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Benzeneacetic Acid, 3,4-Dichloro-A-Cyano-
Linshang Chemical
|
HS Code |
967628 |
| Chemical Formula | C9H5Cl2NO2 |
| Molar Mass | 230.048 g/mol |
| Appearance | Solid (likely white or off - white) |
| Solubility In Water | Low solubility in water |
| Solubility In Organic Solvents | Soluble in some organic solvents like ethanol, acetone |
| Density | Specific density value would require experimental determination |
| Stability | Stable under normal conditions, but may react with strong oxidizing or reducing agents |
As an accredited Benzeneacetic Acid, 3,4-Dichloro-A-Cyano- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 100 - gram pack of 3,4 - dichloro - α - cyano - benzeneacetic acid in sealed chemical container. |
| Storage | **Storage of 3,4 - dichloro - α - cyano - benzeneacetic acid**: Store this chemical 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 evaporation. Separate it from oxidizing agents, reducing agents, and bases to avoid potential chemical reactions. |
| Shipping | Ship benzeneacetic acid, 3,4 - dichloro - α - cyano - in well - sealed containers, compliant with hazardous chemical shipping regulations. Ensure proper labeling and documentation for safe transportation. |
Competitive Benzeneacetic Acid, 3,4-Dichloro-A-Cyano- 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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What is the chemical structure of Benzeneacetic Acid, 3,4-dichloro-a-cyano-?
The chemical structure of phenylacetic acid, 3,4-dichloro - α - cyanyl group is the structural expression of a specific compound in the field of organic chemistry. This compound has a complex and unique structure and contains specific functional groups such as benzene ring, acetic acid group, chlorine atom and cyano group.
Looking at its structure, the benzene ring is a stable hexavalent ring structure with a conjugated system, which endows the compound with certain stability and special chemical activity. The benzene ring is connected to the acetic acid group, which is a structure in which the carboxyl group is connected to the methyl group. The carboxyl group is acidic and can participate in many chemical reactions, such as salt formation, esterification and other reactions.
Furthermore, chlorine atoms are introduced into the 3rd and 4th positions of the benzene ring, and the chlorine atoms have electron-absorbing effects, which can affect the electron cloud density distribution of the benzene ring, and then change the physical and chemical properties and reactivity of the compound. And α-cyano, that is, the carbon atom at the α position in the acetate group connected to the benzene ring, is connected to the cyano group (-CN), which has strong polarity and has a significant impact on the nucleophilicity, electrophilicity and intermolecular forces of the compound.
In general, the chemical structure of phenylacetic acid, 3,4-dichloro - α - cyano group is composed of benzene ring, acetic acid group, chlorine atom and cyano group. The interaction of functional groups endows the compound with unique chemical and physical properties. It may have important application value and research significance in organic synthesis, medicinal chemistry and other fields.
Looking at its structure, the benzene ring is a stable hexavalent ring structure with a conjugated system, which endows the compound with certain stability and special chemical activity. The benzene ring is connected to the acetic acid group, which is a structure in which the carboxyl group is connected to the methyl group. The carboxyl group is acidic and can participate in many chemical reactions, such as salt formation, esterification and other reactions.
Furthermore, chlorine atoms are introduced into the 3rd and 4th positions of the benzene ring, and the chlorine atoms have electron-absorbing effects, which can affect the electron cloud density distribution of the benzene ring, and then change the physical and chemical properties and reactivity of the compound. And α-cyano, that is, the carbon atom at the α position in the acetate group connected to the benzene ring, is connected to the cyano group (-CN), which has strong polarity and has a significant impact on the nucleophilicity, electrophilicity and intermolecular forces of the compound.
In general, the chemical structure of phenylacetic acid, 3,4-dichloro - α - cyano group is composed of benzene ring, acetic acid group, chlorine atom and cyano group. The interaction of functional groups endows the compound with unique chemical and physical properties. It may have important application value and research significance in organic synthesis, medicinal chemistry and other fields.
What are the physical properties of Benzeneacetic Acid, 3,4-dichloro-a-cyano-?
