Boron Trifluoride Acetonitrile Complex

Basic Information of Boron Trifluoride Acetonitrile Complex

Boron Trifluoride Acetonitrile Complex (CAS No. 420-16-6) is a critical reagent characterized by the following properties:

CAS No.:	420-16-6
EC No.:	690-796-1
Linear Formula:	C₂H₃BF₃N
Molecular Weight:	108.86
Appearance:	Colorless to light yellow transparent liquid
Boiling point:	82-85.5 °C (at 101.325 kPa)
Density:	0.87-0.88 g/mL at 20 °C
Solubility	Easily soluble in water (reacts), miscible with many organic solvents like alcohol and ether.
Flash Point:	10 °C
Nature:	Potent Lewis acid catalyst.
RIDADR:	UN 2924 3/PG 2
Chemical Structure:

These characteristics make it a preferred choice for reactions requiring the strong catalytic power of BF₃ in a more manageable liquid form.

Key Applications of Boron Trifluoride Acetonitrile Complex

1. Specialized Catalyst for Organic Synthesis: Boron trifluoride acetonitrile complex is widely used as a potent Lewis acid catalyst in various organic reactions. Its applications include the precise synthesis of complex molecules and intermediates, especially within the pharmaceutical industry for compounds such as antibiotics.

2. Versatile Catalysis & Convenient BF₃ Source: Primarily employed as a highly effective catalyst for a broad spectrum of organic reactions like esterification, alkylation, polymerization, and isomerization. Furthermore, this complex serves as a stable and convenient source of Boron Trifluoride (BF₃), which is itself a crucial raw material for the industrial preparation of other boron compounds, including boron halides, elemental boron, boranes, and sodium borohydride.

3. Epoxy Curing & Advanced Chemical Processes: This complex can function as an efficient curing agent or accelerator for epoxy resins. The Boron Trifluoride component it provides is also relevant in specialized applications such as the production of hydrogen-based high-energy fuels (derived from boranes) and in processes for the extraction of boron isotopes.

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Hazards Classification

• GHS Classification: Flammable Liquid (GHS02), Acute Toxicity (GHS06 / GHS07), Skin Corrosion / Serious Eye Damage (GHS05)

• Hazard Statements: Highly flammable liquid and vapor (H225); harmful if swallowed and in contact with skin (H302 + H312); causes severe skin burns and eye damage (H314); toxic if inhaled (H331).

• UN Number: UN 2924

• Hazard Class: 3 (Flammable Liquids)

• Packing Group: II