Linshang Chemical
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1,4-Dibromo-2-Chloro-5-Methylbenzene
Linshang Chemical
|
HS Code |
420403 |
| Chemical Formula | C7H5Br2Cl |
| Molar Mass | 270.37 g/mol |
| Appearance | Solid (likely a white or off - white solid) |
| Physical State At Room Temperature | Solid |
| Melting Point | N/A (specific value needs experimental determination) |
| Boiling Point | N/A (specific value needs experimental determination) |
| Density | N/A (specific value needs experimental determination) |
| Solubility In Water | Low (due to non - polar nature of the benzene ring) |
| Solubility In Organic Solvents | Soluble in common organic solvents like dichloromethane, chloroform |
| Odor | Likely has a characteristic, pungent odor |
| Stability | Stable under normal conditions, but may react with strong oxidizing agents |
As an accredited 1,4-Dibromo-2-Chloro-5-Methylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 100g of 1,4 - dibromo - 2 - chloro - 5 - methylbenzene packaged in a sealed glass bottle. |
| Storage | 1,4 - dibromo - 2 - chloro - 5 - methylbenzene should be stored in a cool, dry, well - ventilated area away from heat sources and open flames. It should be kept in a tightly sealed container, preferably made of corrosion - resistant materials like glass or some plastics. Store it separately from oxidizing agents, reactive chemicals, and foodstuffs to prevent chemical reactions and contamination. |
| Shipping | 1,4 - dibromo - 2 - chloro - 5 - methylbenzene, a potentially hazardous chemical, is shipped in tightly sealed, corrosion - resistant containers. Shipment follows strict regulations, ensuring proper labeling for safe transportation and handling. |
Competitive 1,4-Dibromo-2-Chloro-5-Methylbenzene prices that fit your budget—flexible terms and customized quotes for every order.
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As a leading 1,4-Dibromo-2-Chloro-5-Methylbenzene 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 physical properties of 1,4-dibromo-2-chloro-5-methylbenzene?
1% 2C4-dibromo-2-pentyne-5-methylfuran, the physical properties are briefly described as follows:
Under normal conditions, it is mostly colorless to light yellow liquid, and in light and air environments, it gradually changes color. As for its odor, it has a special pungent odor, and it is pungent to smell. When it comes to the melting point, the melting point is low, and it is liquid at room temperature. The boiling point is restricted by factors such as intermolecular forces, and it is about a certain temperature range. The specific value is subject to the accurate determination of the experiment, but it is roughly within a certain range. The boiling point characteristic determines that it will undergo phase transformation under specific temperature conditions.
In terms of solubility, in organic solvents such as ethanol and ether, it shows good solubility and can be miscible with them. Due to the similar principle of miscibility, its molecular structure has a certain degree of compatibility with organic solvents. However, in water, the solubility is very small, and it is difficult to dissolve in water because of the large difference between molecular polarity and water molecules.
In terms of density, compared with water, the density is slightly larger. If it is placed in the same container as water, it will settle at the bottom.
At the stability level, the chemical properties are relatively active, and under specific conditions, it can participate in many chemical reactions. Because it contains active groups such as alkynyl groups and bromine atoms, the unsaturation of alkynyl groups makes it prone to addition reactions, such as reactions with hydrogen, halogens and other substances; bromine atoms are also highly active and can participate in substitution reactions. In case of hot topics, open flames or contact with strong oxidants, there is a latent risk of violent reactions, and caution must be used when storing and using.
Under normal conditions, it is mostly colorless to light yellow liquid, and in light and air environments, it gradually changes color. As for its odor, it has a special pungent odor, and it is pungent to smell. When it comes to the melting point, the melting point is low, and it is liquid at room temperature. The boiling point is restricted by factors such as intermolecular forces, and it is about a certain temperature range. The specific value is subject to the accurate determination of the experiment, but it is roughly within a certain range. The boiling point characteristic determines that it will undergo phase transformation under specific temperature conditions.
In terms of solubility, in organic solvents such as ethanol and ether, it shows good solubility and can be miscible with them. Due to the similar principle of miscibility, its molecular structure has a certain degree of compatibility with organic solvents. However, in water, the solubility is very small, and it is difficult to dissolve in water because of the large difference between molecular polarity and water molecules.
In terms of density, compared with water, the density is slightly larger. If it is placed in the same container as water, it will settle at the bottom.
At the stability level, the chemical properties are relatively active, and under specific conditions, it can participate in many chemical reactions. Because it contains active groups such as alkynyl groups and bromine atoms, the unsaturation of alkynyl groups makes it prone to addition reactions, such as reactions with hydrogen, halogens and other substances; bromine atoms are also highly active and can participate in substitution reactions. In case of hot topics, open flames or contact with strong oxidants, there is a latent risk of violent reactions, and caution must be used when storing and using.
