2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	655492
Chemical Formula	C10H9NO5S
Molar Mass	255.25 g/mol
Appearance	usually a solid
Solubility In Water	soluble to some extent
Acidic Nature	sulfonic acid group makes it acidic
Aromatic Character	contains naphthalene ring, aromatic
Color	might be colorless to light - colored
Stability	stable under normal conditions
Reactivity	can react with bases, nucleophiles
Uses	used in dye - stuff industry

Packing & Storage

Packing	250g of 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid in sealed chemical - grade bags.
Storage	2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat and direct sunlight. Keep it in a tightly closed container to prevent moisture absorption and contact with air, which could potentially lead to degradation. Store separately from oxidizing agents and incompatible substances to avoid chemical reactions.
Shipping	2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid is shipped in sealed, corrosion - resistant containers. Special handling precautions are taken due to its chemical nature. Shipments follow strict safety regulations for hazardous chemicals.

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2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid

General Information

Historical Development

The rise of 2-naphthylamine-5-hydroxy-7-sulfonic acid began with the study of chemical sages in the past. At that time, I was thirsty for knowledge and unremitting exploration. Among the complex chemical substances, I paid attention to this. At the beginning, I only had a brief glimpse of its nature, but my ancestors did not give up, tried repeatedly, analyzed its components, and studied its reactions. As the years go by, skills improve, and the understanding of 2-naphthylamine-5-hydroxy-7-sulfonic acid deepens. From simple identification to precise control of synthesis, it has gone through twists and turns. In the past, it relied more on manual work, but now it is well-equipped, and the yield and quality have been greatly improved. Past research has laid the foundation for today's development, and those who come later should also carry on their ambitions to make this object play a greater role in the fields of chemistry and continue the brilliance of chemical development.

Product Overview

There is a substance today called 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid. This substance is also a chemical product and is very important for scientific research.
Its properties are unique. Its molecular structure is exquisite, derived from naphthalene rings, and the amine group, hydroxyl group and sulfonic acid group are cleverly connected. This structure gives it a different chemical activity.
In terms of use, it is often a key raw material in the field of dye preparation. After a series of chemical reactions, dyes with bright color and good fastness can be prepared, which can be used for fabric dyeing to make fabrics colorful and lasting. In the field of pharmaceutical research and development, it also has potential value, or can be used as a lead compound to provide ideas and bases for the creation of new drugs.
In summary, although 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid is a micro-chemical, it can play an important role in many fields and is worthy of our in-depth study.

Physical & Chemical Properties

In 2024, the physicochemical properties of 2-naphthylamine-5-hydroxy-7-sulfonic acid are of great importance in our field of chemical research. This compound has a white to slightly yellow powder in color and has a certain solubility in water.
Looking at its melting point, it is about a specific range. This property is extremely critical in the identification and purity determination of substances. In terms of boiling point, there are also corresponding values, reflecting the energy conditions required for its gasification.
Its chemical stability is quite good, and it is not easy to react quickly with most substances under common conditions. However, in a specific acid-base environment or when encountering strong oxidizing agents, specific chemical reactions can occur to generate new products. This is something that our research needs to pay attention to in detail, and it is related to the wide application and in-depth exploration of this compound.

Technical Specifications & Labeling

Today there is a product called 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid. The process specification and identification (commodity parameters) of the product should be carefully studied.
For the process specification, the selection of raw materials must be required to be pure, and the impurities must be kept small. The preparation method should follow the established procedure, and the heat, time, and dosage of the drug should not be slightly poor. The reaction device must also be clean and intact to prevent foreign objects from disturbing it.
In terms of identification (commodity parameters), its shape, color, and taste should be clearly stated. The amount of content and the level of purity are all key numbers, which must be confirmed for inspection. In this way, we can obtain the best of this thing to meet the needs of all parties and live up to our research.

Preparation Method

This product of 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid, its raw materials and production process, reaction steps and catalytic mechanism are very critical.
First take naphthylamine as the base material, blend it with an appropriate amount of sulfuric acid, and stir it slowly under a specific temperature. This step requires precise temperature control, so that naphthylamine is properly sulfonated to obtain sulfonic acid intermediates.
Next, add an appropriate amount of hydroxylating reagents, such as an alcohol or phenol, with the help of catalysis, to promote it to merge with sulfonic acid to form hydroxylated products. The choice of catalysis is related to the reaction rate and rate, so it must be done with caution.
After the hydroxylation is completed, adjust its pH to make the reaction go forward. After separation and purification methods, such as filtration and separation, removing impurities and storing sperm, the final product is 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid. Each step should be carefully observed to ensure the quality of the product.

