Linshang Chemical
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Benzenesulfonyl Chloride, 3-Chloro-2-Fluoro-
Linshang Chemical
|
HS Code |
202115 |
| Chemical Formula | C6H3Cl2FO2S |
| Molecular Weight | 245.06 |
| Appearance | Typically a colorless to pale yellow liquid |
| Boiling Point | Approximately in a certain range (data may vary) |
| Melting Point | Specific value (data may vary) |
| Density | Some value in g/cm³ (data may vary) |
| Solubility | Solubility characteristics in common solvents (data may vary) |
| Flash Point | Value indicating flammability risk (data may vary) |
| Purity | Can be of different purity levels, e.g., high - purity grades available |
| Hazard Class | Corrosive, harmful (hazards based on chemical nature) |
As an accredited Benzenesulfonyl Chloride, 3-Chloro-2-Fluoro- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 3 - chloro - 2 - fluoro - benzenesulfonyl chloride in a sealed chemical - grade bottle. |
| Storage | **Storage of 3 - chloro - 2 - fluoro - benzenesulfonyl chloride**: Store this chemical in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in a tightly sealed container, preferably made of corrosion - resistant materials. Since it is reactive, isolate it from incompatible substances like bases, amines, and water to prevent dangerous reactions. |
| Shipping | Benzenesulfonyl Chloride, 3 - chloro - 2 - fluoro - is shipped in accordance with strict chemical transport regulations. It's typically in well - sealed containers, protected from moisture and heat, and transported by carriers licensed for hazardous chemicals. |
Competitive Benzenesulfonyl Chloride, 3-Chloro-2-Fluoro- 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.
We will respond to you as soon as possible.
Tel: +8615365006308
Email: info@alchemist-chem.com
Where to Buy Benzenesulfonyl Chloride, 3-Chloro-2-Fluoro- in China?
As a trusted Benzenesulfonyl Chloride, 3-Chloro-2-Fluoro- manufacturer, we deliver:
Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements.
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Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
As a leading Benzenesulfonyl Chloride, 3-Chloro-2-Fluoro- 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 physical properties of 3-chloro-2-fluorobenzenesulfonyl chloride?
3-Deuterium-2-tritium-helium is silver deuterium gas, and its physical properties can be investigated. This gas is also pure in color and clear in quality. Under normal circumstances, it is colorless and transparent. It is like a void and invisible, but exists between heaven and earth.
Its density is quite special compared to ordinary gases. It is lighter than air, so it can float up lightly. In the atmosphere, it is like a floating ping chasing the wind and rising freely. Its lightness also makes it uniquely distributed in space, often gathering at high places, as if it wants to touch the sky and approach the sky.
Furthermore, the boiling point and melting point of this gas are also unique. The boiling point is extremely low, and it needs to be extremely cold to make it change from gaseous to liquid, just like the normal state of the world, and it has extraordinary tolerance to hot and cold changes. The melting point is also the same, unless it is extremely low temperature, it cannot be solidified and formed, just like a sturdy quality, which is not moved by ordinary temperatures.
3-deuterium-2-tritium helium is silver deuterium gas, and its thermal conductivity is also considerable. Although it is a gas, its thermal conductivity is different from that of ordinary gas, and it shows its unique properties in the transfer of heat. When heated, it can quickly absorb and conduct thermal energy, just like a spiritual medium, and deduce a unique transmission movement in the hot world.
And the solubility of this gas can also be described. In many common solvents, its dissolution behavior is specific, and it does not flow with ordinary gas. Or it is insoluble in water, or it has a different degree of dissolution in organic solvents, adding many variables and possibilities to its existence and reaction in the world.
3-Deuterium-2-tritium helium has the physical properties of silver deuterium gas. In the field of science, it is like a mysterious key, opening the door to the unknown. Wait for the wise to explore in depth to understand the mysteries, adding bricks and mortar for human beings to understand nature and open up the boundaries of science.
Its density is quite special compared to ordinary gases. It is lighter than air, so it can float up lightly. In the atmosphere, it is like a floating ping chasing the wind and rising freely. Its lightness also makes it uniquely distributed in space, often gathering at high places, as if it wants to touch the sky and approach the sky.
Furthermore, the boiling point and melting point of this gas are also unique. The boiling point is extremely low, and it needs to be extremely cold to make it change from gaseous to liquid, just like the normal state of the world, and it has extraordinary tolerance to hot and cold changes. The melting point is also the same, unless it is extremely low temperature, it cannot be solidified and formed, just like a sturdy quality, which is not moved by ordinary temperatures.
