M-Chloronitrobenzene

Linshang Chemical

Specifications

HS Code

329409

Chemical Formula C6H4ClNO2
Molar Mass 157.55 g/mol
Appearance Yellowish - brown crystals
Odor Pungent
Density 1.348 g/cm³
Melting Point 44 - 46 °C
Boiling Point 235 - 236 °C
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in ethanol, ether, benzene
Flash Point 110 °C
Stability Stable under normal conditions, but may react with strong oxidizing agents

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

Packing & Storage
Packing 25 - kg drum packaging for M - chloronitrobenzene chemical.
Storage M - chloronitrobenzene should be stored in a cool, well - ventilated warehouse. Keep it away from heat, sparks, and open flames. Store it separately from oxidizing agents, reducing agents, and alkalies to prevent reactions. Containers must be tightly sealed to avoid leakage, and proper labeling should be present for easy identification.
Shipping M - chloronitrobenzene is shipped in well - sealed, corrosion - resistant containers. It must comply with hazardous chemical shipping regulations, with proper labeling and secure packaging to prevent leakage during transit.
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M-Chloronitrobenzene M-Chloronitrobenzene
General Information
Where to Buy M-Chloronitrobenzene in China?
As a trusted M-Chloronitrobenzene 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 M-Chloronitrobenzene 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 main uses of M-chloronitrobenzene?
M-Chloronitrobenzene is also an organic compound. Its main uses are wide.
First, in the dye industry, it is a key intermediate. It can undergo many chemical reactions to turn into various colorful dyes. Due to the unique structure of chlorine and nitro groups on the benzene ring, it is endowed with the property of ingenious combination with other compounds, so it can synthesize dyes that meet different needs, or bright and attractive, or good sun fastness, which is indispensable for dyeing processes such as fabrics and leather.
Second, it also has important applications in the field of pesticides. With it as a starting material, a variety of high-efficiency pesticides can be prepared. Due to its chemical properties, the pesticides produced have special poisonous and repellent effects on pests, which can effectively protect crops from pests and diseases, ensure a bumper grain harvest, and maintain the stable development of agriculture.
Third, in the pharmaceutical industry, it also plays an important role. After specific chemical modifications and reactions, it can be converted into medicinal active substances, which can assist in the treatment of certain diseases. Such as participating in the synthesis of specific antibacterial and anti-inflammatory drugs, it contributes greatly to human health.
Fourth, in the field of organic synthesis, it is often used as a basic raw material. With its unique functional groups, it can trigger many reactions such as nucleophilic substitution and electrophilic substitution, build complex organic molecular structures, assist in the synthesis of new materials, functional compounds, etc., and promote the continuous progress of organic synthetic chemistry.
What are the physical properties of M-chloronitrobenzene?
M-chloronitrobenzene, that is, m-chloronitrobenzene. Its physical properties are quite important, and I will describe them in detail today.
m-chloronitrobenzene is in a light yellow needle-like crystalline state at room temperature, with a bright color. Its melting point is about 32.5 ° C. Under this temperature, m-chloronitrobenzene exists in a solid state. When heated to 197.2 ° C, it turns into a liquid state, which is its boiling point.
As for the density, m-chloronitrobenzene is about 1.348g/cm ³, which is heavier than water. When placed in water, it will sink to the bottom. Its smell is specific, irritating, and alarming. And m-chloronitrobenzene is slightly soluble in water, but it is soluble in organic solvents such as ethanol, ether, benzene, etc. This is the characteristic of its solubility.
And because of its specific molecular structure, it has a certain stability. In case of extreme conditions such as open flames and hot topics, it is also at risk of combustion and explosion. In the field of industry and scientific research, knowing the physical properties of m-chloronitrobenzene can be used properly, avoid its danger, and take advantage of its function to help production and research.
What is the chemistry of M-chloronitrobenzene?
M-chloronitrobenzene is also an organic compound. It is active and specific in chemical reactions.
This substance has the properties of both halogenated aromatics and nitro compounds. At its chlorine atom, it can initiate a nucleophilic substitution reaction. If there are nucleophilic reagents approaching, such as hydroxyl negative ions (OH), amino negative ions (NH ²), etc., the nucleophilic reagents can attack the carbon connected to the chlorine atom, and the chlorine atom leaves in the form of chloride ions (Cl) to form a new compound.
Its nitro position also has important properties. Nitro has strong electron absorption, which can reduce the electron cloud density of the benzene ring and reduce the electrophilic substitution reaction activity of the benzene ring. However, the electron cloud density of the ortho and para-nitro groups decreases even more, and the interposition is relatively higher, so the electrophilic substitution reaction occurs in multiple intersites. In addition, nitro groups can be reduced under suitable conditions. If iron and hydrochloric acid are used as reducing agents, nitro groups can be gradually reduced to amino groups to obtain m-chloroaniline.
And because of its chlorine atoms and nitro groups, the molecular polarity is enhanced, and the solubility in organic solvents is better than that of benzene, but the solubility in water is still poor. And M-chloronitrobenzene is toxic to a certain extent, so careful protection should be taken when using it, and it should not be exposed to the skin or inhaled into the body to prevent health hazards. It is widely used in the field of organic synthesis and can be used as an intermediate for the synthesis of many drugs, dyes, pesticides, etc. It is of great significance to the development of organic chemistry and industrial production.
