2-Bromo-3,5-difluoro-1-nitrobenzene is one of the organic compounds. Its physical properties are quite important and are widely used in various fields of chemistry.
First of all, under normal conditions, this compound is mostly light yellow to light brown crystalline powder. The appearance of this color state is due to the synergistic action of functional groups such as bromine, fluorine and nitro in its molecular structure. Bromine atoms have a large atomic radius and polarizability, fluorine atoms are extremely electronegative, and nitro groups are strong electron-absorbing groups. The coexistence of the three causes the molecules to change their light absorption and scattering characteristics, thus revealing this color state.
When it comes to the melting point, it is about a specific temperature range, and this value is closely related to the intermolecular force. Van der Waals forces, hydrogen bonds, and electrostatic interactions between molecules work together to maintain the stability of the crystal structure. The introduction of bromine and fluorine atoms increases the intermolecular dispersion force, while the nitro group enhances the molecular polarity and strengthens the electrostatic interaction, so that the melting point is in the corresponding range. The specific value can be accurately determined by experiments.
The boiling point is also a key physical property. Due to its high molecular polarity and strong intermolecular force, in order to convert the liquid phase to the gas phase, sufficient energy needs to be supplied to overcome the intermolecular attractive force, so the boiling point is higher. The determination of boiling point requires rigorous experimental operation, considering factors such as pressure, because it is significantly affected by external conditions.
In terms of solubility, 2-bromo-3,5-difluoro-1-nitrobenzene exhibits some solubility in organic solvents such as dichloromethane, chloroform, tetrahydrofuran, etc. This is due to the existence of similar polarities between organic solvents and the compound molecules or the formation of specific interactions. However, its solubility in water is very small, because the polarity of water molecules is quite different from that of the compound, and it is difficult for the two to form effective interactions.
Density is also a property that cannot be ignored. The density of the compound depends on the molecular weight and the degree of molecular packing. Bromine and fluorine atoms are relatively heavy relative to atoms, which increases the molecular weight. Coupled with the regularity of molecular structure, their density is relatively high. It can be accurately measured by experimental methods and according to the Archimedes principle.
2-Bromo-3,5-difluoro-1-nitrobenzene The physical properties are determined by its molecular structure. It has key reference value in organic synthesis, drug development, materials science and other fields, helping researchers to rationally design experiments, predict reaction processes and product properties.

2-Bromo-3,5-difluoro-1-nitrobenzene is a crucial compound in the field of organic synthesis. Its main uses are extensive and are described as follows:
First, in the field of medicinal chemistry, this compound is often used as a key intermediate. Due to the structure of fluorine, bromine and nitro groups, it has unique physical and chemical properties and can participate in a variety of chemical reactions to build complex drug molecular frameworks. In the development of many new drugs, 2-bromo-3,5-difluoro-1-nitrobenzene is often used as the starting material. After ingenious reaction design, various active groups are introduced to synthesize compounds with specific pharmacological activities for the prevention and treatment of diseases.
Second, in the field of materials science, it also plays an important role. With its unique chemical structure, it can be integrated into polymer materials through specific reactions, thereby improving the properties of materials. For example, it can enhance the stability and corrosion resistance of materials, or endow materials with special optical and electrical properties, providing the possibility for the creation of new functional materials.
Third, in pesticide chemistry, this compound can be used as an important intermediate for the synthesis of high-efficiency pesticides. The introduction of fluorine atoms can often significantly enhance the biological activity of pesticides, reduce toxicity and enhance environmental compatibility. Based on 2-bromo-3,5-difluoro-1-nitrobenzene, high-efficiency pesticides for specific pests or diseases can be synthesized through a series of reactions, which contributes to the sustainable development of agriculture.
In short, 2-bromo-3,5-difluoro-1-nitrobenzene has important uses in drugs, materials, pesticides and many other fields due to its special structure, providing an important material basis and synthesis starting point for the development of various fields.

