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Tetrachloro-1,2-Benzenedicarboxylic Acid Anhydride
Linshang Chemical
|
HS Code |
310638 |
| Name | Tetrachloro-1,2-Benzenedicarboxylic Acid Anhydride |
| Chemical Formula | C8Cl4O3 |
| Molecular Weight | 285.909 g/mol |
| Appearance | Solid |
| Color | White to off - white |
| Odor | May have a pungent odor |
| Melting Point | 164 - 168 °C |
| Boiling Point | Decomposes |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in some organic solvents like chloroform, dichloromethane |
| Density | Data may vary depending on source |
| Stability | Stable under normal conditions, but may react with strong oxidizing agents |
| Hazard Class | Corrosive, harmful if swallowed, inhaled or in contact with skin |
As an accredited Tetrachloro-1,2-Benzenedicarboxylic Acid Anhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1kg of Tetrachloro - 1,2 - benzenedicarboxylic Acid Anhydride packaged in a sealed bag. |
| Storage | Tetrachloro - 1,2 - benzenedicarboxylic Acid Anhydride should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in a tightly sealed container to prevent moisture absorption and exposure to air, which could potentially lead to degradation. Store it separately from incompatible substances like strong oxidizing agents and bases. |
| Shipping | Tetrachloro - 1,2 - benzenedicarboxylic Acid Anhydride is shipped in tightly sealed, corrosion - resistant containers. It's transported in accordance with hazardous chemical regulations, ensuring proper handling to prevent spills and environmental risks. |
Competitive Tetrachloro-1,2-Benzenedicarboxylic Acid Anhydride prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365006308 or mail to info@alchemist-chem.com.
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Tel: +8615365006308
Email: info@alchemist-chem.com
Where to Buy Tetrachloro-1,2-Benzenedicarboxylic Acid Anhydride in China?
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As a leading Tetrachloro-1,2-Benzenedicarboxylic Acid Anhydride supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What are the main uses of Tetrachloro-1, 2-benzenedicarboxylic Acid Anhydride?
Tetrachloro-1,2-phthalic anhydride is also an important material for chemical transformation. It has a wide range of uses and is involved in all things industrial.
First, it can be used to make polyimide. Polyimide is the best material, with high heat resistance, high mechanical and chemical stability. This anhydride is chemically transformed into a polymer of polyimide. This polymer is widely used in aerospace, electronics and other industries. In aerospace, the parts of aircraft can withstand high temperatures and external forces due to their heat resistance and strong mechanical properties; in electronics, the packaging of chips can be used to ensure stable performance.
Second, it is also important in the paint industry. This anhydride into the paint can improve the performance of the paint. It can increase the chemical resistance of the paint, so that the coating is not easily damaged in harsh environments such as acid and alkali; it can also improve heat resistance. At high temperatures, the coating will not melt and protect the object.
Third, it is a pesticide intermediate. Based on this, various pesticides can be prepared. Such pesticides have strong insecticidal and bactericidal effects, and the agricultural protection materials are protected from pests and pathogens, and the quantity and quality of agricultural products are guaranteed.
Fourth, it is also key in the synthesis of dyes. After chemical reaction, it helps to form various dyes, which are bright in color and have good fastness. When dyeing fabrics, it can keep the color from fading for a long time, and is very popular in the textile printing and dyeing industry.
From this perspective, tetrachloro-1,2-phthalic anhydride is indispensable in all industries and is an important treasure in the chemical industry.
First, it can be used to make polyimide. Polyimide is the best material, with high heat resistance, high mechanical and chemical stability. This anhydride is chemically transformed into a polymer of polyimide. This polymer is widely used in aerospace, electronics and other industries. In aerospace, the parts of aircraft can withstand high temperatures and external forces due to their heat resistance and strong mechanical properties; in electronics, the packaging of chips can be used to ensure stable performance.
Second, it is also important in the paint industry. This anhydride into the paint can improve the performance of the paint. It can increase the chemical resistance of the paint, so that the coating is not easily damaged in harsh environments such as acid and alkali; it can also improve heat resistance. At high temperatures, the coating will not melt and protect the object.
Third, it is a pesticide intermediate. Based on this, various pesticides can be prepared. Such pesticides have strong insecticidal and bactericidal effects, and the agricultural protection materials are protected from pests and pathogens, and the quantity and quality of agricultural products are guaranteed.
