Products

1-Naphthylamine-7-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code

665382

Chemical Formula C10H9NO3S
Molar Mass 223.25 g/mol
Appearance Solid
Solubility In Water Soluble to some extent
Ph Aqueous Solution Acidic
Melting Point Decomposes
Odor Odorless (usually)
Color White to light - colored solid
Stability Stable under normal conditions, but sensitive to strong oxidizing agents
Packing & Storage
Packing 500 - gram pack of 1 - Naphthylamine - 7 - Sulfonic Acid in sealed chemical - grade bag.
Storage 1 - Naphthylamine - 7 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat and ignition sources. Keep it in a tightly sealed container to prevent moisture absorption and exposure to air. Store separately from oxidizing agents, bases, and foodstuffs to avoid potential reactions. Ensure proper labeling for easy identification and safety compliance.
Shipping 1 - Naphthylamine - 7 - Sulfonic Acid is a chemical. Shipping should be in well - sealed containers, following hazardous chemical regulations. Ensure proper labeling, with precautions for its potential toxicity and storage away from heat and ignition sources.
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1-Naphthylamine-7-Sulfonic Acid
General Information
Historical Development
1-Naphthylamine-7-sulfonic acid, the origin of its substance, early chemists discovered the wonders of chemistry at the end of the micro and explored the properties of substances. At that time, although the equipment was not refined, he was determined. At first, only a little bit of its characteristics were known, and after years of study, it gradually gained gains in reaction conditions and synthesis methods.
First, using ordinary raw materials, try to synthesize according to the original method, and the yield is very small. However, scholars are not discouraged, and repeatedly investigate and improve the process. Gradually, new agents are introduced, and the conditions are adjusted, and the yield begins to improve.
With the passage of time and the change of technology, the synthesis method is becoming more and more exquisite, and the application is also becoming wider. From its initial use in small trials to post-industrial mass production, this substance has emerged in various industries such as dyes and medicine, contributing to the prosperity of the industry. Its development path reflects the unremitting exploration of chemistry and the brilliant evolution of technology.
Product Overview
1-Naphthylamine-7-sulfonic acid, this is a special compound. Its properties are unique, often in the form of [specific form, because not provided temporarily]. In the field of chemistry, the use is quite important.
This compound plays a significant role in the field of dye synthesis. It can be used as a key intermediate to help synthesize many dyes with bright colors and excellent properties. With its unique chemical structure, it endows dyes with excellent dyeing performance and color fastness.
In terms of reaction characteristics, it has specific reactivity. Under specific conditions, it can react with a variety of reagents to generate various derivatives with special uses.
However, there are also points to be noted. Some reaction conditions need to be precisely controlled, otherwise the quality and yield of the product may be affected. The study of this compound opens up many possible paths for related exploration in the field of chemistry.
Physical & Chemical Properties
1 - Naphthylamine - 7 - Sulfonic Acid is also a chemical substance. Its physical and chemical properties are particularly important. Looking at its shape, it often shows a specific state, or a crystalline state, and the color is also different, which is related to its purity. Its melting point and boiling point are all characteristics. At the melting point, the state of the substance gradually changes, from solid to liquid, and this temperature is one of its characteristics.
As for chemistry, it is acidic, because it contains sulfonic acid groups. During chemical reactions, this acidity can cause it to combine with bases to form corresponding salts. And because it contains amine groups, it can also participate in many reactions, and interact with alcaldes, ketones and other substances to produce new compounds. These physical and chemical properties are crucial in chemical research and industrial production, and are also relevant to their preparation, purification, and application.
Technical Specifications & Labeling
1 - Naphthylamine - 7 - Sulfonic Acid, this is an important compound. Its process specifications and identification (product parameters) are key to production and application.
Process specifications need to clarify the selection of raw materials. When starting with high-quality naphthalene, etc., through a delicate reaction process, the reaction temperature, duration and pH should be controlled. Such as naphthalene is formed by specific sulfonation and amination reactions. Reaction equipment also needs to be sophisticated to ensure efficient and stable reaction.
In terms of identification, product parameters should be accurate, purity should be high, and impurity content should be strictly controlled. Appearance color, crystal form and other characteristics should also be clearly marked. In this way, the excellent product of 1 - Naphthylamine - 7 - Sulfonic Acid can be obtained to meet the needs of all parties and develop its utility in the fields of industry and scientific research.
Preparation Method
The method of preparing 1-Naphthylamine-7-Sulfonic Acid, the first heavy raw material. Take 1-naphthylamine as the group, and fuming sulfuric acid as the sulfonating agent. The two are mixed in a suitable ratio, which is the basis for preparation.
During the reaction, temperature control is very important. Start at low temperature first, so that the two work slowly, and then gradually heat up to make the reaction complete. This heating process must be stable and orderly, and each step is related to the quality of the product.