3-deuterium-2-tritium helium is silver deuterium gas, and its thermal conductivity is also considerable. Although it is a gas, its thermal conductivity is different from that of ordinary gas, and it shows its unique properties in the transfer of heat. When heated, it can quickly absorb and conduct thermal energy, just like a spiritual medium, and deduce a unique transmission movement in the hot world.
And the solubility of this gas can also be described. In many common solvents, its dissolution behavior is specific, and it does not flow with ordinary gas. Or it is insoluble in water, or it has a different degree of dissolution in organic solvents, adding many variables and possibilities to its existence and reaction in the world.
3-Deuterium-2-tritium helium has the physical properties of silver deuterium gas. In the field of science, it is like a mysterious key, opening the door to the unknown. Wait for the wise to explore in depth to understand the mysteries, adding bricks and mortar for human beings to understand nature and open up the boundaries of science.
What are the chemical properties of 3-chloro-2-fluorobenzenesulfonyl chloride?
3-Bromo-2-chlorobenzaldehyde is an organic compound with the following chemical properties:
1. ** Properties of aldehyde group **:
- ** Oxidation reaction **: The aldehyde group can be oxidized. In case of weak oxidants such as torun reagent (silver ammonia solution), a silver mirror reaction can occur. Its chemical reaction formula is: 3-bromo-2-chlorobenzaldehyde reacts with silver ammonia solution to generate 3-bromo-2-chlorobenzoate ammonium, silver elemental, ammonia and water. In case of strong oxidants such as acidic potassium permanganate solution, the aldehyde group will be oxidized to a carboxyl group to obtain 3-bromo-2-chlorobenzoic acid.
- ** Reduction Reaction **: The aldehyde group can be reduced. Using hydrogen as a reducing agent, under the action of a catalyst (such as nickel, palladium, etc.), the aldehyde group can be reduced to a hydroxyl group to generate 3-bromo-2-chlorobenzyl alcohol.
- ** Addition Reaction **: The carbon-oxygen double bond in the aldehyde group can be added. Under the action of an acidic catalyst, an acetalization reaction can occur with alcohols. If it reacts with ethanol to generate acetals, this reaction is often used to protect aldehyde groups in organic synthesis.
2. ** Properties of Halogen Atoms **:
- ** Substitution Reaction **: Both bromine atoms and chlorine atoms can undergo substitution reactions. Under alkaline conditions, such as co-heating with aqueous sodium hydroxide solutions, halogen atoms can be replaced by hydroxyl groups to generate 3-hydroxy-2-hydroxybenzaldehyde (but this product is unstable and may further rearrange and other reactions). If reacted with nucleophiles such as sodium alcohol, halogen atoms can be replaced by alkoxy groups.
- ** Elimination Reaction **: Under the action of strong bases (such as alcohol solutions of sodium alcohol), when there are hydrogen atoms on the adjacent carbon of the halogen atom, an elimination reaction can occur to generate unsaturated compounds containing carbon-carbon double bonds.
3. ** Properties of benzene ring **:
- ** Electrophilic substitution reaction **: The benzene ring is electron-rich and prone to electrophilic substitution. Because the aldehyde group is a meta-locator, and the bromine atom and the chlorine atom are o-para-locators, under the combined influence, the new substituents mainly enter the meta-site of the aldehyde group and the o-para-site of the halogen atom. If a nitrification reaction occurs, a corresponding nitro substituent can be generated; if a halogenation reaction occurs, a new halogen atom can be introduced.
1. ** Properties of aldehyde group **:
- ** Oxidation reaction **: The aldehyde group can be oxidized. In case of weak oxidants such as torun reagent (silver ammonia solution), a silver mirror reaction can occur. Its chemical reaction formula is: 3-bromo-2-chlorobenzaldehyde reacts with silver ammonia solution to generate 3-bromo-2-chlorobenzoate ammonium, silver elemental, ammonia and water. In case of strong oxidants such as acidic potassium permanganate solution, the aldehyde group will be oxidized to a carboxyl group to obtain 3-bromo-2-chlorobenzoic acid.
- ** Reduction Reaction **: The aldehyde group can be reduced. Using hydrogen as a reducing agent, under the action of a catalyst (such as nickel, palladium, etc.), the aldehyde group can be reduced to a hydroxyl group to generate 3-bromo-2-chlorobenzyl alcohol.
- ** Addition Reaction **: The carbon-oxygen double bond in the aldehyde group can be added. Under the action of an acidic catalyst, an acetalization reaction can occur with alcohols. If it reacts with ethanol to generate acetals, this reaction is often used to protect aldehyde groups in organic synthesis.
