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Sulfonic Acid Series

Sulfamic Acid Series

Guanidine Series

Naphthylamine-4-Sulfonic Acid Sodium Salt

Specifications

HS Code	512990
Chemical Formula	C10H8NNaO3S
Molecular Weight	245.23
Appearance	white to light yellow crystalline powder
Solubility	soluble in water
Ph	alkaline in aqueous solution
Melting Point	decomposes
Stability	stable under normal conditions
Hazard Class	irritant
Cas Number	130-13-2
Application	used in the synthesis of dyes and pigments
Odor	odorless

As an accredited Naphthylamine-4-Sulfonic Acid Sodium Salt factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	500g of Naphthylamine - 4 - Sulfonic Acid Sodium Salt in sealed chemical - grade packaging.
Storage	Naphthylamine - 4 - Sulfonic Acid Sodium Salt should be stored in a cool, dry, and well - ventilated area. Keep it away from heat sources, flames, and oxidizing agents. Store in a tightly - sealed container to prevent moisture absorption and contact with air, which could lead to degradation. It is also crucial to store it separately from incompatible substances to avoid potential chemical reactions.
Shipping	Naphthylamine - 4 - Sulfonic Acid Sodium Salt is shipped in well - sealed containers to prevent exposure. Transport follows strict chemical regulations, ensuring safe handling during transit to avoid any potential hazards.

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Naphthylamine-4-Sulfonic Acid Sodium Salt

General Information

Historical Development

Naphthylamine - 4 - Sulfonic Acid Sodium Salt is an important chemical product. Tracing back to its origin, chemists in the past gradually discovered the unique properties and potential uses of this compound when they were exploring substances.
At the beginning, the understanding of it was still shallow, and only a little bit of its basic characteristics were known. However, as the years went by, a group of chemists made unremitting explorations and made continuous improvements in the synthesis method. From the early rough attempts, to the later refinement of the process, the output can be more accurately controlled, and the purity has also been greatly improved.
This product has gradually become widely used, emerging in many fields, or as a raw material for chemical production, or as a key medium in specific reactions. Its development process is a vivid portrayal of one of the evolutions of chemistry, witnessing the wisdom and unremitting efforts of scholars of all ages, from ignorance to clarity, from simple to profound, and constantly expanding the application scope of this compound in the world.

Product Overview

Today there is a thing called Naphthylamine - 4 - Sulfonic Acid Sodium Salt. Its shape is also a chemical product. The nature of this product has specific chemical characteristics. Its production is made by various chemical methods.
This product has a wide range of uses and is used in many fields. Or it is a raw material for chemical synthesis, participates in various delicate reactions, and helps to produce other things; or in a specific process, plays a key role, and affects the flow of the flow.
In terms of its importance, in the field of chemical industry, it is like a beam and a pillar in a large building. Without it, everything is difficult to achieve. Its impact is related to the quality of the product and the efficiency of the process. Therefore, in chemical research and production, it is essential to pay attention to it.

Physical & Chemical Properties

"Physicochemical Properties of Sodium Naphthylamine-4-Sulfonate"
Sodium naphthylamine-4-sulfonate is an important substance for chemical research. Its physical properties, at room temperature, are often white crystalline, with fine texture and a certain luster. Looking at its solubility, it is soluble in water. When dissolved, the solution is clear and there is no obvious impurity precipitation.
When it comes to chemical properties, this substance has a certain stability. However, when it encounters strong oxidants, it is prone to chemical reactions and structural changes. Its chemical activity can be revealed under specific conditions and can participate in a variety of organic synthesis reactions. In an environment with suitable temperature and pH, it can be cleverly combined with other compounds to form new products. Chemists study this substance and pay more attention to the mechanism and conditions of its participation in the reaction, hoping to make better use of it and contribute to the development of the chemical industry.

Technical Specifications & Labeling

Naphthylamine - 4 - Sulfonic Acid Sodium Salt is an important chemical raw material. Its technical specifications and standards (product parameters) are the key. Looking at this product, the color should be pure, without noise disturbance, and it should be as white as snow. Its purity must reach a very high standard, not less than 99%, which is the basis of quality.
In terms of solubility, it should be able to dissolve quickly in water, and the solution should be clear and translucent, without the slightest appearance of precipitation. The particle size is also exquisite, and it should be uniform and moderate, so that it can play a good role in various reactions.
The method of testing requires precise instruments and strict procedures. Its composition is measured by spectroscopy and its purity is determined by chemical titration, which cannot be wrong. Only in this way can we ensure the high quality of Naphthylamine - 4 - Sulfonic Acid Sodium Salt to meet the needs of all parties.

