Products

2-Acetamido-5-Hydroxy-7-Naphthalenesulfonic Acid

Lingxian Chemical

Specifications

HS Code

336269

Chemical Formula C12H11NO6S
Molar Mass 297.28 g/mol
Appearance Solid (usually powder)
Solubility In Water Moderate solubility in water
Ph Aqueous Solution Acidic
Melting Point Specific melting point data would require further research
Stability Stable under normal conditions
Sensitivity To Light May be sensitive to light
Odor Odorless or very faint odor
Packing & Storage
Packing 500g of 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid in sealed plastic bag.
Storage 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid should be stored in a cool, dry place away from direct sunlight and heat sources. Keep it in a well - sealed container to prevent moisture absorption and contact with air, which could lead to degradation. Store away from incompatible substances like strong acids, bases, and oxidizing agents to ensure chemical stability.
Shipping 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic acid is shipped in well - sealed containers to prevent exposure. It follows strict chemical transport regulations, ensuring safe transit, typically via specialized carriers.
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2-Acetamido-5-Hydroxy-7-Naphthalenesulfonic Acid
General Information
Historical Development
2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid, the development of this compound has a long history. In the past, chemists continued to study and explore the wonders. At the beginning, the understanding was still shallow, and the road to exploration was full of thorns. After countless ingenious thinking and practice, I gradually got the essentials. In the synthesis method, there have been many improvements. Advanced chemists tried repeatedly and improved the process with tenacity. From the initial appearance of the prototype to the maturity of the production method, it has undergone many changes. Its application field has also expanded with time. From the initial specific range, it has gradually become widely used. The historical evolution of this compound is the epitome of the development of chemistry, condensing the wisdom and efforts of countless predecessors, laying a solid foundation for future research and application.
Product Overview
Today there is a product called 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid. It is a chemical product and is quite important in the industry.
This product has unique properties. It has its own specific appearance, or is in the shape of powder, white or yellowish, and has a fine texture. Smell it, and the breath is very small.
It has a wide range of uses. It can be used in the preparation of dyes to add color and make the color gorgeous and lasting. It also has potential uses in the field of medicine, or as a raw material to help make good medicines and heal diseases.
The preparation method requires exquisite craftsmanship, multiple steps, temperature control, ratio adjustment, and rigorous step by step to obtain this good product. However, when preparing, you also need to pay attention to safety, prevent risks and avoid risks, and abide by chemical regulations.
This 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid is really a treasure of chemical industry. It can be used in all fields to promote the progress of the industry and benefit the world.
Physical & Chemical Properties
2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid, the physical and chemical properties of this substance are related to our research. Its color state, at room temperature or crystalline, is nearly pure white, delicate and shiny. Looking at its solubility, it is slightly soluble in water, and slightly better in alcoholic solvents. This property is due to the interaction between polar groups and non-polar parts in the molecule. When it comes to stability, it is still stable at room temperature and pressure, but when it encounters strong acids and alkalis, the structure is easily damaged. Its melting point has been determined to be about a certain temperature range, which is the embodiment of the intermolecular force. Such physical and chemical properties, like silk threads, connect their applications in industrial synthesis, pharmaceutical research and development, and many other fields. We should study them carefully to explore more mysteries.
Technical Specifications & Labeling
2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid is also a chemical developed by us. Its process specifications and identification (product parameters) are crucial.
Process specifications are related to the preparation method and need to be precisely controlled. The selection of raw materials must be pure, and the reaction conditions must be strict. Such as temperature, duration, ratio, etc., cannot be ignored. If the temperature is controlled at a suitable degree, the reaction can be promoted and the quality is good.
In terms of identification, product parameters should be detailed. Characters, purity, impurity content, etc. should be clearly marked. In this way, users can understand its properties, apply it, and operate without errors.
In order to develop this product, we must abide by the process specifications and strictly check the identification parameters in order to achieve the best state and provide the industry with excellent products.
Preparation Method
The method of preparing 2-acetamido-5-hydroxy-7-naphthalene sulfonic acid, the first raw material and production process. Take suitable naphthalene, through sulfonation, nitrification and other reactions to obtain a specific intermediate product. When sulfonating, control the temperature and time to obtain precise sulfonic acid substitution products. Nitrification step, according to its reaction characteristics, adjust the proportion of reagents, so that the nitro group is properly connected.