After the reaction is completed, the post-treatment should not be ignored. Adjust its pH by neutralization, followed by separation, to obtain a pure product. And in the whole process, the choice of equipment and the rules of operation are the key. In this way, high-quality 1-Naphthylamine-7-Sulfonic Acid can be obtained to meet the needs of all parties.
Chemical Reactions & Modifications
Taste the wonders of chemical industry, which is related to reaction and change, especially in the product of 1-Naphthylamine-7-Sulfonic Acid. The reaction of this compound is the key to chemical research.
At the beginning of the reaction, all raw materials are converged, just like the gathering of sages, each developing its own capabilities. The control of conditions, temperature, pressure, catalysts, etc., is just like a wise man's plan. Between measures, success or failure will rise and fall. The initial reaction is slow or urgent, and the change of molecules is difficult for the naked eye to observe, but in the microscopic domain, the universe has already moved.
The change of this product is also considerable. The change of its structure, the change of its properties, or the change of the reaction, or the disturbance of the outside world. To get a good product, we must study the reaction section carefully and gain insight into the opportunity of denaturation. Make the product meet the needs and have good efficiency. In this way, we can live up to the diligence of chemical research, and achieve a delicate state in the reaction and denaturation of the product, which is the foundation of practicality and the industry of chemical industry.
Synonyms & Product Names
1 - Naphthylamine - 7 - Sulfonic Acid, this compound, its trade name is elegant. Where it is the same, it refers to the same thing by its name. It may be named according to its own specific name, or because of its beginning. And the trade name, the merchant is the same, the special name.
In the chemical world, 1 - Naphthylamine - 7 - Sulfonic Acid is also the same. Such as according to its name, or naphthalamide sulfonic acid. This name is based on its naphthalene, amine group and sulfonic acid group. It is also based on its characteristics, or name.
As for the product name, the company recognizes its characteristics and uses, and each takes a different name. or degree, or highlights its anti-activity. This all makes the product stand out in the market for others, so that the customer can learn from it. Moreover, the same product name is used for research and business activities, including 1 - Naphthylamine - 7 - Sulfonic Acid from different angles.
Safety & Operational Standards
1 - Naphthylamine - 7 - Sulfonic Acid, this is an important chemical compound. Safety and operating standards are of paramount importance during its production, preparation and use.
The first word is safe, and this compound may be toxic and dangerous. When storing, it must be placed in a cool, dry and well-ventilated place, away from fire and heat sources. Do not mix with oxidants, acids, etc. to prevent dangerous chemical reactions. The handling process must be light and light to avoid damage to packaging and containers, resulting in material leakage.
In terms of operating specifications, operators must be professionally trained and strictly abide by the operating procedures. At the operation site, the corresponding variety and quantity of fire fighting equipment and leakage emergency treatment equipment should be equipped. During operation, appropriate protective equipment should be worn, such as gas masks, chemical safety protective glasses, acid and alkali gloves, etc., to protect their own safety.
In the unfortunate event of a leak, personnel in the spill-contaminated area should be quickly evacuated to a safe area and quarantined, and access should be strictly restricted. Emergency personnel must wear self-contained positive pressure breathing apparatus and anti-acid and alkali work clothes. Do not let leaks come into contact with combustible substances. In the event of a small leak, mix sand, dry lime or soda ash and collect in a dry, clean, covered container. In the event of a large leak, build a dike or dig a pit to contain it, transfer it to a tanker or special collector with a pump, recycle it or transport it to a waste treatment site for disposal.
Only by strictly observing safety and operating standards can we ensure the smooth development of 1-Naphthylamine-7-Sulfonic Acid related work, avoid accidents, and ensure the safety of personnel and the environment.
Application Area
1 - Naphthylamine - 7 - Sulfonic Acid is also a chemical substance. Its use is not good, and it can be used as a raw material for dyes in the field of dyeing. With its special chemical properties, the color of the dye is beautiful and the fastness is good, which can make the color of the dye new for a long time.
In the place of research, it also has its own benefits. Or it can be used as a catalyst for the synthesis of some materials, helping new research and development, and the strength of the first step.
It is also in the field of chemical analysis, and can be used as a catalyst for the anti-properties of other materials, assisting in the identification of the ingredients and properties of the material. In addition, 1 - Naphthylamine - 7 - Sulfonic Acid has its own value in a wide range of applications.
Research & Development
In modern times, chemistry has flourished, and all kinds of substances have been studied by scholars. In the field of dyeing and weaving, 1-Naphthylamine-7-Sulfonic Acid is also the focus of research in the academic community.
At the beginning, scholars observed its physical properties, analyzed its structure, and strived to understand its essence. In the process of synthesis, it has been tested repeatedly, or adjusted the temperature, or changed the reagent, and achieved excellent methods.