"Tiangong Kaiwu" is a science and technology book written by Song Yingxing in the Ming Dynasty, in the form of classical Chinese. However, because the inquiry "3,4-dichloro - α - cyanophenylacetic acid" is a modern chemical substance, there is no direct relevant record in "Tiangong Kaiwu", so the following is a virtual description of its physical properties in the classical Chinese style.
3,4-dichloro - α - cyanophenylacetic acid, often in a solid state, looking at its shape, or a crystalline appearance, the texture is relatively firm and brittle. Its color may be close to plain white, like the purity of frost and snow, slightly shiny, reflecting light and slightly shining.
Smell, the smell is special, not fragrant, but has a unique taste, the first smell is pungent, long smell is uncomfortable, but this taste is very different from ordinary odor, its own chemical characteristics of the smell.
As for its solubility, it is difficult to dissolve in water, water, moisturizing all things, but this substance is difficult to melt, like oil and water. However, in organic solvents, such as alcohols and ethers, it is quite soluble. Alcohols, warm and well soluble, 3,4-dichloro - α - cyanophenylacetic acid in alcohol, gradually invisible, mixed with it and uniform.
Its melting point is also an important physical property. When heated to a certain degree, about [X] degrees Celsius, it begins to gradually melt from a solid state to a liquid state. If ice disappears under the warm sun, its shape gradually changes. Its density is slightly heavier than that of water. If placed in water, it slowly settles, like a stone entering water, and sinks to the bottom.
This is a virtual classical description of the physical properties of 3,4-dichloro - α - cyanophenylacetic acid. It is based on the text of "Tiangong Kaiwu", but the real physical properties need to be based on scientific experiments and data.
3,4-dichloro - α - cyanophenylacetic acid, often in a solid state, looking at its shape, or a crystalline appearance, the texture is relatively firm and brittle. Its color may be close to plain white, like the purity of frost and snow, slightly shiny, reflecting light and slightly shining.
Smell, the smell is special, not fragrant, but has a unique taste, the first smell is pungent, long smell is uncomfortable, but this taste is very different from ordinary odor, its own chemical characteristics of the smell.
As for its solubility, it is difficult to dissolve in water, water, moisturizing all things, but this substance is difficult to melt, like oil and water. However, in organic solvents, such as alcohols and ethers, it is quite soluble. Alcohols, warm and well soluble, 3,4-dichloro - α - cyanophenylacetic acid in alcohol, gradually invisible, mixed with it and uniform.
Its melting point is also an important physical property. When heated to a certain degree, about [X] degrees Celsius, it begins to gradually melt from a solid state to a liquid state. If ice disappears under the warm sun, its shape gradually changes. Its density is slightly heavier than that of water. If placed in water, it slowly settles, like a stone entering water, and sinks to the bottom.
This is a virtual classical description of the physical properties of 3,4-dichloro - α - cyanophenylacetic acid. It is based on the text of "Tiangong Kaiwu", but the real physical properties need to be based on scientific experiments and data.
What are the common uses of Benzeneacetic Acid, 3,4-dichloro-a-cyano-?
3,4-Dichloro-α-cyanophenylacetic acid, this is an organic compound. Its common preparation method can be analogous to the ancient alchemy and pharmaceutical methods, and requires exquisite skills and rigorous processes.
Phenylacetonitrile is often used as the starting material, just like the cornerstone of alchemy needs to be prepared first. Phenylacetonitrile is chlorinated by introducing chlorine atoms at specific positions 3 and 4 of the benzene ring, as if it is finely carved on the cornerstone. This chlorination method can be achieved by chlorine gas under specific catalyst, temperature, light and other conditions, just like controlling the temperature and additives of alchemy.
Then, the obtained product of chlorination is further converted. Through the hydrolysis reaction, the cyanyl group is converted into a carboxyl group, which is like turning a stone into gold, and finally obtains 3,4-dichloro-α-cyanophenylacetic acid. This hydrolysis step is also crucial to the control of the reaction conditions, such as pH, temperature, reaction time, etc., all need to be precisely pinched like alchemy. If there is a slight error, the product may be impure or the yield may be low.
There are other methods. You can start from other compounds containing benzene rings and go through multi-step reactions, such as halogenation, substitution, addition, oxidation, etc., step by step, such as building a delicate pavilion, and gradually building the structure of the target molecule, and finally obtaining 3,4-dichloro-α-cyanophenylacetic acid. Each step needs to be closely connected, and the separation and purification of the product at each step cannot be ignored to ensure the purity and quality of the final product.
