Products

2-Chloro-5-[(2-Hydroxy-1-Naphthyl)Azo]Toluene-4-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code

410574

Chemical Formula C17H13ClN2O4S
Molecular Weight 376.81
Appearance Typically a colored solid (exact color depends on purity and form)
Solubility In Water Limited solubility, as it contains non - polar aromatic rings along with polar functional groups
Solubility In Organic Solvents May be more soluble in polar organic solvents like ethanol, due to the presence of polar groups
Melting Point Specific melting point would require experimental determination, but likely in the range where aromatic - based azo compounds melt (considering similar structures, could be in the range of 100 - 200°C approximately)
Acidity The sulphonic acid group makes it acidic, can donate a proton in appropriate medium
Reactivity The azo group can participate in reduction reactions; the chloro group can be involved in substitution reactions
Stability The azo bond is sensitive to light and heat, may undergo decomposition over time under such conditions
Packing & Storage
Packing 250g of 2 - Chloro - 5 -[(2 - Hydroxy - 1 - Naphthyl)Azo]Toluene - 4 - Sulphonic Acid in sealed plastic bag.
Storage Store "2 - Chloro - 5 - [(2 - Hydroxy - 1 - Naphthyl)Azo]Toluene - 4 - Sulphonic Acid" in a cool, dry place. Keep it in a well - sealed container to prevent exposure to moisture and air. Avoid storage near heat sources and incompatible substances. It should be stored separately from oxidizing agents to prevent potential reactions that could compromise safety.
Shipping 2 - Chloro - 5 - [(2 - Hydroxy - 1 - Naphthyl)Azo]Toluene - 4 - Sulphonic Acid will be shipped in sealed, corrosion - resistant containers. Adequate safety precautions, following chemical transport regulations, will ensure secure delivery from origin to destination.
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2-Chloro-5-[(2-Hydroxy-1-Naphthyl)Azo]Toluene-4-Sulphonic Acid
General Information
Historical Development
When I heard about the chemical industry, there is a thing called "2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid". In the past, it was first explored by researchers. At that time, the technology of chemical industry was not as sophisticated as it is today, and everyone studied its ingredients and characteristics.
At the beginning, only a little bit of its characteristics were known, and researchers were devoted to understanding it. After years, various experiments were accumulated, and the mystery of its structure was gradually understood, and the method of synthesis was also perfected day by day. From the beginning of ignorance, to the ability to precisely control its synthesis, the development of this substance witnessed the progress of chemical technology. From ignorance to familiarity, from crude methods to subtle techniques, it is like a river rushing forward, and it has finally become an indispensable existence in today's chemical industry.
Product Overview
There is now a substance called 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid. This is a chemical product with unique properties. Look at its shape, or take on a specific color state. Its essence is composed of specific atoms combined according to a precise structure.
This product has a wide range of uses in the field of chemistry. In some chemical processes, it can be used as a key raw material and participates in many reactions. After ingenious changes, other useful substances are derived. The interaction of chlorine, hydroxyl, azo and other groups in its structure gives it special chemical activity. It can either couple with other substances or participate in the substitution under specific conditions, providing an opportunity for the synthesis of novel compounds and assisting chemical research and industrial production to move towards a new frontier.
Physical & Chemical Properties
There is a substance called 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid. The physical and chemical properties of this substance are quite important to scholars.
Looking at its physical properties, it often shows a certain color state, either as a powder or as a crystal, and its particle size and luster are also characteristic. In terms of solubility, it is soluble in some solvents, but insoluble in others. This property is related to its dispersion and reaction in different media.
Whether its chemical properties are active or not depends on many reactions. It can react with specific reagents, or participate in substitution and addition under specific conditions. This is all due to the chlorine atom, hydroxyl group, azo group and other functional groups contained in its molecular structure. Each functional group affects each other, resulting in its unique physical and chemical properties, which are potentially useful in chemical, materials and other fields.
Technical Specifications & Labeling
2-Chloro-5 - [ (2 -Hydroxy -1 -Naphthyl) Azo] Toluene -4 -Sulphonic Acid, the process specification and identification (product parameters) are the key.
Looking at this product, the process specification needs to be clear about the synthesis method, from the selection of raw materials, such as chlorine, naphthol and other substances of purity, to the control of reaction conditions, such as temperature, pressure, reaction time, all need to be detailed. The refinement of the reaction device is also about success or failure. The choice of materials and the design of the structure all need to be in line with the reaction characteristics.
