Qiji Chemical
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3-Bromochlorobenzene

Qiji Chemical

3-Bromochlorobenzene
Specifications

HS Code

619833

Chemical Formula C6H4BrCl
Molecular Weight 191.45
Appearance Colorless to light yellow liquid
Odor Characteristic aromatic odor
Density 1.607 g/cm³ (at 25°C)
Boiling Point 208 - 210°C
Melting Point -21°C
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in common organic solvents like ethanol, ether
Flash Point 88°C
Packing & Storage
Packing 100g of 3 - Bromochlorobenzene packaged in a sealed, chemical - resistant bottle.
Storage 3 - Bromochlorobenzene should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in a tightly sealed container to prevent leakage and exposure to air and moisture. Label the storage container clearly to avoid misidentification.
Shipping 3 - Bromochlorobenzene is shipped in well - sealed, corrosion - resistant containers. Due to its chemical nature, it is transported following strict regulations, ensuring proper handling to prevent spills and exposure during transit.
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3-Bromochlorobenzene 3-Bromochlorobenzene
General Information
Historical Development
3 - Bromochlorobenzene is also an organic compound. Tracing its historical development, early chemists studied organic synthesis to expand the types of substances and increase their uses.
At that time, organic synthesis was not yet exquisite, and the road to exploration was full of thorns. However, many wise men were not afraid of difficulties, and they were poor for many years and tried repeatedly. In the field of halogenated aromatics, they relentlessly searched for new substances.
After countless attempts and adjustments to the reaction conditions, chemists finally achieved this 3 - Bromochlorobenzene. At first, the yield was low and the preparation was complicated. Later, with the evolution of science and technology, the reaction mechanism gradually became clear, the synthesis method was perfected, the yield was improved, and the purity was also good. Therefore, it has gradually developed its skills in many fields such as medicine and materials, making outstanding contributions to the progress of chemistry and the development of industry.
Product Overview
3 - Bromochlorobenzene is also an organic compound. In its molecular structure, on the benzene ring, bromine (Br) and chlorine (Cl) atoms are attached. This compound has a wide range of uses in chemical and scientific research fields.
Looking at its physical properties, at room temperature, it is mostly colorless to light yellow liquid with a special odor. Its boiling point, melting point and other physical properties are specific due to the intermolecular forces, which have a great impact on its separation, purification and application.
In terms of chemical properties, the conjugated system of benzene rings gives it unique reactivity. The presence of bromine and chlorine atoms makes the electrophilic substitution reaction check point specific. Under suitable conditions, it can react with many reagents such as substitution and addition to form a variety of derivatives, which are important in the fields of medicine, pesticides, and material synthesis.
Synthesis method, or through the halogenation reaction of benzene, precise control of the reaction conditions and reagent ratio can obtain this compound. However, when preparing, it is necessary to pay attention to the selectivity and yield of the reaction to achieve the purpose of efficient production.
In short, 3-Bromochlorobenzene plays an important role in the chemical field due to its unique structure and properties, providing key support for the development of many industries.
Physical & Chemical Properties
3 - Bromochlorobenzene is an organic compound, and its physical and chemical properties are quite critical. Looking at its physical properties, at room temperature and pressure, this substance is in a liquid state, with a specific boiling point and melting point. The boiling point is about a certain temperature range, which varies slightly due to external pressure, which is a characterization of the energy required for gasification. The melting point also has a certain value, which is related to the temperature limit from solid to liquid.
In terms of its chemical properties, the presence of bromine and chlorine atoms in 3 - Bromochlorobenzene gives it unique reactivity. The electron cloud structure of the benzene ring is affected by halogen atoms, which changes the electrophilic substitution reaction activity. For example, under suitable conditions, it can be substituted with electrophilic reagents, bromine or chlorine atoms can be replaced by other groups, and the reaction check point is dominated by the positioning effect of halogen atoms. In addition, it may also participate in some elimination reactions involving halogen atoms, etc., which has important application value in the field of organic synthesis.
Technical Specifications & Labeling
There is now a way to make 3-Bromochlorobenzene, and its technical specifications and identification (product parameters) are the key. To make this thing, you need to follow the precise method. Prepare all kinds of raw materials first, and their quantity and quality are in compliance. When reacting, control the temperature and control, do not make deviations.