Chemical Reactions & Modifications

Modern chemistry has flourished, and it has delved deeper and deeper into the wonders of material changes. In today's discussion of 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid, the wonders of its chemical reaction and modification are worth exploring.
The reaction of this substance is related to the principle of chemical combination and decomposition. Under specific conditions, it can be combined with various reagents and undergo wonderful changes. Or due to differences in temperature, or differences in pH.
As for modification, it is to optimize its properties. Chemical means can be used to add or subtract atomic groups to make them have different characteristics. Or increase its stability, or enhance its activity, for various purposes.
We study this substance, understand its reaction mechanism, and explore the method of modification. In this way, we can benefit from the field of chemistry, be used by the world, and become a wonder of creation.

Synonyms & Product Names

2-Naphthylamine-5-hydroxy-7-sulfonic acid, which is also known as many. In the past, it was also called "monosodium salt of chromotropic acid", and it was also called "5-amino-2-naphthol-7-sulfonic acid". Its trade names are also rich, such as "C.I. Acid Red 114 Intermediate".
These various synonyms are often seen in the chemical classics and Fangjia writings of the past. Although the names are different, they actually refer to the same thing. Chemical researchers and practitioners all understand this connection, and when the classics are studied and applied in practice, they can be correct and not confused, so as to facilitate the smooth operation of the chemical industry.

Safety & Operational Standards

On June 1, 2024, the chemical industry is developing rapidly. 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid is a key chemical product, and its safe production and standardized operation are of paramount importance.
In the place of production, it is necessary to strictly abide by the rules of space layout. Each production device and storage warehouse must be arranged in accordance with safety standards, with sufficient safety spacing in between to prevent the spread of fire and the expansion of accidents. And the passage must be unobstructed for emergency evacuation.
When operating, all processes should be accurate. From the release of raw materials to the control of reaction conditions, such as temperature, pressure, duration, etc., all must follow the established procedures. Operators should have undergone rigorous training, be familiar with the requirements of operation, and hold professional certificates before they can work. During operation, they should also wear protective gear, such as protective clothing, gloves, masks, etc., to protect their own safety.
Furthermore, the maintenance of equipment should not be slack. Regular maintenance of production equipment to check for any signs of damage or leakage to ensure stable operation. Storage containers should also be sturdy and intact to prevent material leakage and outflow.
As for waste disposal, it is also necessary to follow regulations. Waste from the production of 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid, which may be toxic or corrosive, must be collected and properly disposed of, and cannot be discarded at will to avoid polluting the environment and harming life.
Only in this safe production and standardized operation, all aspects are carefully carried out, so that the chemical industry can move forward steadily, not only to ensure the efficiency of production, but also to protect the safety of personnel and the environment.

Application Area

2-Naphthylamine-5-hydroxy-7-sulfonic acid, which has a wide range of uses. In the dyeing and weaving industry, it can be used as a raw material for dye synthesis. Through exquisite methods, it can make brilliant dyes, dye fabrics with colorful colors and lasting colors. It is used in clothing, home textiles, and adds color to life. In the field of scientific research, it is an important chemical reagent, helping chemists explore the properties of substances and research the principles of reactions, and promoting the expansion of chemical knowledge. It also has traces in the field of medicine, or it is a starting material for drug research and development, helping to create good medicines for treating diseases and saving people, and protecting the health of the people. Many application fields have shown their extraordinary value and made great contributions to the development of various industries.

Research & Development

In recent years, in the field of chemical products, I have devoted myself to the study of 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid. Its unique nature and wide range of uses are related to the prosperity of many industries.
At the beginning, exploring the method of its preparation encountered many difficulties. The selection of raw materials and the control of conditions all need to be carefully considered. After repeated tests, a more stable and good method can be obtained.
Then, study its application. In the dye industry, add its color beauty, so that it will not fade for a long time; in the field of medicine, it also develops potential, or is the basis for new agents.
Looking to the future, we hope to deeply explore its characteristics and broaden the scope of application. We hope to work together with our colleagues to make this product shine in various industries, promote the progress of the industry, and contribute to the development of the world.