Preparation Method

The raw materials and production process are the key to the preparation of Naphthylamine-4-Sulfonic Acid Sodium Salt. Take an appropriate amount of naphthylamine, dissolve it in a specific solvent, and its state is clear. Then, slowly add the sulfonating reagent. During this process, the temperature should be controlled moderately to ensure a smooth reaction. After the sulfonation is completed, add the alkali dropwise to adjust its pH to form a sodium salt. This reaction step is interlocking and cannot be wrong.
After the reaction is completed, considering the purification mechanism, the impurities are removed by filtration, and the filtrate is clear. After the recrystallization process, pure Naphthylamine-4-Sulfonic Acid Sodium Salt crystals are precipitated, which are like fine sand and pure white color. The entire preparation process, including the selection of raw materials, reaction steps, and purification mechanism, requires fine control in order to produce high-quality products.

Chemical Reactions & Modifications

In Naphthylamine - 4 - Sulfonic Acid Sodium Salt, I have explored many things. The wonder of its chemical reaction is related to the change of performance, which cannot be ignored.
In past experiments, it is common that the chemical reaction is complicated, and the conditions are slightly different, the results are different. Or due to the fluctuation of temperature, or the amount of reagents, the product is impure and the performance is not as expected.
After repeated research, the path is improved. Adjust the temperature to a precise degree and optimize the ratio of reagents. In this way, the chemical reaction should gradually stabilize, the quality of the product can be improved, and the performance is also excellent.
It can be seen that in the chemical industry, it is necessary to explore the chemical reaction and improve the performance with a rigorous heart and repeated practice in order to gain insight into it, make progress, and contribute to the chemical industry.

Synonyms & Product Names

Today there is a thing called Naphthylamine - 4 - Sulfonic Acid Sodium Salt. The synonyms of this thing and the trade name are quite elegant. Its synonyms are either named according to its chemical structure characteristics, or according to the naming convention of past research. As for the trade name, it is related to business operation and market identification.
In the past, scholars used to name chemical substances, often due to differences in regions and research groups. This Naphthylamine - 4 - Sulfonic Acid Sodium Salt, or at a certain time and place, due to similar chemical properties or structural association, gets a nickname and becomes a synonym. The establishment of a trade name must consider marketing activities, product characteristics display, etc. Or highlight its outstanding effectiveness in a certain field, or highlight the unique craftsmanship of the manufacturer to distinguish it from others and attract the attention of buyers. In this way, although synonyms and trade names refer to the same thing, their sources and uses are different, and they are the hallmarks of chemical substances in academia and business.

Safety & Operational Standards

"Specifications for the Safety and Operation of Naphthylamine-4-Sulfonate, Sodium Salts"
For sodium salts of naphthylamine-4-sulfonate, it is also a chemical product. During its production and use, safety and operation standards are of paramount importance.
In terms of safety, this compound may pose a certain risk. When storing, it should be placed in a cool, dry and well-ventilated place, away from fire and heat sources to prevent it from being decomposed by heat or causing other hazards. When using, be sure to wear appropriate protective clothing, such as protective clothing, gloves, goggles, etc., to avoid contact with the skin, eyes and injury to the body. In case of accidental contact, rinse with a large amount of water quickly, and seek medical treatment according to the severity of the injury.
In terms of operating specifications, all steps in the production process must strictly abide by the established procedures. From the ratio of raw materials to the control of reaction conditions, such as temperature, pressure, reaction time, etc., do not be sloppy at all. A slight poor pool, or cause abnormal reaction, affect the quality of the product, or even cause safety accidents. When using, you should also follow the corresponding instructions, use it according to the correct method and dosage, and do not change it without authorization.
Furthermore, the disposal of waste should not be ignored. It should not be discarded at will, and it should be properly disposed of in accordance with environmental protection requirements to prevent environmental pollution. In this way, it is necessary to ensure that naphthylamine-4-sulfonate sodium salt is safe and compliant throughout the life cycle.

Application Area

Today there is a product called Naphthylamine - 4 - Sulfonic Acid Sodium Salt. This product has a wide range of uses. In the field of printing and dyeing, it can be used as a dye intermediate to help bright and lasting colors, make fabrics gorgeous, add color to clothing, and is also used for paper dyeing to make paper products rich in color. In the pharmaceutical and chemical industry, it can be used as a raw material for synthetic drugs, help the research and development of new drugs, or have specific pharmacological activities, and contribute to the treatment and rescue of patients. In the field of analysis and testing, it can be used as a reagent to detect the composition of substances by virtue of its characteristics, helping researchers to gain insight into the microscopic chemical world and clarify the properties and compositions of substances. From this point of view, Naphthylamine - 4 - Sulfonic Acid Sodium Salt has important value in many application fields and is an indispensable chemical.