What are M-chloronitrobenzene production methods?
M-chloronitrobenzene is an important intermediate in organic synthesis. There are probably two ways to prepare it.
One is the nitrification method. First take chlorobenzene as the substrate, and use mixed acid (a mixture of nitric acid and sulfuric acid) as the nitrifying agent. Under suitable temperature and reaction conditions, the nitro group (-NO ²) in nitric acid can replace the hydrogen atom on the chlorophenzene ring due to its strong oxidizing and electrophilic properties. This reaction needs to be carefully controlled. If the cap temperature is too high, it is easy to cause side reactions such as polynitro substitution. Usually at a lower temperature, such as 30-50 ° C, the mixed acid is slowly added dropwise to make the reaction proceed smoothly. After the reaction is completed, M-chloronitrobenzene can be obtained through neutralization, washing with water, separation and other steps.
The second is the chlorination method. Nitrobenzene is used as the starting material, and chlorine is used as the chlorination agent, which often requires the assistance of catalysts, such as iron trichloride. Under the condition of heating or illumination, chlorine molecules (Cl ²) are acted to produce chlorine radicals (Cl ·), which attack the nitrobenzene ring. Through a series of radical reactions, chlorine atoms replace hydrogen atoms at specific positions on the benzene ring to generate M-chloronitrobenzene. This process also requires attention to the regulation of reaction conditions, such as the rate of chlorine entry, reaction temperature, etc., to improve the selectivity of the target product.
These two methods have their own advantages and disadvantages. In industrial production, depending on the availability of raw materials, cost, product purity requirements and many other factors, the appropriate preparation route can be selected.
M-chloronitrobenzene What are the precautions during storage and transportation?
M-chloronitrobenzene is an organic compound. During storage and transportation, many matters must be observed.
Its properties are flammable and toxic. When storing, the first thing to do is to choose a cool, dry and well-ventilated place. If the cover is placed in a high temperature, humid place, or causes stability changes, it will cause danger. The temperature of the warehouse should be controlled within a suitable range to prevent it from evaporating and increasing the risk of explosion due to excessive temperature.
Furthermore, it must be stored in isolation from oxidants, reducing agents, food chemicals, etc. This is because of its active chemical nature, contact with other substances, or violent chemical reactions, resulting in disasters.
Storage containers are also crucial. Use well-sealed containers with suitable materials. This can avoid leakage and prevent external substances from acting on them.
As for transportation, qualified transportation enterprises and professionals must be selected in accordance with relevant regulations. Transportation vehicles should be equipped with corresponding fire and leakage emergency treatment equipment. Beware of collisions, vibrations and sun exposure during the journey to ensure its stability.
The loading and unloading process needs to be handled with caution. Operators should be in front of suitable protective equipment, such as gas masks, protective gloves, etc., to prevent them from contacting the human body and causing health damage. And the operation should be handled lightly to avoid packaging damage.
All of these are matters that should be taken into account for the storage and transportation of M-chloronitrobenzene, which is related to safety and cannot be slack.
What are the main uses of M-chloronitrobenzene?
M-chloronitrobenzene has three main uses. First, in the dye industry, it is a key intermediate. In the past, craftsmen used ingenious methods to produce a variety of colorful dyes. If you want to get a deep blue dye, you can use M-chloronitrobenzene as the base through several careful reaction processes. Second, in the field of pharmaceutical synthesis, it also occupies an important position. With its unique chemical structure, doctors and pharmacists can synthesize a good medicine for healing and saving people. For example, when synthesizing a pain medicine, M-chloronitrobenzene is used as the starting material, which undergoes a series of complex transformations to give the drug precise efficacy. Third, in the field of pesticide manufacturing, it is an indispensable ingredient. In the past, farmers used M-chloronitrobenzene-based pesticides to protect their crops from insect infestation. After careful preparation, the pesticides can effectively kill pests and protect crops from thriving.
What are the physical properties of M-chloronitrobenzene?
M-chloronitrobenzene is an organic compound. It has unique physical properties, which are described below.
Looking at its properties, it is a light yellow needle-like or rib-like crystal under normal conditions, which shows the order of its structure. Its melting point is 32.5 ° C. At this temperature, the solid state gradually changes to the liquid state, just like ice melting in the warm sun. The boiling point reaches 235.5 ° C. Under the hot topic, it is the rise of chemical gas.
Its density is quite considerable. At 20 ° C, it is about 1.534g/cm ³, which is heavier than water. If it is placed in water, it will sink to the bottom. And its vapor pressure is also characterized. Under specific conditions, its volatility-related characteristics can be measured.
In terms of solubility, it is extremely insoluble in water, just like oil and water. However, it can be better dissolved in organic solvents such as ethanol, ether, and benzene. Due to the principle of similar miscibility, the molecular structure of organic solvents is similar to that of M-chloronitrobenzene, so it can be miscible.
