2,3-Dichlorobenzenesulphonyl Chloride

Linshang Chemical

Specifications

HS Code

133005

Chemical Formula C6H3Cl3O2S
Molar Mass 245.51 g/mol
Appearance White to off - white solid
Melting Point 56 - 58 °C
Boiling Point Decomposes
Solubility In Water Reacts with water
Solubility In Organic Solvents Soluble in many organic solvents like benzene, toluene
Density 1.66 g/cm³
Vapor Pressure Low vapor pressure
Hazard Class Corrosive

As an accredited 2,3-Dichlorobenzenesulphonyl Chloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage
Packing 250 - gram bottle packaging for 2,3 - dichlorobenzenesulphonyl chloride.
Storage 2,3 - dichlorobenzenesulphonyl chloride should be stored in a cool, dry, well - ventilated area away from heat sources and open flames. It should be kept in a tightly - sealed container to prevent moisture ingress and vapour leakage. Store it separately from incompatible substances like oxidizing agents, bases, and reactive metals to avoid potential chemical reactions.
Shipping 2,3 - dichlorobenzenesulphonyl chloride is a chemical. It should be shipped in tightly - sealed, corrosion - resistant containers, following strict hazardous materials regulations. Proper labeling indicating its nature is crucial for safe transportation.
Free Quote

Competitive 2,3-Dichlorobenzenesulphonyl Chloride 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

2,3-Dichlorobenzenesulphonyl Chloride 2,3-Dichlorobenzenesulphonyl Chloride
General Information
Where to Buy 2,3-Dichlorobenzenesulphonyl Chloride in China?
As a trusted 2,3-Dichlorobenzenesulphonyl Chloride manufacturer, we deliver: Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements. Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery. Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
Frequently Asked Questions