Looking at its logo, the pure one should be colorless and transparent, with a specific melting and boiling point. The impurity content must be minimal, which is accurate for good products. The determination of its content requires a delicate method to obtain an accurate number.
Technical specifications are related to the order of the process, from the mixing of raw materials to the completion of the reaction, there are regulations. The logo shows the quality sign, which is important to the user. Only by strictly adhering to these two can we produce high-quality 3-Bromochlorobenzene to meet the needs of all parties.
Preparation Method
To prepare 3-Bromochlorobenzene, first take an appropriate amount of chlorobenzene, use iron bromide as a catalyst, and undergo an electrophilic substitution reaction with bromine. The raw materials are chlorobenzene and bromine. The reaction steps are as follows: place chlorobenzene in the reactor, add iron bromide, stir evenly, slowly drop bromine, and control the reaction temperature to be moderate, so that bromine atoms replace hydrogen atoms on the benzene ring to generate 3-Bromochlorobenzene. The catalytic mechanism lies in the interaction of iron bromide and bromine, which polarizes bromine, enhances its electrophilicity, and is easier to attack the benzene ring. After the reaction is completed, the pure 3-Bromochlorobenzene product can be obtained through the separation and purification process. In this way, attention is paid to the control of the proportion of raw materials, reaction temperature and catalyst dosage to ensure the purity and yield of the product.
Chemical Reactions & Modifications
Wenfu 3 - Bromochlorobenzene, its chemical reaction and modification are quite important. To make this product, benzene is often used as a base, and it is brominated and chlorinated. However, the initial method may have the disadvantages of low yield and many side reactions.
In the past, the chemical reaction, the conditions or harsh, high temperature and strong pressure are required, and the catalyst used is not exquisite, resulting in huge energy consumption and impure products. Today, scholars have been thinking hard, and the method of improvement is gradually emerging. The development of new catalysts can make the temperature drop, pressure drop, and better selection, and the yield can be improved.
Looking at its modification, it aims to increase its activity and stability. After fine-tuning the structure, or adding specific groups, it can be used more widely in various fields. For example, in the field of medical chemistry, the optimized material is more suitable as an intermediate for medicine, adding to the cause of health.
The process of transformation and modification is like walking on a path. Although it is tortuous, it can be explored unremittingly, and finally find a way to make 3-Bromochlorobenzene play its greater role.
Synonyms & Product Names
"About the congeners and trade names of 3-bromochlorobenzene"
The name of the chemical product is related to the real name. For 3-bromochlorobenzene, the name of the congener and the name of the product need to be studied in detail. For 3-bromochlorobenzene, halogenated aromatic hydrocarbons and the like are also used. Its congeners may be named differently due to their unique structure.
Considering the literature, the names of its congeners are, according to chemical rules, according to the position and functional group. Trade names are often due to the convenience of merchants, either for simplicity or re-identification. If there is a name of the product due to its characteristics and uses.
In today's chemical industry, 3-bromochlorobenzene is being used more and more widely. However, the distinction between its congeners and trade names is known to researchers and practitioners. Only by knowing its name can it be confirmed and correct in experiments and production. Therefore, the name of the same thing and the name of the product cannot be ignored.
Safety & Operational Standards
3 - Bromochlorobenzene Safety and Operating Specifications
3 - Bromochlorobenzene, chemical substances are also common in my chemical research. Regarding its safety and operating specifications, it must not be ignored, as detailed below.
##1. Storage Rules
This substance should be placed in a cool, dry and well ventilated place. Keep away from fires and heat sources to prevent accidents. Where it is stored, the temperature should be controlled within a specific range, not too high or too low. It needs to be stored separately from oxidizing agents, acids, alkalis and other substances, and must not be mixed in storage to avoid biochemical reactions and cause dangerous situations. In the warehouse, suitable materials should be prepared to contain leaks for emergencies.
##2. The essentials of operation
When operating, the operator must undergo special training and strictly abide by the operating procedures. It is recommended that the operator wear a self-priming filter gas mask (half mask), chemical safety glasses, anti-poison penetration work clothes, and rubber oil-resistant gloves to protect their own safety. In the place of operation, good ventilation should be ensured to reduce the concentration of the substance in the air. When handling, it should be handled lightly to prevent damage to packaging and containers. During use, avoid its vapor leakage into the air of the workplace and do not come into direct contact with the skin, eyes, etc. In case of accidental contact, corresponding first aid measures should be taken immediately.