In terms of identification (product parameters), it is necessary to accurately label physical properties, such as color, state, taste, and chemical properties, such as solubility and stability. Purity geometry and impurity geometry are all important parameters, which are related to the quality of products. They must be determined by rigorous methods, clearly marked, and clear to users at a glance, so that they can be properly used in various fields.
Preparation Method
Synthesis of 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid in 2024
To prepare 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid, the first need is to prepare its raw materials. Chlorotoluenesulfonic acid and 2-hydroxy-1-naphthylamine are used as substances, both of which must be pure.
When synthesizing, adjust the reaction environment first. Control the temperature at an appropriate value and administer the drugs in sequence. When chlorotoluenesulfonic acid and 2-hydroxy-1-naphthylamine are met in the liquid, a catalytic agent is added to help the reaction to proceed quickly.
During the reaction, carefully observe its changes. Observe the change of color and the movement of temperature to ensure the stability of the reaction. When the reaction is completed, the product is extracted by means of analysis. By filtration, washing, drying, etc., the pure product is obtained.
The system of circulation, the mechanism should be optimized. Fine control of conditions, uplift rate, and quality assurance. In this way, the system of this substance can be made.
Chemical Reactions & Modifications
I tried to study a chemical substance called "2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid". The study of its transformation and modification is quite important in my research.
If the husband responds to the transformation, this substance touches other things and causes various changes. Or temperature change, or color change, all of which are signs of transformation. If you want to get good results, you must be careful to observe various conditions, such as the height of temperature, the amount of agent, and the length of time. A little carelessness, the fruit will change.
As for modification, there are also wonderful things. After changing its structure, or increasing its stability, or changing its solubility, the performance is good, and the use is wider. I often think of the sages of the past, study things to know, to enlighten future generations. My generation should also strive to adapt and modify, explore endless secrets, hope to get, benefit the world.
Synonyms & Product Names
Synonyms and trade names
There is now a product named "2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid". This chemical product is common in the industry, and the appearance of synonyms is common. In addition to this name, it is also called by him.
The husband's synonyms are called by different names because of the different fields of study and the way they are used. Either because of the observation of the characteristics, or because of the special laws of the system. And the name of the product is that the merchant sells this product with a special name in order to attract customers and show its characteristics.
For example, chemical products have their own synonyms and trade names. This "2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid" is studied in the academic world, or according to its structure and properties, it is another name; in the market, merchants will also give a unique trade name to distinguish the same kind and promote its sales. It is beneficial to chemical research and business transactions to understand the relationship between synonyms and trade names.
Safety & Operational Standards
2024 2-Chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid is a matter of safety and operating standards, and is really the concern of our chemical researchers.
At the time of preparation, the selection and treatment of the first raw materials. All raw materials used must be pure and free of impurities, and their purity must meet strict standards. When weighing, it must be accurate, with no difference or deviation in reaction. And the storage of raw materials should not be neglected. According to its characteristics, a cool, dry and well-ventilated place should be selected to prevent deterioration and endanger the safety of subsequent operations.
During the reaction process, the control of temperature, pressure and reaction time is crucial. The preparation reaction of 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid is extremely sensitive to temperature. If the temperature is too high, it may cause the reaction to go out of control and cause danger; if the temperature is too low, the reaction will be slow and affect the yield. Therefore, precise temperature control equipment must be used to keep the temperature constant in a suitable range. The same is true for the pressure, which needs to be maintained to ensure a smooth reaction. As for the reaction time, it should also be based on the established procedures, and it must not be easier at will to avoid damage to the quality of the product.
The protection of the operator must not be slack. Professional protective clothing must be worn, which can resist the erosion of chemical substances. Wear goggles to protect the eyes from splashing liquid damage. Masks are also indispensable to prevent the inhalation of harmful gases. And the operation room should be equipped with a perfect ventilation system to discharge the exhaust gas generated by the reaction in time to ensure fresh air.
The storage and transportation of products are also strictly regulated. When storing, it should be placed in a sealed container, away from fire and heat sources. During transportation, it is necessary to ensure that the container is stable and will not be damaged and leaked due to bumps and collisions.
In conclusion, the safety and operation of 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid are carried out throughout the whole process of preparation, storage and transportation. Our chemical researchers should be cautious and strictly abide by the procedures to ensure that everything goes smoothly and there is no risk of safety.
