What are the main uses of 2,3,4-trifluoroiodobenzene?
2%2C3%2C4-%E4%B8%89%E6%B0%9F%E7%A2%98%E8%8B%AF%E5%8F%AF%E7%A5%9E%E5%A5%87%E5%A4%9A%E7%A7%8D%EF%BC%8C%E5%85%B6%E7%94%A8%E9%80%94%E5%88%99%E5%85%89%E5%A4%A7%E4%B8%94%E5%A4%9A%E6%96%B9%E3%80%82
%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C
What are the synthesis methods of 2,3,4-trifluoroiodobenzene?
2%2C3%2C4-%E4%B8%89%E6%B0%9F%E7%A2%98%E8%8B%AF%E7%9A%84%E5%90%88%E6%88%90%E6%96%B9%E6%B3%95%E5%B9%B6%E9%9D%9E%E5%96%AE%E4%B8%80%EF%BC%8C%E5%88%97%E4%B8%8B%E4%B8%8B%E6%96%B9%E5%8F%AF%E8%83%BD%E7%9A%84%E5%90%88%E6%88%90%E6%96%B9%E6%B3%95%EF%BC%9A
###1. If 2% 2C3% 2C4-tribromobenzoic acid is prepared from 2% 2C3% 2C4-tribromobenzoic acid as raw material
-to obtain 2% 2C3% 2C4-tribromobenzoic acid, 2% 2C3% 2C4-tribromobenzoic acid can be heated with alkali lime first, and the decarboxylation reaction occurs. The reaction formula is:\ (C_ {7} H_ {3} Br_ {3} COOH + NaOH\ xrightarrow [] {CaO,\ Delta} C_ {6} H_ {3} Br_ {3} + Na_ {2} CO_ {3} + H_ {2} O\) to obtain the target product 2% 2C3% 2C4-tribromobenzene. < Br >
###2. Using 2% 2C3% 2C4-tribromobenzaldehyde as raw material
- to prepare 2% 2C3% 2C4-tribromobenzaldehyde, 2% 2C3% 2C4-tribromobenzaldehyde can undergo Clemensen reduction reaction, that is, using zinc amalgam and concentrated hydrochloric acid to treat 2% 2C3% 2C4-tribromobenzaldehyde, the reaction formula is:\ (C_ {7} H_ {3} Br_ {3} CHO + 4HCl + Zn (Hg) \ xrightarrow [] {\ Delta} C_ {6} H_ {3} Br_ {3} + ZnCl_ {2} + {2} O\), and finally obtain 2% 2C3% 2C4 -Tribromobenzene.
###3. Take 2% 2C3% 2C4-tribromoaniline as raw material
-First react 2% 2C3% 2C4-tribromoaniline with nitrous acid at low temperature (generally 0 - 5 ° C) to form a diazonium salt. The reaction formula is:\ (C_ {6} H_ {3} Br_ {3} NH_ {2} + HNO_ {2} + HCl\ xrightarrow [] {0 - 5 ° C} C_ {6} H_ {3} Br_ {3} N_ {2} Cl + 2H_ {2} O\). < Br > - Subsequently, the diazonium salt reacts with hypophosphoric acid\ (H_ {3} PO_ {2}\), the diazonium group is substituted with hydrogen atoms, i.e.\ (C_ {6} H_ {3} Br_ {3} N_ {2} Cl + H_ {3} PO_ {2} + H_ {2} O\ longrightarrow C_ {6} H_ {3} Br_ {3} + N_ {2}\ uparrow + H_ {3} PO_ {3} + HCl\) to obtain 2% 2C3% 2C4 -tribromobenzene.
All of the above synthesis methods have their own advantages and disadvantages, and it is necessary to carefully choose according to the actual situation, such as the availability of raw materials, the conditions of the reaction, and the purity of the product.
What is the market price of 2,3,4-trifluoroiodobenzene?
The market price of Guanfu 2,3,4-tribromobenzoic acid has changed due to various reasons. This product has a wide range of uses in various industries, including pharmaceutical preparation and chemical synthesis. The demand trend affects its price.
In the past, when the market demand was booming and the supply was stable, its price often rose steadily. Because the preparation method requires exquisite craftsmanship, the extraction and purification of raw materials are laborious, so the cost is not cheap, which is also the reason for the high price.
