Metabromochlorobenzene

Linshang Chemical

Specifications

HS Code

967425

Chemical Formula C6H4BrCl
Molar Mass 191.45 g/mol
Appearance Colorless to light - yellow liquid
Boiling Point 219 - 221 °C
Melting Point −15 °C
Density 1.69 g/cm³
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in common organic solvents like ethanol, ether
Flash Point 92 °C
Vapor Pressure Low vapor pressure at room temperature
Odor Characteristic aromatic odor

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Packing & Storage
Packing Metabromochlorobenzene packaged in 5 - kg containers for secure storage and transport.
Storage Metabromochlorobenzene should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames as it is potentially flammable. Keep it in a tightly sealed container to prevent vapor leakage. Store it separately from oxidizing agents and reactive chemicals to avoid potential hazardous reactions. Label the storage clearly for easy identification and safety.
Shipping Metabromochlorobenzene is shipped in accordance with strict chemical transportation regulations. It's typically packed in specialized containers to prevent leakage. Shipments are carefully monitored for safety during transit.
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Metabromochlorobenzene Metabromochlorobenzene
General Information
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Frequently Asked Questions

As a leading Metabromochlorobenzene supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

What is the chemical structure of Metabromochlorobenzene?
Bromochlorobenzene is also an organic compound. Among them, meta-bromochlorobenzene has a unique chemical structure. The benzene ring is a hexamembered carbon ring with a conjugated large π bond, which is stable in nature and is the skeleton of the compound. On the benzene ring, the two atoms of bromine (Br) and chlorine (Cl) are connected in a meso-position. The so-called meso-position means that the two substituents are located at a position separated by one carbon on the benzene ring.
Due to the uniform distribution of the electron cloud in the benzene ring, the introduction of bromine and chlorine atoms causes the electron cloud density to change. Bromine and chlorine atoms have electron-absorbing effects, which can reduce the electron cloud density of the benzene ring. However, they will also be conjugated with the benzene ring due to their lone The interaction between the two affects the chemical activity and reaction check point of the compound. The structure of
-bromochlorobenzene endows it with specific physical and chemical properties. In terms of physical properties, due to the existence of bromine and chlorine atoms, its boiling point and melting point change compared with benzene; in chemical properties, the change of electron cloud density of benzene ring makes its electrophilic substitution activity different from benzene.
What are the physical properties of Metabromochlorobenzene?
"Tian Gong Kai Wu" is simple in style and detailed in description. The following is a brief description of the physical properties of m-bromochlorobenzene in a similar style:
m-bromochlorobenzene is a colorless to light yellow liquid at room temperature, and it has a clear and translucent state. Its smell has a special smell, although it is not pungent and intolerable, it is also its unique logo.
When it comes to the boiling point, it is about 203 degrees Celsius. This temperature makes it gradually transform from liquid to gas under certain conditions. The melting point is around minus 16 degrees. When cooled to this temperature, it changes from a flowing liquid to a solid state.
Its density is heavier than that of water, about 1.70 g/cm ³. If it is placed in one place with water, it will sink at the bottom of the water. And m-bromochlorobenzene is insoluble in water, and it is like an isolated state in water, not fused. However, it is soluble in many organic solvents, such as ethanol, ether, etc., and can be miscible with them and fuse together.
In addition, the vapor of m-bromochlorobenzene is heavier than air. If it evaporates in an open environment, the vapor tends to diffuse close to the ground. Its physical properties make it have specific uses and positions in many fields of chemical industry, such as organic synthesis.
What are the main uses of Metabromochlorobenzene?
Bromochlorobenzene, also known as m-bromochlorobenzene, has a wide range of main uses. This compound is a key raw material in the field of organic synthesis and is often found in the preparation process of drugs, pesticides and dyes.
In drug synthesis, m-bromochlorobenzene can be converted into substances with specific pharmacological activities through a series of chemical reactions. For example, other functional groups can be introduced through halogenation reactions, substitution reactions, etc., which can then build complex drug molecular structures, help synthesize new drugs, and contribute to pharmaceutical research and development.
It is also an indispensable cornerstone for pesticide manufacturing. With the ingenious reaction with other chemical reagents, pesticide ingredients with insecticidal, weeding and other effects can be generated, providing strong support for the prevention and control of pests and diseases in agricultural production, and ensuring the thriving growth and harvest of crops.
In the field of dye synthesis, m-bromochlorobenzene can participate in the construction of the color system of dye molecules. With the help of reasonable chemical modification and reaction steps, dyes are endowed with unique colors and properties to meet the needs of textile, printing and dyeing industries for different colors and quality dyes.
In short, m-bromochlorobenzene, with its important applications in various aspects of organic synthesis, has an important role in promoting human medicine, agriculture and industrial production.
