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What are the main uses of Bismuth (III) Methanesulfonate?
Bismuth (III) methanesulfonate, its main uses are as follows.
In the field of organic synthesis, this is a useful reagent. It can be used as a Lewis acid catalyst to assist in the progress of many reactions. For example, in the esterification reaction, it can effectively catalyze the combination of carboxylic acids and alcohols to form esters. Compared with traditional catalysts, it shows unique advantages, with high activity and good selectivity, which can make the reaction occur smoothly under milder conditions and improve the reaction efficiency and product purity.
It also plays an important role in the formation of carbon-carbon bonds. Bismuth (III) methanesulfonates can catalyze the reaction of aromatic hydrocarbons with electrophilic reagents such as halogenated hydrocarbons or acyl halides to form new carbon-carbon bonds, which is of great significance for the synthesis of complex organic molecules and provides a powerful tool for organic synthesis chemists to create novel structural compounds.
In the field of materials science, it also has applications. Or it can participate in the preparation process of some functional materials, interact with other substances through specific reactions, endow materials with unique properties, such as adjusting the electrical and optical properties of materials, etc., opening up avenues for the development of new functional materials.
And in terms of medicinal chemistry, it may serve as a catalyst for the synthesis of pharmaceutical intermediates, assisting in the synthesis of compounds with specific physiological activities, providing the possibility for the development of new drugs and promoting the development of the pharmaceutical field.
What are the synthesis methods of Bismuth (III) Methanesulfonate?
There are many ways to synthesize bismuth (III) methanesulfonate. First, it can be obtained by the reaction of bismuth oxide (Bi ² O 🥰) with methanesulfonic acid (CH 🥰 SO 🥰 H). The method is as follows: first take an appropriate amount of bismuth oxide, put it in a clean container, and slowly add methanesulfonic acid. In the meantime, due to the exothermic reaction, it must be stirred to make the reaction uniform. And this reaction is relatively mild, without excessive temperature and pressure. After the two are fully reacted, the crystal of bismuth (III) methanesulfonate can be obtained through evaporation, crystallization and other steps.
Furthermore, bismuth (III) methanesulfonate can also be synthesized by reacting bismuth carbonate (Bi ³ (CO 🥰) with methanesulfonic acid. First, the bismuth carbonate powder is slowly put into the methanesulfonic acid solution. During this process, carbon dioxide gas will escape, which is suitable for operation in a ventilated place. As the reaction proceeds, the solution gradually clarifies, and then after subsequent concentration and crystallization treatment, the pure bismuth (III) methanesulfonate product can be obtained.
Or, use bismuth nitrate (Bi (NO)) and sodium methanesulfonate (CH, SO, Na) for metathesis reaction. The bismuth nitrate and sodium methanesulfonate solutions are prepared separately, and then the two are mixed. The metathesis reaction occurs rapidly, generating bismuth (III) methanesulfonate and sodium nitrate. Because the solubility of sodium nitrate is different from that of bismuth (III) methanesulfonate, bismuth (III) methanesulfonate can be purified and separated by appropriate separation methods, such as filtration and recrystallization.
The above synthesis methods have their own advantages and disadvantages. In practical application, the choice should be made carefully according to the availability of raw materials, cost, product purity requirements and other factors.
How stable is Bismuth (III) Methanesulfonate?
The stability of bismuth (III) methanesulfonate is related to the process and products of many chemical reactions. The stability of this compound is influenced by many factors.
The first to bear the brunt is the temperature factor. When the temperature increases, the molecular thermal motion intensifies, and the internal chemical bond energy of bismuth (III) methanesulfonate also increases. If the temperature is too high, the chemical bond may break, causing its decomposition and stability to drop significantly. For example, in a high temperature environment, bismuth (III) methanesulfonate is no longer stable when the methanesulfonate ion or the bismuth ion is separated.
Furthermore, pH also affects its stability. Bismuth (III) methanesulfonate has good stability in a specific pH range. Too acidic, hydrogen ions may compete with methanesulfonate ions to combine with bismuth ions, resulting in structural changes; too alkaline, hydroxide ions or react with bismuth ions to form hydroxide precipitation, all of which impair the stability of bismuth (III) methanesulfonate.