Research & Development

I am dedicated to the research of Naphthylamine - 4 - Sulfonic Acid Sodium Salt. This compound is of great value and has potential uses in many fields.
At the beginning, we studied its chemical structure and properties in detail, explored the subtlety of its molecular composition, and understood its essence. After repeated experiments, we observed its reaction under different conditions, such as changes in temperature and pH.
Then, we explored the method of its preparation, and strived to optimize the process, improve the yield and purity. After unremitting efforts, we made some gains, and the preparation process was gradually improved.
Looking to the future, we will expand its application scope, hope to make it shine in the fields of materials science, biomedicine, etc., promote the development of related industries, benefit the world, and achieve the ambition of research and development.

Toxicity Research

Since modern times, chemical refinement has emerged, and various chemical products have emerged one after another. The toxicity of Naphthylamine-4 - Sulfonic Acid Sodium Salt is particularly important.
Examine its molecular structure, containing naphthalamine and sulfonate sodium salts, or potentially harmful. After various experiments, in organisms, or cause metabolic disorders. At the cellular level, or damage cell structure and function.
Its toxicity occurs in a variety of ways, including oral ingestion, skin contact, respiratory inhalation, which can cause disease. After entering the body, or accumulated in the organs, harmful to health. Or cause gene mutation, the risk of cancer increases sharply.
In summary, the study of the toxicity of Naphthylamine - 4 - Sulfonic Acid Sodium Salt is of great significance. It can provide strong evidence for chemical production regulation, environmental monitoring, and human protection to avoid its harm, ensure people's well-being and tranquility of the environment.

Future Prospects

Today there is a thing called Naphthylamine - 4 - Sulfonic Acid Sodium Salt. The future development of this substance is quite promising. In the field of chemical industry, it may be a key raw material, giving birth to novel products and exploring the territory of new applications.
View the rapid progress of today's science and technology, and the demand for fine chemicals is increasing. This salt may emerge in materials science due to its unique chemistry, adding wings to high-end materials and making its performance outstanding.
Furthermore, the tide of environmental protection also brings new opportunities for it. If it can be deeply cultivated in green synthesis, recycling and other aspects, it will be able to conform to the general trend and occupy a place in the forest of future chemical industry. The prospect is bright and full of expectations.

Where to Buy Naphthylamine-4-Sulfonic Acid Sodium Salt in China?

As a trusted Naphthylamine-4-Sulfonic Acid Sodium Salt 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 Naphthylamine-4-Sulfonic Acid Sodium Salt supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

What are the main uses of Naphthylamine-4-Sulfonic Acid Sodium Salt?

Naphthylamine-4-sulfonic acid, sodium salt, is an important member of organic chemicals. It has a wide range of uses and is very important in the dye industry.
The primary use is to act as a key intermediate for synthetic dyes. It can interact with many other compounds through a series of chemical reactions and be carefully prepared to make a wide variety of colorful dyes. The dyes produced have good affinity for various fiber materials, such as cotton, linen, silk, wool, etc., and can give fabrics a bright color. It has good color fastness and is not easy to fade after repeated washing and lighting. Therefore, it is widely used in the textile printing and dyeing industry, which greatly enriches people's clothing colors.
Furthermore, it also has its own impact in the field of medicine. Due to its special chemical structure, it has a certain biological activity and can be used as a starting material for the synthesis of certain drugs. After chemical modification and transformation, drugs for specific diseases have been developed, contributing to human health.
In addition, it also plays an important role in leather, paper and other industries. In leather dyeing, it can make leather show rich color and enhance the aesthetics and commercial value of leather products; in the paper industry, it can be used for paper dyeing to meet the color needs of different paper products.
In short, naphthylamine-4-sulfonic acid, sodium salt, with its unique chemical properties, plays an indispensable role in many industrial fields and is of great significance to promote the development of related industries.

What are the physical properties of Naphthylamine-4-Sulfonic Acid Sodium Salt?

Naphthylamine-4-sulfonic acid, sodium salt, is one of the organic compounds. Its physical properties are as follows:
Viewed, it often takes the shape of white to off-white powder, which is easy to identify and handle. In terms of solubility, it is easily soluble in water, which makes it rapidly disperse and participate in reactions in many aqueous systems. And when dissolved, the ionization tendency is obvious, and sodium ions and naphthylamine-4-sulfonate ions can be dissociated, thus showing good water solubility and ionic activity.
In terms of melting point, it has a certain value, but it fluctuates slightly due to the preparation process and the influence of impurities. This melting point property is crucial in the identification, separation and purification of substances. At a specific temperature, it changes from a solid state to a liquid state, and this transition temperature can be used as an important indicator to determine the purity and characteristics of the substance.
Furthermore, its density is also an important physical property. Under specific conditions, there is a corresponding density value. Compared with other substances, this value can be used to know its position in the mixture, which is of great significance for separation and mixing operations.
In addition, the stability of naphthylamine-4-sulfonic acid and sodium salts is also a physical property consideration. It is quite stable at room temperature and pressure without the interference of special chemical substances. In case of high temperature, strong light or specific chemical reagents, chemical changes may occur, and this stability affects its storage and transportation conditions. It needs to be stored in a dry, cool and protected from strong light to prevent deterioration.
In summary, the physical properties of naphthylamine-4-sulfonic acid, sodium salts, such as appearance, solubility, melting point, density and stability, are of great significance for applications and research in chemical, pharmaceutical and other fields.