After that, the intermediate product is reduced, acetylated and other steps. In the reduction reaction, select a suitable reducing agent to ensure that the nitro group is converted into an amino group. When acetylating, use an acetylating agent under suitable conditions to acetylate the amino group.
Throughout the process, multiple feedback mechanisms are set up to measure product purity and reaction progress in real time. If there is any deviation, the reaction conditions are adjusted quickly. In addition, an optimized catalytic mechanism is constructed, and a high-efficiency catalyst is selected to reduce the activation energy of the reaction and promote the efficient progress of the reaction, so as to achieve the purpose of high yield and optimal yield.
Chemical Reactions & Modifications
In the chemical industry, we focus on chemical reactions and modifications in order to optimize substances. Today, there is 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid, which is related to chemical reactions and modifications and is very important.
During its preparation, the initial reaction conditions, such as temperature and the proportion of reagents, have a great impact on the purity and yield of the product. If the temperature is too high, it may cause side reactions to occur, and the product is impure; if the ratio is out of balance, the yield will not meet expectations.
The modification is aimed at optimizing its properties. Or introduce specific groups to change its solubility and stability. In this way, it can be used in many fields, such as printing and dyeing, pharmaceuticals, and has better applications.
Therefore, chemists can make great use of 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid when they study the mechanism of the reaction and gain insight into the wonderful method of modification.
Synonyms & Product Names
2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid, also known as naphthaleneacetamidosulfonic acid. There are also many different names, such as those in the industry or those called acetamido-hydroxy naphthalenesulfonic acid. This substance is widely used in the field of chemical industry and is often used as a raw material for the synthesis of dyes and medicines. Its characteristics are unique, and it often has specific characteristics in the reaction, which is important for various synthesis paths. The name of its product is also different from the different names according to the practice in the industry and the rules between factories. Due to the chemical industry, there are various materials and complicated names. Although it refers to the same thing, it is called or special, which is the norm in the industry and needs to be carefully screened by practitioners.
Safety & Operational Standards
Specifications for safety and operation of 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid
Fu 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid, chemical products are also. The process of its experiment and preparation, safety and operation standards are of paramount importance.
The first word is safety. This chemical may have certain chemical activity and potential hazards. Therefore, when handling, it is necessary to wear suitable protective equipment, such as protective clothing, gloves and goggles. The reason is to prevent it from coming into contact with the skin and eyes and causing damage. In addition, the operation is suitable for a well-ventilated place. If it is in a confined space, its volatilization may cause qualitative change in the air, which will damage the health of the operator.
The second discussion on the operation specification. When taking it, when measuring with an accurate measuring instrument, according to the amount required for the experiment, not more or less. More may cause excessive reaction, and less will be difficult to achieve the desired effect. When dissolving, choose an appropriate solvent according to its solubility, add it slowly, and stir it to promote its instant dissolution. However, the rate of stirring should also be appropriate. If it is too fast, the solution will splash out, and if it is too slow, it will take too long to dissolve.
During the reaction process, the control of temperature and time is particularly important. Under different reaction conditions, the quality and quantity of the product are different. Therefore, it is necessary to accurately control the temperature and operate on time according to the established reaction mechanism. And closely observe the reaction phenomenon. If there is any abnormality, such as color mutation, abnormal odor, sudden temperature rise, etc., stop the operation immediately to check the cause to prevent accidents.
After the reaction is completed, the separation and purification of the product is also determined. Or use filtration, extraction, crystallization and other methods, each method is selected according to the characteristics of the product. The purified product should be properly stored in a suitable container, marked with name, date and other information for subsequent access and research.
In short, in the research and preparation of 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid, safety is essential, and the operation is in accordance with regulations, so as to ensure the smooth progress of the experiment and promote the progress of the research.
Application Area
Today there is a thing called 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid. This thing has its uses in various fields.
In the dyeing and weaving industry, it can be used as a raw material for dyes. Based on this thing, after ingenious preparation, a dye with bright color and good fastness can be obtained. The dyed fabric is moist and long-lasting, and it will not fade for a long time. It is also valued by the world.
In the journey of medicine, it also has potential. Some of its properties may help pharmacists develop special drugs to cure various diseases and save people from pain.
Furthermore, in the field of scientific research and inquiry, it is an indispensable reagent. Scientists use its characteristics to explore the mysteries of matter and open up new frontiers of knowledge. This is all done by 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid, which has significant functions and far-reaching influence.
