Chemical Formula | C3H2BrNS |
Molar Mass | 164.02 g/mol |
Appearance | Solid |
Melting Point | 36 - 40 °C |
Boiling Point | 206 - 208 °C |
Density | 1.92 g/cm³ |
Solubility In Water | Insoluble |
Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, chloroform |
Odor | Characteristic |
Stability | Stable under normal conditions, but may react with strong oxidizing agents |
Cas Number | 1754-42-1 |
What are the physical properties of 4-Bromothiazole?
4-Bromothiazole is also an organic compound. It has unique physical properties and is worth studying.
First of all, under normal circumstances, 4-bromothiazole is a colorless to light yellow liquid, with a clear view and a special smell. This smell is unusual and can be imitated, slightly irritating, and the smell can alert the senses.
When it comes to the boiling point, it is about 190-195 ° C. At this temperature, 4-bromothiazole gradually changes from liquid to gaseous state. This phase transition process is of great significance in chemical experiments and industrial production. The characteristics of the boiling point can help chemists to accurately control the temperature when separating and purifying this compound and achieve the desired effect. < Br >
Furthermore, the melting point is about -12 ° C. When the temperature drops to Si, 4-bromothiazole changes from liquid to solid, and the molecular arrangement tends to be orderly from disorder. The determination of the melting point is an important indicator to distinguish the purity of the compound. The melting point is fixed when pure. If impurities are contained, the melting point will often drop and the melting range will become wider.
Its density is about 1.76 g/cm ³, which is heavier than water. If 4-bromothiazole is mixed with water, it will sink to the bottom of the water. This property can be used as a basis for operations involving liquid-liquid separation.
In terms of solubility, 4-bromothiazole is slightly soluble in water, but soluble in many organic solvents, such as ethanol, ether, chloroform, etc. The difference in solubility is due to the difference in its molecular structure and the forces between water molecules and organic solvent molecules. In organic synthesis reactions, suitable organic solvents can be selected to dissolve, so that the reaction can proceed smoothly.
The physical properties of 4-bromothiazole are widely used in the field of organic chemistry. Whether it is laboratory research or industrial production, it is a key factor that cannot be ignored.
What are the chemical properties of 4-Bromothiazole?
4-Bromothiazole is also an organic compound. It has unique chemical properties and is the object of attention in the field of chemical research and application.
In terms of its chemical activity, the bromine atom of 4-bromothiazole is very active. This bromine atom can play the role of leaving the group in many chemical reactions. Such as nucleophilic substitution reaction, under appropriate nucleophilic reagents and reaction conditions, the bromine atom is easily attacked by nucleophilic reagents, and then novel compounds are generated. In this process, the nucleophilic nature of nucleophilic reagents, reaction temperature, solvent and other factors have a great impact on the reaction process and product formation.
Furthermore, the electronic structure of the thiazole ring itself endows 4-bromothiazole with specific chemical properties. The thiazole ring has certain aromatic properties, and its electron cloud distribution is unusual, resulting in differences in the electron density of each atom on the ring. This property makes 4-bromothiazole exhibit different reactivity and selectivity from ordinary aliphatic or simple aromatic compounds in some reactions.
4-bromothiazole is widely used in the field of organic synthesis. Due to its active chemical properties, it can be used as a key intermediate to construct complex organic molecular structures through a series of reactions. Whether it is in drug synthesis, to obtain compounds with specific biological activities, or in materials science, to prepare organic materials with special properties, 4-bromothiazole can play an important role, opening the way to various functional materials and active molecules with its unique chemical properties.
What are the common synthesis methods of 4-Bromothiazole?
4-Bromothiazole is also an organic compound. There are about three common synthesis methods.
One is based on thiazole, which is formed by halogenation reaction. The halogenating agent can choose bromine. In an appropriate solvent, such as dichloromethane, add a suitable catalyst, such as iron powder, to control the temperature. On the thiazole ring, the bromine atom replaces the hydrogen at a specific position to obtain 4-bromothiazole. This step is still simple, but it is necessary to pay attention to the selectivity of the reaction to prevent halogenation from occurring elsewhere.
