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2,3,5,6-Tetrachlorobenzene-1,4-Dicarboxylic Acid
Linshang Chemical
|
HS Code |
307318 |
| Name | 2,3,5,6-Tetrachlorobenzene-1,4-Dicarboxylic Acid |
| Chemical Formula | C8H2Cl4O4 |
| Molar Mass | 303.91 g/mol |
| Appearance | Solid (likely white or off - white powder) |
| Physical State At Room Temp | Solid |
| Melting Point | Data needed |
| Boiling Point | Data needed |
| Solubility In Water | Low solubility (organic acid with hydrophobic benzene ring) |
| Solubility In Organic Solvents | Soluble in some organic solvents like dichloromethane, chloroform |
| Acidity | Carboxylic acid groups contribute to acidic properties |
As an accredited 2,3,5,6-Tetrachlorobenzene-1,4-Dicarboxylic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 250g of 2,3,5,6 - tetrachlorobenzene - 1,4 - dicarboxylic acid in a sealed plastic bag. |
| Storage | 2,3,5,6 - tetrachlorobenzene - 1,4 - dicarboxylic acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and incompatible substances like strong oxidizing agents. Store it in a tightly - sealed container to prevent moisture absorption and potential release into the environment. Ensure proper labeling for easy identification. |
| Shipping | 2,3,5,6 - tetrachlorobenzene - 1,4 - dicarboxylic acid is shipped in sealed, corrosion - resistant containers. Transport follows strict chemical safety regulations, ensuring secure handling during transit to prevent spills and environmental exposure. |
Competitive 2,3,5,6-Tetrachlorobenzene-1,4-Dicarboxylic Acid prices that fit your budget—flexible terms and customized quotes for every order.
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What are the chemical properties of 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylic acid
Carbon dicyanide is a peculiar compound. It is active and has unique chemical properties.
Looking at its composition, it is formed by connecting a dicyano group to carbon. This substance often exhibits unique performance in the reaction. First, it has strong electrophilicity. Due to the electron-absorbing nature of the cyanide group, the molecular charge distribution is uneven, making the carbon center easy to react with electron-rich groups or molecules. For example, it can react nucleophilically with reagents containing solitary pairs of electrons.
Furthermore, the stability of carbon dicyanide is poor. The cyanide interaction in its structure makes the molecular tension high, so it is easy to decompose or rearrange when exposed to heat, light or specific catalysts, and the decomposition products often contain highly toxic cyanides. This requires extra caution.
In addition, carbon dicyanide may have potential applications in the field of organic synthesis. Due to its unique chemical activity, it can be used as a key intermediate for the construction of complex organic molecules. By ingeniously designing the reaction path, it can be introduced into the target molecule to build a special structural unit. However, due to its toxicity and stability issues, fine operation and strict control are required. In short, carbon dicyanide, with its unique chemical properties, is both attractive and challenging on the stage of chemical research.
Looking at its composition, it is formed by connecting a dicyano group to carbon. This substance often exhibits unique performance in the reaction. First, it has strong electrophilicity. Due to the electron-absorbing nature of the cyanide group, the molecular charge distribution is uneven, making the carbon center easy to react with electron-rich groups or molecules. For example, it can react nucleophilically with reagents containing solitary pairs of electrons.
Furthermore, the stability of carbon dicyanide is poor. The cyanide interaction in its structure makes the molecular tension high, so it is easy to decompose or rearrange when exposed to heat, light or specific catalysts, and the decomposition products often contain highly toxic cyanides. This requires extra caution.
In addition, carbon dicyanide may have potential applications in the field of organic synthesis. Due to its unique chemical activity, it can be used as a key intermediate for the construction of complex organic molecules. By ingeniously designing the reaction path, it can be introduced into the target molecule to build a special structural unit. However, due to its toxicity and stability issues, fine operation and strict control are required. In short, carbon dicyanide, with its unique chemical properties, is both attractive and challenging on the stage of chemical research.