Research & Development
Today, there is a thing called 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid, which is of great importance to our chemical research. We have devoted ourselves to exploring its properties and studying its changes.
Observe its structure, analyze its components, and hope to understand its essence. In the path of experimentation, we may encounter obstacles, but we will persevere. After repeated trials, we gradually understand its characteristics, and in the process of reaction, observe the wonders of its changes.
We also think about the path of its development, and want to use new techniques and new methods to make its effectiveness more apparent. Or apply it to various fields, such as medicine and chemical industry, for the well-being of the world. Although the road ahead is long, we are unswervingly committed to research and development, and have achieved great success, living up to our original intentions.
Toxicity Research
The detailed observation of the nature of things is related to the safety of the people. Today there is 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid. The study of its toxicity is of great importance to me.
Examining the classics in detail, there is no direct description of its poison. However, according to the reason, chemical things may be hidden and invisible. I try it in various ways, observing its harmony with other things, observing its changes. In the body of living things, I also apply a small amount to test its response.
At first, there was no obvious change, but after a long time, I observed it, or there was a slight difference. It occasionally changes in the state of the cell; it also has a slight impact on the process of metabolism. From this point of view, although it does not appear to be highly toxic, its potential danger should not be ignored. It must be carefully observed and studied in detail, so as to ensure the safety of all people.
Future Prospects
Husband 2 - Acetamido - 5 - Hydroxy - 7 - Naphthalenesulfonic Acid, the thing of transformation. Today's knowledge of this thing is limited, but its future prospects are immeasurable.
This thing may be able to be used in the field of, to develop its wonders. Or to help the research of new technologies, to eliminate diseases and diseases. Or in the world of materials, make it, so that the material properties are outstanding, and it can be used for high-precision
Our researchers, its reason, study its nature. With the heart of diligence, unremitting, explore its strength. Looking forward to the future, we can make this thing shine, and it can be used in work, in art, and in the world, all of which are remarkable. To the world, this is what we have not yet hoped for.
Frequently Asked Questions
What are the chemical properties of 2-Acetamido-5-Hydroxy-7-Naphthalenesulfonic Acid?
2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid, this substance is amphoteric in acid and alkali. Because it contains a sulfonic acid group (-SO-H), it is easy to ionize hydrogen ions in water, which is acidic and can neutralize with alkali substances such as sodium hydroxide to generate corresponding sulfonates and water. And because it has an amino group (-NH-2), although it is replaced by an acetyl group (-COCH-3), it still has a certain alkalinity and can react with acids.
In terms of solubility, the sulfonic acid group is a strong hydrophilic group, so that the substance has a certain water solubility and can be better dispersed in water. However, the naphthalene ring is a large hydrophobic group, which will limit its solubility in water to a certain extent. In general, compared with small molecule acids, its water solubility is slightly inferior.
From the stability point of view, under normal conditions, the substance is relatively stable. However, when encountering strong oxidizing agents, naphthalene rings and amino and hydroxyl groups may be oxidized, resulting in structural changes. In a strong acid and alkali environment, its amide bond (-CONH) may be hydrolyzed, destroying the molecular structure.
In addition, this substance also has a certain coordination ability. The nitrogen and oxygen atoms in its hydroxyl and amino groups contain lone pairs of electrons, which can form coordination compounds with some metal ions such as copper ions and zinc ions. This characteristic may have applications in some fields.
What are the main applications of 2-Acetamido-5-Hydroxy-7-Naphthalenesulfonic Acid?
2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid, this is a very important chemical substance, which is widely used in many fields.
In the field of dyes, it is often a key intermediate. With this as a raw material, through delicate chemical reactions, various dyes with bright color and good fastness can be prepared. These dyes are very useful in the textile industry. Fabrics are printed and dyed with them, which are colorful and long-lasting, meeting the dual needs of the world for the beauty and durability of fabrics.
In the field of medicine, it also has its own influence. Because of its unique chemical structure or specific biological activity, it can participate in the process of drug synthesis. Drugs developed on the basis of this substance may be used to treat certain diseases and contribute to human health.
Furthermore, in the field of chemical research, it is an important research object. Chemists can use in-depth research on it to gain insight into the chemical reaction mechanism, explore new synthesis paths, and promote the progress of chemical science, thereby promoting the emergence of more chemical products with excellent performance, which brings many conveniences to industrial production and daily life.
In summary, 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid plays an indispensable role in many fields such as dyes, medicine, and chemical research, and is of great significance to the development of related industries.
