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Boron trifluoride diethyl etherate is an organic compound with the molecular formula C4H10BF3O, CAS 109-63-7. It is a colorless or dark brown liquid, flammable, toxic, and has strong irritant and corrosive properties. It can be used as a catalyst for acetylation, alkylation, polymerization, dehydration, and condensation reactions, as well as an analytical reagent and epoxy resin curing agent. It is also a basic raw material for manufacturing high-energy boron hydrogen fuel and extracting isotope boron 10. It has a wide range of applications in organic synthesis, analytical reagents, solvents, ligands, epoxy resin curing agents, and other fields. However, due to its toxic, irritating, flammable, and explosive properties, it is necessary to strictly comply with relevant safety regulations during use and storage to ensure the safety of personnel and the environment.
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Chemical Formula |
C4H10OBF3 |
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Exact Mass |
142 |
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Molecular Weight |
142 |
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m/z |
142 (100.0%), 141(24.8%), 143(4.3%) |
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Elemental Analysis |
C, 33.85; H, 7.10; B, 7.62; F, 40.16; O, 11.27 |
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Synthesis of boron trifluoride ether:
1. It is obtained by reacting boric acid with fuming sulfuric acid and fluorite powder and absorbing it with ether.
2. It is obtained by vapor phase reaction of anhydrous ether and boron trifluoride.
A reactive distillation device for synthesizing boron trifluoride diethyl ether includes a reaction kettle and a distillation tower. The distillation tower is installed on the upper part of the reaction kettle, the top of the distillation tower is provided with a steam outlet, one side of the upper part of the distillation tower is provided with a reflux inlet, the reaction kettle is provided with an integrated sensor, one side of the upper part of the reaction kettle is provided with a feed inlet, both sides of the reaction kettle are provided with a convex steam inlet, a convex liquid inlet and a convex liquid outlet, and the reaction kettle is provided with an agitator This reactive distillation device has a simple structure. By installing a distillation tower on a traditional reactor, the synthesis and separation can be carried out in the same unit, reducing energy consumption and facilitating maintenance. It not only improves production efficiency, but also improves the conversion rate of reaction products, simplifies the production route, saves production costs, and can be directly applied to the industrial production of boron trifluoride ether.
Boron trifluoride diethyl etherate, with the chemical formula C4H10BF3O, is an important organic compound with extensive and critical applications in multiple fields.
Specific compound synthesis catalysis:
Catalyst for the synthesis of butadiene rubber and polyoxymethylene: Complex compounds are catalysts used in the production of butadiene rubber and polyoxymethylene. Shunding rubber has the advantages of high elasticity and good wear resistance, and is widely used in fields such as tires and rubber products. Can promote the polymerization reaction of butadiene and synthesize butadiene rubber. In the synthesis of polyoxymethylene, it can also play an important catalytic role, improving the efficiency and quality of polyoxymethylene synthesis.
Boron hydrogen high-energy fuel and isotope boron extraction raw materials: They are the basic raw materials for manufacturing boron hydrogen high-energy fuel and extracting isotope boron. Boron hydrogen high-energy fuel has the advantages of high energy density and clean combustion products, and has important application value in aerospace, military and other fields. Boron hydrogen high-energy fuel can be prepared through a series of chemical reactions. Meanwhile, it can also be used to extract isotopic boron, which has important applications in fields such as nuclear energy and medicine.
Analytical reagents
(1) Organic analysis
Boron trifluoride ether has good solubility and chemical properties, and is often used as an analytical reagent to extract or treat certain organic compounds. In the analysis and detection of organic compounds, it can react with specific organic compounds to produce characteristic chemical changes or spectral signals, thereby achieving qualitative and quantitative analysis of organic compounds. For example, in the petrochemical industry, it can be used to analyze specific components in petroleum, helping companies understand the quality and composition of petroleum.
(2) Reaction monitoring
In the process of chemical reactions, it can be used as an analytical reagent to monitor the progress and results of the reaction. By detecting changes in the concentration of the substance in the reaction system or its reaction with other substances, it is possible to determine whether the reaction is complete, the reaction rate, and the generation of products. This is of great significance for optimizing reaction conditions and improving reaction efficiency.