What are the physical properties of 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylic acid
Diformaldehyde and tetrahydrofuran are both organic compounds. Diformaldehyde has the following physical properties:
It is a colorless gas at room temperature and pressure, but it is easy to liquefy under a little pressure. This is because of its low boiling point. Its boiling point is about -24.9 ° C. At this temperature, diformaldehyde changes from liquid to gaseous. The melting point is about -141.5 ° C. When the temperature drops below the melting point, diformaldehyde solidifies into a solid state.
The relative density of diformaldehyde is smaller, about 1.61 times that of air, which is heavier than air. Therefore, in space, diformaldehyde gas tends to sink. Its solubility is quite special, soluble in water, and can also be dissolved in many organic solvents such as alcohols, ethers, acetone, etc. This characteristic is due to the interaction between its molecular structure and water molecules and organic solvent molecules.
tetrahydrofuran is a colorless, water-miscible and volatile liquid under normal conditions, with an odor similar to ether. Its boiling point is about 66 ° C, which is higher than the boiling point of diformaldehyde, indicating that the intermolecular force is relatively strong, and more energy is required to transform it from liquid to gaseous. The melting point is about -108.5 ° C. When the temperature drops below this point, tetrahydrofuran will solidify.
The relative density of tetrahydrofuran is about 0.8892, which is less than the density of water, so if mixed with water, tetrahydrofuran will float on water. As a strong polar organic solvent, tetrahydrofuran has good solubility to many organic compounds and can be miscible with water, alcohol, ether, etc. This is due to the electronegativity of the oxygen atom in its molecular structure and the cyclic structure.
These two have their own physical properties and are useful in many fields such as chemical industry and medicine.
It is a colorless gas at room temperature and pressure, but it is easy to liquefy under a little pressure. This is because of its low boiling point. Its boiling point is about -24.9 ° C. At this temperature, diformaldehyde changes from liquid to gaseous. The melting point is about -141.5 ° C. When the temperature drops below the melting point, diformaldehyde solidifies into a solid state.
The relative density of diformaldehyde is smaller, about 1.61 times that of air, which is heavier than air. Therefore, in space, diformaldehyde gas tends to sink. Its solubility is quite special, soluble in water, and can also be dissolved in many organic solvents such as alcohols, ethers, acetone, etc. This characteristic is due to the interaction between its molecular structure and water molecules and organic solvent molecules.
tetrahydrofuran is a colorless, water-miscible and volatile liquid under normal conditions, with an odor similar to ether. Its boiling point is about 66 ° C, which is higher than the boiling point of diformaldehyde, indicating that the intermolecular force is relatively strong, and more energy is required to transform it from liquid to gaseous. The melting point is about -108.5 ° C. When the temperature drops below this point, tetrahydrofuran will solidify.
The relative density of tetrahydrofuran is about 0.8892, which is less than the density of water, so if mixed with water, tetrahydrofuran will float on water. As a strong polar organic solvent, tetrahydrofuran has good solubility to many organic compounds and can be miscible with water, alcohol, ether, etc. This is due to the electronegativity of the oxygen atom in its molecular structure and the cyclic structure.
These two have their own physical properties and are useful in many fields such as chemical industry and medicine.
What is the main use of 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylic acid?
The main use of carbon disulfide is as an important chemical raw material.
One of them can be used as a good solution. Carbon disulfide is a kind of sulfur, oil, fat and other substances, which have a very good solubility. In ancient times, if you want to extract some special oils or specific mixtures, you often dissolve carbon disulfide. If you want to extract the refined ingredients in a certain oil, you can place the lipids containing the oil in the carbon disulfide, and use its solubility properties to dissolve the refined ingredients. Then, steam and other means to obtain the required materials.
Second, it also plays an important role in chemical synthesis. With carbon disulfide as a raw material, many important compounds can be synthesized. For example, the ability to react with ammonia to generate thiocyanic acid is an important factor in dye engineering. The color of dyes can be controlled by the synthesis of these dyes. For example, the reaction of carbon disulfide and alcohol can be used to obtain the original acid, which can be used as a collector in the production of raw materials.