Toxicity Research

The industry of chemical industry is related to people's livelihood, but the investigation of poisons should not be ignored. In today's words, 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid, the study of its toxicity is very important.
Consider the past, the harm of poisons, the harm of life. Although this compound is used in some fields, its potential toxicity must be observed. We use scientific methods to study its properties in detail, explore its response in living organisms, and observe its impact on the environment.
In other words, its toxicity can cause changes in the body and damage the ability of the viscera. In the environment, it can also disturb the balance of ecology. Therefore, our generation should be careful, with a rigorous heart, deplete the source of its toxicity, and seek protection strategies, hoping to avoid its harm, protect the well-being of all living beings, protect the peace of heaven and earth, and do not make poisons a disaster to the world, so as to live up to the responsibility of scientific research.

Future Prospects

I have studied the product of 2 - Naphthylamine - 5 - Hydroxy - 7 - Sulfonic Acid. Looking at the current situation, this product is used in the field of chemical industry, and its use is becoming more and more extensive, but it also encounters various challenges.
In today's world, science and technology are changing day by day, and everyone hopes that it can be more suitable for environmental protection, reduce pollution and harm. The way of research and development is to find a cleaner way to improve production and quality without damaging the environment.
And the market competition is intensifying. If you want to be neutral, you must innovate and change. Or you can explore its new uses and expand its sales to meet the ever-changing market.
In the future, if we can gather the wisdom of the crowd, break the barriers of technology, and follow the tide of environmental protection, this product will surely be able to rejuvenate and shine in the forest of chemical industry, and be used by the world.

Frequently Asked Questions

What are the main uses of 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid?

2-Naphthylamine-5-hydroxy-7-sulfonic acid, which is widely used. In the dye industry, it is a key intermediate for the preparation of a variety of dyes. It can interact with other compounds through specific chemical reactions to synthesize colorful and high-performance dyes, which can be used in the dyeing process of fabrics, leather and other materials, making it colorful and enhancing the aesthetics and commercial value of products.
In the field of pigments, it also plays an important role. It can participate in the synthesis process of pigments, and the resulting pigments have good light resistance, weather resistance and other characteristics. They are widely used in coatings, inks and other industries to give lasting and bright colors to various products.
In addition, in the preparation of some special chemicals, 2-naphthylamine-5-hydroxy-7-sulfonic acid is also an important raw material. With its unique chemical structure, chemicals with specific functions can be constructed through a series of reactions to meet the needs of different industrial production and scientific research fields.
In short, 2-naphthylamine-5-hydroxy-7-sulfonic acid plays a key role in many branches of the chemical industry and plays an indispensable role in promoting the development of related industries.

What are the physical properties of 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid?

2-Naphthylamine-5-hydroxy-7-sulfonic acid, this is an organic compound with specific physical properties. In terms of its color state, it is often white to light yellow crystalline powder, and it is delicate in appearance, like the light snow that falls at the beginning of winter. The color is light and the quality is uniform.
The melting point is about 300 ° C, just like a strong fortress. It needs to reach this specific temperature in order to change its original form and gradually melt from the solid state. The solubility of
is unique, and it can show certain solubility characteristics in water. Just like a fish entering water, it can find a shelter between water molecules and form a uniform and stable solution. In organic solvents such as ethanol and ether, it also has a certain solubility, but the degree may be different compared to in water.
Stability is very critical. Under normal environmental conditions, it can maintain the stability of its own chemical structure, just like a calm person, and it is not surprising. When encountering strong oxidants, strong acids, strong bases and other substances, it is like a docile person who encounters provocation and is prone to chemical reactions, causing changes in its own structure.
In addition, the substance has a weak smell, close to a fine smell, only a very light smell, neither pungent nor strong, as if hidden behind the scenes, and does not easily reveal its own existence.
The physical properties of 2-naphthylamine-5-hydroxy-7-sulfonic acid have far-reaching implications in the fields of chemical industry and medicine, laying the foundation for related research and applications.

What are the chemical properties of 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid?

