Chlorobenzene Acid
Linshang Chemical
HS Code |
351883 |
Name | Chlorobenzoic acid |
Chemical Formula | C7H5ClO2 |
Molar Mass | 156.57 g/mol |
Appearance | White to yellow - white solid |
Odor | Characteristic |
Solubility In Water | Slightly soluble |
Solubility In Organic Solvents | Soluble in many organic solvents like ethanol, ether |
Melting Point | 139 - 143 °C |
Boiling Point | 274 - 277 °C |
Acidity Pka | 3.97 (for para - chlorobenzoic acid) |
Density | 1.42 g/cm³ |
As an accredited Chlorobenzene Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
Packing | Chlorobenzene Acid packaged in 5 - kg containers for safe storage and transport. |
Storage | Chlorobenzoic acid should be stored in a cool, dry, well - ventilated area, away from heat and ignition sources. Keep it in tightly - sealed containers to prevent moisture absorption and evaporation. Store separately from oxidizing agents and bases to avoid potential chemical reactions. Use storage facilities compliant with safety regulations to ensure its safe keeping. |
Shipping | Chlorobenzene Acid is shipped in tightly - sealed, corrosion - resistant containers. Due to its chemical nature, it's transported with proper hazard labels, following strict regulations to ensure safe transit and prevent environmental contamination. |
Competitive Chlorobenzene Acid 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


As a leading Chlorobenzene Acid supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
As for the combination of acids, in some chemical processes, acids can be used as catalysts. For example, in specific organic synthesis reactions, an appropriate amount of acid can accelerate the reaction process participated in by chlorobenzene, improve the reaction efficiency and product yield. And in the manufacture of dyes, chlorobenzene and acids also play an important role. Chlorobenzene can be converted into dye intermediates through a series of reactions. In this process, acids either adjust the reaction environment or promote the transformation of specific functional groups, helping to generate dyes with bright colors and excellent properties.
Furthermore, in the preparation of some fine chemical products, chlorobenzene and acids work synergistically to synthesize compounds with special functions. These compounds are used in electronics, materials and other fields, providing important support for the development of related industries. In short, chlorobenzene and acids in many branches of the chemical industry, with their unique chemical properties and interactions, contribute to the production of various important products.
As for acids, there are many kinds, and the physical properties of different acids vary significantly. Common hydrochloric acid is an aqueous solution of hydrogen chloride. Concentrated hydrochloric acid is volatile and will form a white mist in the air. Because the volatile hydrogen chloride gas combines with water vapor in the air to form small droplets of hydrochloric acid. Sulfuric acid is a colorless and viscous oily liquid at room temperature, with a high density, about 1.84 g/cm ³. It has a high boiling point and is difficult to volatilize.
When chlorobenzene coexists with an acid, if the acid is a non-oxidizing acid and does not chemically react with chlorobenzene, the physical properties of the two remain basically independent. Chlorobenzene still maintains its inherent properties such as density and boiling point, and the same is true for acids. However, if the acid is an oxidizing acid and reacts with chlorobenzene under certain conditions, the physical properties of the product will be completely different. New organic compounds may be formed, and their phase state, odor, density, melting and boiling point will change. For example, if a substitution reaction introduces a polar group, the polarity of the product increases, the solubility in water may change, and the melting boiling point may also change due to changes in intermolecular forces.
When encountering acid, in some cases, a substitution reaction can occur. If the acid is strongly oxidizing, such as a mixed acid of concentrated sulfuric acid and concentrated nitric acid, under appropriate conditions, the benzene ring of chlorobenzene can undergo nitration reaction. This is because the benzene ring has electron-rich properties and is vulnerable to attack by electrophilic reagents. In the mixed acid, nitric acid generates nitroyl positive ion (NO ²) under the action of sulfuric acid. This is a strong electrophilic reagent, which will attack the higher density of the electron cloud of the benzene ring and replace the hydrogen atom on the benzene ring to generate nitrochlorobenzene
In case of protonic acids, such as hydrochloric acid, hydrobromic acid, etc., chlorobenzene is relatively stable under conventional conditions and is not easy to react directly with it. Because the chlorine atom forms a conjugate system with the benzene ring, the C-Cl bond has some double bond properties, and the bond energy is enhanced. Generally, it is difficult for protonic acids to break this bond to initiate a reaction.
However, under specific catalysts and reaction conditions, acids can catalyze other reactions of chlorobenzene. For example, under the catalysis of Lewis acids such as AlCl 🥰, chlorobenzene can undergo Fu-gram alkylation reaction with halogenated alkanes, or Fu-gram acylation reaction with acyl halides, so as to realize the substitution modification on the benzene ring
In conclusion, the chemical behavior of chlorobenzene in contact with acids varies according to factors such as the type of acid, the reaction conditions, and whether there is a catalyst, showing rich changes and laws in organic chemistry.
In the process of chlorination, benzene is mixed with chlorine gas, with iron salt or anhydrous ferric chloride as catalyst, and the substitution reaction is carried out at a specific temperature and pressure. Its temperature is mostly controlled between 50 and 60 degrees. This is because of the appropriate temperature, which can make the reaction speed and yield good, and avoid side reactions.
The reaction device is often a chlorination kettle, and the material is mostly corrosion-resistant to prevent chlorine and acid corrosion. Benzene and chlorine gas enter the kettle in a certain ratio, and the amount of catalyst is also finely adjusted to promote smooth reaction.
After the reaction is completed, the product contains chlorobenzene, untreated benzene and by-product hydrogen chloride. This needs to be separated and refined. First, by distillation, according to the boiling point of each substance, chlorobenzene and untreated benzene are divided. Untreated benzene can be recycled and reused to save raw materials.
Then, hydrogen chloride and other impurities are removed. Hydrogen chloride can be absorbed with water to form hydrochloric acid, which can be used in other processes. The remaining impurities are removed by adsorption, extraction, etc., to obtain high-purity chlorobenzene.
In addition, in the participation of acid, acid can be used as a catalyst to increase the speed of reaction; or in refining, it can help remove impurities. When using acid, it is necessary to be careful about its corrosiveness, to ensure the completion of the equipment, and to discard waste acid and prevent pollution. In summary, the production process of chlorobenzene and acid needs to be carefully controlled in each step to achieve the purpose of high yield and excellent yield.
First, it is related to storage. Both need to be stored in a cool and ventilated warehouse. Chlorobenzene is toxic and flammable, and should be kept away from fire and heat sources. The storage temperature should not be too high. It should be stored separately from oxidants and food chemicals, and should not be mixed. Acids are corrosive and should also be avoided from co-storage with substances that can react violently with them. In the warehouse, suitable materials for containing leaks should be prepared in case of leaks.
Second, regarding transportation. When transporting chlorobenzene, vehicles should be equipped with corresponding types and quantities of fire equipment and leakage emergency treatment equipment. It is best to transport in the morning and evening in summer to prevent danger caused by excessive temperature in the car due to sunlight exposure. During transportation, ensure that the container does not leak, collapse, fall, or damage. Special corrosion-resistant containers and transportation tools are required for the transportation of acid. Transport personnel must know the characteristics of the transported items and follow strict transportation specifications to prevent acid leakage and corrosion of surrounding items and people. When loading and unloading, it should be handled lightly to avoid package damage caused by collision, causing accidents such as volatile chlorobenzene or acid leakage.
Furthermore, whether it is storage or transportation, it is necessary to have clear labels, indicating the characteristics of the items, danger warnings and other information, so that relevant personnel can know and take appropriate protective measures. In this way, the safety of chlorobenzene and acid during storage and transportation is guaranteed.

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