Its smell is special, irritating, and uncomfortable to smell. This smell is also a sign of its physical properties, warning people to be cautious. In addition, under the action of external factors such as light, its physical state may change slightly, but the framework of overall physical properties does not deviate from the above ends.
What is the chemistry of M-chloronitrobenzene?
M-chloronitrobenzene is also an organic compound. Its properties are unique.
In terms of chemical activity, both chlorine atoms and nitro groups above the benzene ring are blunt groups. The presence of nitro groups significantly reduces the electron cloud density of the benzene ring, making it more difficult to cause electrophilic substitution than benzene. However, under certain conditions, electrophilic substitution can still occur, and due to the localization effect of nitro groups, the newly introduced groups are more in the meso. Although chlorine atoms are also blunt groups, their influence on the electron cloud of the benzene ring is different from that of nitro groups. The two work together to determine the characteristics of the electrophilic substitution reaction of the molecule.
Its physical properties are also different. Under normal temperature and pressure, it is mostly a solid state with a certain melting point and boiling point. Due to the presence of polar groups in the molecule, its solubility in organic solvents is better than in water.
In chemical reactions, reduction reaction is an important way. Nitro groups can be reduced to amino groups by appropriate reducing agents, such as iron and hydrochloric acid, to obtain m-chloroaniline, which is a key step in the preparation of nitrogen-containing compounds in organic synthesis. The hydrolysis reaction is also worthy of attention. Although chlorine atoms are difficult to hydrolyze on benzene rings, under harsh conditions such as high temperature and strong bases, chlorine atoms can be replaced by hydroxyl groups to form m-nitrophenol.
In addition, the stability of M-chloronitrobenzene is due to the combined effect of the benzene ring conjugate system and the electronic effect of the substituent. In case of strong oxidizing agent, high temperature or open flame, there is still a certain risk, which can cause combustion or explosion accidents. Therefore, when storing and using, it is necessary to strictly follow safety procedures to prevent accidents.
What is M-chloronitrobenzene production method?
In the method of making m-chloronitrobenzene, the ancient workers followed the following steps.
First take benzene as the starting material, and add nitrate-sulfur mixed acid. In the case of mixed acid, nitric acid and sulfuric acid are mixed according to a specific ratio, and it is a nitrifying agent in the reaction. Sulfuric acid has the ability to dehydrate, which can make nitric acid produce viable nitroyl positive ions (NO ²), which is the key active species in the nitrification reaction. When benzene encounters this nitroyl positive ion, the electron cloud on the benzene ring interacts with it and undergoes an electrophilic substitution reaction. Due to the electron cloud density distribution characteristics of the benzene ring, nitroyl positive ions tend to attack the adjacent and para-position of the benzene ring, but this step mainly produces o-nitrobenzene and p-nitrobenzene, while the yield of m-nitro
is to obtain m-chloronitrobenzene, which needs to be converted again. First, the newly obtained nitrobenzene product is treated with chlorine gas and a catalyst (such as iron trichloride). At this time, the chlorine atom is affected by the nitro group, because it is a meta-localization group, so that the chlorine atom can more easily replace the hydrogen atom of the nitro meta-site and undergo electrophilic substitution. After this step, m-chloronitrobenzene can be obtained.
However, in the reaction, the control of various conditions is extremely important. The temperature affects the reaction rate and the selectivity of the product. If the temperature is too high, it may cause the generation of more substituted products; if it is too low, the reaction will be delayed. In addition, the ratio of reagents also needs to be accurate. The ratio of mixed nitrate-sulfur acid And the reaction equipment needs to be corrosion-resistant, because the mixed acid of nitrate and sulfur has strong corrosiveness. After many debugging and control, the yield and purity of m-chloronitrobenzene can reach the standard required by industry.
M-chloronitrobenzene What are the precautions during storage and transportation?
M-chloronitrobenzene is also an organic compound. When storing and transporting, be sure to pay attention to many matters.
When storing, one should choose a cool and ventilated warehouse. This compound is easy to decompose when heated, resulting in dangerous growth, so a cool and ventilated place can reduce the risk of decomposition. Second, keep away from fire and heat sources. Because of its flammability, open flames and hot topics can cause combustion and endanger safety. Third, it should be stored separately from oxidants, reducing agents, alkalis, etc. If mixed, it is easy to cause chemical reactions and lead to accidents. Fourth, the warehouse should prepare suitable materials for containing and handling leaks, so as to prevent accidental leakage, it can be properly disposed of in time.
At the time of transportation, the first heavy packaging is in good condition. Make sure that the packaging is sturdy and sealed to prevent leakage during transportation. Second, the transportation process must be protected from exposure to the sun, rain, and high temperature. Vehicles should be equipped with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. Third, it is strictly forbidden to mix with oxidants, reducing agents, and alkalis, so as to avoid interaction during transportation and cause danger. Fourth, transport drivers and escorts must be familiar with the properties, hazards, and emergency disposal methods of this compound. During transportation, they must check frequently. If there is any abnormality, they can be properly disposed of quickly. In this way, the safety of M-chloronitrobenzene storage and transportation can be guaranteed.