What are the chemical properties of 1,4-dibromo-2-chloro-5-methylbenzene?
1% 2C4-diyne-2-ol-5-methylfuran, this is an organic compound. Its chemical properties are quite unique and there are many things worth exploring.
Let's talk about its alkynyl properties first. The compound contains a diyne structure, and the carbon-carbon tribond in the alkynyl group is rich in electrons, showing significant nucleophilicity. Under suitable conditions, it can be added to electrophilic reagents. For example, it can be added to hydrogen halides, following the Markov rule or anti-Markov rule, depending on the reaction conditions and the catalyst selected. In addition, alkynyl groups can also participate in many metal-catalyzed coupling reactions, such as Sonogashira coupling reactions, to construct more complex organic molecular structures, which are widely used in the field of organic synthesis.
Its alcohol hydroxyl groups also have special chemical properties. Alcohol hydroxyl groups are acidic to a certain extent. Although they are less acidic, they can react with active metals such as sodium to generate sodium alcohols and release hydrogen gas. At the same time, under acid catalysis, alcohol hydroxyl groups can undergo substitution reactions, such as reacting with hydrogen halides to form halogenated hydrocarbons; or dehydration reactions, if the reaction conditions are intramolecular dehydration, olefin will be formed; if it is intermolecular dehydration, ether compounds will be formed.
In addition, the 5-methylfuran part also gives the compound unique properties. Furan rings belong to electron-rich aromatic heterocycles, which are aromatic and can undergo electrophilic substitution reactions, such as halogenation, nitrification, sulfonation and other reactions. The presence of methyl groups will affect the electron cloud distribution of furan rings, resulting in electrophilic substitution reactions mainly occur at specific locations on furan rings, usually α-position. Because methyl groups are the power supply subgroups, the electron cloud density of α-position can be relatively higher, and it is more vulnerable to electrophilic reagents.
To sum up, 1% 2C4-diyne-2-alcohol-5-methylfuranine contains alkynyl groups, alcohol hydroxyl groups and methylfuran structures, which have rich and diverse chemical properties and are of great value in organic synthesis and related chemical research fields.
Let's talk about its alkynyl properties first. The compound contains a diyne structure, and the carbon-carbon tribond in the alkynyl group is rich in electrons, showing significant nucleophilicity. Under suitable conditions, it can be added to electrophilic reagents. For example, it can be added to hydrogen halides, following the Markov rule or anti-Markov rule, depending on the reaction conditions and the catalyst selected. In addition, alkynyl groups can also participate in many metal-catalyzed coupling reactions, such as Sonogashira coupling reactions, to construct more complex organic molecular structures, which are widely used in the field of organic synthesis.
Its alcohol hydroxyl groups also have special chemical properties. Alcohol hydroxyl groups are acidic to a certain extent. Although they are less acidic, they can react with active metals such as sodium to generate sodium alcohols and release hydrogen gas. At the same time, under acid catalysis, alcohol hydroxyl groups can undergo substitution reactions, such as reacting with hydrogen halides to form halogenated hydrocarbons; or dehydration reactions, if the reaction conditions are intramolecular dehydration, olefin will be formed; if it is intermolecular dehydration, ether compounds will be formed.
In addition, the 5-methylfuran part also gives the compound unique properties. Furan rings belong to electron-rich aromatic heterocycles, which are aromatic and can undergo electrophilic substitution reactions, such as halogenation, nitrification, sulfonation and other reactions. The presence of methyl groups will affect the electron cloud distribution of furan rings, resulting in electrophilic substitution reactions mainly occur at specific locations on furan rings, usually α-position. Because methyl groups are the power supply subgroups, the electron cloud density of α-position can be relatively higher, and it is more vulnerable to electrophilic reagents.
To sum up, 1% 2C4-diyne-2-alcohol-5-methylfuranine contains alkynyl groups, alcohol hydroxyl groups and methylfuran structures, which have rich and diverse chemical properties and are of great value in organic synthesis and related chemical research fields.
What are the main uses of 1,4-dibromo-2-chloro-5-methylbenzene?
1,4-Dibromo-2-chloro-5-methylbenzene, although this substance is not directly recorded in Tiangong Kaiwu, its possible uses can be deduced by the method of exploring the uses of various materials in ancient times.
In ancient times, although there was no such fine chemical industry as modern times, there were also many explorations on the properties and applications of various substances. 1,4-dibromo-2-chloro-5-methylbenzene, the presence of halogen atoms and methyl atoms in its structure gives it unique chemical activity.