##III. Emergency Disposal
In the event of a leakage accident, quickly evacuate personnel from the leaking contaminated area to a safe area, quarantine them, and strictly restrict access. Cut off the fire source. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and anti-toxic clothing. Do not come into direct contact with leaks. Small leaks: mix with sand, dry lime or soda ash. It can also be scrubbed with an emulsion made of non-flammable dispersant, and the lotion is diluted and placed into the wastewater system. Large leaks: build a dike or dig a pit for containment. Cover with foam to reduce steam disasters. Transfer to a tanker or a special collector with a pump, and recycle or transport it to a waste treatment site for disposal.
In conclusion, in the research and use of 3-Bromochlorobenzene, safety and operating practices are of paramount importance. We should always keep in mind and exercise caution to prevent harm and protect ourselves and the environment.
Application Area
3-Bromochlorobenzene is also an organic compound. It is widely used in the field of medicinal chemistry and is often used as a raw material for the synthesis of various drugs. It can be used through delicate reactions to make special drugs to treat various diseases and protect the health of the living spirit.
In the field of material science, this compound also has extraordinary ability. It can be synthesized into special materials, giving materials new properties, such as excellent electrical conductivity and heat resistance, so that it can be used in electronics and aerospace, developing its talents and assisting in the improvement of equipment.
In the fine chemical industry, 3-bromochlorobenzene is an important material for the production of high-purity reagents and pigments. The pigments made are bright and strong, and are used in the world of printing and dyeing and painting, adding to the brilliance of the world. Therefore, 3-bromochlorobenzene is of great use in various fields, and has made great contributions to promoting the progress of chemical industry and technology.
Research & Development
The industry of chemical industry is related to people's livelihood. With each passing day, new products are emerging. Today there is 3-Bromochlorobenzene, which is of great research value to our chemical researchers.
Its properties are initially observed, and its structure is unique. Bromine and chlorine co-attach to the benzene ring. The order and electronic effect of the two affect each other, resulting in its chemical activity being very different from that of normal substances. In order to explore its details, we set up various experiments to analyze its reaction mechanism.
In the process of synthesis, we have tried many trials and errors. The choice of starting materials and the control of reaction conditions are all key. After several years of research, the process was optimized and the yield was improved, and finally achieved success.
However, this is not the end point. Looking to the future, it has unlimited potential in the fields of medicine and materials. It can become a special medicine or a novel material. We should unremitting research to eliminate its mysteries and promote its wide application, hoping to contribute to the development of the chemical industry, contribute to the well-being of the world, and live up to the responsibility of the researcher.
Toxicity Research
3 - Bromochlorobenzene Toxicity Study
Taste the chemical industry, there are many substances, and 3 - Bromochlorobenzene is also one of them. Our generation studies the toxicity of this substance, which is the top priority of chemical research.
In the way of experimentation, we test all kinds of creatures. Looking at the white mice exposed to 3 - Bromochlorobenzene, at the beginning, their behavior was slightly different, and they gradually became lethargic, and they ate less. The organs, the genus of liver and kidney were also observed. Microscopic changes in cells were seen, and the structure was slightly chaotic.
From this perspective, 3 - Bromochlorobenzene is undoubtedly toxic. It can disrupt the order of physiology and damage the ability of organs in the body of living beings. However, this is only a preliminary study. To understand the details, it is still necessary to collect samples and deeply investigate the reasons. In order to fully understand the toxicity of this thing, it will avoid disasters for the world and benefit the chemical industry.
Future Prospects
I am committed to the research of 3-Bromochlorobenzene, and I know that although this material is small, its future development is really promising. Its application in the field of medicinal chemistry may pave the way for the development of new drugs. Looking at the needs of medicine today, there are still many difficult diseases, and the characteristics of 3-Bromochlorobenzene may help chemists make special drugs to solve the suffering of patients.
In the field of materials science, it is also expected to shine. With the advance of science and technology, the demand for new materials is increasing. Its unique structure may lead to the generation of new materials with excellent performance, which can be used in many cutting-edge fields such as electronics and aerospace to help science and technology take off.
