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2-Hydroxy Naphthalene-3,6-Disodium Disulfonate

Specifications

HS Code	731466
Chemical Formula	C10H6Na2O7S2
Molar Mass	348.26 g/mol
Appearance	White to off - white powder
Solubility In Water	Highly soluble
Ph Aqueous Solution	Neutral to slightly alkaline
Melting Point	Decomposes
Density	Approx. 1.7 g/cm³
Cas Number	1655-69-2
Odor	Odorless
Stability	Stable under normal conditions

As an accredited 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	25 - kg bags packaging for 2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate.
Shipping	2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate is shipped in well - sealed, corrosion - resistant containers. Shipment follows strict chemical transportation regulations to ensure safety during transit.
Storage	2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate should be stored in a cool, dry place away from heat sources and direct sunlight. Keep the container tightly sealed to prevent moisture absorption, as exposure to atmospherics may affect its quality. Store it separately from incompatible substances to avoid potential reactions.

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Certification & Compliance

2-Hydroxy Naphthalene-3,6-Disodium Disulfonate is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales7@alchemist-chem.com.

2-Hydroxy Naphthalene-3,6-Disodium Disulfonate

General Information

Historical Development

2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate This product, its origin can be traced. Chemical industry was first developed in the early years, and all the sages worked tirelessly. At that time, the technology was not refined, and it was difficult to obtain this product.
The craftsmen worked in the workshop day and night to try and error, reconcile the agents, and observe their changes. After a long time of exploration, there is a small success. At the beginning of the output, the quantity is thin and the quality is not pure.
After the years have passed, the technology has advanced day by day. New techniques and new devices are gradually used in the industry, and the refining method is more refined. The output of this product is abundant, and the quality is also getting better and better. The development of 2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate is a witness to the evolution of the chemical industry and the cohesion of the efforts of all craftsmen.

Product Overview

Product Overview
2-hydroxynaphthalene-3,6-disulfonate sodium is an important compound in chemical research. Its unique properties, appearance is [specific appearance description], and under specific experimental conditions, it exhibits stable chemical properties.
This product has considerable application value in many fields. In the dye industry, it can be used as a key intermediate to help synthesize dyes with bright color and excellent fastness, bringing rich colors to fabric printing and dyeing. In the field of pharmaceutical research, its special structure may provide a new direction for drug research and development, and it can be reasonably modified and modified, or it can become an active ingredient with specific therapeutic effects.
In terms of preparation, it can be obtained through [brief description of specific preparation methods]. It is necessary to pay attention to the precise control of reaction conditions, such as temperature, pH, etc., if there is a slight deviation, the purity and yield of the product may be affected.
Overall, although sodium 2-hydroxynaphthalene-3,6-disulfonate is a niche chemical product, it is of great significance in related fields. With the deepening of research, it is expected to explore more potential uses and add to the chemical industry and scientific research.

Physical & Chemical Properties

2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate is a special compound. Looking at its physical properties, it is often in the state of white to light yellow powder and is very soluble in water. This property allows it to disperse rapidly in many liquid phase systems.
When it comes to chemical properties, the compound has certain stability, but it may undergo chemical changes in the environment of strong acid and alkali. The sulfonic acid group in its molecular structure gives it good hydrophilicity and ionic properties, and can dissociate sodium ions in aqueous solution, thus showing unique chemical activity. In many chemical and industrial application scenarios, this compound can be used as a dye auxiliary, surfactant and other uses due to its own physical and chemical characteristics, helping the development of related industries.

Technical Specifications & Labeling

2024 is the Year of the Dragon in Jiachen of the lunar calendar. In ancient times, people had detailed specifications and identification methods for various craft products. Today there is 2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate. It should also follow the ancient method to clarify its technical specifications and identification (commodity parameters).
Looking at this 2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate, you need to check its color, it should be pure and free of impurities, as white as the first snow. Its quality should be uniform, and there should be no uneven thickness. The taste should be light, without pungent odor. Measure its various parameters again, and the solubility should be accurate in a certain range to apply it. The impurity content must be strictly controlled, not exceeding a specific ratio, to ensure high quality. In this way, according to this technical specification and identification (product parameters), a good 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate can be prepared to suit all needs.

Preparation Method

The method of preparing 2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate is related to the raw materials and production process, reaction steps, and catalytic mechanism. The raw materials need to be carefully selected, and high quality is preferred. The production process should be rigorous and orderly, and the ratio of the first raw materials is accurate. In the reaction step, the naphthol raw materials and specific sulfonating agents should be co-placed at a suitable temperature and pressure to promote the sulfonation reaction. This step requires strict control of the reaction time and conditions to achieve the ideal degree of reaction. As for the catalytic mechanism, high-efficiency catalysts can be introduced to accelerate the reaction process and increase the yield, and the amount and activity of the catalyst need to be precisely regulated to obtain high-quality 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate products.