From the perspective of organic synthesis, although there was no modern synthesis theory and technology in ancient times, there was simple practice in the preparation and application of some special substances. The halogen atoms in this compound can be substituted. If the ancient people were exploring the production of pigments or special dyes, they could use this as a raw material to use the activity of halogen atoms to react with other natural substances containing specific groups to change the color or improve the adhesion and stability of the dye. For example, in ancient dyeing workshops, dyes were often improved to make fabrics lasting and bright, or similar reactions were tried.
Furthermore, from the perspective of medicine, ancient medicines were mostly taken from nature, but new substances may be explored for special diseases. 1,4-dibromo-2-chloro-5-methylbenzene or due to its unique chemical structure, it has certain antibacterial or other medicinal activities. In the practice of medicine, if the ancients came into contact with this substance, or tried to observe it, they found that it had a relieving effect on certain skin inflammation, trauma infection, etc., and then used it for simple medical formulations.
Although it is not contained in "Tiangong Kaiwu", according to the ancient people's research spirit and practical experience on the application of substances, 1,4-dibromo-2-chloro-5-methylbenzene may have potential application value in dyes, medicine and other fields.
In ancient times, although there was no such fine chemical industry as modern times, there were also many explorations on the properties and applications of various substances. 1,4-dibromo-2-chloro-5-methylbenzene, the presence of halogen atoms and methyl atoms in its structure gives it unique chemical activity.
From the perspective of organic synthesis, although there was no modern synthesis theory and technology in ancient times, there was simple practice in the preparation and application of some special substances. The halogen atoms in this compound can be substituted. If the ancient people were exploring the production of pigments or special dyes, they could use this as a raw material to use the activity of halogen atoms to react with other natural substances containing specific groups to change the color or improve the adhesion and stability of the dye. For example, in ancient dyeing workshops, dyes were often improved to make fabrics lasting and bright, or similar reactions were tried.
Furthermore, from the perspective of medicine, ancient medicines were mostly taken from nature, but new substances may be explored for special diseases. 1,4-dibromo-2-chloro-5-methylbenzene or due to its unique chemical structure, it has certain antibacterial or other medicinal activities. In the practice of medicine, if the ancients came into contact with this substance, or tried to observe it, they found that it had a relieving effect on certain skin inflammation, trauma infection, etc., and then used it for simple medical formulations.
Although it is not contained in "Tiangong Kaiwu", according to the ancient people's research spirit and practical experience on the application of substances, 1,4-dibromo-2-chloro-5-methylbenzene may have potential application value in dyes, medicine and other fields.
What are the synthesis methods of 1,4-dibromo-2-chloro-5-methylbenzene?
There are many synthesis methods of 1% 2C4-dibromo-2-pentyne-5-methylfuran, which are described in detail by you below.
First, the target molecule can be constructed from the basic raw material through multi-step reaction. A simple compound with suitable functional groups is used as the starting material, such as the raw material containing alkynyl groups and halogenated hydrocarbon fragments. First, the alkynyl compound and halogenated hydrocarbons undergo nucleophilic substitution reaction under suitable conditions, and the necessary carbon chain structure is introduced. For example, in the presence of a base, alkynyl negative ions carry out nucleophilic attack on halogenated hydrocarbons to form new carbon-carbon bonds. Subsequently, the obtained intermediate is brominated, and brominating reagents such as liquid bromine, N-bromosuccinimide (NBS), etc. can be selected. Under the action of light or initiator, bromine atoms are introduced at suitable positions, so as to gradually construct the structure of 1% 2C4-dibromo-2-pentyne-5-methylfuran.
Second, the cyclization strategy is adopted. Compounds containing multiple functional groups and can undergo intramolecular cyclization under certain conditions are used as raw materials. For example, a chain compound containing alkynyl groups, alkenyl groups and suitable substituents is designed, and the furan ring structure is first formed through nucleophilic addition and cyclization reactions in the molecule. After that, the specific position on the ring is modified by bromination. In this process, the reaction conditions, such as temperature, solvent, catalyst, etc., need to be precisely controlled to ensure the smooth progress of the cyclization reaction and the selectivity of the bromination position.
Third, learn from the mature methods reported in the literature and optimize them. Extensively consult the relevant chemical literature to find a synthetic route similar to the structure of the target compound. Analyze the key steps and reaction conditions, and adjust and optimize the reaction conditions and reagents according to the specific structural characteristics of 1% 2C4-dibromo-2-pentyne-5-methylfuran. Or replace the more efficient and green catalyst, or optimize the reaction solvent system to improve the reaction yield, selectivity and reaction efficiency, and reduce the occurrence of side reactions.