If the situation changes, the raw materials are scarce, or the preparation technology is blocked, and the supply is difficult to meet the demand, the price will rise. For example, if the weather is unfavorable, the raw material production area is affected by the disaster, resulting in a sharp decrease in output, and the market price of this product rises immediately.
However, if the industry competition intensifies, the new system comes out, the production capacity increases greatly, the supply is full, and the price may drop. Businesses compete for profits, reduce costs and seek sales, in order to compete for market seats, and the price will fall accordingly.
Looking at the market conditions, the price of 2,3,4-tribromobenzoic acid fluctuates with changes in supply and demand, changes in costs, and the trend of industry competition. It is difficult to determine. Only by observing the current situation and measuring the market can we know the general idea.
What are the precautions for storing and transporting 2,3,4-trifluoroiodobenzene?
2% 2C3% 2C4-tribromobenzoic acid requires attention to many matters during storage and transportation.
First word storage. This substance should be stored in a cool, dry and well-ventilated place. Because the substance may be sensitive to temperature and humidity, high temperature, humid environment, or cause its properties to change, and even affect the quality and utility. And should be stored in isolation from oxidants, alkalis, etc. Due to its active chemical properties, contact with them can easily trigger chemical reactions and cause danger. At the same time, the storage place should be clearly marked, indicating the name, characteristics, danger warnings, etc. of the substance, so that personnel can identify and manage it, and should be inspected regularly to check for leakage, deterioration, etc.
Second discussion on transportation. Before transportation, it is necessary to ensure that the packaging is intact. Packaging materials must have good sealing and impact resistance to prevent material leakage due to package damage during transportation. During transportation, it is advisable to maintain stability and avoid severe vibration, collision and friction to prevent accidents. Transportation vehicles must also meet relevant safety standards and be equipped with suitable fire fighting equipment and leakage emergency treatment equipment. Escort personnel should be familiar with the characteristics of the substance and emergency treatment methods, and in case of emergencies, they can respond quickly and properly. And when planning transportation routes, they should avoid sensitive areas such as densely populated areas and water source protection areas to reduce latent risks. Therefore, when storing and transporting 2% 2C3% 2C4-tribromobenzoic acid, pay attention to the above to ensure its safety and stability.
What are the physical and chemical properties of 2,3,4-trifluoroiodobenzene?
2% 2C3% 2C4-tribromobenzoic acid is a kind of organic compound. Its physical and chemical properties are particularly important and are related to applications in many fields.
In terms of physical properties, 2% 2C3% 2C4-tribromobenzoic acid is usually solid at room temperature, and its color is either white or nearly white. Its melting point and boiling point are all important physical characteristics. The melting point is the specific temperature at which a substance changes from solid to liquid, and the melting point of 2% 2C3% 2C4-tribromobenzoic acid is about [specific melting point value]. The boiling point is the temperature at which it converts from liquid to gas at a specific pressure, but its boiling point varies slightly or varies depending on the experimental conditions.
Furthermore, its solubility is also a key physical property. In common organic solvents, such as ethanol and ether, 2% 2C3% 2C4-tribromobenzoic acid has a certain solubility, and the degree of solubility varies depending on the solvent properties and temperature. However, in water, its solubility is very small, due to the characteristics of the molecular structure and the weak interaction with water molecules.
As for chemical properties, 2% 2C3% 2C4-tribromobenzoic acid is acidic due to the presence of carboxyl groups in the molecule. This carboxyl group can give protons under appropriate conditions and neutralize with bases. If reacted with sodium hydroxide, the corresponding salt and water can be generated. The reaction formula is roughly as follows: 2% 2C3% 2C4-tribromobenzoic acid + sodium hydroxide → 2% 2C3% 2C4-tribromobenzoate + water.
In addition, the bromine atoms in its molecules also have specific chemical activities. Bromine atoms can participate in substitution reactions and can be replaced by other atoms or groups under appropriate reagents and conditions, resulting in a variety of compounds. This property has important applications in the field of organic synthesis. It can be used to construct more complex organic molecular structures to meet the needs of different fields such as medicine and materials. Overall, the physical and chemical properties of 2% 2C3% 2C4-tribromobenzoic acid lay the foundation for its application in many scientific and industrial fields.
