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2,3,5,6-Tetrachlorobenzene-1,4-Dicarbonyl Dichloride

Linshang Chemical

Specifications

HS Code

976738

Chemical Formula C8Cl6O2
Molar Mass 328.70 g/mol
Appearance Solid
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in common organic solvents like dichloromethane
Odor Pungent
Hazard Class Corrosive, Toxic (due to chlorine content)

As an accredited 2,3,5,6-Tetrachlorobenzene-1,4-Dicarbonyl Dichloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage
Packing 1 kg of 2,3,5,6 - tetrachlorobenzene - 1,4 - dicarbonyl dichloride in airtight chemical - resistant container.
Storage 2,3,5,6 - tetrachlorobenzene - 1,4 - dicarbonyl dichloride should be stored in a cool, dry, well - ventilated area, away from heat sources and ignition points. It should be stored in a tightly - sealed container to prevent moisture and air contact, as it may react with them. Keep it separate from incompatible substances like oxidizing agents, bases, and water - reactive materials to avoid dangerous reactions.
Shipping 2,3,5,6 - tetrachlorobenzene - 1,4 - dicarbonyl dichloride is a chemical. It should be shipped in tightly - sealed, corrosion - resistant containers, following hazardous chemicals regulations, with proper labeling for safe transportation.
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2,3,5,6-Tetrachlorobenzene-1,4-Dicarbonyl Dichloride 2,3,5,6-Tetrachlorobenzene-1,4-Dicarbonyl Dichloride
General Information
Where to Buy 2,3,5,6-Tetrachlorobenzene-1,4-Dicarbonyl Dichloride in China?
As a trusted 2,3,5,6-Tetrachlorobenzene-1,4-Dicarbonyl Dichloride 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 2,3,5,6-Tetrachlorobenzene-1,4-Dicarbonyl Dichloride 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 chemical properties of 2,3,5,6-tetrachlorobenzene-1,4-dicarbonyl dichloride
The properties of the halogen substitutes vary depending on the number and position of the halogen atoms. In 2,3,5,6-tetrachlorobenzene, and 1,4-dichlorobenzene, their chemical properties are related to each other.
2,3,5,6-tetrachlorobenzene, the molecule contains tetrachlorobenzene atoms, and the structure is dense. Halogen atoms have strong electronegativity, which reduces the electron cloud density of the benzene ring, making it difficult for its electrophilic substitution reaction. And because there are many halogen atoms, the spatial resistance is large, and it has a significant impact on many reactions. Its stability is high, and it is not easy to be broken by common reagents. In organic solvents, the solubility is affected by the polarity of the halogen atom. Although the benzene ring is non-polar, the polarity of the halogen atom causes it to
As for 1,4-dichlorobenzene, the number of halogen atoms is small, the electron cloud density of the benzene ring is less reduced, and the electrophilic substitution reaction is easier than that of 2,3,5,6-tetrachlorobenzene. The steric resistance is also small, and the reactivity is relatively high. However, compared with halogen-free benzene, the reactivity is different due to the electron-absorbing effect of halogen atoms. Its physical properties, such as melting point and boiling point, change due to the introduction of halogen atoms. Halogen atoms increase the intermolecular force, and the melting boiling point is higher than that of benzene.
Both chemical properties are affected by halogen atoms. 2,3,5,6-tetrachlorobenzene has more halogen atoms, high stability and low reactivity; 1,4-dichlorobenzene has fewer halogen atoms In the fields of organic synthesis, materials science, etc., the uses of the two are also different due to differences in properties.
What are the uses of 2,3,5,6-tetrachlorobenzene-1,4-dicarbonyl dichloride?
Dichlorine, trichlorine, pentachlorine, hexachloro-tetrachloride-one, tetrachloro-diphenyl dichloride compounds have a wide range of uses.
In the field of industry, it can be used as a solvent. Due to its good solubility, it can dissolve many organic substances. In the manufacture of coatings, inks, adhesives, etc., the solute is evenly dispersed, so that the product has better performance and appearance.
In chemical synthesis, it is an important intermediate. Through chemical reactions, it can be converted into a variety of organic compounds, such as pesticides, medicines, plastic additives, etc. With it as the basic raw material, through a specific reaction path, high-efficiency pesticides can be prepared to protect agricultural products from pest infestation; pharmaceutical intermediates with special structures and properties can also be synthesized, laying the foundation for the development of new drugs.
In the field of materials science, it plays an important role in the improvement of the properties of certain materials. Adding an appropriate amount of such compounds to plastics can optimize the flame retardancy, heat resistance and other properties of plastics, making plastic products more widely used, such as in electronic appliances, building materials and other fields, safer and more reliable.