First, the target molecule can be constructed from the basic raw material through multi-step reaction. A simple compound with suitable functional groups is used as the starting material, such as the raw material containing alkynyl groups and halogenated hydrocarbon fragments. First, the alkynyl compound and halogenated hydrocarbons undergo nucleophilic substitution reaction under suitable conditions, and the necessary carbon chain structure is introduced. For example, in the presence of a base, alkynyl negative ions carry out nucleophilic attack on halogenated hydrocarbons to form new carbon-carbon bonds. Subsequently, the obtained intermediate is brominated, and brominating reagents such as liquid bromine, N-bromosuccinimide (NBS), etc. can be selected. Under the action of light or initiator, bromine atoms are introduced at suitable positions, so as to gradually construct the structure of 1% 2C4-dibromo-2-pentyne-5-methylfuran.
Second, the cyclization strategy is adopted. Compounds containing multiple functional groups and can undergo intramolecular cyclization under certain conditions are used as raw materials. For example, a chain compound containing alkynyl groups, alkenyl groups and suitable substituents is designed, and the furan ring structure is first formed through nucleophilic addition and cyclization reactions in the molecule. After that, the specific position on the ring is modified by bromination. In this process, the reaction conditions, such as temperature, solvent, catalyst, etc., need to be precisely controlled to ensure the smooth progress of the cyclization reaction and the selectivity of the bromination position.
Third, learn from the mature methods reported in the literature and optimize them. Extensively consult the relevant chemical literature to find a synthetic route similar to the structure of the target compound. Analyze the key steps and reaction conditions, and adjust and optimize the reaction conditions and reagents according to the specific structural characteristics of 1% 2C4-dibromo-2-pentyne-5-methylfuran. Or replace the more efficient and green catalyst, or optimize the reaction solvent system to improve the reaction yield, selectivity and reaction efficiency, and reduce the occurrence of side reactions.
What are the precautions for storing and transporting 1,4-dibromo-2-chloro-5-methylbenzene?
1% 2C4-diether-2-alcohol-5-methylnaphthalene should pay attention to the following things during storage and transportation:
First, this material has a specific chemical activity. When storing, be sure to choose a dry, cool and well-ventilated place. It may react with water due to humidity, which affects the quality; if the temperature is too high, it may cause a chemical reaction and cause it to deteriorate. Good ventilation can avoid gas accumulation and reduce safety hazards.
Second, the packaging must be strong and tight during transportation. Due to its chemical properties, if the packaging is damaged, leaked or reacted with surrounding substances, it will not only damage itself, but also endanger the transportation environment and personnel safety. Choose suitable packaging materials to ensure stability during transportation.
Third, 1% 2C4-diether-2-alcohol-5-methylnaphthalene may be toxic and irritating. Storage and transportation personnel should wear appropriate protective equipment, such as protective clothing, gloves and gas masks, to prevent physical damage caused by contact or inhalation.
Fourth, the storage area should be kept away from fire and heat sources. This substance may be flammable, and it is easy to cause combustion or even explosion in case of open flames and hot topics. Therefore, fireworks must be strictly prohibited in storage and transportation places, and complete fire protection facilities and fire extinguishing equipment should be equipped, just in case.
Fifth, the storage and transportation process needs to be recorded in detail. Include information such as warehousing time, quantity, transportation route and relevant personnel for traceability and management, and can quickly take countermeasures in the event of an accident.
First, this material has a specific chemical activity. When storing, be sure to choose a dry, cool and well-ventilated place. It may react with water due to humidity, which affects the quality; if the temperature is too high, it may cause a chemical reaction and cause it to deteriorate. Good ventilation can avoid gas accumulation and reduce safety hazards.
Second, the packaging must be strong and tight during transportation. Due to its chemical properties, if the packaging is damaged, leaked or reacted with surrounding substances, it will not only damage itself, but also endanger the transportation environment and personnel safety. Choose suitable packaging materials to ensure stability during transportation.
Third, 1% 2C4-diether-2-alcohol-5-methylnaphthalene may be toxic and irritating. Storage and transportation personnel should wear appropriate protective equipment, such as protective clothing, gloves and gas masks, to prevent physical damage caused by contact or inhalation.
Fourth, the storage area should be kept away from fire and heat sources. This substance may be flammable, and it is easy to cause combustion or even explosion in case of open flames and hot topics. Therefore, fireworks must be strictly prohibited in storage and transportation places, and complete fire protection facilities and fire extinguishing equipment should be equipped, just in case.
Fifth, the storage and transportation process needs to be recorded in detail. Include information such as warehousing time, quantity, transportation route and relevant personnel for traceability and management, and can quickly take countermeasures in the event of an accident.
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