Application Area
2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid is an important chemical product. Its application field is quite wide. In the dyeing and weaving industry, it can be used as a dye. With its unique chemical structure, it can dye the fabric with a bright and lasting color. The dyed fabric has a bright color and good fastness. In the field of pigment preparation, it also plays a key role in the production of high-quality pigments for painting, printing, etc., showing fine and layered colors. In the synthesis of some special materials, it is also a key raw material to help synthesize materials with specific properties, such as materials with specific adsorption or stability, to meet the needs of different industries. From this point of view, this chemical product has shown extraordinary value in many application fields and promoted the development of related industries.
Research & Development
Since modern times, the art of chemistry has advanced day by day, and new things have emerged one after another. Today, there is a thing called "2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid", which has attracted much attention in the academic world.
We study this thing, and we think hard. Explore its properties, observe the changes in its reaction, and observe the wonders of its structure. We hope to clarify its essence in order to promote its use.
Study its synthesis method, optimize the steps, and seek its high efficiency and purity. Also consider its application in various fields, hoping to expand its path to benefit people's livelihood.
Although the research path is bumpy, we will persevere. With perseverance, we will investigate the mystery of this "2 - Chloro - 5 - [ (2 - Hydroxy - 1 - Naphthyl) Azo] Toluene - 4 - Sulphonic Acid", and we will add to the development of chemistry and make achievements.
Toxicity Research
Fu 2 - Chloro - 5 - [ (2 - Hydroxy - 1 - Naphthyl) Azo] Toluene - 4 - Sulphonic Acid The study of the toxicity of this thing is a matter of concern to the public. In the past, it was said that "if you want to do something good, you must first use your tools". To study this toxicity, you also need to use good methods.
We measure it by various methods, and observe its response to the body. Or cast it on insects, observe its movement and stop, life and rest; or apply it to plants and trees, observe its prosperity and decline, and fade away. See it on insects, or mess with their spirits, cause disorder, or even die; on plants and trees, or hinder their growth, leaves wither and wither.
The study of toxicity is not a one-time achievement. It must be carefully investigated and advanced step by step. "The road is long and the cultivation is far away". To understand the full picture of the toxicity of this substance, it will take time, and there is no rush. We must be rigorous and explore it to the end, so as to obtain the true chapter, so as to avoid its harm and benefit the lives of everyone.
Future Prospects
Fu 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid, I have observed its extraordinary potential in today's research. Looking at the past, the prosperity of chemical substances depends on the diligence and wisdom of researchers. Although this substance has been explored today, it still has a wide range of future development.
We expect it to emerge in the field of dyes. With its wonderful structure, it may be able to produce dyes with bright color and good fastness, adding color to fabrics and enhancing clothing. And it can also be used in materials science. Modified by suitable methods, or materials with special properties can be used in electronics, medical and other fields.
Although the road ahead is uncertain, we will be able to tap its endless potential and create a new situation for future technology and life.
Frequently Asked Questions
What is the main use of 2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid?
2-Chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid has a wide range of uses. In the dyeing and weaving industry, it is often used as a dye. Because of its unique chemical structure and color characteristics, it can make fabrics dye a bright and firm color.
In the field of chemical analysis, it also has its uses. It can use its reaction with specific substances to detect, qualitatively or quantitatively analyze certain substances according to color changes. Because the color of the substance may change significantly when it encounters different chemical environments and substances, just like in ancient times when special reagents were used to measure the substance, and we will know the details by looking at its changes.
In scientific research experiments, it is also an important chemical reagent. Researchers often use its characteristics to explore chemical reaction mechanisms and synthesize new compounds. For example, alchemists repeatedly try it by the pill furnace, and use its characteristics to open the door to new chemical knowledge.
In addition, it is also indispensable in the manufacture of some industrial products, such as the dyeing of special paper and plastic products. It can give the product the desired color, improve the product's aesthetics and commodity value, just like putting a gorgeous coat on the item, making it more competitive in the market.
Physicochemical Properties of 2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid
2-Chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid, this is an organic compound. Its physicochemical properties are quite important and are related to many chemical application fields.
Looking at its properties, under normal temperature and pressure, it is mostly solid or powdery, and the color may vary slightly due to purity, often between orange and red. This compound has certain stability, but it will also change under specific conditions.
When it comes to solubility, it may have a certain solubility in water, which is affected by factors such as temperature. When the temperature increases, the solubility may increase. In organic solvents, such as ethanol, acetone, etc., there are also different solubility behaviors, and the solubility in polar organic solvents is better than that in non-polar ones.
Its melting point and boiling point are also key physicochemical properties. Melting point or due to slight changes in purity, accurate determination requires rigorous experimental operations. The boiling point reflects the temperature of the compound from liquid to gaseous state under specific pressure, which is of great significance for separation and purification processes.