As a leading 2,3-Dichlorobenzenesulphonyl Chloride 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 2,3-dichlorobenzenesulfonyl chloride?
2% 2C3-dihydrofurano [2,3-b] pyridine-6-one. The physical properties of this substance are as follows:
It is mostly solid at room temperature and pressure. Looking at its appearance, it is usually white to light yellow crystalline powder. Those with pure quality have uniform color and fine and no impurities.
When it comes to the melting point, it is within a specific temperature range. This temperature is the critical value for a substance to change from a solid to a liquid state, which is of great significance for its identification and purification. The value of the boiling point is also within a specific range. When this temperature is reached, the substance will change from a liquid state to a gas state.
In terms of solubility, it has certain solubility in some organic solvents, such as ethanol and acetone. This property makes it possible to separate, purify and react with suitable solvents in many fields such as chemical synthesis and drug preparation. However, in water, its solubility is relatively limited, and it is difficult to form a uniform and stable solution.
Density is also one of its important physical properties. The specific density value reflects the mass of a substance per unit volume. This parameter is indispensable for storage, transportation and related process design.
In addition, its refractive index also has a unique value. The refractive index can characterize the degree of change in the direction of light propagation in the substance, which is of great practical value in the field of analysis and identification.
In summary, the physical properties of 2% 2C3-dihydrofurano [2,3-b] pyridine-6-one play a crucial role in its application in scientific research, production and many other aspects, laying the foundation for in-depth exploration and rational utilization of this substance.
What are the chemical properties of 2,3-dichlorobenzenesulfonyl chloride?
2% 2C3-difluorobenzoyl chloride has unique chemical properties. The following is what Jun said in detail:
This material has the general properties of acyl chloride and is very lively. In contact with water, it hydrolyzes rapidly, just like a flood dragon entering the water, stirring up thousands of waves, generating 2% 2C3-difluorobenzoic acid and hydrogen chloride. Its reaction is intense, like cooking oil on fire, so in humid air, it can be seen that it "hisses" and rises white mist. This is because hydrogen chloride meets water vapor and forms small droplets of hydrochloric acid.
When it meets alcohol, it is like dry wood encountering fire, which rapidly undergoes alcoholysis and turns into corresponding esters and hydrogen chloride. It is like dancing hand in hand and rearranging the combination. When it encounters amines, it is no different from aminolysis to form amides and hydrogen chloride. This is because the carbon-chlorine bond in its acid chloride group is extremely unstable, and the chlorine atom is like a free soldier, which is easily replaced by other groups.
The characteristics of its fluorine atom also add to its chemical properties. Fluorine atoms are extremely electronegative, such as strong magnets, and have extraordinary ability to attract electrons. As a result, the electron cloud density of the benzene ring decreases, just like the foundation of a building changes, which in turn affects the substitution reaction on the benzene ring. During the electrophilic substitution reaction, the reactivity decreases compared with benzene, just like a person on the road is blocked and the pace slows down; while during the nucleophilic substitution reaction, the reactivity increases due to the electron-absorbing effect of fluorine atoms, as if the willows are dark and the flowers are
2% 2C3-difluorobenzoyl chloride is a weapon in the hands of skilled craftsmen in the field of organic synthesis and has a wide range of uses. It is often a key intermediate in the synthesis of drugs, pesticides and materials with special structures, and plays an indispensable role in the stage of fine chemistry.
What are the common uses of 2,3-dichlorobenzenesulfonyl chloride?
The common use of 2% 2C3-dihydrofuranthiophene borane is in the field of organic synthesis. It can be used as a key reagent to play an important role in the reaction of forming carbon-carbon bonds and carbon-heteroatomic bonds.
In palladium-catalyzed cross-coupling reactions, 2% 2C3-dihydrofuranthiophene borane can react with haloaromatics or haloolefins to efficiently generate biaryl or alkenylated products. This reaction has mild conditions and good selectivity, and is widely used in drug synthesis, materials science and many other fields.
Furthermore, when constructing complex cyclic structures, 2% 2C3-dihydrofuranthiophene borane can be used as a unique synthesizer to participate in cyclization reactions and help synthesize compounds with special structures and biological activities.
And because of its structural characteristics of boranes, 2% 2C3-dihydrofuranthiophene borane can provide chiral induction in some asymmetric synthesis reactions, achieving asymmetric construction of chiral compounds, providing an effective way to obtain optically pure organic compounds.
2% 2C3 -dihydrofuranthiophene borane occupies an important position in the field of organic synthetic chemistry due to its unique reactivity and structural characteristics, providing powerful tools and methods for the creation of new organic compounds and the total synthesis of complex natural products.
What is the preparation method of 2,3-dichlorobenzenesulfonyl chloride?
To prepare the bromide of 2,3-dihydrobenzofuran, the method is as follows:
First take an appropriate amount of benzofuran and place it in a clean reactor. The environment in the kettle needs to be kept dry and oxygen-free to prevent side reactions from occurring. Slowly add an appropriate amount of hydrobromic acid dropwise into it. When adding dropwise, you need to constantly stir to make the two fully contact and react evenly. In this process, the temperature should be controlled in a moderate range, not too high or too low. If the temperature is too high, the reaction will be too violent and impurities will easily form; if the temperature is too low, the reaction rate will be slow and the time-consuming will be too long.
At the same time, an appropriate amount of catalyst can be added to speed up the reaction process. The added catalyst should be carefully selected according to the specific needs and conditions of the reaction, and the dosage should also be precisely controlled. Too much catalyst may cause the reaction to go out of control; too little, the catalytic effect will not be good.
When the reaction is in progress, pay close attention to the reaction phenomenon and process. After the reaction is completed, use a suitable separation and purification method to obtain pure 2,3-dihydrobenzofuran bromide. The product can be separated from the reaction mixture by extraction first, using a suitable extractant. Then by distillation, recrystallization and other means, the product is further purified to achieve the required purity standard. In this way, the bromide of 2,3-dihydrobenzofuran can be obtained.
What are the precautions for using 2,3-dichlorobenzenesulfonyl chloride?
2% 2C3-difluorobenzoyl chloride is an extremely important intermediate in organic synthesis. During use, there are many key precautions that need to be treated with caution.
First, safety protection must be comprehensive. This substance is highly corrosive and irritating, and can cause serious damage to the skin, eyes and respiratory tract. When using it, you must wear protective clothing, protective gloves and goggles to prevent inadvertent contact. If the skin or eyes come into contact with this substance during operation, you should immediately rinse with plenty of water and seek medical attention promptly.
Second, storage conditions must be strictly controlled. Store in a cool, dry and well-ventilated place, away from fire and heat sources. Because it is volatile, if stored improperly, it is easy to cause leakage, which can lead to safety accidents. At the same time, it should be stored separately from oxidants, alkalis and other substances, and must not be mixed to avoid dangerous chemical reactions.
Third, the operating environment should not be ignored. The use process should be carried out in a fume hood to ensure good ventilation conditions to effectively prevent the accumulation of steam in the air and avoid the inhalation of operators. In addition, the operation site should be equipped with suitable fire fighting equipment and leakage emergency treatment equipment, just in case.
Fourth, the use process should strictly follow the specifications. Just use an appropriate amount to avoid unnecessary waste and prevent excessive use from increasing the risk factor. After use, properly dispose of the remaining substances and containers, and do not discard them at will to avoid pollution to the environment.
In short, the use of 2% 2C3-difluorobenzoyl chloride must adhere to the principles of caution and standardization, and implement all precautions in an all-round way to ensure safe operation and avoid accidents.