Overview
Boron trifluoride etherate (BF3·OEt2) is a coordination complex formed by boron trifluoride (BF3) and diethyl ether (OEt2). It is a versatile Lewis acid catalyst widely employed in organic synthesis due to its ability to activate various reactions. The complex stabilizes the highly reactive BF3, making it easier to handle while retaining its catalytic activity. First synthesized in the early 20th century, BF3·OEt2 has become indispensable in industrial and laboratory settings. Its applications span pharmaceuticals, petrochemicals, and polymer manufacturing. The compound’s reactivity and selectivity make it a preferred choice for reactions requiring mild acidic conditions.
Physical and Chemical Properties
Boron trifluoride etherate is a colorless to pale yellow liquid with a sharp, pungent odor. It has a density of 1.12 g/cm³ and boils at 126-129°C. The compound is highly soluble in organic solvents like diethyl ether and tetrahydrofuran (THF) but reacts violently with water, releasing toxic fumes of boron trifluoride and hydrogen fluoride. As a strong Lewis acid, BF3·OEt2 readily forms adducts with electron donors, making it effective for catalyzing reactions such as Friedel-Crafts alkylations and polymerizations. Its moisture sensitivity necessitates storage under inert atmospheres, typically nitrogen or argon, to prevent decomposition.
Main Applications
The primary use of boron trifluoride etherate is as a catalyst in organic synthesis. It accelerates reactions like polymerizations (e.g., polyethers and polyesters), alkylations, and esterifications. In the pharmaceutical industry, it facilitates the synthesis of active pharmaceutical ingredients (APIs) by enabling selective bond formations. Another significant application is in the production of specialty chemicals, including dyes, fragrances, and resins. The petrochemical sector utilizes BF3·OEt2 for isomerization and alkylation processes to improve fuel quality. Its versatility and efficiency make it a staple in both small-scale laboratory and large-scale industrial operations.
Safety and Storage
Boron trifluoride etherate is hazardous due to its corrosive, toxic, and flammable nature. Exposure can cause severe burns, respiratory irritation, and eye damage. Always use personal protective equipment (PPE), including gloves, goggles, and lab coats, and handle the compound in a fume hood to avoid inhalation. Storage requires airtight containers under inert gas, away from moisture and heat sources. Incompatible materials include water, strong bases, and oxidizing agents. Spills should be neutralized with inert absorbents and disposed of as hazardous waste. Emergency protocols must include ventilation and immediate medical attention for exposure.
B2B Procurement Guide
When procuring boron trifluoride etherate, prioritize suppliers with ISO or GMP certifications to ensure quality and consistency. Key specifications to verify include purity (typically 98-99.5%), moisture content, and packaging (sealed ampoules or drums under nitrogen). Bulk purchases (e.g., 25 kg drums) often reduce costs but require proper storage facilities. Request safety data sheets (SDS) and technical support for handling and application guidance. For global sourcing, consider logistics like temperature-controlled shipping to prevent degradation. Establish long-term contracts with reliable suppliers to secure stable pricing and availability.
Related Manufacturers
- 主营：苄胺络合物、三氟化硼四氢呋喃络合、三氟化硼乙腈络合物、三氟化硼乙酸乙酯络合、三氟化硼甲醇络合物、三氟化硼苯酚络合物、三氟化硼、三氟化硼乙醚络合物、三氟化硼乙酸络合物、三氟化硼乙醇络合物、化学合成中间体、环氧树脂固化剂
- 主营：催化剂、高效化工、医药中间体、络合物、化工添加剂、淡黄色液体、钢材用水性涂料、优级品密封桶装、环氧树脂固化剂
- 主营：石竹素、中间体、邻氟氯苄、偏钒酸钠、油酸甲酯、油酸乙酯、高藜芦胺、氯碘甲烷、反-查耳酮、2-甲基哌嗪、2-糠酸甲酯、2-噻吩甲醛、2-乙基咪唑、四甲酸二酐、2-甲氧基丙烯、萘二甲酰亚胺、8-萘内酰亚胺、2-呋喃甲酸甲酯、4'-联苯二羧酸、对二甲氨基甲苯
- 主营：对二苯甲酸二肼
- 主营：均苯四甲酸二酐、芥酸酰胺丙基二甲基叔胺、十一烷、三氟化硼四氢呋喃、水杨羟肟酸、表面活性剂、中间体、月桂酸钠、十二烷基双羟乙基甲基、肌氨酸钠、苄基胂酸