What are Metabromochlorobenzene synthesis methods?
There is now a method for synthesizing m-bromochlorobenzene, which can be aged below.
First, benzene is used as the starting point, and nitrification is performed first to obtain nitrobenzene. Nitro is the meta-locator, and then reacts with a brominating agent to introduce bromine atoms in the meta-site. Then the nitro is reduced to an amino group with a reducing agent, and then through a diazotization reaction, with cuprous chloride as the catalyst, the diazo group is replaced by chlorine to obtain m-bromochlorobenzene.
Second, using chlorobenzene as the raw material, the chlorine atom is the o-para-locator, but the reaction can be inclined to the meta-site by adding a specific locator guide agent. First, it interacts with a brominating agent to control the
Third, using bromobenzene as the starting material, similar to chlorobenzene, with the help of a positioning group guide agent, reacting with chlorinated reagents, and regulated by suitable reaction conditions, m-bromochlorobenzene can also be obtained.
All these methods have their own advantages and disadvantages, and must be carefully selected according to the actual situation, such as the availability of raw materials, the cost, and the yield.
Metabromochlorobenzene what are the precautions during storage and transportation?
metabromochlorobenzene, it is also an organic compound. When storing and transporting, there are several ends that must be paid attention to.
The first word of storage, its properties have certain chemical activity, and it should be placed in a cool, dry and well-ventilated place. If it is in a high temperature and humid place, or its chemical properties change, the quality will be damaged. And it should be kept away from fire and heat sources, because the substance encounters open flames, hot topics, or the risk of combustion and explosion. At the same time, it must be stored separately from oxidizing agents and edible chemicals, and must not be mixed to prevent dangerous chemical reactions. The storage area should also be prepared with suitable materials to contain leaks to prevent accidents.
As for transportation, it should not be ignored. The transport vehicle must ensure that the vehicle is in good condition and has corresponding safety facilities. During transportation, it should be protected from exposure to the sun, rain and high temperature. When loading and unloading, the operator needs appropriate protective equipment, light loading and light unloading, and it is strictly forbidden to drop and heavy pressure, so as to avoid material leakage caused by packaging damage. In the event of a leak, an emergency plan should be initiated immediately, the surrounding personnel should be evacuated, the leakage should be properly disposed of, and the whole transportation process should be safe and secure in accordance with relevant regulations and operating procedures. In this way, the metabromochlorobenzene can be guaranteed in storage and transportation without errors, and the safety of personnel and the environment can be guaranteed.
What are the chemical properties of Metabromochlorobenzene?
Phenobromochlorobenzene is also an organic compound. It has the properties of halogenated aromatics, and its chemical properties are different due to the presence of bromine and chlorine atoms.
For the electrophilic substitution reaction, the electron cloud density of the benzene ring is the key. Although bromine and chlorine are electron-absorbing groups, the electron cloud density of the benzene ring decreases, but because of its p-π conjugation, the electron cloud density of the ortho and para-sites is relatively higher. Therefore, the electrophilic reagents are easy to attack the ortho and para-sites, and corresponding substitution products are obtained. This reaction activity is weaker than that of benzene. Due to the electron-absorbing effect of the halogen atom, the electron cloud of the benzene ring is dispersed, and the stability of the positively charged intermediate is reduced.
< br Usually, the hydrolysis of chlorine atoms is difficult and requires strong conditions, such as high temperature and strong alkali; bromine atoms are relatively active and easy to hydrolyze. This is because the bond energy of C-Br is less than that of C-Cl, and the amount of energy required to break the bond is small.
When reacting with metals, m-bromochlorobenzene can react with metals such as magnesium to form Grignard reagents. Grignard reagents have high activity and are commonly used reagents in organic synthesis. They can react with carbonyl compounds to form carbon-carbon bonds and extend molecular carbon chains, which is especially important for the construction of complex organic molecules.
And because of its halogen atoms, nucleophilic substitution reactions can occur. Halogen atoms can be replaced by nucleophilic reagents such as sodium alcohol and amines to generate new organic compounds. This is a common means of organic synthesis and a variety of functional molecules. The chemical properties of isobromochlorobenzene are widely used in the field of organic synthesis, and are important raw materials for the preparation of various organic materials, pharmaceutical intermediates and other important raw materials.
What are the main uses of Metabromochlorobenzene?
The text of "Tiangong Kaiwu" is simple and concise, and focuses on practicality. Today, I answer the question of "the main use of m-bromochlorobenzene" in ancient Chinese.
m-bromochlorobenzene has a wide range of uses. In the field of pharmaceutical synthesis, it is an important raw material. Through various chemical reactions, many special drugs can be made to treat human diseases and solve the suffering of the common people. With its chemical properties, it can ingeniously construct the structure of drug molecules, so that the drug power can accurately reach the focus, help the development of medicine, and is related to the health of all people.