2. ** Properties of Halogen Atoms **:
- ** Substitution Reaction **: Both bromine atoms and chlorine atoms can undergo substitution reactions. Under alkaline conditions, such as co-heating with aqueous sodium hydroxide solutions, halogen atoms can be replaced by hydroxyl groups to generate 3-hydroxy-2-hydroxybenzaldehyde (but this product is unstable and may further rearrange and other reactions). If reacted with nucleophiles such as sodium alcohol, halogen atoms can be replaced by alkoxy groups.
- ** Elimination Reaction **: Under the action of strong bases (such as alcohol solutions of sodium alcohol), when there are hydrogen atoms on the adjacent carbon of the halogen atom, an elimination reaction can occur to generate unsaturated compounds containing carbon-carbon double bonds.
3. ** Properties of benzene ring **:
- ** Electrophilic substitution reaction **: The benzene ring is electron-rich and prone to electrophilic substitution. Because the aldehyde group is a meta-locator, and the bromine atom and the chlorine atom are o-para-locators, under the combined influence, the new substituents mainly enter the meta-site of the aldehyde group and the o-para-site of the halogen atom. If a nitrification reaction occurs, a corresponding nitro substituent can be generated; if a halogenation reaction occurs, a new halogen atom can be introduced.
What are the main uses of 3-chloro-2-fluorobenzenesulfonyl chloride?
The main uses of 3-bromo-2-chlorobenzoic acid bromochlorine involve many fields, and it plays a pivotal role in chemical synthesis.
In the field of organic synthesis, the two are often used as key intermediates. Taking 3-bromo-2-chlorobenzoic acid as an example, its bromine and chlorine atomic activity is unique, and it can combine with various organic reagents through many chemical reactions, such as nucleophilic substitution, coupling reaction, etc., to derive organic compounds with complex structures and different functions. For example, it can undergo nucleophilic substitution with compounds containing hydroxyl groups and amino groups to create ether and amine derivatives, which is of great significance in the field of medicinal chemistry. In the process of developing many new drugs, such reactions are often used to build the core skeleton and endow drugs with specific physiological activities.
In the field of materials science, bromine and chlorine atoms in 3-bromo-2-chlorobenzoic acid can affect the electronic structure and physical properties of materials. By introducing such halogen atoms, the conductivity and optical properties of materials can be regulated. For example, when preparing organic optoelectronic materials, it can improve the absorption and emission characteristics of materials to light, improve the photoelectric conversion efficiency of materials, and then be used to fabricate high-efficiency solar cells, Light Emitting Diodes and other optoelectronic devices.
Furthermore, in the field of pesticide chemistry, the introduction of bromine and chlorine atoms can often enhance the biological activity and stability of compounds. 3-Bromo-2-chlorobenzoic acid can be used as an important raw material for the synthesis of pesticides, and the synthesized pesticides show excellent control effects on specific pests and diseases. Halogen atoms can change the interaction mode between compounds and targets in organisms, improve the selectivity and durability of pesticides, and contribute greatly to the prevention and control of pests and diseases in agricultural production.
To sum up, the bromine and chlorine in 3-bromo-2-chlorobenzoic acid play an indispensable role in many fields such as organic synthesis, materials science, and pesticide chemistry due to their unique chemical properties, and have far-reaching significance in promoting the development of related industries.
In the field of organic synthesis, the two are often used as key intermediates. Taking 3-bromo-2-chlorobenzoic acid as an example, its bromine and chlorine atomic activity is unique, and it can combine with various organic reagents through many chemical reactions, such as nucleophilic substitution, coupling reaction, etc., to derive organic compounds with complex structures and different functions. For example, it can undergo nucleophilic substitution with compounds containing hydroxyl groups and amino groups to create ether and amine derivatives, which is of great significance in the field of medicinal chemistry. In the process of developing many new drugs, such reactions are often used to build the core skeleton and endow drugs with specific physiological activities.
In the field of materials science, bromine and chlorine atoms in 3-bromo-2-chlorobenzoic acid can affect the electronic structure and physical properties of materials. By introducing such halogen atoms, the conductivity and optical properties of materials can be regulated. For example, when preparing organic optoelectronic materials, it can improve the absorption and emission characteristics of materials to light, improve the photoelectric conversion efficiency of materials, and then be used to fabricate high-efficiency solar cells, Light Emitting Diodes and other optoelectronic devices.
Furthermore, in the field of pesticide chemistry, the introduction of bromine and chlorine atoms can often enhance the biological activity and stability of compounds. 3-Bromo-2-chlorobenzoic acid can be used as an important raw material for the synthesis of pesticides, and the synthesized pesticides show excellent control effects on specific pests and diseases. Halogen atoms can change the interaction mode between compounds and targets in organisms, improve the selectivity and durability of pesticides, and contribute greatly to the prevention and control of pests and diseases in agricultural production.