In addition, solvents have a great influence on its stability. Different solvents interact differently with bismuth (III) methanesulfonate. In some polar solvents, solvent molecules may form hydrogen bonds or other interactions with bismuth ions and methanesulfonate ions, affecting the interaction between ions, thereby changing the stability. In non-polar solvents, or because they cannot effectively disperse ions, causing their agglomeration, the stability is also affected.
In addition, the light factor cannot be ignored. When some compounds are excited by light, the molecules absorb photon energy and jump to the excited state. The excited state has high molecular activity and is prone to chemical reactions, which affects the stability of bismuth (III) methanesulfonate. If the light energy matches the chemical bond of bismuth (III) methanesulfonate, or causes the chemical bond to break and decompose.
In summary, the stability of bismuth (III) methanesulfonate is the result of a combination of factors. When using and preserving this compound, the above factors must be carefully considered to ensure its stability and make it play the expected role in related chemical reactions and applications.
In which chemical reactions can Bismuth (III) Methanesulfonate be used as a catalyst?
Bismuth (III) methanesulfonate can act as a catalyst in many chemical reactions, with great efficacy. This salt is often found in carbon-carbon bond formation reactions in the field of organic synthesis. For example, in the Fu-gram reaction, it can exhibit excellent catalytic performance. The Fu-gram reaction is a key means to construct carbon-carbon bonds in organic chemistry. Bismuth (III) methanesulfonate can help aromatics react with halogenated hydrocarbons or acyl halides to achieve the purpose of aryl alkylation or aryl acylation.
Furthermore, in the esterification reaction, bismuth (III) methanesulfonate can also act as a catalyst. The esterification reaction is a process in which alcohol and carboxylic acid form esters and water. This salt can speed up the reaction rate and increase the yield of esters. It can change the electron cloud distribution between the reactants, reduce the activation energy of the reaction, and make the reaction easier to proceed.
In addition, bismuth (III) methanesulfonate is also useful in some oxidation reactions. It can play a catalytic role in the oxidation reaction of specific substrates, promoting the smooth occurrence of the oxidation process and generating the expected oxidation products. The catalytic mechanism may be related to the oxidation-reduction properties of bismuth ions and the coordination ability of methanesulfonate ions. It can guide the reaction in the desired direction by forming specific intermediate complexes with the reactants.
Bismuth (III) methanesulfonate, with its unique chemical properties, plays an important role in the field of organic synthetic chemistry as a catalyst in various types of chemical reactions, enabling chemists to more efficiently construct various organic compounds.
What is the market price range for Bismuth (III) Methanesulfonate?
The market price range of bismuth (III) methanesulfonate is difficult to determine with certainty. Due to market changes, its price often varies for many reasons.
First, the purity and quality of the material have a huge impact on the price. If bismuth (III) methanesulfonate has high purity and excellent quality, and can meet the needs of high-end customers, the price must be the highest; if the quality is slightly inferior, it is only suitable for ordinary use, and the price should be low.
Second, the trend of supply and demand is also the key. If there are many people in the market, and the supply is small, the price will rise; if the supply exceeds the demand, the merchant will sell its goods, and the price may drop.
Third, the method of making and the cost are related to the price. If the method of making is complicated, it consumes a lot of resources and manpower, and the cost is high, the price will also be high; if the method is simple, the cost will be reduced, and the price is expected to be reduced.
Fourth, the regional differences in market changes also lead to different prices. In prosperous cities, the demand is large, the logistics is convenient, and the price may be different; in remote places, the supply and demand are different, and the price is also different.
Looking at various trading platforms and past market records, the price of bismuth (III) methanesulfonate varies from a few yuan to tens of yuan per gram. However, this is only an approximate number and cannot be confirmed. In order to know the exact price in real time, we must also investigate the current chemical raw material market in detail, or consult a merchant or broker who specializes in this industry to obtain a near-real price.