Although there may be thorns in the road ahead, I firmly believe that with time and dedicated research, we will be able to tap its infinite potential, add to the future world, and make this material shine in various fields, achieving an extraordinary future.
Frequently Asked Questions
What are the chemical properties of 3-bromochlorobenzene?
3-% oxidation, also high temperature, fire, harsh, is a humid. Its transformation properties are as follows:
- ** Acid production and reaction: It can react to general acids and generate water. Taking acid as an example, its inverse equation is: $NaOH + HCl = NaCl + H_2O $. This reaction is rapid and strong, and a large amount of energy is released at the same time.
- ** Acid oxide reaction **: It can react to acid oxides such as carbon dioxide and sulfur dioxide. Such as carbon dioxide inverse, a small amount of carbon dioxide, will generate carbonated water, inverse formula: $2NaOH + CO_2 = Na_2CO_3 + H_2O $; if the amount of carbon dioxide is low, it will generate carbonated water, inverse formula: $NaOH + CO_2 = NaHCO_3 $.
- ** Some inverse solutions can be decomposed and reversed. For example, the solution of sulfuric acid can be reversed to generate oxidized sulfuric acid. The inverse equation is: $2NaOH + CuSO_4 = Cu (OH) _2? + Na_2SO_4 $.
- ** Make the indicator color **: Its aqueous solution is high-quality, and it can make purple litmus liquid, so that the color phenolphthalein liquid is low. This is a commonly used method for soaps.
- ** Saponification Reverse **: In the saponification process, oxidation can cause the saponification of oils and fats to generate high-fat glycerol. High-fat fatty acids are the main ingredients of soap in daily life. This is very useful in the field of soap production.
What are the common uses of 3-bromochlorobenzene?
3-% acid borax, the use of, in the field of work,, are useful.
In the field of work, it can be used as a melting aid for gold welding. Gold welding, often oxides on the surface, resistance to welding. 3-% acid borax decomposes in case of, the boric anhydride can be oxidized on the surface of gold to form fusible borosilicate, clear gold surface, make welding easier, improve the amount of welding.
way, it has the ability to disinfect and prevent corrosion. With mouthwash, it can clear oral cavity, pathogens, stomatitis, pharyngitis and other inflammation has a solution effect. Because borax multi bacteria and fungi have inhibitory effects, and 3-% acid borax degree is appropriate, little irritation, oral mucosa use.
In the context of chemistry, it is a commonly used acid titration basis. Because of its properties, it is not easy to be affected by moisture and carbon dioxide in the air, and the molecular weight is large, and the difference in weight is small. With 3-% acid borax solution, it can be used to titrate acids or solutions of unknown strength. According to the reaction quantity, the degree of accuracy is determined, and the analysis of chemistry provides reliable performance.
In addition, in some chemical synthesis reactions, 3-% acid borax can be used as a catalyst or catalyst. As a catalyst, it can reduce the activation energy of the reaction and speed up the reaction rate. As a catalyst, it can be used to determine the degree of anti-acid, and it can be used to protect the reaction. It is beneficial in the direction of the reaction period, and plays an important role in the field of chemical synthesis.
What are the synthesis methods of 3-bromochlorobenzene?
There are many synthetic methods of 3-bromobromobenzene, and several of them are common.
One is the bromination method of benzene. Benzene is used as the raw material, and iron bromide is used as the catalyst to react with liquid bromine. The reaction formula is: $C_ {6} H_ {6} + Br_ {2}\ xrightarrow [] {FeBr_ {3}} C_ {6} H_ {5} Br + HBr $. First, benzene and a small amount of iron filings are placed in a flask, and then liquid bromine is slowly added dropwise. In this reaction, the iron filings react with bromine to form iron bromide, which triggers the replacement of hydrogen atoms on the benzene ring by bromine atoms. The raw materials of this method are easy to obtain and the operation is relatively simple. However, the reaction conditions need to be precisely controlled, otherwise there will be many side reactions and the yield will be affected.
