Qiji Chemical
Products

1 4 Dibromobenzene

Qiji Chemical

Specifications

HS Code

487615

Chemical Formula C6H4Br2
Molar Mass 235.90 g/mol
Appearance Colorless to light - yellow crystals
Odor Characteristic aromatic odor
Density 2.18 g/cm³
Melting Point 87 - 89 °C
Boiling Point 219 - 221 °C
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in benzene, ether, chloroform
Flash Point 113 °C
Stability Stable under normal conditions, but may react with strong oxidizing agents
Packing & Storage
Packing 1 - 4 Dibromobenzene packaged in 5 - kg containers for secure storage and transport.
Storage 1,4 - Dibromobenzene should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and oxidizing agents. Store in a tightly - sealed container to prevent vapor release. Since it is a potentially hazardous chemical, ensure storage areas are restricted to trained personnel, and comply with all local safety and environmental regulations regarding its storage.
Shipping 1,4 - Dibromobenzene is shipped in well - sealed, corrosion - resistant containers. It's crucial to follow hazardous chemical shipping regulations, ensuring proper labeling and secure packaging to prevent spills during transit.
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General Information
Frequently Asked Questions
What are the main uses of 1,4-dibromobenzene?
The second crop of garlic has a wide range of main uses. First, it can be used as an ingredient. Garlic flavor is spicy, and the second crop of garlic also has this characteristic, which is widely used in cooking. It can be chopped into pieces and sprinkled on dishes to increase its flavor and make the dishes fragrant. Whether it is a cold dish, accompanied by the second crop of garlic, it can add its refreshing and spicy feeling; or a hot-fried dish, put the second crop of garlic and fry it, then put the ingredients into the pot, and the garlic is integrated into it, and the taste is better. When stewing, add the second crop of garlic, and under the slow simmering, the garlic gradually seeps into the ingredients, making the stew mellow.
Second, it has medicinal effects. Garlic is warm in nature, and its medicinal value has long been recorded in traditional Chinese medicine classics. The second crop of garlic also inherits this property and has the ability to kill bacteria. In the daily diet, moderate consumption of the second crop of garlic can help the human body resist the infestation of bacteria and maintain health. In case of slight gastrointestinal discomfort, or abdominal diseases caused by unclean diet, eating a little second crop of garlic may relieve symptoms.
Third, it is beneficial to the agricultural cycle. After the garlic is harvested, the second crop of garlic grows rapidly. During its growth process, it can improve soil structure and increase soil fertility. And the second crop of garlic has a short growth cycle, which can quickly cover the surface, reduce soil water evaporation, and maintain soil moisture. For subsequent planting of other crops, it creates good soil conditions and promotes a virtuous cycle of agricultural production. Therefore, the second crop of garlic has important uses in diet, medicine and agriculture, and is actually a good product of agriculture.
What are the physical properties of 1,4-dibromobenzene?
Diborane is an inorganic compound containing boron. Its physical properties are particularly specific and worthy of detailed investigation.
First of all, its physical state and color. Under normal temperature and pressure, diborane is a colorless gas. It looks like an invisible substance, but its chemical activity is very considerable. This colorless state makes it difficult for the human eye to directly detect it in the daily environment, and its existence can only be sensed with the help of specific instruments.
Second discussion on its smell. Diborane has a pungent and unique smell. This smell is strong and easy to identify. Once diborane is in the air, it is easy for people to sense its traces by smell. This pungent smell also suggests that it may be irritating to the human respiratory tract and other organs, and special caution is required when contacting.
Furthermore, it concerns its melting and boiling point. The melting point of diborane is quite low, about -165.5 ° C, and the boiling point is only -92.5 ° C. Such a low melting and boiling point indicates that the intermolecular force of diborane is weak, enabling it to realize the transformation from solid to liquid and liquid to gas at lower temperatures. This property makes it necessary to strictly control the temperature conditions during storage and transportation to prevent it from changing its state due to temperature changes and causing safety hazards.
In addition, the density of diborane is also one of its important physical properties. Its density is slightly lighter than that of air, which makes it easy to diffuse upward in air. In experiments or industrial operation scenarios involving diboranes, this point needs to be fully considered to avoid its accumulation in air and potential danger.
In addition, diboranes are soluble in a variety of organic solvents, such as ether. This solubility provides convenience for their application in organic synthesis and other fields. Chemists can use its solubility to introduce them into specific reaction systems and participate in various organic reactions to achieve the synthesis of target compounds.