Fourth, it is also key in the synthesis of dyes. After chemical reaction, it helps to form various dyes, which are bright in color and have good fastness. When dyeing fabrics, it can keep the color from fading for a long time, and is very popular in the textile printing and dyeing industry.
From this perspective, tetrachloro-1,2-phthalic anhydride is indispensable in all industries and is an important treasure in the chemical industry.
What are the physical properties of Tetrachloro-1, 2-benzenedicarboxylic Acid Anhydride
Tetrachloro-1,2-phthalic anhydride is an organic compound. Its physical properties are as follows:
Its shape is observed, and it is white to light yellow needle-like crystals at room temperature. This shape is stable and can maintain its inherent state under common environmental conditions.
Smell its smell, with a slightly irritating smell. Although this smell is not strong and pungent, it should be treated with caution, because it may be irritating to the human respiratory tract, eyes, etc.
Measure its melting and boiling point, the melting point is about 255-257 ° C, and the boiling point is about 371 ° C. The higher melting and boiling point shows that its intermolecular force is strong and its structure is relatively stable. When heated, it needs to reach a specific high temperature to change its physical state.
In terms of its solubility, it is slightly soluble in cold water, but soluble in hot water, acetone, dichloromethane, pyridine and other organic solvents. This property is related to the polarity of the molecule, and because of its molecular structure, it interacts with different solvents differently. In chemical production and other fields, according to this solubility, a suitable solvent can be selected for separation, purification and other operations.
Looking at its density, the relative density (water = 1) is about 1.72. This density indicates that it is denser than water. If mixed with water, it will sink to the bottom. In processes involving mixed systems, this density difference can be used for separation and stratification of substances.
Its shape is observed, and it is white to light yellow needle-like crystals at room temperature. This shape is stable and can maintain its inherent state under common environmental conditions.
Smell its smell, with a slightly irritating smell. Although this smell is not strong and pungent, it should be treated with caution, because it may be irritating to the human respiratory tract, eyes, etc.
Measure its melting and boiling point, the melting point is about 255-257 ° C, and the boiling point is about 371 ° C. The higher melting and boiling point shows that its intermolecular force is strong and its structure is relatively stable. When heated, it needs to reach a specific high temperature to change its physical state.
In terms of its solubility, it is slightly soluble in cold water, but soluble in hot water, acetone, dichloromethane, pyridine and other organic solvents. This property is related to the polarity of the molecule, and because of its molecular structure, it interacts with different solvents differently. In chemical production and other fields, according to this solubility, a suitable solvent can be selected for separation, purification and other operations.
Looking at its density, the relative density (water = 1) is about 1.72. This density indicates that it is denser than water. If mixed with water, it will sink to the bottom. In processes involving mixed systems, this density difference can be used for separation and stratification of substances.
What are the chemical properties of Tetrachloro-1, 2-benzenedicarboxylic Acid Anhydride?
Tetrachloro-1,2-phthalic anhydride, this is an organic compound with unique chemical properties. Its appearance is often white crystalline powder, which is widely used in many fields.
When it comes to chemical properties, tetrachloro-1,2-phthalic anhydride has high chemical activity. It contains an acid anhydride group, which gives it the ability to react with many nucleophiles. For example, when it encounters alcohols, it is prone to alcoholysis reactions to form corresponding esters and acids. When it encounters amine compounds, an aminolysis reaction will occur to form amide products. Such reactions are of great significance in organic synthesis, which can be used to construct various complex organic molecular structures and lay the foundation for the preparation of special functional materials, pharmaceutical intermediates, etc.
Its stability is also worthy of attention. Under normal temperature and pressure, the substance is relatively stable. However, in case of high temperature, open flame or strong oxidant, the stability is greatly reduced, and there is a risk of combustion or even explosion. Therefore, when storing and using, it is necessary to strictly abide by safety procedures, keep away from heat and fire sources, and avoid mixing with strong oxidants.
In terms of solubility, tetrachloro-1,2-phthalic anhydride is slightly soluble in cold water, but soluble in hot water and some organic solvents, such as acetone, chloroform, dichloromethane, etc. This solubility characteristic makes it ingenious in different reaction systems and separation processes. In the organic synthesis reaction, a suitable solvent can be selected according to the reaction requirements to fully dissolve and participate in the reaction; and in the product separation and purification stage, the difference in solubility can be used to achieve effective separation.