Chemical Reactions & Modifications

I have dedicated myself to the research of chemical products, and I am particularly interested in disulfonating this product at 2-Hydroxy Naphthalene-3,6-Disodium.
Looking at the chemical reaction, although the initial reaction was followed, there were still some imperfections. The reaction rate did not meet expectations, and the purity of the product could be improved.
In order to change its properties, I studied the mechanism in detail and tried repeatedly. Or change the temperature of the reaction, or adjust the amount of reagents, and try to use heterogeneous catalysts. After repeated research, I gradually gained something. The reaction rate gradually increased, and the purity of the product also increased.
On the road of chemistry, every method of change is sought to achieve perfection. In the research of 2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate, we focus on chemical reaction and denaturation, and make unremitting exploration, hoping to make progress and contribute to the chemical industry.

Synonyms & Product Names

Today, there is a product called 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate. This product is also known as Yizhong in the industry. One of them is called "sodium dichlorochromic disulfonate", which is named after its chemical structure containing naphthalene rings, hydroxyl groups and sodium sulfonate groups. It is also called "sodium chromotropic acid", which is named because it can cause color changes in specific reactions.
City business names are also different. Some are called "chemical excellent dichlorochromic acid disodium salt", emphasizing its excellent quality and suitable for various chemical applications. It is also called "high-efficiency printing and dyeing auxiliary 2-hydroxynaphthalene-3,6-disulfonate sodium", highlighting its high efficacy as an auxiliary in the printing and dyeing industry. This is due to the difference in market demand and product positioning, resulting in various business names. Although the names are different, they actually refer to the same thing, and there is no difference in chemical properties and applications.

Safety & Operational Standards

On June 26, 2024, 1. Yu Yan Chemical's product, named 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate, is related to safety and operation specifications. It is hereby described as follows:
The properties of this product must be detailed in advance. Its chemical structure and characteristics determine its use and risk. In the storage room, it is necessary to choose a dry and cool place, far from fire and heat source. Cover its nature or be sensitive to heat, and it may be unpredictable in case of fire. Reservoirs must also be carefully selected, leak-proof and corrosion-resistant, to keep their purity, to avoid mixing with other things, causing chemical change and endangering life.
When exercising, be sure to follow the rules. The operator must wear suitable protective equipment, such as gloves and eyepieces, to avoid contact with the body, skin and eyes. If you accidentally touch it, rinse it with clean water as soon as possible, and seek medical attention for those who are serious. Exercise it in a well-ventilated and well-ventilated place to prevent it from gathering gas and sucking it into the body. When dispensing and transporting, be careful to control the flow rate and pressure to avoid spills.
In case of an accident, if it is leaked on the ground, order those who are unrelated to it to leave. The operator wears a special defense outfit to quickly clean the source of pollution. Small leaks are collected with suction, and large leaks are surrounded.
Furthermore, the waste of this thing should be done according to the law. It cannot be discarded indiscriminately. When it is collected in a special device, it should be handled by the department, and the principle of cycle protection should be used to protect the environment of nature.
In short, the safety and operation specifications of 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate are the basis for research and use. If you follow it, you will be safe. If you ignore it, you will be at risk. My generation should be careful and serious.

Application Area

2-Hydroxynaphthalene-3,6-disulfonate sodium, this compound has a wide range of uses. In the dyeing and weaving industry, it can be used as a dye aid to help dye leveling and transparent dyeing, so that the fabric has a uniform and bright color and good color fastness. In the field of papermaking, it can optimize the sizing performance of paper, improve the water resistance and moisture resistance of paper, and also help the fiber dispersion to make the paper more uniform. In some chemical synthesis reactions, it can be used as a catalyst or reaction intermediate to promote a specific reaction process and improve the yield and purity of the product. Its application in many industrial fields has contributed greatly to the improvement of production efficiency and product quality optimization, and it is an indispensable chemical raw material.

Research & Development

Today there is a thing called 2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate. As a chemical researcher, I have studied this thing for a long time.
Begin to explore its properties, observe its physical characteristics, analyze its chemical properties, and clarify its reaction rules. In the laboratory, try all kinds of things to solve its secrets.
Then, think about its use. This thing is used in industry, medicine and other fields, or has great use. In industry, it can be used as a dye aid to help color, even and firm. In medicine, it may be an active ingredient to treat diseases and diseases.
We should study it relentlessly, expand its use, and improve its methods, hoping to promote its development and benefit the world. With time, more discoveries will be made, making it shine in various fields and benefit everyone.

