecular structure or rearrangement and other reactions affect its original properties.
    Its melting point is also a key physical parameter. Although the exact value may vary depending on the specific preparation process, the approximate range can reflect its thermal stability. Suitable melting point ensures that it maintains a solid state within a specific temperature range. During high temperature processing, it will not melt and deform prematurely, which will affect the use effect.
    In addition, its density is also a material property that cannot be ignored, which determines its mass within a specific volume. In some application scenarios where the ratio of mass to volume is required, this parameter is of great significance.
    The physical properties of this compound are the key to people's control of its performance and use in chemical, materials and other fields. Just like craftsmen who are familiar with material properties, they can carve exquisite works.
    Is Disodium 4-Hydroxynaphthalene-2, 7-Disulphonate chemically stable?
    The chemical stability of 4-hydroxynaphthalene-2,7-disulfonate is related to many aspects. This compound can be stabilized to a certain extent under suitable environmental conditions.
    Looking at its chemical structure, the presence of hydroxyl groups and sulfonate groups has a significant impact on its stability. Hydroxyl groups have certain reactivity and can participate in many chemical reactions, such as esterification, oxidation, etc., which may pose challenges to their stability. However, sulfonate groups, due to their strong polarity, can enhance the solubility of compounds in water, and to a certain extent, can affect the spatial arrangement of molecules and the distribution of electron clouds through the interaction between ions, thus affecting the stability.
    If the environment is suitable for temperature and humidity, and there are no strong oxidants, reducing agents and other interfering substances, this compound can exist relatively stably. In case of high temperature, high humidity, or coexistence with active chemicals, its stability is easily damaged. High temperature can intensify the thermal movement of molecules, making chemical bonds more easily broken; in high humidity environments, the action of water molecules may cause reactions such as hydrolysis.
    In addition, light may also affect its stability. Some compounds can initiate photochemical reactions under light, resulting in structural changes. Therefore, in order to maintain the stability of disodium 4-hydroxynaphthalene-2,7-disulfonate, it needs to be properly stored, protected from high temperature, high humidity and strong light, and away from chemical substances that can react with it. In this way, its chemical properties can be maintained relatively stable.
    Disodium 4-Hydroxynaphthalene-2, what is the production method of 7-Disulphonate
    The method of preparing disodium 4-hydroxynaphthalene-2,7-disulfonate is also studied by ancient chemical techniques. At first, naphthalene is used as the base, and the sulfonation technique makes the naphthalene interact with sulfuric acid. Naphthalene is active, and sulfuric acid is introduced when it encounters sulfuric acid. At a suitable temperature, naphthalene is sulfonated to form various isomers, but the key to obtaining 4-hydroxynaphthalene-2,7-disulfonate lies in temperature control and timing.
    First, when heated to 150 to 160 degrees Celsius, the naphthalene reacts with sulfuric acid to form a mixture of naphthalene sulfonic acid. At this time, the sulfonic acid group or the naphthalene ring is at different positions. Then, the obtained naphthalene sulfonic acid product Caustic alkali is often co-heated with naphthalenesulfonic acid to cause the hydroxyl group to replace the hydrogen at a specific position in the naphthalene ring.
    However, this is difficult, but it is difficult to accurately control the temperature and the reaction process. If the temperature is too high, it is easy to overreact and the product is impure; if it is too low, the reaction will be slow and the yield will be poor.
    After the hydroxylation is completed, and then through the method of neutralization, sodium hydroxide interacts with the product to form disodium 4-hydroxynaphthalene-2,7-disulfonate. When neutralizing, its pH should be checked to ensure that the reaction is just right.
    After separation and purification, such as crystallization, filtration, washing, etc., to remove its impurities, to obtain pure disodium 4-hydroxynaphthalene-2,7-disulfonate. This preparation method is interlocking, and it is necessary to be skilled in technology and familiar with chemistry to obtain high-quality products.
    Disodium 4-Hydroxynaphthalene-2, 7-Disulphonate What should be paid attention to when storing and transporting
    The storage and transportation of this object requires all kinds of attention. This is "Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate", chemical substances, sexual or different, so there are many things to pay attention to.
    The first word is to store. You need to choose a cool, dry and well-ventilated place. If you are in a warm and humid place, you may change the properties of this object. As "Tiangong Kaiwu" said, the reason for storing all kinds of things is to pay attention to the suitability of the environment, and the same is true. Because of hot and humid gas, it is easy to invade with objects, or the chemical structure is damaged, and the effectiveness is damaged. And it needs to be separated from other things, especially those that are corrosive and oxidizing. If mixed in one place, such as oil into the fire, it will cause disaster, chemical reaction, deterioration, or danger.
    Secondary transportation. When handling, be sure to be gentle, do not make bumps and collisions. This is like transporting a delicate device, and if you are not careful, it will be damaged. The outer package must be solid and firm to withstand vibration and shock during transportation. And the transporter should be aware of its nature and know how to deal with it. In case of an emergency, you can handle it calmly and not panic. Furthermore, the transportation environment should also be suitable, and the temperature and humidity should be maintained stable. It should not be high or low, dry or wet, and its quality should be guaranteed. In this way, proper storage and transportation can ensure the effectiveness of "Disodium 4 - Hydroxynaphthalene - 2,7 - Disulphonate" without error.