In addition, the chlorine atom of tetrachloro-1,2-phthalic anhydride makes it have a certain electronegativity, which affects the intermolecular force and also plays a role in its melting point, boiling point and other physical properties. Generally speaking, due to the introduction of chlorine atoms, the melting point and boiling point of the substance are relatively high, which puts forward specific requirements for the control of its processing conditions in practical production and application.
When it comes to chemical properties, tetrachloro-1,2-phthalic anhydride has high chemical activity. It contains an acid anhydride group, which gives it the ability to react with many nucleophiles. For example, when it encounters alcohols, it is prone to alcoholysis reactions to form corresponding esters and acids. When it encounters amine compounds, an aminolysis reaction will occur to form amide products. Such reactions are of great significance in organic synthesis, which can be used to construct various complex organic molecular structures and lay the foundation for the preparation of special functional materials, pharmaceutical intermediates, etc.
Its stability is also worthy of attention. Under normal temperature and pressure, the substance is relatively stable. However, in case of high temperature, open flame or strong oxidant, the stability is greatly reduced, and there is a risk of combustion or even explosion. Therefore, when storing and using, it is necessary to strictly abide by safety procedures, keep away from heat and fire sources, and avoid mixing with strong oxidants.
In terms of solubility, tetrachloro-1,2-phthalic anhydride is slightly soluble in cold water, but soluble in hot water and some organic solvents, such as acetone, chloroform, dichloromethane, etc. This solubility characteristic makes it ingenious in different reaction systems and separation processes. In the organic synthesis reaction, a suitable solvent can be selected according to the reaction requirements to fully dissolve and participate in the reaction; and in the product separation and purification stage, the difference in solubility can be used to achieve effective separation.
In addition, the chlorine atom of tetrachloro-1,2-phthalic anhydride makes it have a certain electronegativity, which affects the intermolecular force and also plays a role in its melting point, boiling point and other physical properties. Generally speaking, due to the introduction of chlorine atoms, the melting point and boiling point of the substance are relatively high, which puts forward specific requirements for the control of its processing conditions in practical production and application.
What is the production method of Tetrachloro-1, 2-benzenedicarboxylic Acid Anhydride?
Tetrachloro-1,2-phthalic anhydride is an important intermediate in organic synthesis, and its preparation method is very important. In the past, this compound was often prepared by a specific method.
First, phthalic anhydride is used as the starting material. First, phthalic anhydride reacts with chlorine gas under specific conditions. This reaction requires delicate control of the reaction temperature and chlorine gas penetration rate. If the temperature is too low, the reaction will be slow and the yield will not be high; if the temperature is too high, side reactions will be feared, resulting in impure products. Generally speaking, the reaction temperature is usually controlled in a certain range, such as between X and Y degrees Celsius. In this temperature range, chlorine gas can gradually undergo a substitution reaction with phthalic anhydride, and chlorine atoms are introduced into the benzene ring one by one.
Second, when reacting, the choice of catalyst is also very important. A specific type of catalyst is often used, which can effectively increase the reaction rate and promote the reaction towards the formation of tetrachloro-1,2-phthalic anhydride. The amount of this catalyst needs to be precisely controlled, and too much or too little will have an adverse effect on the reaction effect.
Third, after the reaction is completed, the separation and purification of the product is indispensable. Because the reaction system may contain impurities such as unreacted raw materials and by-products. Commonly used separation methods, such as distillation, recrystallization, etc. Distillation can separate the product from other substances with different boiling points according to the difference of boiling points of each substance; recrystallization can achieve the purpose of purification by the different solubility of the product and impurities in specific solvents. Through this series of steps, high purity tetrachloro-1,2-phthalic anhydride can be obtained.
First, phthalic anhydride is used as the starting material. First, phthalic anhydride reacts with chlorine gas under specific conditions. This reaction requires delicate control of the reaction temperature and chlorine gas penetration rate. If the temperature is too low, the reaction will be slow and the yield will not be high; if the temperature is too high, side reactions will be feared, resulting in impure products. Generally speaking, the reaction temperature is usually controlled in a certain range, such as between X and Y degrees Celsius. In this temperature range, chlorine gas can gradually undergo a substitution reaction with phthalic anhydride, and chlorine atoms are introduced into the benzene ring one by one.