Toxicity Research

A taste of the chemical industry is related to people's livelihood. Today there is a product called "2-Hydroxy Naphthalene-3,6-Disodium Disulfonate", and I have been focusing on its toxicity research for a long time.
In various experiments, the toxicity characterization of this product is quite critical. After repeated inspections, its impact on various organisms was observed. Test it with insects, observe the changes in its actions, and the differences in physiology; and test it with plants and trees, observe its growth trend, leaf color and stem shape.
Toxicity research is not done overnight and needs to be done with caution. After months of study, record the data in detail, and deduce the results in detail. I hope this study can clarify the depth of its toxicity, which will be helpful for the application and protection of this substance in the future, so that chemical substances can benefit people and avoid their harm.

Future Prospects

2 - Hydroxy Naphthalene - 3,6 - Disodium Disulfonate is also a chemical substance. Looking at its appearance, it seems to contain endless potential to be discovered in the future.
Looking forward to the future, this substance may emerge in various fields of chemical industry. Or it can be used for delicate dye synthesis, giving fabrics a brilliant color, and good color fastness, lasting for a long time. Or in the process of drug research and development, its unique efficacy will be revealed, opening up new paths for the treatment of various diseases.
Furthermore, in the field of material science, its characteristics may be used to develop new functional materials to meet the needs of rapid technological development. Although the road ahead is long, its future scene, like the morning dew reflecting the sun, is full of hope, waiting for our generation of scientific researchers to diligently explore and open up its endless possibilities.

Where to Buy 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate in China?

As a trusted 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate 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 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

What is the main use of 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate?

2-Hydroxynaphthalene-3,6-disulfonate sodium, which is mainly used in industrial dyes, pigments and other fields, has remarkable effectiveness, and is actually an indispensable raw material in the chemical industry.
This agent has significant functions at the end of dye preparation. The preparation of dyes has always been about bright color, firm adhesion, and durability. 2-Hydroxynaphthalene-3,6-disulfonate sodium can be used as an important intermediate here. Through a series of delicate chemical reactions, it can be ingeniously integrated into the dye formula, which can greatly improve the many properties of the dye. Taking fabric dyeing as an example, the dye made by this agent can make the fabric color dazzling, and after many washes, it is also difficult to fade, which can meet the strict demand for high-quality dyes in the printing and dyeing industry.
As for the field of pigment manufacturing, 2-hydroxynaphthalene-3,6-disulfonate sodium also plays a key role. Pigments, whether used in painting art or in industrial coatings, need to have excellent hiding power and stability. The addition of this agent can optimize the molecular structure of pigments and enhance their physical and chemical stability. In painting pigments, it can make the color appear purer and fuller, and it can be stored for a long time without changing color; in industrial coating pigments, it can improve its adhesion to different substrate materials, resist external environmental erosion, and prolong the service life of the coating.
Furthermore, in some specific chemical synthesis reactions, sodium 2-hydroxynaphthalene-3,6-disulfonate can be used as a catalyst or reaction aid because of its unique chemical structure. With its special activity check point, it can effectively reduce the activation energy of the reaction, accelerate the reaction process, improve the reaction yield, and help the efficient synthesis of many complex compounds, contributing to the development of the fine chemical industry. In conclusion, sodium 2-hydroxynaphthalene-3,6-disulfonate plays a pivotal role in the chemical industry due to its diverse uses.

What are the chemical properties of 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate

2-Hydroxynaphthalene-3,6-disulfonate sodium, this material has specific chemical properties. It is a water-soluble salt that dissolves well in water to form a uniformly dispersed solution. This property makes it convenient to use in many aqueous systems.
Looking at its chemical structure, the hydroxyl group and the sodium sulfonate group give it unique activity. Hydroxyl groups can participate in a variety of chemical reactions, such as esterification, etherification, etc., which can modify compounds to meet different application needs. Sodium sulfonate groups give the compound good hydrophilic and ionic properties, enabling it to exhibit surfactant activity in solution, which can be used to prepare surfactants, reduce liquid surface tension, and improve wettability and dispersion.
In terms of stability, under general conditions, 2-hydroxynaphthalene-3,6-disulfonate sodium is quite stable, but in the case of strong acids, strong bases or specific high temperature environments, the structure may be damaged, causing chemical properties to change.
In addition, due to the structure of the naphthalene ring, the compound has a certain conjugate system, which may endow it with certain optical properties, such as absorption or emission at specific wavelengths, and may have potential uses in the field of optical materials. Its many chemical properties make it important in dyes, medicine, materials and many other industries.

What is the production method of 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate?