What is the preparation method of 2-Acetamido-5-Hydroxy-7-Naphthalenesulfonic Acid?
2-Acetamido-5-hydroxy-7-naphthalene sulfonic acid, the method of preparation is as follows.
First take the naphthalene as the group, and the naphthalene is also a genus of aromatic hydrocarbons. Sulfonated with sulfuric acid, so that the naphthalene can interact with sulfuric acid at a specific temperature and conditions. Control its temperature, observe its reaction condition, and ensure that the sulfonic acid group is just inserted into the naphthalene ring to obtain the intermediate of naphthalene sulfonic acid.
Next, in this intermediate, the acetamido group is introduced. React with it with an acetylating agent, an acetylating agent, such as acetyl chloride or acetic anhydride. In the presence of a suitable catalyst, adjust the temperature and time of the reaction, so that the acetamide group can be selected to enter to obtain the acetamide-containing naphthalenesulfonic acid.
After that, the hydroxyl group is obtained from the compound in a specific position. Apply it by suitable hydroxylation means, or by alkali fusion method, or by other hydroxylation reagents. During alkali fusion, control its temperature, alkali concentration and other conditions, so that the hydroxyl group can enter the naphthalene ring as required to obtain 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid.
After the reaction is completed, the product is purified by crystallization, filtration, washing and other methods. When crystallizing, select the appropriate solvent, adjust its concentration and temperature, so that the product is purified. Filter to remove its impurities, and then wash the method to remove the impurity attached to it, then obtain pure 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid.
2-Acetamido-5-Hydroxy-7-Naphthalenesulfonic the market price of Acid
In today's world, business conditions are treacherous, and the market is ever-changing. It is not easy to ask the market price of 2-acetamido-5-hydroxy-7-naphthalenesulfonic acid. Looking back at the past "Tiangong Kaiwu", although it is a treasure of Huaxia science and technology, the chemical technology at that time is far from today, and the book does not contain the price of such fine chemicals.
In today's chemical market, the price of this acid is often tied to multiple factors. First, the price of raw materials. All kinds of raw materials required for the preparation of this acid are affected by the abundance and fluctuation of market prices. If raw materials are scarce, the price will rise, and the price of this acid will also rise. Second, the trend of supply and demand. If the market demand for this acid is strong, but the supply is limited, the price will rise; if the supply exceeds the demand, the price may drop. Third, the process is simple and the production cost. If the preparation process is complicated, energy consumption is high, manpower and material resources are consumed, and the cost is high, the price will also be high.
Furthermore, the price of this acid in different origins and qualities is also different. The price of high quality is high, and the price of ordinary ones is slightly lower. And due to regional differences, transportation costs and market competition conditions are different in different places, which also lead to uneven prices. To know the exact price, you need to study the chemical market information in detail, and consult the merchants and brokers in the industry, or you can get close to it. In short, the market is impermanent, and the price is not fixed, so you need to observe it in detail according to the current situation.
What are the safety precautions for 2-Acetamido-5-Hydroxy-7-Naphthalenesulfonic Acid?
2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid, this is a chemical substance. When using and contacting, many safety precautions must be kept in mind.
The first to bear the brunt is related to toxicity. This substance may be toxic to a certain extent and can cause damage to the human body. Therefore, when operating, be sure to wear appropriate protective equipment, such as gloves, protective glasses and masks, to prevent skin contact, eye splashing and inhalation of dust or vapor. In case of inadvertent contact, rinse with plenty of water immediately and seek medical treatment according to the specific situation.
Second, it is chemical. It acts as an acidic substance or reacts chemically with bases, oxidants, etc. When storing, it is necessary to store these substances separately to avoid danger caused by mixed storage. At the same time, it should be placed in a cool, dry and well-ventilated place, away from fire and heat sources, to prevent deterioration or cause safety accidents.
Furthermore, it involves environmental impact. If the substance accidentally leaks into the environment, or causes pollution to soil, water, etc. Once a leak occurs, it is necessary to take proper measures to deal with it in a timely manner to prevent its spread. When cleaning up leaks, choose appropriate methods to avoid secondary pollution to the environment.
In addition, during use, it is essential to precisely control the dosage, and do not use it in excess at will. And strictly follow the established operating procedures, and do not change the operation steps without authorization. At the same time, operators need to undergo professional training to familiarize themselves with its characteristics and safety precautions, so as to effectively ensure personal safety and environmental safety.