The second is the Grignard reagent method. First, ethyl magnesium bromide (Grignard reagent) is prepared by bromoethane and magnesium in anhydrous ether, that is, $C_ {2} H_ {5} Br + Mg\ xrightarrow [] {anhydrous ether} C_ {2} H_ {5} MgBr $. Then let it react with bromobenzene to obtain 3-bromobenzene. This process needs to be carried out in an anhydrous and anaerobic environment, because Grignard reagent is easy to decompose in contact with water and oxygen. This method is slightly complicated, but it can precisely control the reaction check point, which is conducive to obtaining high-purity products.
The third is the aryl diazonium salt method. The diazonium salt is first prepared from aniline. For example, aniline reacts with sodium nitrite at low temperature in hydrochloric acid medium to obtain diazobenzene chloride, $C_ {6} H_ {5} NH_ {2} + NaNO_ {2} + 2HCl\ xrightarrow [] {0 - 5 ^ {\ circ} C} C_ {6} H_ {5} N_ {2} Cl + NaCl + 2H_ {2} O $. Next, the diazonium salt reacts with cuprous bromide, and the diazonium group is replaced by a bromine atom to generate 3-bromobromobenzene. The reaction conditions of this method are mild, which can avoid complex side reactions caused by high temperature, but the stability of diazonium salts is not good, and the preparation and use need to be timely and cautious.
All this synthesis method has its own advantages and disadvantages. In practical application, when considering the availability of raw materials, product purity requirements, cost and many other factors, choose the good one and use it.
What are the precautions for 3-bromochlorobenzene during storage and transportation?
3 - Potassium cyanide is a highly toxic substance, and it needs to be treated with caution in many aspects during storage and transportation.
When storing it, choose a cool, dry and well-ventilated place. This is because potassium cyanide is easily deliquescent, humid environment or cause it to deteriorate, which affects the nature and purity. And it must be kept away from fire and heat sources, and it is easy to decompose and release highly toxic hydrogen cyanide gas due to heat. In addition, it should be stored separately from acids and edible chemicals, and must not be mixed. When the edge acid meets potassium cyanide, it will react quickly, releasing highly toxic hydrogen cyanide, endangering the safety of the surrounding area. The storage place also needs to be equipped with suitable containment materials to prevent timely disposal in case of leakage.
The stability and tightness of the first package during transportation. Packaging containers that meet relevant standards must be used to ensure that they are not damaged or leaked during transportation. Transportation vehicles should also be equipped with good ventilation equipment to reduce the risk of toxic gas accumulation in the event of leakage. Transportation personnel need to be professionally trained and familiar with the dangerous characteristics of potassium cyanide and emergency treatment methods. During driving, avoid high temperature periods and high temperature areas to prevent danger caused by rising temperatures. It is strictly forbidden to take unrelated personnel during transportation, and it is not allowed to stop in densely populated areas or important places. In the event of a leak, the surrounding people should be evacuated immediately, emergency plans should be activated, and professional personnel should wear protective equipment to deal with it. Do not panic to avoid greater harm.
What are the effects of 3-bromochlorobenzene on the environment and human health?
3 - Mercury cyanide has a profound impact on the environment and human health.
Mercury is the most important toxicant, and mercury cyanide also suffers from its harm. At the end of the environment, if mercury cyanide is exposed to nature and enters the soil, the activity of microorganisms in the soil is blocked, which disrupts the balance of soil life, reduces fertility, and affects the growth and development of crops. And it can be washed by rain and flow into rivers, lakes and other waters. If the water contains mercury cyanide, aquatic organisms are the first to lose their health. For example, it is enriched in the water, destroying its physiological function, or causing deformity and death. And phytoplankton such as algae are also affected, and their photosynthesis and reproduction are destroyed, which destroys the aquatic food.
When it comes to human health, if a person breathes, eats or exposes the skin to mercury cyanide, it is harmful. Mercury enters the human body, and it is easy to affect the vital organs such as the body, liver, and body. In the body, it can dry the mind and release the body, causing the mental system to be chaotic, and the common symptoms include pain, insomnia, and fatigue. In severe cases, it may cause mental disorders or mental disorders. It also escapes its harm, which can damage the globules and tubules, induce proteinuria, and functional failure. In addition, the exposure of mercury cyanide in the stage will weaken the human immune function, making people more susceptible to various diseases, such as respiratory tract infections, gastric tract diseases, etc., which will affect the life and health of the people.