With the deepening of research, its use has gradually become apparent. In the industry of dyeing and weaving, it can produce colorful dyes that make fabrics shine. In the exploration of medicine, it also has potential capabilities, or assist in the development of new agents.
However, the research road is not smooth, and the synthesis method needs to be refined, the yield needs to be improved, and its impact on the environment and people needs to be observed. Many scholars are working day and night to expand its application and promote the development of this field, so that 1-Naphthylamine-7-Sulfonic Acid can shine in various industries and add brilliance to human well-being.
Toxicity Research
Today's Study 1 - Naphthylamine - 7 - Sulfonic Acid Toxicity of this substance. Poisoning is harmful to the body of the living people, related to the safety of all things. Examine its nature, analyze its rationale, in order to clarify its harm.
After various tests, observe the change in contact with things. In all kinds of living things, or cause their bodies to be different, or mess with their spirits. It touches the skin, skin or current diseases, and its color changes and itches and hurts. If it enters the body and spreads all over the body, the viscera are also disturbed by it, and its function or disorder gradually loses vitality.
And this thing also affects nature. When water meets it, those who are clear become turbid, and aquatic things are robbed. When soil meets it, those who are fertile become barren, and plants are difficult to prosper. Therefore, the study of toxicity is not only about the harm of a thing, but also about the life of living beings and the balance of nature. We must carefully observe it, and investigate it in detail before we can understand its harm, so as to protect the peace of all living beings and the peace of heaven and earth.
Future Prospects
The future prospect, in the research of 1 - Naphthylamine - 7 - Sulfonic Acid, is the focus of our researchers. This compound has many characteristics, but it has not been developed, and there is still a world.
We hope to improve its efficiency and reduce its cost in a more refined way. And hope that in many fields, such as dyeing and dyeing, it can be used for new applications. With dyeing, we hope that its fabrics will be more colored and more firmly dyed. With dyeing, we hope that it can be newly researched for strong support.
Furthermore, its environmental impact also needs to be deeply investigated. If we can control its pollution and ensure the safety of the environment, this compound will definitely be able to be widely used and used in the world before it can be produced. This is the heart of our researchers, and it has not yet been developed.
Frequently Asked Questions
What are the main uses of 1-Naphthylamine-7-Sulfonic Acid?
1-Naphthylamine-7-sulfonic acid, also known as laurenic acid, has a wide range of uses. In the dye industry, it is a key intermediate. In the past, the dyeing workshop craftsmen made brilliant dyes, relying on this as the basis. From this start, through complex combinations, dyes of all colors can be obtained, either bright and fresh, or deep and elegant, adding color to fabric printing and dyeing, making silk and cotton and linen kudzu all brilliant.
In the field of medicine, it also has hidden value. Although ancient healers did not know its molecular mysteries in detail, it may be an important material when exploring the way of drug synthesis. With exquisite formulations and processing, it may be able to be used as a medicine to remove diseases and protect human health.
Furthermore, in the field of chemical research, it is an important substance for researchers to explore the mechanism of organic synthesis. Scholars are like ancient alchemists studying the changes of gold and stone, using 1-naphthylamine-7-sulfonic acid to explore the laws of chemical reactions, expand the boundaries of chemical cognition, and pave the way for the improvement of chemical technology. It plays a key role in many fields, such as shining stars, illuminating the path of industry, medicine and scientific research.
What are the physical properties of 1-Naphthylamine-7-Sulfonic Acid?
1-Naphthylamine-7-sulfonic acid, this is also an organic compound. Its physical properties are quite critical and related to many practical applications.
Looking at its properties, it usually shows a white to light yellow crystalline shape, or a powder state. Its color and morphology are often the first basis for discrimination.
When it comes to solubility, it has a certain solubility in water. However, the degree of solubility is determined by factors such as water temperature and the ratio of solute to solvent. When the water temperature increases, generally speaking, its solubility is enhanced. This is because the temperature rises, the thermal movement of molecules intensifies, and the solute molecules are more easily dispersed in the solvent.
Furthermore, the melting point is also an important physical property. The melting point of 1-naphthylamine-7-sulfonic acid is specific, and this characteristic can be used for purity identification. If the sample purity is high, the melting point should approach the theoretical value; if it contains impurities, the melting point may be deviated, and the melting range will also become wider.
In addition, its density is also an inherent property. Under specific conditions, the density is relatively stable, which can provide an important reference for related industrial process design, material ratio, etc.
The odor of this compound, although not extremely significant, may be detectable under certain environments and concentrations.
In summary, the physical properties of 1-naphthylamine-7-sulfonic acid, such as its properties, solubility, melting point, density, and odor, play an important role in the chemical industry, scientific research, and other fields, contributing to the separation, purification, identification, and production of related products.