To sum up, the bromine and chlorine in 3-bromo-2-chlorobenzoic acid play an indispensable role in many fields such as organic synthesis, materials science, and pesticide chemistry due to their unique chemical properties, and have far-reaching significance in promoting the development of related industries.
What are the preparation methods of 3-chloro-2-fluorobenzenesulfonyl chloride?
To prepare 3-bromo-2-pentenaldehyde bromide, the following methods can be used:
First, use 2-pentenaldehyde as the base, so that it can be combined with the brominating agent in a suitable environment. Take an appropriate amount of 2-pentenaldehyde, place it in a clean container, cold it in an ice bath, and slowly drop into the inert solvent solution of bromine, such as the carbon tetrachloride solution of bromine. In the meantime, you must stir slowly and control the temperature carefully, so as not to cause side effects if it is too high. Bromine and 2-pentenaldehyde are combined in an appropriate ratio, generally with slightly more bromine, which can protect 2-pentenaldehyde. 3-Bromo-2-pentenal bromide can be obtained by dropwise addition, ice removal, and purification at room temperature, such as column chromatography, vacuum distillation, and the like.
Second, it can be obtained by serial conversion of pentenol. First, the pentenol is mildly oxidized to 2-pentenal with a suitable oxidizing agent, such as chromium trioxide-pyridine complex. When the aldehyde is formed, 3-bromo-2-pentenal bromide is prepared by the above method of combining with bromine. There is one more step of oxidation in this way, but the raw material pentenol is easy to buy and affordable, and the control of each step is convenient.
Third, it is based on the condensation reaction of alkenyl halide and aldehyde. Take an appropriate alkenyl halide, such as 3-halo-2-pentene, and combine it with an aldehyde reagent under the catalysis of a base. Choose a mild base, such as potassium carbonate, sodium carbonate, etc., in an organic solvent, heat and stir it. After the reaction is completed, the purpose of preparing 3-bromo-2-pentenal bromide can also be achieved through separation and purification. The characteristics of the alkenyl halide, and the choice of alkali and temperature control have a great influence on the efficiency and purity of the product.
Each method has its own length, and the actual production should be based on the preparation of raw materials, equipment, production requirements and other factors.
First, use 2-pentenaldehyde as the base, so that it can be combined with the brominating agent in a suitable environment. Take an appropriate amount of 2-pentenaldehyde, place it in a clean container, cold it in an ice bath, and slowly drop into the inert solvent solution of bromine, such as the carbon tetrachloride solution of bromine. In the meantime, you must stir slowly and control the temperature carefully, so as not to cause side effects if it is too high. Bromine and 2-pentenaldehyde are combined in an appropriate ratio, generally with slightly more bromine, which can protect 2-pentenaldehyde. 3-Bromo-2-pentenal bromide can be obtained by dropwise addition, ice removal, and purification at room temperature, such as column chromatography, vacuum distillation, and the like.
Second, it can be obtained by serial conversion of pentenol. First, the pentenol is mildly oxidized to 2-pentenal with a suitable oxidizing agent, such as chromium trioxide-pyridine complex. When the aldehyde is formed, 3-bromo-2-pentenal bromide is prepared by the above method of combining with bromine. There is one more step of oxidation in this way, but the raw material pentenol is easy to buy and affordable, and the control of each step is convenient.
Third, it is based on the condensation reaction of alkenyl halide and aldehyde. Take an appropriate alkenyl halide, such as 3-halo-2-pentene, and combine it with an aldehyde reagent under the catalysis of a base. Choose a mild base, such as potassium carbonate, sodium carbonate, etc., in an organic solvent, heat and stir it. After the reaction is completed, the purpose of preparing 3-bromo-2-pentenal bromide can also be achieved through separation and purification. The characteristics of the alkenyl halide, and the choice of alkali and temperature control have a great influence on the efficiency and purity of the product.
Each method has its own length, and the actual production should be based on the preparation of raw materials, equipment, production requirements and other factors.
What should be paid attention to when storing and transporting 3-chloro-2-fluorobenzenesulfonyl chloride?
Ethyl 3-chloro-2-bromobenzoate is an organic compound. Caution must be taken when storing and transporting. The following items should not be ignored:
Storage precautions
1. ** Environmental selection **: It should be placed in a cool and ventilated warehouse. This compound is easy to decompose or cause other chemical reactions when heated, so the low temperature environment can reduce its reactivity; good ventilation can avoid excessive concentration caused by the accumulation of volatile gases and cause safety hazards.