2-Naphthylamine-5-hydroxy-7-sulfonic acid is a unique characteristic among organic compounds. Its properties can be viewed from many aspects.
In color state, it is often white to beige crystalline powder. This state makes it easy to disperse and handle in many scenarios.
Solubility is quite critical. In water, it has a certain ability to dissolve and can form a solution, but the degree of solubility is affected by temperature. When heating up, the solubility may increase, and it can be better dispersed in the water system. In organic solvents, its solubility varies. For example, some polar organic solvents, or have good solubility to them, can help them participate in the reaction in the organic synthesis step.
Acidity is an important property. Because it contains sulfonic acid groups, it is acidic and can be neutralized with alkali substances. In this reaction, the hydrogen of the sulfonic acid group dissociates and combines with the cations in the base to form corresponding salts and water. This property is very useful in the preparation of its salt derivatives in chemical production.
Stability also needs to be considered. Under normal conditions, it has a certain stability. However, in case of high temperature, strong oxidizing agents, etc., the structure may change. At high temperature, the chemical bond vibration in the molecule intensifies, or the bond is broken, causing decomposition; in the presence of strong oxidizing agents, some groups in the molecule may be oxidized, changing their chemical structure and properties.
Its chemical activity is high. Amino, hydroxyl and other reactive groups make it easy to participate in a variety of reactions. For example, when reacted with acid chloride, amino groups can be acylated to form amide products; hydroxyl groups can react with acid anhydrides to achieve esterification and obtain ester compounds. These reactions are of great significance in the synthesis of medicines, dyes and other products in fine chemicals.
The above chemical properties of 2-naphthylamine-5-hydroxy-7-sulfonic acid are used in chemical synthesis, material preparation and other fields as an important basis to help researchers and producers make better use of this compound to obtain desired products.

What is the production method of 2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid?

The preparation method of 2-naphthylamine-5-hydroxy-7-sulfonic acid was more elegant in the past. The preparation method probably starts with naphthalene, and is obtained by sulfonation, nitration, reduction and other steps.
First, naphthalene is used as raw material to co-heat with sulfuric acid to perform sulfonation. When sulfonating, choose the appropriate temperature and control the appropriate time to ensure that the sulfonic acid group enters the naphthalene ring. This step can obtain naphthalene sulfonic acid. Then nitrification is applied, and mixed acid (a mixture of nitric acid and sulfuric acid) is used to introduce nitro into the naphthalene ring to form nitronaphthalene sulfonic acid. When nitrifying, the ratio of temperature to acid is important, and if you are not careful, the product will be impure. After
, the nitro group is transformed into an amino group by reduction. Iron powder, hydrochloric acid, etc. are often used as reducing agents. Under suitable temperature and pressure, the nitro group gradually converts to an amino group, and the final product is 2-naphthylamine-5-hydroxy-7-sulfonic acid. However, this method also has disadvantages. After the reduction of iron powder, the disposal of iron mud is complicated, and the product separation is not easy.
There are other methods, such as naphthol sulfonic acid as the beginning, obtained by amination. Naphthol sulfonic acid is co-heated with ammonia and a catalyst to undergo an amination reaction. Among them, the choice of catalyst, the control of temperature and pressure, have a great impact on the rate and quality of the product. This method is relatively simple, the product is pure, and the separation is easy, which is gradually valued by everyone. The preparation method, with the progress of the technique, should also have a new way to seek better yield and quality.

2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid during storage and transportation

2-Naphthylamine-5-hydroxy-7-sulfonic acid, which is an important organic compound in the field of fine chemicals. During storage and transportation, many key matters must be paid attention to to to ensure its quality and safety.
Let's talk about storage first. First, this compound is prone to moisture and deterioration, so it should be stored in a dry place. The humidity in the warehouse must be strictly controlled and not too high, so as to prevent it from causing chemical reactions due to excessive humidity and affecting the quality. Second, it is also quite sensitive to temperature and should be stored in a cool place. The temperature should not be too high, otherwise it will accelerate its decomposition or cause other adverse reactions. Third, because of its certain chemical activity, it should be stored separately from oxidants, acids, alkalis and other substances, and must not be mixed to avoid danger caused by interaction. Fourth, the storage place must be well ventilated to avoid the accumulation of its volatile gas in a limited space and reduce latent risk.
As for transportation, first of all, the packaging must be tight and firm, and suitable packaging materials should be selected to prevent the packaging from being damaged due to collision, vibration, etc. during transportation, resulting in leakage and harm. Secondly, the transportation vehicle should take protective measures to avoid direct sunlight, and have good heat insulation and ventilation conditions to prevent temperature abnormalities. Furthermore, during transportation, it is necessary to ensure that the vehicle runs smoothly and minimize bumps and vibrations to avoid adverse effects on the compound. Fourth, transport personnel must be familiar with the characteristics of the compound and emergency treatment methods, and be able to respond quickly and correctly in the event of an accident. In short, the storage and transportation of 2-naphthylamine-5-hydroxy-7-sulfonic acid requires comprehensive consideration of its chemical properties and strict implementation of various protective measures to ensure the safety of the entire process.