1-Naphthylamine-7-Sulfonic Acid is chemically stable?
1-Naphthylamine-7-sulfonic acid, its chemical properties are relatively stable. Among this compound, the naphthalene ring structure gives it a certain conjugate stability. The sulfonic acid group (\ (- SO_ {3} H\)) is a strongly acidic group, which can ionize hydrogen ions in aqueous solution and exhibit strong acidity. This property allows it to react with bases to form corresponding salts. The amino group (\ (- NH_ {2}\)) has a certain alkalinity and can react with acids. At the same time, it can also participate in some nucleophilic reactions due to the presence of lone pair electrons on the nitrogen atom.
However, its stability is also affected by external factors. For example, in a high-temperature environment, the internal energy of the molecule increases, and the vibration of the atom intensifies, which may cause the stability of the chemical bond to decrease, thereby triggering a decomposition reaction. If the lighting conditions are appropriate, the electron transition in the molecule may be excited, resulting in a change in the chemical activity of the molecule and a photochemical reaction. In the presence of some strong oxidants, due to the reduced nature of the naphthalene ring and the amino and sulfonic acid groups, they may be oxidized, thereby destroying the molecular structure.
However, in conventional laboratory conditions and general storage environments, 1-naphthylamine-7-sulfonic acid can usually maintain relatively stable chemical properties without significant changes in its structure and chemical properties if it avoids the interference of factors such as high temperature, strong light exposure, and strong oxidants.
What are the synthetic methods of 1-Naphthylamine-7-Sulfonic Acid?
The synthesis of 1-naphthylamine-7-sulfonic acid has been investigated in the past. One method is to start with 1-naphthylamine and make it react with fuming sulfuric acid. Place 1-naphthylamine cautiously in the reactor and slowly inject fuming sulfuric acid. This process requires strict observation of temperature changes to control the rate of reaction. Due to the strong corrosiveness and reactivity of sulfuric acid, a little carelessness can cause the reaction to go out of control. Usually the reaction temperature is maintained at a specific range, such as several degrees Celsius. After several hours, a sulfonic acid group can be introduced into the molecular structure of naphthylamine, and then 1-naphthylamine-7-sulfonic acid is obtained.
There are those who use naphthalene as the initial raw material. First, the naphthalene is nitrified to obtain 1-nitro-naphthalene, and then the 1-nitro-naphthalene is reduced to 1-naphthalamine by a suitable reducing agent, such as a mixed system of iron powder and hydrochloric acid. Then according to the above method of reacting 1-naphthalamine with fuming sulfuric acid, 1-naphthalamine-7-sulfonic acid is finally obtained. Although this path is a little complicated, naphthalene is a common and inexpensive raw material, so it is also one of the ways to synthesize.
Furthermore, some catalysts may be added to the reaction system to promote the reaction and improve the yield and purity of the product. However, the choice of catalyst needs to be in line with the reaction characteristics and should not be done at will, so as not to introduce impurities or affect the reaction mechanism. The methods of synthesizing 1-naphthylamine-7-sulfonic acid have advantages and disadvantages, and the choice should be weighed according to the actual required product purity, cost, reaction conditions and many other factors.
1-Naphthylamine-7-Sulfonic Acid in storage and transportation
1-Naphthylamine-7-sulfonic acid is a chemical substance, and many things need to be paid attention to when storing and transporting.
Its nature is lively, and it is easy to change when exposed to light and heat. Therefore, it should be stored in a cool, ventilated and dry place, away from fire and heat sources, to prevent its deterioration. The temperature and humidity of the warehouse should be strictly controlled, and the temperature and humidity should not fluctuate too much, causing its chemical properties to be unstable.
1-naphthylamine-7-sulfonic acid is corrosive, and contact with the skin, eyes, or inhalation of its dust can cause human damage. When storing, it must be stored separately from oxidants, alkalis, etc., and must not be mixed to avoid severe reactions. The packaging must be tight to ensure that there is no risk of leakage. When handling, it should be lightly loaded and unloaded to prevent damage to the packaging.
During transportation, extra caution is also required. Transportation vehicles should be equipped with corresponding varieties and quantities of fire equipment and leakage emergency treatment equipment. Summer transportation should be selected in the morning and evening to avoid high temperature and hot sun. The tank (tank) car used during transportation should have a grounding chain, and holes can be set in the tank to reduce shock and generate static electricity. It is strictly forbidden to transport vehicles equivalent to oxidants and alkalis. During driving, it should be protected from exposure to sun, rain and high temperature. When stopping, keep away from fire, heat sources and high temperature areas.
Therefore, when storing and transporting 1-naphthylamine-7-sulfonic acid, the above precautions should be carefully followed to ensure its safety and avoid accidents.