The preparation method of 2-hydroxy-naphthalene-3,6-disulfonate sodium, although the ancient book "Tiangong Kaiwu" does not specify this material, it can be followed by chemical principles and imitation of similar production methods.
First take naphthalene as the starting material, naphthalene, aromatic hydrocarbons are also stable, and the structure is stable. Sulfuric acid is used as a sulfonation agent to obtain the sulfonated product of naphthalene. This step requires careful temperature control. The temperature of the cover is related to the position and amount of sulfonyl introduced. At a suitable temperature, the sulfonyl group of sulfuric acid can undergo electrophilic substitution reaction with the naphthalene ring. To obtain 3,6-disulfonated naphthalene, the reaction conditions need to be precisely regulated, such as the reaction time and the concentration of sulfuric acid.
After obtaining 3,6-disulfonated naphthalene, a hydroxyl group is introduced. It can be achieved by a series of reactions such as halogenation and hydrolysis. First, a halogenated reagent, such as hydrogen halide or halogen element, reacts with 3,6-disulfonated naphthalene under appropriate conditions to halogenate the naphthalene ring at a specific position. Then the halogen is hydrolyzed in alkali, and the halogen atom is replaced by a hydroxyl group to obtain 2-hydroxy-naphthalene-3,6-disulfonate.
Finally, 2-hydroxy-naphthalene-3,6-disulfonic acid is reacted with an appropriate amount of sodium hydroxide or sodium carbonate, and the sulfonic acid group is combined with sodium metal ions to form 2-hydroxy-naphthalene-3,6-disulfonic acid. During the reaction, attention should be paid to the ratio of the material, so that the reaction can be fully carried out, and the water and other by-products generated by the reaction can be properly handled to obtain a pure 2-hydroxy-naphthalene-3,6-disulfonic acid sodium product. Although there is no ancient method to rely on, the chemical technology of today can be used to produce this substance.

What is the price range of 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate in the market?

2-Hydroxynaphthalene-3,6-disulfonate disodium, in the market price range, it is difficult to determine. The price of the cover often changes for many reasons.
First, the price of raw materials is the main factor. If the raw material of this product rises and falls, the price of the finished product will also move. If the raw material is scarce or difficult to harvest, its price will rise, causing the price of 2-hydroxynaphthalene-3,6-disulfonate disodium to rise; conversely, if the raw material is abundant and easy to obtain, the price may decline.
Second, the trend of supply and demand affects its price. If the market faces a strong demand for this product, but the output is limited, the price will rise; if the demand is weak and the supply is surplus, the merchant may reduce the price in order to sell its goods.
Third, the difference in process also has an impact. Advanced preparation technology may reduce costs, improve production efficiency, and make the price competitive; while outdated technology has high cost and low production efficiency, and the price may be high.
Fourth, the situation of market competition is related to price. There are many merchants in the city, and the competition is intense. In order to compete for customers, there may be price reductions; if the merchants are few and have a strong monopoly, the price may be high.
According to past market conditions and market conditions, the price of this product is between tens of yuan and hundreds of yuan per kilogram. However, this is only an approximation, and market conditions change. To know the exact price, you need to consult the chemical product supplier in detail, or check the actual price of recent market transactions.

What are the storage conditions for 2-Hydroxy Naphthalene-3,6-Disodium Disulfonate?

2-Hydroxynaphthalene-3,6-sodium disulfonate dihydrate is a fine chemical. Its storage conditions are crucial to the quality and stability of this product. According to the concept of "Tiangong Kaiwu", everything follows the principles of nature, and so should the preservation of materials.
Bear the brunt first and need to be placed in a dry place. This product is easy to absorb moisture. If it is in a humid place, moisture will invade, or cause it to dissolve and agglomerate, which will damage its inherent structure and properties. As "Tiangong Kaiwu" says about the weight of moisture-proof materials, limestone is used to absorb moisture and other protective materials. This product also needs a dry environment. A dry warehouse can be selected, and a dehumidification device is equipped inside. Keep the air dry, and the humidity should be controlled below 40%.
Second, it should be protected from light. Under light, this chemical may cause photochemical reactions, causing changes in composition, color and luster, and damaging its quality. Just like the move of hiding objects in "Tiangong Kaiwu" to avoid light, it should be stored in a dark container or warehouse to prevent direct sunlight. If it is in a transparent container, a light shield should be set.
Furthermore, the temperature should be stable. Too high temperature may promote decomposition and volatilization; too low temperature may cause crystallization and morphology changes. According to "Tiangong Kaiwu", the temperature should be maintained between 5 ° C and 30 ° C. Temperature-controlled warehouses or air-conditioning equipment can be set to ensure constant temperature.
In addition, this product should be stored away from fire sources, heat sources and oxidants. It has certain chemical activity, and it will cause safety problems in case of fire, high temperature or oxidant, or violent reaction. Just like the prevention of flammable and explosive materials in "Tiangong Kaiwu", it needs to be stored in separate zones, with obvious warning signs, and equipped with fire extinguishing and emergency devices.
In summary, the storage of 2-hydroxy naphthalene-3,6-disulfonate sodium dihydrate needs to be dry, protected from light, temperature-controlled, and protected from fire sources. Follow the principles of nature and safety to ensure the quality of this material.