Furthermore, the compound behaves differently in acid-base environments. In acidic environments, its structure may remain relatively stable; however, in alkaline environments, functional groups such as hydroxyl groups may participate in the reaction, causing structural changes, affecting its chemical properties and applications.
The azo group contained in this compound gives it unique optical properties or has certain color characteristics, which may be used in dyes and other industries. At the same time, the presence of sulfonic acid groups increases its water solubility and ionic properties, providing the possibility for its application in specific systems.
In summary, the physicochemical properties of 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid are complex and diverse. Only by in-depth study of its properties can it be better applied to various chemical and related industries.
What is the production method of 2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid
The preparation method of 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid is not detailed in the ancient book "Tiangong Kaiwu", but it can be deduced from today's chemical principles.
The preparation of this compound often involves diazotization and coupling reactions. First take appropriate raw materials to make chlorotoluene sulfonic acids go through the diazotization step. Under low temperature and strong acid environment, react with sodium nitrite and other reagents to form diazonium salts. This step requires precise temperature control. Due to the active nature of diazonium salts, it is easy to decompose at a slightly higher temperature.
Then, the obtained diazo salt is coupled with 2-hydroxy-1-naphthol. Under suitable pH conditions, the diazo group is coupled with the activity check point of naphthol to form the target product 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid. During the reaction process, pH regulation is extremely critical, and both peracid and perbase may affect the reaction rate and product purity.
Or there may be other methods, such as using other aromatic hydrocarbons containing specific substituents as starting materials, through multi-step reactions, the required functional groups such as chlorine, sulfonic acid group and azo structure are gradually introduced. However, each method requires fine operation and attention to changes in reaction conditions, so as to obtain this compound and ensure its yield and purity.
2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid
2-Chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid is a chemical substance. When using it, many things cannot be ignored.
First, this substance has a certain chemical activity, mixes with other substances, or reacts violently. Therefore, when using it, it is necessary to read its chemical properties carefully, know what kind of substances can be co-located with, and what to avoid. In case of strong oxidizing agents or reducing agents, avoid accidents and need to pay special attention.
Second, this substance is related to personal safety. It may be irritating, come into contact with the skin, eyes, or cause discomfort. When operating, protective equipment is indispensable, such as gloves, goggles, etc., to prevent accidental contamination. If you accidentally touch it, quickly rinse with plenty of water and seek medical attention according to the situation.
Third, the environment in which this product is used also needs to be paid attention to. Changes in temperature and humidity may affect its properties. Under high temperature, or accelerate its reaction process, or at low temperature, it may affect its activity. Therefore, when controlled in a suitable environment, its performance is stable.
Fourth, the dosage of this product also needs to be precisely controlled. More is wasteful, and may cause adverse consequences; less is not the desired effect. The dosage must be determined according to the purpose of use and relevant procedures.
In short, the use of 2-chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid requires careful treatment in terms of chemical properties, personal safety, environmental factors, and dosage control to ensure safe and effective use.
What are the safety risks associated with 2-Chloro-5- [ (2-Hydroxy-1-Naphthyl) Azo] Toluene-4-Sulphonic Acid?
2-Chloro-5- [ (2-hydroxy-1-naphthyl) azo] toluene-4-sulfonic acid is a safety risk and cannot be ignored.
Its chemical properties are lively, and under certain conditions, there may be a risk of chemical reaction. When heated, it may decompose to produce harmful gases, such as compounds containing chlorine and sulfur. If inhaled into the human body, these gases can cause respiratory discomfort, severe damage to the lungs, and endanger life.
Furthermore, it may be irritating. Contact with the skin can cause redness, swelling, itching, and even allergic reactions, causing skin ulceration. If you don't enter the eyes carefully, it will sting unbearably, or cause eye damage and affect vision.
In terms of the environment, there are also hidden dangers. If it flows into natural water bodies, or into the soil, or has adverse effects on aquatic organisms, soil microorganisms and other ecological communities, disrupting the ecological balance.
When operators come into contact with this object, they must be fully armed, wear protective clothing, gloves, goggles and gas masks to prevent contact and inhalation damage. And the operation should be carried out in a well-ventilated place or in a fume hood to reduce the concentration of harmful gases.
When storing, it should also be cautious. It should be placed in a cool, dry and ventilated place, away from fire and heat sources, and protected from direct sunlight. And should be stored separately from oxidants, alkalis, etc., do not mix storage to avoid danger.