Second, when reacting, the choice of catalyst is also very important. A specific type of catalyst is often used, which can effectively increase the reaction rate and promote the reaction towards the formation of tetrachloro-1,2-phthalic anhydride. The amount of this catalyst needs to be precisely controlled, and too much or too little will have an adverse effect on the reaction effect.
Third, after the reaction is completed, the separation and purification of the product is indispensable. Because the reaction system may contain impurities such as unreacted raw materials and by-products. Commonly used separation methods, such as distillation, recrystallization, etc. Distillation can separate the product from other substances with different boiling points according to the difference of boiling points of each substance; recrystallization can achieve the purpose of purification by the different solubility of the product and impurities in specific solvents. Through this series of steps, high purity tetrachloro-1,2-phthalic anhydride can be obtained.
What are the precautions for Tetrachloro-1, 2-benzenedicarboxylic Acid Anhydride during use?
Tetrachloro-1,2-phthalic anhydride, when using, there are a number of things to pay attention to, which must not be ignored.
The first thing to pay attention to is that this is a chemical substance, which is more active. It is toxic and corrosive to a certain extent, and it must be used with caution. Wear appropriate protective equipment, such as protective clothing, gloves, goggles, etc., to prevent it from touching the skin and eyes and causing damage. If you accidentally touch it, rinse it with plenty of water as soon as possible, and seek medical treatment according to the severity of the injury.
Furthermore, it concerns its storage. It should be placed in a dry, cool and well-ventilated place, away from fire and heat sources. Because of its flammability, it is easy to cause danger in case of open flames and hot topics. And it must be stored separately from oxidants, reducing agents, alkalis, etc., and must not be mixed to prevent chemical reactions from occurring and causing accidents.
Also, in the use environment, ensure good ventilation conditions. Because of its volatilization, or irritation to the respiratory tract. If used in a closed space, ventilation equipment must be used to ensure air circulation, reduce the concentration of harmful substances in the air, and protect people's breathing safety.
When operating, specific procedures must also be followed. Precise control of the dosage and reaction conditions, and cannot be increased or decreased at will. Due to the reaction involved, or sensitive to factors such as temperature, time, and the proportion of reactants, there is a slight mismatch, or the reaction is out of control, which not only affects the effectiveness of the experiment or production, but also causes safety accidents.
In addition, after use, the disposal of its waste should not be neglected. It needs to be properly disposed of in accordance with relevant environmental regulations, and must not be discarded at will to avoid polluting the environment.
In short, in the whole process of using tetrachloro-1,2-phthalic anhydride, we should adhere to the heart of caution and strictly abide by the rules to ensure safety and promote effectiveness.
The first thing to pay attention to is that this is a chemical substance, which is more active. It is toxic and corrosive to a certain extent, and it must be used with caution. Wear appropriate protective equipment, such as protective clothing, gloves, goggles, etc., to prevent it from touching the skin and eyes and causing damage. If you accidentally touch it, rinse it with plenty of water as soon as possible, and seek medical treatment according to the severity of the injury.
Furthermore, it concerns its storage. It should be placed in a dry, cool and well-ventilated place, away from fire and heat sources. Because of its flammability, it is easy to cause danger in case of open flames and hot topics. And it must be stored separately from oxidants, reducing agents, alkalis, etc., and must not be mixed to prevent chemical reactions from occurring and causing accidents.
Also, in the use environment, ensure good ventilation conditions. Because of its volatilization, or irritation to the respiratory tract. If used in a closed space, ventilation equipment must be used to ensure air circulation, reduce the concentration of harmful substances in the air, and protect people's breathing safety.
When operating, specific procedures must also be followed. Precise control of the dosage and reaction conditions, and cannot be increased or decreased at will. Due to the reaction involved, or sensitive to factors such as temperature, time, and the proportion of reactants, there is a slight mismatch, or the reaction is out of control, which not only affects the effectiveness of the experiment or production, but also causes safety accidents.
In addition, after use, the disposal of its waste should not be neglected. It needs to be properly disposed of in accordance with relevant environmental regulations, and must not be discarded at will to avoid polluting the environment.
In short, in the whole process of using tetrachloro-1,2-phthalic anhydride, we should adhere to the heart of caution and strictly abide by the rules to ensure safety and promote effectiveness.
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