Boron Trifluoride Etherate CAS 109-63-7
Factory wholesale Boron Trifluoride Etherate CAS 109-63-7
- Appearance:Liquid
- Purity:99.8%
- Delivery:30days
- Sample Available:Available
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Name: Boron Trifluoride Etherate
CAS: 109-63-7
MOQ: 1KG
Directory Guidance on Boron Trifluoride Etherate
Chemical Structure
Basic Info:
| Melting point | −58 °C(lit.) |
| Boiling point | 126-129 °C(lit.) |
| density | 1.15 g/mL(lit.) |
| vapor density | 4.9 (vs air) |
| vapor pressure | 4.2 mm Hg ( 20 °C) |
| refractive index | n20/D 1.344(lit.) |
| Fp | 118 °F |
Product Introduction:
Boron Trifluoride Etherate is an important organic boron compound with a chemical formula of C₄H₁₀BF₃O and a molecular weight of 141.93. It is a colorless or light yellow transparent liquid with a strong pungent odor. It will hydrolyze rapidly when it encounters moisture in the air, releasing highly toxic fluoride fumes. Boron Trifluoride Etherate is a complex formed by boron trifluoride (BF₃) and ether through coordination bonds. This structure gives it unique chemical properties. For example, as a strong Lewis acid, it can form adducts with a variety of organic molecules, thereby showing high activity in catalytic reactions.
From the perspective of chemical properties, Boron Trifluoride Etherate has a melting point of about -58°C, a boiling point between 126-129°C, a density of 1.15 g/mL, and a flash point as low as 118℉ (about 47.8°C). It is a highly flammable liquid. It has a wide range of solubility and is miscible with organic solvents such as ether and alcohols, but it is highly reactive in water. When it comes into contact with water, it undergoes an exothermic reaction to generate ether and corrosive boron trifluoride. Therefore, it needs to be stored in a strictly moisture-proof manner. The industrial preparation of Boron Trifluoride Etherate usually uses sulfuric acid, fluorite powder (calcium fluoride) and boric acid as raw materials. Boron trifluoride gas is generated through a co-thermal reaction, which is then complexed with ether and refined to obtain the finished product. The waste sulfuric acid generated during the production process can be recycled for fertilizer production, reflecting the environmental protection concept of resource recycling.
In terms of safety, Boron Trifluoride Etherate is classified as a highly toxic chemical. Its toxicity comes not only from itself, but also from the hydrogen fluoride (HF) gas that may be released during its preparation. The latter is 20 times more harmful to the human body than sulfur dioxide. Long-term exposure to hydrogen fluoride can cause bone decalcification, spontaneous fractures, and in severe cases, respiratory paralysis or even death; short-term exposure may cause skin burns, dermatitis, etc. Therefore, the equipment must be strictly sealed during production and use, and the operators must wear protective equipment and work in a well-ventilated environment. When storing, it must be placed in a cool and dry place, and packed in stainless steel containers or plastic barrels and wooden boxes to avoid contact with oxidants or water.
Nature and Specifications:
| Item | Specification |
| Product Name | Boron Trifluoride Etherate |
| CAS No. | 109-63-7 |
| Appearance | Liquid |
| Shelf Life | 2 years |
| Packing | As your requirements |
| storage temp. | Store below +30°C. |
| solubility | Miscible with ether and alcohol. |
| form | liquid |
| color | brown |
| Specific Gravity | 1.126 (20/4℃) |
| explosive limit | 5.1-18.2%(V) |
Product service:
- Certificate Of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
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- Free Sample
- Factory audit
Boron Trifluoride Etherate is an essential catalyst in the petrochemical industry, used to synthesize butadiene rubber, polyformaldehyde and coumarone resin production processes. When producing butadiene rubber for example, its production relies heavily on acidic environments provided by complexes to ensure reaction rates and regularity of product delivery. Furthermore, its role as an epoxy curing agent cannot be overlooked; by stimulating open-loop crosslinking processes of epoxy groups it promotes open-loop crosslinking processes it can significantly enhance mechanical strength and heat resistance significantly.
Boron Trifluoride Etherate can also serve as a powerful solvent. Due to its favorable polarity and miscibility properties, it serves as an ideal medium for extracting or treating specific organic compounds, particularly aromatic or oxygen-containing heterocyclic molecules, in which case its good dissolvability helps dissociate and stabilize reaction intermediates. Furthermore, as a ligand it forms stable complexes with transition metals used in asymmetric synthesis or catalytic cycling systems for further expansion in fine chemical production.
Boron Trifluoride Etherate is a very important catalyst in organic synthesis and is irreplaceable in many reactions. It is a very strong Lewis acid that catalyzes reactions such as acetylation, alkylation, polymerization, dehydration, and condensation. For example, esterification of alcohols can be accelerated because it accelerates the proton transfer process, thus reducing the activation energy of the whole reaction; In polymerization, chain growth is catalyzed by the stabilization of a carbocationic intermediate provided by the compound, thus controlling the molecular weight distribution of a given product. Its application in the synthesis of borohydride fuels facilitates the separation of high explosives and boron-10 isotopes, further increasing its demand in nuclear and energy applications.
The core advantage of Boron Trifluoride Etherate lies in its high catalytic performance and wide application adaptability. As a Lewis acid catalyst, its activity is far more than traditional proton acids (such as sulfuric acid or hydrochloric acid), and the reaction conditions are mild, usually can be carried out at low temperatures (0-50℃), significantly reducing energy consumption and reducing side reactions. For example, in the alkylation reaction, Boron Trifluoride Etherate has high selectivity and can effectively inhibit the generation of isomerization byproducts, thus improving the purity of target products. In addition, the complex form is easy to store and transport, and only heating can release the active BF₃ gas when used, which is easy to operate and high safety.
From the point of view of chemical stability, Boron Trifluoride Etherate can be stored for a long time without decomposition under closed conditions, but its sensitivity to moisture and oxygen requires a strict storage environment. Industrial grade products are usually purified by distillation to ensure a purity of more than 99% to meet the needs of high-end applications (such as electronic chemicals or pharmaceutical intermediates synthesis).
In terms of economic benefits, the large-scale production technology of Boron Trifluoride Ether is mature and the raw material cost is relatively low. Fluorite and boric acid, as the main raw materials, are abundant in reserves worldwide. In addition, the reusability of Boron Trifluoride Ether as a catalyst (recovered through distillation) reduces the overall cost of industrial production, especially in continuous flow reactors, where its recycling rate can reach over 90%, in line with the development trend of sustainable chemistry.
Improvements in safety design have also enhanced the market competitiveness of Boron Trifluoride Etherate. Modern production processes reduce manual intervention through automated control and combine real-time monitoring systems to effectively prevent leakage and exposure risks. In terms of packaging, stainless steel cans or composite material containers are used, taking into account both sealing and corrosion resistance to ensure stability under extreme temperature and humidity conditions. These technological innovations not only improve product reliability, but also promote its penetration in high-end manufacturing industries (such as semiconductor packaging materials or special coatings).
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Related References:
chemicalbook-Boron Trifluoride Etherate
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