There are several common methods for the synthesis of 2-bromo-3,5-difluoro-1-nitrobenzene. One is to use compounds containing benzene rings as starting materials, and introduce bromine and fluorine atoms by halogenation reaction. Under specific reaction conditions, suitable halogenating reagents, such as brominating agents and fluorinating agents, act on the benzene ring in sequence or at the same time, and precisely regulate the reaction check point, so that the bromine and fluorine atoms fall into the target 2, 3 and 5 positions respectively.
Furthermore, nitro can be introduced into the benzene ring through nitration reaction. This reaction requires the selection of suitable nitrogenation reagents, such as a mixed acid system of nitric acid and sulfuric acid, under strict temperature control and other conditions, to promote the successful connection of nitro to the benzene ring 1 position. During this period, factors such as the ratio of reactants, reaction temperature and time all have a great influence on the reaction process and product purity.
In addition, there are also methods of functional group transformation. First prepare benzene derivatives with convertible functional groups, and gradually convert the functional groups into bromine, fluorine and nitro groups through multi-step reactions. Although this approach may be complicated, the reaction route can be flexibly selected according to actual needs to improve the selectivity and yield of synthesis. Each method has its own advantages and disadvantages. In actual synthesis, factors such as raw material availability, cost, and difficulty of reaction conditions need to be comprehensively considered to select the optimal synthesis strategy.

2-Bromo-3,5-difluoro-1-nitrobenzene is an important compound in organic chemistry. During storage and transportation, many matters need to be paid attention to.
Store first. This compound may be unstable in nature, so it needs to be stored in a cool, dry and well-ventilated place. Because it is more sensitive to heat, it is easy to cause decomposition or other adverse reactions when heated, so it is the first thing to stay away from heat sources and fire sources. And it is necessary to avoid direct exposure to strong light, which may also cause photochemical reactions and damage its quality. Storage containers should be made of corrosion-resistant materials, because they contain bromine, fluorine, nitro and other groups, or react with some materials. Glass containers are preferred because they are chemically stable and difficult to interact with compounds. At the same time, they must be tightly sealed to prevent contact with moisture, oxygen and other components in the air. Moisture or hydrolysis, oxygen or oxidation will affect its purity and quality.
As for transportation, it is also necessary to pay great attention. It should be implemented in accordance with relevant dangerous chemical transportation regulations. Because it may be toxic and corrosive to a certain extent, transportation personnel must be professionally trained and familiar with its characteristics and emergency treatment methods. During transportation, ensure that the container is stable, avoid collisions and vibrations, and prevent the leakage of compounds due to damage to the container. If choosing road transportation, the vehicle needs to be equipped with corresponding emergency equipment and protective equipment, such as fire extinguishers, leakage emergency treatment tools, etc. If it is transported by rail or air, it is necessary to strictly follow the corresponding special regulations and requirements. And the transportation documents should be detailed and accurate, with information such as the name, nature, hazard and emergency measures of the compound, so that relevant personnel can deal with emergencies.
In conclusion, 2-bromo-3,5-difluoro-1-nitrobenzene has strict requirements on environmental conditions, container selection, personnel operation and emergency preparedness during storage and transportation, so as to ensure its safety and quality.

I look at the "2 - Bromo - 3,5 - Difluoro - 1 - Nitrobenzene" you are inquiring about. This is an organic compound, and its market price varies for a variety of reasons.
First, the impact of purity is quite large. If the purity is very high, it is almost analytical purity or higher, and it is suitable for high-end scientific research, pharmaceuticals and other fields, its price will be high. However, if the purity is slightly lower, it is only for general industrial use, and the price is relatively low. For example, if the purity is above 99%, the price per gram may range from tens to hundreds of yuan; while if the purity is about 95%, it may be only a few yuan per gram.
Second, the state of supply and demand is also critical. If the market demand for this product is strong and the supply is limited, if the demand for a new type of drug is greatly increased, the supply will exceed the demand, and the price will rise. On the contrary, if the market demand is low, there are many manufacturers, and the supply exceeds the demand, the price will decline.
Third, the production cost also affects the price. The price of raw materials and the complexity of the production process are all cost components. If the raw materials are rare and expensive, or the production requires complex processes, expensive equipment and a lot of energy consumption, the cost is high, and the price is not low.
Fourth, the purchase quantity is also related to the price. For bulk purchasers, merchants often give them at preferential prices, with small profits but quick turnover. If you buy in small quantities, per gram or at the regular price; if you buy several kilograms at one time, the price per gram may be significantly discounted.
In summary, it is difficult to determine the market price of this compound due to the lack of details on the specific purity, supply, demand and purchase quantity. However, the price fluctuates between a few yuan and a few hundred yuan per gram.