In the field of materials science, it is also important. It can participate in the synthesis of polymer materials and improve the properties of materials. Or increase its stability, so that it can maintain a good state for a long time in different environments; or change its electrical and optical properties to apply to the diverse needs of electronics, optics and other fields.
Furthermore, in organic synthetic chemistry, it is often used as a key intermediate. Chemists build complex organic molecular structures with their unique chemical activities. Through exquisite reaction design, expand the variety of organic compounds, open up new paths for chemical research, promote the progress of organic chemistry, and provide diverse possibilities for industrial production and scientific exploration.
What is Metabromochlorobenzene production method?
The method of making m-bromochlorobenzene has different ways in ancient times. First, benzene is used as the starting material and brominated first. Bromobenzene can be obtained by combining benzene and bromine in the presence of appropriate catalysts such as iron filings or iron tribromide. This step of reaction is as follows: Benzene and bromine are catalyzed by iron filings to form bromobenzene and hydrogen bromide.
Then, the obtained bromobenzene is re-chlorinated. Under suitable reaction conditions and catalyst action, bromobenzene reacts with chlorine to obtain m-bromochlorobenzene. In this process, due to the presence of bromine groups on the benzene ring, its localization effect will affect the substitution position of chlorine atoms, and it is more likely to be substituted in the
Another method can first chlorinate benzene to obtain chlorobenzene, and then brominate chlorobenzene. Chlorobenzene reacts with bromine under a suitable catalyst to obtain m-bromochlorobenzene. In this reaction, the positioning of the chloro group on the benzene ring prompts the bromine atom to be mainly substituted in the meta position.
All preparation methods need to pay attention to the control of reaction conditions, such as temperature, pressure, and catalyst dosage. Appropriate conditions can make the reaction proceed smoothly and improve the yield and purity of m-bromochlorobenzene. And when operating, safety procedures must be followed to avoid danger and ensure the safety of production.
Metabromochlorobenzene what are the precautions during storage and transportation?
metabromochlorobenzene, it is an organic compound. During storage and transportation, many matters must not be ignored.
When storing, the first priority is the environment. It should be placed in a cool and ventilated place, away from fire and heat sources. The compound is flammable, and in case of open fire or hot topic, it may cause fire. The temperature of the warehouse should not be too high to prevent it from volatilizing or chemical reactions.
Furthermore, it should be stored separately from oxidants and edible chemicals, and must not be mixed. Because it encounters with oxidants, or reacts violently, it endangers safety. And suitable materials should be prepared to contain leaks. If there is any leakage, it can be disposed of in time.
When transporting, there are also many precautions. When handling, be sure to pack and unload lightly to prevent damage to the packaging and containers. The packaging must be intact and sealed to ensure that there is no leakage during transportation. Transportation vehicles should be equipped with the corresponding variety and quantity of fire-fighting equipment and leakage emergency treatment equipment. During driving, it should be protected from exposure to the sun, rain and high temperature. Road transportation, according to the specified route, do not stop in residential areas and densely populated areas. Railway transportation should also abide by relevant regulations, and must not be overloaded or exceeded.
In short, during the storage and transportation of metabromochlorobenzene, everything must be done with caution to ensure safety.
What are the effects of Metabromochlorobenzene on the environment and human health?
Wen Jun's inquiry is about the impact of m-bromochlorobenzene on the environment and human health. M-bromochlorobenzene is an organic halide, which is used in the chemical industry.
For the environment, if this substance is released in nature, due to its chemical stability, it is difficult to be rapidly degraded by natural processes, and is easy to exist in soil, water and atmosphere. In soil, or cause soil deterioration, affect vegetation growth, hinder plant roots from absorbing nutrients and water, and cause vegetation to develop poorly or even wither. In water bodies, it will pollute water sources, poison aquatic organisms, disrupt water ecological balance, cause fish, shellfish and other aquatic organisms to die, and then affect the entire aquatic food chain. In the atmosphere, it can produce harmful secondary pollutants through photochemical reactions, aggravating air pollution.
As for personal health, m-bromochlorobenzene has certain toxicity. Inhalation through the respiratory tract can irritate the mucosa of the respiratory tract, causing symptoms such as cough, asthma, and breathing difficulties. Long-term exposure or damage to lung function increases the risk of respiratory diseases. If it is exposed to the skin, or causes skin allergies, redness, swelling, and itching, it can seep into the body in severe cases, damaging important organs such as the liver and kidneys. If accidentally ingested, it will irritate the digestive tract, causing nausea, vomiting, abdominal pain, etc., which is life-threatening in severe cases.
Therefore, the production, use, and disposal of m-bromochlorobenzene should strictly follow safety regulations to prevent its escape from causing harm to the environment and people.