Phenylacetonitrile is often used as the starting material, just like the cornerstone of alchemy needs to be prepared first. Phenylacetonitrile is chlorinated by introducing chlorine atoms at specific positions 3 and 4 of the benzene ring, as if it is finely carved on the cornerstone. This chlorination method can be achieved by chlorine gas under specific catalyst, temperature, light and other conditions, just like controlling the temperature and additives of alchemy.
Then, the obtained product of chlorination is further converted. Through the hydrolysis reaction, the cyanyl group is converted into a carboxyl group, which is like turning a stone into gold, and finally obtains 3,4-dichloro-α-cyanophenylacetic acid. This hydrolysis step is also crucial to the control of the reaction conditions, such as pH, temperature, reaction time, etc., all need to be precisely pinched like alchemy. If there is a slight error, the product may be impure or the yield may be low.
There are other methods. You can start from other compounds containing benzene rings and go through multi-step reactions, such as halogenation, substitution, addition, oxidation, etc., step by step, such as building a delicate pavilion, and gradually building the structure of the target molecule, and finally obtaining 3,4-dichloro-α-cyanophenylacetic acid. Each step needs to be closely connected, and the separation and purification of the product at each step cannot be ignored to ensure the purity and quality of the final product.
What are the synthesis methods of Benzeneacetic Acid, 3,4-dichloro-a-cyano-?
There are many ways to prepare 3,4- - α - cyanophenylacetic acid, and listen to me one by one.
First, you can start with 3,4-dichloroacetophenone. First, cyanide 3,4-dichloroacetophenone with cyanide reagents such as sodium cyanide in a suitable solvent, such as ethanol or dimethylformamide, under mild heating and alkaline conditions. Sodium carbonate or the like can be used to promote nucleophilic substitution to obtain 3,4- - α - cyanophenone. Subsequently, the product is oxidized in an acidic medium with a suitable oxidizing agent, such as potassium permanganate or potassium dichromate, so that the ketone group is converted into a carboxyl group, and then 3,4-dichloro - α - cyanophenylacetic acid is obtained. This process requires attention to the reaction temperature and the amount of oxidant to prevent excessive oxidation.
Second, 3,4-dichlorotoluene is used as the raw material. It is first halogenated by the side chain, usually with chlorine gas under the action of light or initiator, and the side chain methyl halide is obtained to obtain 3,4-dichlorobenzyl halide. Then this halide is reacted with sodium cyanide to introduce a cyanyl group to obtain a 3,4-dichloro - α - cyanobenzyl compound. Finally, through hydrolysis reaction, under the catalysis of acid or base, the cyanyl group is converted to carboxyl group to achieve the synthesis of 3,4-dichloro - α - cyanophenylacetic acid. In this route, the selectivity of the halogenation step and the control of the hydrolysis conditions are very important.
Third, this compound can also be constructed by arylation reaction. Select suitable halogenated aromatics, such as 3,4-dichlorobenzene, and nucleophiles containing cyano and carboxyl precursors, and carry out arylation reactions under palladium catalysis and other conditions. This method requires careful selection of catalysts and ligands to improve the reaction efficiency and selectivity.
All kinds of synthetic methods have their own advantages and disadvantages. When practicing, we should make a careful choice based on factors such as the availability of raw materials, cost, and difficulty of reaction conditions.
First, you can start with 3,4-dichloroacetophenone. First, cyanide 3,4-dichloroacetophenone with cyanide reagents such as sodium cyanide in a suitable solvent, such as ethanol or dimethylformamide, under mild heating and alkaline conditions. Sodium carbonate or the like can be used to promote nucleophilic substitution to obtain 3,4- - α - cyanophenone. Subsequently, the product is oxidized in an acidic medium with a suitable oxidizing agent, such as potassium permanganate or potassium dichromate, so that the ketone group is converted into a carboxyl group, and then 3,4-dichloro - α - cyanophenylacetic acid is obtained. This process requires attention to the reaction temperature and the amount of oxidant to prevent excessive oxidation.