In summary, the physical properties of diboranes, from physical state, odor, melting point, density to solubility, all exhibit unique characteristics, which not only determine their application in scientific research and industrial production, but also place specific requirements on related operating standards and safety protection.
What are the chemical properties of 1,4-dibromobenzene?
Molybdenum disulfide has many specific chemical properties. Its properties are stable, and at room temperature, it is difficult to interact with strong acids, strong bases and strong oxidants. It is like a Guru hidden in the world, independent and not easily disturbed by ordinary things.
Molybdenum disulfide has lubricity, which is caused by its crystal structure. Its structure is like a thousand-layer thin paper, with weak force between layers and easy to slip. When subjected to external force, each layer is like a smart dancer, which can slide smoothly, thus reducing the friction resistance sharply. This property shines brightly in the field of lubrication.
Furthermore, molybdenum disulfide has semiconductor properties. Its energy gap is suitable, and the conduction of electrons between them is unique, which can make a difference in many aspects such as electronic devices. It is like the genie that controls the current and controls the migration of electrons.
And molybdenum disulfide has certain oxidation resistance. Although it is in a high temperature aerobic environment, it can also maintain its own structure and properties for a certain period of time, like a strong guard against the invasion of oxidation.
In addition, molybdenum disulfide can act as a catalyst in some chemical reactions. Its unique surface structure and electronic properties can effectively reduce the activation energy of the reaction and accelerate the process of the reaction, just like a guide for chemical reactions, leading the reactants to new products.
Overall, molybdenum disulfide has shown extraordinary potential and value in many fields due to its diverse and unique chemical properties.
What is the production method of 1,4-dibromobenzene?
The method of the birth of the second plant is a delicate one. From the beginning of its method, the first is the good one. Those who are good, the grain is not good, the color is not correct, and the disease of the moth is not good, and they have strong vitality. This is the foundation.
The fertile soil is deeply ploughed and raked, so that the soil can be sparse and the fertility is uniform. The land needs to have sufficient light and convenient water sources, so that it can create a good environment for the life of the plant.
The sowing of the plant, according to the order, is often late spring and early summer, waiting for peace. Scattered all over the ground, covered with thin soil, and the amount of water is low, and it is difficult to ask for it.
During the period of life, take good care of it. Always remove grass to prevent it from being damaged. Irrigate frequently in case of drought, drain quickly in case of drought, and maintain the passage of its roots. And it is necessary to prevent damage. According to the ancient method, natural things such as plant ash and garlic juice can be used to avoid the poison of Shiba.
Wait for Shiba to grow, and the branches will disperse. This kind of fertilizer should be fertilized at a high degree. Fertilizer should be used with mature fertiliser, such as Shiba fertilizer and Shiba fertilizer, to supply it and promote its flourishing.
When the flowering period of Shiba is approaching, it should not be slack. At this time, a slight brush will help it pollinate and make the seeds grow.
And when it is ripe, it will be harvested on a sunny day. Pick it carefully, do not lose its plants, harvest it properly and store it, and put it in the vastness and dryness, waiting to be used. In this way, the only way to get high-quality and two-thirds of the herbs, the method is complex, but if you use your heart, you will definitely achieve something.
What are the precautions for storing and transporting 1,4-dibromobenzene?

The nature of the vine is like the place where it is dry and dry, so it is hidden. The first thing to do is to make a room that is dry and clear to avoid the tide. If the tide is in the environment, it is easy to breed bacteria, which will cause it to be damaged, and the effect will be large. And the degree of the room should be controlled, not high, and it will also affect its performance.
Furthermore, the rattan should be properly wrapped. Commonly used packaging materials should be able to prevent, prevent, and block light. Keep it in a solid bag or box and seal it well to ensure that its products are not invaded by external factors during the storage period.
Do not slacken in the process of transportation. The part of the transportation should be kept dry and dry, and there should be no smell or pollutants. If it rains on the way, it must be covered with a tarp to prevent the transportation of the materials from being rained. And the process should be smooth, and do not make strong shocks, so as not to shatter the rattan, and the shadow will be damaged and effective.
In addition, in the storage or transportation, it is necessary to avoid the mixing of toxic and harmful materials. In order to prevent the rattan from being contaminated and endangering the safety of the user. In this way, the storage of the rattan, all need to be careful in order to ensure the integrity of its performance and the effectiveness of its use.