Third, it is also indispensable in the production of raw materials. With carbon disulfide and oxidized raw materials, it can be used to obtain stickiness. The stickiness is soft and comfortable, and the characteristics of absorption are transparent. It is used in production, and the finished clothes are worn and comfortable, which is loved by the world.
In addition, carbon disulfide is an important compound, but it plays an important role in many fields such as chemical engineering and manufacturing, and promotes the development of engineering.
One of them can be used as a good solution. Carbon disulfide is a kind of sulfur, oil, fat and other substances, which have a very good solubility. In ancient times, if you want to extract some special oils or specific mixtures, you often dissolve carbon disulfide. If you want to extract the refined ingredients in a certain oil, you can place the lipids containing the oil in the carbon disulfide, and use its solubility properties to dissolve the refined ingredients. Then, steam and other means to obtain the required materials.
Second, it also plays an important role in chemical synthesis. With carbon disulfide as a raw material, many important compounds can be synthesized. For example, the ability to react with ammonia to generate thiocyanic acid is an important factor in dye engineering. The color of dyes can be controlled by the synthesis of these dyes. For example, the reaction of carbon disulfide and alcohol can be used to obtain the original acid, which can be used as a collector in the production of raw materials.
Third, it is also indispensable in the production of raw materials. With carbon disulfide and oxidized raw materials, it can be used to obtain stickiness. The stickiness is soft and comfortable, and the characteristics of absorption are transparent. It is used in production, and the finished clothes are worn and comfortable, which is loved by the world.
In addition, carbon disulfide is an important compound, but it plays an important role in many fields such as chemical engineering and manufacturing, and promotes the development of engineering.
What are the synthesis methods of 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylic acid
To prepare diethylenoic acid, 2,3,5,6-tetrahydronaphthalene and 1,4-dibromide can be used as raw materials. The following are several synthesis methods:
First, with 2,3,5,6-tetrahydronaphthalene as the starting material, the hydrogen atom on the naphthalene ring is replaced by an appropriate group to activate the naphthalene ring under specific reaction conditions. Then, a bromine-containing reagent is introduced to make it electrophilic substitution reaction with the activated naphthalene ring, and a bromine atom is introduced at a specific position to obtain a bromine-containing intermediate product. This intermediate product and 1,4-dibromide undergo a nucleophilic substitution reaction under the catalysis of a base, so that the two are connected. Finally, through a series of functional group conversion reactions, such as oxidation and elimination, the double bond and carboxyl group structure of diethylenoic acid are constructed, and the diethylenoic acid is finally obtained.
Second, the 1,4-dibromide is modified first, and its bromine atom is converted into a more active leaving group, such as sulfonate group. At the same time, the 2,3,5,6-tetrahydronaphthalene is dehydrogenated to enhance the aromaticity of the naphthalene ring and improve its reactivity. Afterwards, in the presence of suitable solvents and catalysts, the two cross-coupling reactions occur to form an intermediate product of carbon-carbon bonding. This intermediate product is then hydrolyzed and oxidized to gradually convert the functional groups in the molecule into the desired structure of diethylenoic acid.
Third, based on 2,3,5,6-tetrahydronaphthalene, a specific substituent is introduced into the naphthalene ring by the strategy of free radical reaction to form an intermediate product with suitable activity. This intermediate product is coupled with 1,4-dibromide under the action of metal catalyst. The molecular structure of diethylenoic acid is gradually constructed through a series of oxidation, reduction and acid-forming reactions. During the reaction process, it is necessary to precisely control the reaction conditions, such as temperature, pH, reaction time, etc., to ensure that the reaction proceeds in the direction of generating diethylenoic acid and improve the purity and yield of the product.
First, with 2,3,5,6-tetrahydronaphthalene as the starting material, the hydrogen atom on the naphthalene ring is replaced by an appropriate group to activate the naphthalene ring under specific reaction conditions. Then, a bromine-containing reagent is introduced to make it electrophilic substitution reaction with the activated naphthalene ring, and a bromine atom is introduced at a specific position to obtain a bromine-containing intermediate product. This intermediate product and 1,4-dibromide undergo a nucleophilic substitution reaction under the catalysis of a base, so that the two are connected. Finally, through a series of functional group conversion reactions, such as oxidation and elimination, the double bond and carboxyl group structure of diethylenoic acid are constructed, and the diethylenoic acid is finally obtained.