Second, 3,4-dichlorotoluene is used as the raw material. It is first halogenated by the side chain, usually with chlorine gas under the action of light or initiator, and the side chain methyl halide is obtained to obtain 3,4-dichlorobenzyl halide. Then this halide is reacted with sodium cyanide to introduce a cyanyl group to obtain a 3,4-dichloro - α - cyanobenzyl compound. Finally, through hydrolysis reaction, under the catalysis of acid or base, the cyanyl group is converted to carboxyl group to achieve the synthesis of 3,4-dichloro - α - cyanophenylacetic acid. In this route, the selectivity of the halogenation step and the control of the hydrolysis conditions are very important.
Third, this compound can also be constructed by arylation reaction. Select suitable halogenated aromatics, such as 3,4-dichlorobenzene, and nucleophiles containing cyano and carboxyl precursors, and carry out arylation reactions under palladium catalysis and other conditions. This method requires careful selection of catalysts and ligands to improve the reaction efficiency and selectivity.
All kinds of synthetic methods have their own advantages and disadvantages. When practicing, we should make a careful choice based on factors such as the availability of raw materials, cost, and difficulty of reaction conditions.
What are the precautions for Benzeneacetic Acid, 3,4-dichloro-a-cyano-during use?
Phenylacetic acid, 3,4-dichloro - α - cyanide, when using, many precautions must be paid attention to. This is a unique chemical substance, its toxicity, stability and other characteristics are related to the safety of use.
First safety protection. Because of its toxicity and irritation, be sure to wear protective equipment when contacting. Protective clothing should be able to effectively resist its contamination, and gloves should be selected to ensure that the hand is fully protected, avoid skin contact with it, and prevent allergies, burns and other diseases. Goggles are also indispensable to prevent them from splashing into the eyes and damaging eye tissues.
Furthermore, pay attention to storage conditions. It should be placed in a cool, dry and well-ventilated place, away from fire and heat sources. Due to its active chemical properties, improper storage or stability disturbance can cause dangerous reactions. And it needs to be stored separately from oxidizing agents, reducing agents and other substances to prevent accidents caused by interaction.
During use, operating specifications are crucial. Precise control of the dosage, according to experimental or production needs, with the help of precise measuring tools. Mixing and reaction steps, strictly follow the established operating procedures, and control the reaction temperature, time and other conditions. Factors such as the pH of the reaction environment may also affect the reaction process and products, so careful monitoring and regulation are required.
In addition, waste disposal cannot be ignored. The remaining substances and reaction waste after use should not be discarded at will. It needs to be properly disposed of in accordance with relevant environmental regulations to prevent pollution of the environment and damage to the ecology.
In short, the use of phenylacetic acid, 3,4-dichloro - α - cyanide, from protection, storage, operation to waste treatment, every link needs to be strictly treated to ensure safe and efficient use and avoid accidents and hazards.
First safety protection. Because of its toxicity and irritation, be sure to wear protective equipment when contacting. Protective clothing should be able to effectively resist its contamination, and gloves should be selected to ensure that the hand is fully protected, avoid skin contact with it, and prevent allergies, burns and other diseases. Goggles are also indispensable to prevent them from splashing into the eyes and damaging eye tissues.
Furthermore, pay attention to storage conditions. It should be placed in a cool, dry and well-ventilated place, away from fire and heat sources. Due to its active chemical properties, improper storage or stability disturbance can cause dangerous reactions. And it needs to be stored separately from oxidizing agents, reducing agents and other substances to prevent accidents caused by interaction.
During use, operating specifications are crucial. Precise control of the dosage, according to experimental or production needs, with the help of precise measuring tools. Mixing and reaction steps, strictly follow the established operating procedures, and control the reaction temperature, time and other conditions. Factors such as the pH of the reaction environment may also affect the reaction process and products, so careful monitoring and regulation are required.
In addition, waste disposal cannot be ignored. The remaining substances and reaction waste after use should not be discarded at will. It needs to be properly disposed of in accordance with relevant environmental regulations to prevent pollution of the environment and damage to the ecology.
In short, the use of phenylacetic acid, 3,4-dichloro - α - cyanide, from protection, storage, operation to waste treatment, every link needs to be strictly treated to ensure safe and efficient use and avoid accidents and hazards.
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