Boron Trifluoride Ethyl Acetate Complex

CAS No.: 461-44-9

Catalogue ID: GTC-254

Boron Trifluoride Ethyl Acetate Complex, CAS 461-44-9. Source-derived identification, physical data and applications are provided for catalogue reference; request the current specification, COA and SDS for the required grade.

Catalogue aliases / related identifiers

Ethyl acetate-boron trifluoride; Boron trifluoride-ethyl acetate adduct; (Ethyl acetate)trifluoroboron; Trifluoroborane ethyl acetate complex; BF3-Ethyl Acetate; Ethyl acetate, compd. with boron fluoride (BF3) (1:1); Acetic acid, ethyl ester, compound with trifluoroborane (1:1)

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Supplied catalogue source: GTC-254 · Page 87

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The information below is a structured migration from the supplied catalogue snapshot. It is not a current product specification, COA or SDS. Confirm the actual supplier, grade, batch documents, classification, packing and destination requirements for your enquiry.

Basic Information of Boron Trifluoride Ethyl Acetate Complex

Boron Trifluoride Ethyl Acetate Complex (CAS No. 461-44-9) is characterized by the following significant attributes:

CAS No.:	461-44-9
Linear Formula:	C₄H₈BF₃O₂
Molecular Weight:	155.91
Appearance:	Colorless to light yellow liquid
Chemical Structure:

Its precise composition and catalytic strength make it a preferred choice for reactions requiring efficient and selective Lewis acid catalysis.

Main Functions and Applications of Boron Trifluoride Ethyl Acetate Complex

Preparation of Pharmaceutical Intermediates: Due to its strong Lewis acidity, it is commonly used as an efficient catalyst in organic synthesis for the preparation of complex organic molecules, playing a vital role in the synthesis of pharmaceutical intermediates where precise control and high yields are critical.
Fragrance Synthesis: In the fragrance industry, this complex is utilized to synthesize compounds possessing unique and desirable aromas. It facilitates various reactions, such as Friedel-Crafts alkylations or cyclizations, which are essential steps in creating diverse fragrance ingredients.
Synthesis of Polymeric Materials: In the synthesis of polymeric materials, the boron trifluoride ethyl acetate complex serves as an initiator or catalyst to promote various polymerization reactions, especially cationic polymerization. It is effective in initiating the polymerization of monomers like cyclic ethers, vinyl ethers, and certain olefins, leading to a wide range of specialty polymers.
Other Fine Chemical Applications: Beyond the aforementioned primary application areas, this complex finds broader utility in the synthesis of other fine chemical products. Its versatility as a Lewis acid catalyst makes it valuable in the production of compounds used in sectors such as pesticides and dyes, where complex multi-step syntheses are common.

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Hazards Classification

GHS Classification: Skin Corrosion / Serious Eye Damage (GHS05), Acute Toxicity — Inhalation (GHS06), Flammable Liquid (GHS02), Specific Target Organ Toxicity — Single Exposure (GHS08)
Hazard Statements: Causes severe skin burns and eye damage (H314); toxic if inhaled (H331); highly flammable liquid and vapor (H225) — may cause drowsiness or dizziness (H336) depending on solvent content; may cause damage to organs (H370) with repeated or prolonged exposure.
UN Number: UN 2922
Hazard Class: 8 (Corrosive substances); Subsidiary hazard class: 6.1 (Toxic substances); Subsidiary / consideration: 3 (Flammable) when solvent concentration justifies.
Packing Group: II