(1) Organic matter dissolution
Has good solubility and can dissolve many organic substances. In organic synthesis and chemical analysis, it is often used as a solvent to dissolve reactants, intermediates, and products, promoting the progress of chemical reactions and the separation of products. For example, in some organic reactions, reactants can be better dispersed and reacted in the substance, improving the efficiency and yield of the reaction.
(2) Specific reaction system solvent
As a solvent, it has unique advantages in specific reaction systems. It can provide a suitable reaction environment and promote the progress of the reaction. For example, in some reactions that require anhydrous conditions, it can be used as an anhydrous solvent to avoid the interference of water on the reaction. At the same time, it can also be mixed with other organic solvents to form a mixed solvent system that meets the needs of different reactions.
Ligand
(1) Formation of complexes
Often used as ligands to form complexes and participate in some organic synthesis reactions. In a complex, boron trifluoride diethyl etherate binds to the central metal ion through coordination bonds to form a complex with specific structure and properties. These complexes can play important roles in organic synthesis as catalysts, reaction intermediates, etc. For example, certain boron trifluoride ether complexes can serve as asymmetric synthesis catalysts to achieve asymmetric synthesis of organic compounds and synthesize compounds with specific chirality.
(2) Reaction activity regulation
As a ligand, it can regulate the reactivity of the complex. By changing the structure and electronic properties of the complex, the interaction between the complex and the reactants can be influenced, thereby controlling the rate and selectivity of the reaction. This is of great significance for the synthesis of organic compounds with specific structures and functions.
(1) Curing reaction promotion
Boron trifluoride ether can be used as a curing agent for epoxy resins. During the curing process of epoxy resin, boron trifluoride ether can promote cross-linking reactions between epoxy resin molecules, transforming the epoxy resin from liquid to solid and forming polymer materials with excellent properties. It can improve the curing speed and degree of epoxy resin, shorten the curing time, and enhance production efficiency.
(2) Improvement of properties of cured products
The use of boron trifluoride ether as a curing agent for epoxy resin can improve the properties of the cured product. The cured epoxy resin has the advantages of high strength, high hardness, good chemical corrosion resistance, and heat resistance, and is widely used in fields such as electronics, electrical engineering, aerospace, etc. Boron trifluoride ether can adjust the crosslinking density and molecular structure of the cured product, thereby optimizing its performance.
Other uses
(1) Solvent for proteins and polyesters, etc
Boron trifluoride ether can be used as a solvent for proteins and polyesters. In protein research and processing, it can dissolve proteins, providing convenience for protein separation, purification, and structural analysis. In the synthesis and processing of polyester, boron trifluoride ether can be used as a solvent to promote the synthesis reaction and processing of polyester.
(2) Pore forming agent for catalyst support
Boron trifluoride ether can be used as a pore forming agent for catalyst supports. In the preparation process of the catalyst, the addition of boron trifluoride ether can form a pore structure in the catalyst support, increase the specific surface area and active sites of the catalyst, and improve the catalytic performance of the catalyst. This is of great significance for improving the efficiency and selectivity of chemical reactions.
(3) Fuel rate control catalyst
Boron trifluoride ether can be used as a fuel rate control catalyst in propellants. In propellants such as rockets and missiles, it can regulate the combustion rate of fuel, ensuring stable combustion of propellants and stable output of thrust. This is of great significance for improving the performance and safety of rockets and missiles.
(3) Aromatic ring iodination and regioselective alkylation catalyst
Boron trifluoride ether can be used in combination with iodine as a catalyst for aromatic ring iodination and regioselective alkylation reactions. In organic synthesis, aromatic ring iodination and regioselective alkylation reactions are important reaction types that can synthesize aromatic ring compounds with specific structures and functions. Boron trifluoride ether can promote the progress of these reactions, improve the selectivity and yield of the reactions.
(5) Solvent for nitrocellulose, rubber, resin, etc
Boron trifluoride ether is mainly used as a solvent for nitrocellulose, rubber, and resin. In industries such as coatings and adhesives, boron trifluoride diethyl etherate can dissolve these polymer materials to prepare a uniform solution, which facilitates product processing and application. For example, in the preparation of coatings, boron trifluoride ether can be used as a solvent to give the coating good fluidity and coating performance.
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