Second, the 1,4-dibromide is modified first, and its bromine atom is converted into a more active leaving group, such as sulfonate group. At the same time, the 2,3,5,6-tetrahydronaphthalene is dehydrogenated to enhance the aromaticity of the naphthalene ring and improve its reactivity. Afterwards, in the presence of suitable solvents and catalysts, the two cross-coupling reactions occur to form an intermediate product of carbon-carbon bonding. This intermediate product is then hydrolyzed and oxidized to gradually convert the functional groups in the molecule into the desired structure of diethylenoic acid.
Third, based on 2,3,5,6-tetrahydronaphthalene, a specific substituent is introduced into the naphthalene ring by the strategy of free radical reaction to form an intermediate product with suitable activity. This intermediate product is coupled with 1,4-dibromide under the action of metal catalyst. The molecular structure of diethylenoic acid is gradually constructed through a series of oxidation, reduction and acid-forming reactions. During the reaction process, it is necessary to precisely control the reaction conditions, such as temperature, pH, reaction time, etc., to ensure that the reaction proceeds in the direction of generating diethylenoic acid and improve the purity and yield of the product.
How stable is 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylic acid in the environment?
The stability of diaminodiacid in the environment depends on its chemical properties and the environment it is located in. Diaminodiacid contains groups of diamino and diacid, and this structure gives it unique chemical properties.
From the perspective of 2,3,5,6-tetrafluoroaniline and 1,4-diaminodiacid. Under normal circumstances, the stability of diaminodiacid is not static and is affected by many factors.
Temperature is a key factor. If the ambient temperature increases, the molecular thermal motion intensifies, the chemical bond vibration in diaminodiacid is enhanced, or the chemical bond is broken, and the stability decreases. However, at suitable low temperatures, the molecular motion slows down, and its structure can be maintained relatively stable.
Furthermore, the pH also has an effect. Diaminodiacid has both acid and base. In a strong acid or strong base environment, its amino and carboxyl groups easily react with acid and base, resulting in structural changes and impaired stability. In a near-neutral environment, its stability is better.
In addition, the properties of solvents cannot be ignored. Polar solvents and non-polar solvents have different solubility to diaminodiacid, and the interactions between solvents and diaminodiacid are different. Polar solvents may interact with diaminodiacid to form hydrogen bonds, or change its electron cloud distribution, which affects stability.
In summary, diaminodiacid is not stable in the environment, and factors such as temperature, pH and solvent can cause its stability to change. Therefore, in order to maintain its stability, it is necessary to choose suitable environmental conditions.
From the perspective of 2,3,5,6-tetrafluoroaniline and 1,4-diaminodiacid. Under normal circumstances, the stability of diaminodiacid is not static and is affected by many factors.
Temperature is a key factor. If the ambient temperature increases, the molecular thermal motion intensifies, the chemical bond vibration in diaminodiacid is enhanced, or the chemical bond is broken, and the stability decreases. However, at suitable low temperatures, the molecular motion slows down, and its structure can be maintained relatively stable.
Furthermore, the pH also has an effect. Diaminodiacid has both acid and base. In a strong acid or strong base environment, its amino and carboxyl groups easily react with acid and base, resulting in structural changes and impaired stability. In a near-neutral environment, its stability is better.
In addition, the properties of solvents cannot be ignored. Polar solvents and non-polar solvents have different solubility to diaminodiacid, and the interactions between solvents and diaminodiacid are different. Polar solvents may interact with diaminodiacid to form hydrogen bonds, or change its electron cloud distribution, which affects stability.
In summary, diaminodiacid is not stable in the environment, and factors such as temperature, pH and solvent can cause its stability to change. Therefore, in order to maintain its stability, it is necessary to choose suitable environmental conditions.
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