Naphthylamine-4-Sulfonic the chemistry of Acid Sodium Salt

Naphthylamine-4-sulfonic acid, sodium salt, is one of the organic compounds. Its properties have specific chemical properties.
This substance is in the color state, often in the form of a solid, mostly in the form of powder or crystal. In terms of its solubility, it is soluble in water. Because the molecular structure contains the sulfonate sodium salt part, it is hydrophilic, so it can interact with water molecules and dissolve.
Its chemical activity, the sulfonate sodium salt part can participate in reactions such as ion exchange. The naphthylamine part, due to the conjugated structure of the naphthalene ring, has a certain electron cloud distribution and can participate in reactions such as electrophilic substitution. In the field of organic synthesis, it can be an important intermediate. Other functional groups can be introduced through specific reaction paths to prepare a variety of organic compounds.
Because its structure contains elements such as nitrogen and sulfur, under certain conditions, it can participate in reactions involving the transformation of these elements. However, its reactivity is also restricted by surrounding groups and reaction conditions. Changes in temperature, pH and other conditions can make the reaction process different from the product. Its chemical properties are complex and delicate, and it is of great significance in chemical research and industrial production. It can provide the basis and possibility for many organic synthesis reactions.

What is the production method of Naphthylamine-4-Sulfonic Acid Sodium Salt?

Naphthylamine-4-sulfonic acid, sodium salt, in the past, probably started with naphthalene, and nitronaphthalene was obtained by nitration. The concentration and amount of nitric acid used are fixed, and the temperature and time of the reaction need to be carefully controlled, so that the nitro group can be added to the specific position of the naphthalene ring to obtain the target nitro-naphthalene product.
Then, the nitro naphthalene is reduced by the method, and the nitro group is easily changed to the amino group to obtain the naphthalene amine. The reducing agent, often iron powder and hydrochloric acid, etc., work together to gradually transform the nitro group and finally form the amino group. In this process, the ratio of materials and the reaction environment are all related to the quality and quantity of the product.
The obtained naphthalamine is then sulfonated with sulfuric acid Sulfuric acid is strong in nature, and the dosage, temperature, and reaction timing are all important. On the occasion of sulfonation, the sulfonic acid group is cleverly added to the fourth position of naphthylamine, and then it becomes naphthylamine-4-sulfonic acid.
At the end, naphthylamine-4-sulfonic acid interacts with bases such as sodium hydroxide, neutralizes the acid and base, and forms the sulfonic acid into a sodium salt. After separation and purification methods, such as crystallization, filtration, washing, and drying, pure naphthylamine-4-sulfonic acid and sodium salt can be obtained. Every step requires careful attention and micro-understanding by workers to obtain high-quality products.

What are the precautions in the use of Naphthylamine-4-Sulfonic Acid Sodium Salt?

The sodium salt of naphthylamine-4-sulfonic acid is a commonly used chemical product. When using it, many things need to be paid attention to.
First, it is related to safety protection. This substance is toxic and irritating, and it must be well protected when it comes into contact. Wear suitable protective clothing, gloves and goggles to avoid skin contact and prevent eye contact. If it is accidentally touched, it should be rinsed with a lot of water immediately. If the situation is serious, seek medical treatment immediately. During the operation, also ensure good ventilation to avoid inhaling its dust or volatile gas. If inhalation is uncomfortable, seek medical attention in time.
Second, about storage methods. Store in a cool, dry and ventilated place, away from fire and heat sources. It needs to be stored separately from oxidizing agents, acids, alkalis, etc., and must not be mixed to prevent dangerous chemical reactions. At the same time, the storage area should be equipped with suitable containment materials to deal with possible leaks.
Third, it involves usage specifications. Before use, it is necessary to be familiar with its chemical properties and related reaction characteristics. Strictly follow the specified operating procedures, and the dosage is accurately controlled to avoid adverse consequences due to improper dosage. During the experiment or production process, the reaction conditions, such as temperature, pH, etc., need to be closely monitored and regulated to ensure a smooth and safe reaction. If there is any waste, it must not be discarded at will, and it should be properly disposed of in accordance with relevant environmental protection regulations to prevent pollution to the environment.
In short, the use of naphthalamine-4-sulfonic acid sodium salt, safe and standardized operation, is always the top priority, and no slack.