However, it should be noted that some compounds such as dichlorine and trichlorine may be toxic and environmentally hazardous. When using, follow strict safety regulations and environmental protection requirements to ensure the safety of personnel and the environment is not polluted.
What is the preparation method of 2,3,5,6-tetrachlorobenzene-1,4-dicarbonyl dichloride?
To prepare dicyanodisulfide, the following method can be used.
Take 2,3,5,6-tetracyanobenzene first, and then prepare 1,4-dihalogen. Mix the two in an appropriate reaction vessel, add an appropriate amount of catalyst and solvent, control the temperature and pressure of the reaction, so that the two can react. When the reaction is carried out, careful observation is required, and the reaction should not be too violent or slow.
The solvent used must be able to dissolve the reactants and not react with the reactants and products. The choice of catalyst is also very critical, and the one that can effectively promote the reaction and improve the yield of the product is selected.
After the reaction is completed, the reaction solution is post-treated. The product can be separated by filtration, extraction, etc., and then purified by distillation, recrystallization, etc., to remove impurities and obtain pure dicyanodisulfide.
The whole process requires fine operation and precise control of conditions to produce two high-quality dicyanodisulfides.
Precautions for storing and transporting 2,3,5,6-tetrachlorobenzene-1,4-dicarbonyl dichloride
Dichlorine, trichlorine, pentachlorine, hexachlorine-carbon tetrachloride-monochlorine, tetrachlorine-dichlorodifluoride compounds have many precautions during storage and transportation, which must not be ignored.
Dichlorine, trichlorine, pentachlorine, hexachlorine, many of them are toxic and corrosive. When storing, choose a cool, dry and well-ventilated place to prevent them from evaporating and accumulating, causing poisoning or corroding surrounding objects. The container must be strong and sealed to prevent leakage. As "Tiangong Kaiwu" says, "If the device is tight, the material will not leak", which is the key to storage.
Carbon tetrachloride, although it has been used for fire suppression and other things, is very toxic and extremely harmful to human liver and other organs. During transportation, strict regulations need to be followed. Its packaging should be able to withstand vibration, collision and temperature changes, and should be isolated from food, medicine, etc., to avoid pollution.
Monochlorine, tetrachlorine and dichlorodifluoride compounds should not be taken lightly. Store away from fire and heat sources, because it may be flammable or can support combustion. During transportation, the escort must be familiar with its characteristics and be able to properly deal with emergencies. If all kinds of materials are treated with caution in "Tiangong Kaiwu", the same should be true for these compounds.
Furthermore, the disposal of these compounds after leakage is difficult and will cause serious pollution to the environment. Therefore, whether it is storage or transportation, a complete emergency plan should be developed in advance to deal with emergencies and ensure the safety of personnel and the environment.
What are the effects of 2,3,5,6-tetrachlorobenzene-1,4-dicarbonyl dichloride on the environment and human health?
Today, there are tetrachlorides of dichloro, trichloro, pentachloro, and hexachloro, as well as monochloro and tetrachlorobichloro dichloro. These substances have an impact on the environment and human health.
The tetrachlorides of dichloro, trichloro, pentachloro, and hexachloro, some of which are toxic and persistent. In the environment, they are difficult to degrade and can be retained for a long time. If they are scattered in the atmosphere or widely distributed by air currents, they may gradually settle in soil and water bodies. If they enter the soil, they may affect the soil and hinder plant growth; if they enter the water body, they can cause water pollution and endanger aquatic organisms. And these substances are bioaccumulative and are passed through the food chain layer by layer, and the concentration gradually rises. Eventually, they may endanger organisms For human health, it may damage the functions of organs such as the liver and kidneys, and may also interfere with the endocrine system, causing hormone imbalance. In the long run, it may increase the risk of cancer.
As for monochlorine and tetrachlorobichloro dichlorides, they should not be ignored. They may also exist stably in the environment and affect the ecological balance. They may irritate the respiratory tract and skin, causing inflammation and other discomfort. Long-term exposure to these substances may also affect the normal metabolism and physiological functions of the body, affecting health.
Therefore, such chlorine-containing compounds should be handled with caution. In industrial production, we should strive to reduce emissions; in daily life, we should also be careful not to release them at will to protect the environment and human health.