2. ** Keep away from fire sources and heat sources **: It is flammable, and there is a risk of combustion in case of open flames and hot topics. Therefore, the warehouse must be kept away from fire sources and heat sources. Smoking is strictly prohibited, and appropriate fire equipment should be equipped.
3. ** Isolation from other substances **: It must be stored separately from oxidants, acids, alkalis, etc., and should not be mixed with storage. Due to its active chemical properties, chemical reactions are prone to occur in contact with these substances, which may lead to combustion, explosion or the formation of harmful substances. For example, mixing with oxidants may trigger a violent oxidation reaction.
4. ** Packaging seal **: Ensure that the packaging is complete and sealed to prevent moisture absorption, volatilization or reaction with air components. Because it may interact with oxygen, water vapor in the air, etc., it affects quality and stability.
5. ** Clear identification **: The storage area should be clearly marked, indicating the name of the chemical, danger and other information for identification and management. In case of an accident, rescue personnel can quickly know the characteristics of the substance.
Transportation Precautions
1. ** Packaging compliance **: Transportation packaging must comply with relevant regulations to ensure that it is not damaged or leaked during transportation. Generally, sturdy packaging containers are used, and the interior is filled with appropriate buffer materials to prevent damage to the packaging due to collision and vibration.
2. ** Vehicle selection **: Select suitable transportation vehicles to ensure that the vehicles have safety facilities such as fire prevention and explosion protection, and are clean, dry, and free of other residual substances that may react with them.
3. ** Avoid mixed transportation **: Do not mix with oxidants, acids, alkalis, etc., to reduce the possibility of dangerous reactions during transportation.
4. ** Special escort **: The transportation process should be escorted by special personnel. The escort personnel must be familiar with the nature of the chemical and emergency treatment methods. During transportation, regularly check the status of the goods and deal with abnormalities in a timely manner.
5. ** Emergency Preparedness **: Vehicles should be equipped with necessary emergency treatment equipment and protective equipment, such as fire extinguishers, leakage emergency treatment tools, personal protective equipment, etc., in order to take prompt measures in emergencies and reduce hazards.
Storage precautions
1. ** Environmental selection **: It should be placed in a cool and ventilated warehouse. This compound is easy to decompose or cause other chemical reactions when heated, so the low temperature environment can reduce its reactivity; good ventilation can avoid excessive concentration caused by the accumulation of volatile gases and cause safety hazards.
2. ** Keep away from fire sources and heat sources **: It is flammable, and there is a risk of combustion in case of open flames and hot topics. Therefore, the warehouse must be kept away from fire sources and heat sources. Smoking is strictly prohibited, and appropriate fire equipment should be equipped.
3. ** Isolation from other substances **: It must be stored separately from oxidants, acids, alkalis, etc., and should not be mixed with storage. Due to its active chemical properties, chemical reactions are prone to occur in contact with these substances, which may lead to combustion, explosion or the formation of harmful substances. For example, mixing with oxidants may trigger a violent oxidation reaction.
4. ** Packaging seal **: Ensure that the packaging is complete and sealed to prevent moisture absorption, volatilization or reaction with air components. Because it may interact with oxygen, water vapor in the air, etc., it affects quality and stability.
5. ** Clear identification **: The storage area should be clearly marked, indicating the name of the chemical, danger and other information for identification and management. In case of an accident, rescue personnel can quickly know the characteristics of the substance.
Transportation Precautions
1. ** Packaging compliance **: Transportation packaging must comply with relevant regulations to ensure that it is not damaged or leaked during transportation. Generally, sturdy packaging containers are used, and the interior is filled with appropriate buffer materials to prevent damage to the packaging due to collision and vibration.
2. ** Vehicle selection **: Select suitable transportation vehicles to ensure that the vehicles have safety facilities such as fire prevention and explosion protection, and are clean, dry, and free of other residual substances that may react with them.
3. ** Avoid mixed transportation **: Do not mix with oxidants, acids, alkalis, etc., to reduce the possibility of dangerous reactions during transportation.
4. ** Special escort **: The transportation process should be escorted by special personnel. The escort personnel must be familiar with the nature of the chemical and emergency treatment methods. During transportation, regularly check the status of the goods and deal with abnormalities in a timely manner.
5. ** Emergency Preparedness **: Vehicles should be equipped with necessary emergency treatment equipment and protective equipment, such as fire extinguishers, leakage emergency treatment tools, personal protective equipment, etc., in order to take prompt measures in emergencies and reduce hazards.
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