The second is from the beginning of small molecules containing sulfur and nitrogen, and is formed by condensation and cyclization. For example, thiourea and α-halogenated ketone are used as raw materials. Under the catalysis of alkali, the first condensation is an intermediate product, and then the thiazole ring is obtained by cyclization. If the halogen atom of halogenated ketone is bromine and the reaction conditions are appropriate, 4-bromothiazole can be obtained. In this way, the reaction conditions need to be precisely controlled to promote the effect of cyclization and increase the yield of the product.
The third is the coupling reaction catalyzed by transition metals. The halogenated thiazole derivative and the bromine source are coupled with the cooperation of transition metal catalysts, such as palladium catalysts, and ligands. Bromine atoms can be introduced accurately in this way, but the catalyst cost may be high, and the post-treatment is slightly more complex, so the catalyst residue needs to be removed.
All this synthesis method has its own advantages and disadvantages. When implementing, it should be carefully selected according to the availability of raw materials, cost considerations, product purity and many other factors.
What fields is 4-Bromothiazole used in?
4-Bromothiazole has its uses in various fields. In the field of medicine, it is an important organic synthesis intermediate. It can be used to produce antibacterial and anti-inflammatory drugs. For example, when developing new antibacterial agents, 4-bromothiazole has a special structure that can combine with specific targets of bacteria to prevent their growth and reproduction, adding a powerful tool for the treatment of infectious diseases.
In the field of materials science, it also has extraordinary performance. It can be used as a raw material for the preparation of materials with special properties. By participating in polymerization reactions, it can endow materials with unique electrical and optical properties. For example, the preparation of polymer materials with special electrical conductivity can be used in electronic devices to improve device performance.
Furthermore, in the field of pesticides, 4-bromothiazole is also used. It can be a key component in the synthesis of high-efficiency and low-toxicity pesticides. After rational design, pesticides with high selective poisoning effect on pests can be prepared, which not only protects crops from pests, but also reduces the harm to the environment. It is suitable for the development of green agriculture.
In chemical research, 4-bromothiazole is often an important reagent in organic synthetic chemistry. Chemists can use it to carry out various reactions, explore novel synthetic paths, provide possibilities for the creation of more new compounds, and promote the progress and development of organic chemistry. All of these can be seen in the important uses of 4-bromothiazole in many fields.
What is the market price of 4-Bromothiazole?
4-Bromothiazole is one of the organic compounds, which is widely used in many fields such as chemical industry and medicine. As for its market price, it is difficult to determine, because it is affected by many factors.
First, the price of raw materials is the key factor. The preparation of 4-bromothiazole often requires specific starting materials. If the price of these raw materials fluctuates due to shortage of supply and rising production costs, the price of 4-bromothiazole will also fluctuate. For example, if the price of the basic chemical raw materials depends on is high due to lack of resources, the production cost of 4-bromothiazole will increase significantly, which will then push up its market price.
Second, the market supply and demand situation also has a far-reaching impact. If the demand for 4-bromothiazole in industries such as pharmaceutical research and development surges, and the supply is difficult to respond for a while, the price will rise; on the contrary, if the market demand is weak and the supply is excessive, the price will decline. If a new type of drug is successfully developed, a large number of 4-bromothiazole is required as raw materials, resulting in a sudden increase in demand and prices will rise.
Third, the production process and technical level also affect the price. Advanced and efficient production processes can reduce production costs and improve product quality. If the factory furniture has this advantage, the product may be price competitive; on the contrary, if the process is backward, the cost is high and the quality is poor, the price will be difficult to have an advantage.
Fourth, regional factors cannot be ignored. In different places, the price of 4-bromothiazole varies due to different transportation costs, tax policies, and market competition. In remote places, transportation costs are high, or prices may be higher than in central production areas.
Therefore, in order to know the exact market price of 4-bromothiazole, we can obtain relatively accurate price information when we gain real-time insight into the dynamics of the raw material market, pay attention to changes in supply and demand, consider the process and quotation of manufacturers, and pay attention to the price differences in different regions.