Tech Serve Solutions

Boron trifluoride diethyl etherate

CAS 109-63-7BF3 · O(C2H5)2Acids & Bases

Boron trifluoride diethyl etherate (CAS: 109-63-7), with the formula BF3 · O(C2H5)2 and a molecular weight of 141.93 g/mol, is a vital Lewis acid and a versatile reagent in organic synthesis. Supplied by Tech Serve Solutions as a brown liquid, this compound serves as a potent catalyst and a source of boron trifluoride in various chemical transformations, particularly in esterifications and polymerizations. Its complexation with diethyl ether stabilises BF3, making it easier to handle.

IUPAC
Boron trifluoride ethyl etherate
Email us
Boron trifluoride diethyl etherate (BF3 · O(C2H5)2) — chemical structure, CAS 109-63-7; Chemistry, fine chemical supplied by Tech Serve Solutions
AcidsAcids & BasesBoronChemical SynthesisLewis AcidsSynthetic Reagents More...
01 /Applications

Lewis Acid Catalysis

Boron trifluoride diethyl etherate functions as a strong Lewis acid catalyst. It effectively promotes reactions such as esterification, Friedel-Crafts acylation, and polymerization, where it activates substrates by accepting electron pairs.

Boron Trifluoride Source

This complex serves as a convenient and stabilised source of boron trifluoride (BF3). It is often preferred over gaseous BF3 due to its liquid form, which simplifies handling and dosing in synthetic procedures.

Organic Synthesis Reagent

It is widely employed in organic chemistry for a variety of transformations, including the formation of ethers, acetals, and heterocyclic compounds. Its reactivity profile makes it a valuable tool for constructing complex molecular architectures.

Polymerization Initiator

Boron trifluoride diethyl etherate can initiate cationic polymerization reactions. It is particularly useful for polymerizing olefins and other monomers susceptible to cationic chain growth.

02 /Properties
Molecular weight141.93
Linear formulaBF3 · O(C2H5)2
Formliquid
Colourbrown
Boiling point126-129 °C(lit.)
Density1.15 g/mL(lit.)
Refractive indexn20/D 1.344(lit.)
Melting point−58 °C(lit.)
Vapour pressure4.2 mmHg (20 °C)
Vapour density4.9 (vs air)
Storage temperature2-8°C
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
GHS hazard pictogram: Toxic (GHS06)
Toxic
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
Danger

Hazard statements

  • H226Flammable liquid and vapour
  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H330Fatal if inhaled
  • H372Causes damage to organs through prolonged exposure

Precautionary statements

  • P260Do not breathe dust, fume, gas, mist, vapours or spray
  • P280Wear protective gloves, clothing and eye/face protection
  • P284Wear respiratory protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point48 °C / 118.4 °F
Transport (UN / ADR)UN 2604 3(8) / PGI
Water hazard class (WGK, DE)3
Hazard codes (EU)T
Risk statements (R)10-14-22-23-35-48/23
Safety statements (S)16-23-26-36/37/39-45
Supplemental hazardsReacts violently with water.

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
109-63-7
MDL number
MFCD00013194
Beilstein registry
3909607
05 /Additional specifications
Expl Lim36 %
06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Boron trifluoride diethyl etherate used for?

+

Boron trifluoride diethyl etherate is primarily used as a Lewis acid catalyst and a stabilised source of boron trifluoride in organic synthesis, including esterifications, Friedel-Crafts reactions, and polymerizations.

What are the CAS number and formula for Boron trifluoride diethyl etherate?

+

The CAS number is 109-63-7, and the formula is BF3 · O(C2H5)2.

What grade and purity does Tech Serve Solutions supply?

+

Tech Serve Solutions supplies Boron trifluoride diethyl etherate typically as a technical or research grade. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.

How should Boron trifluoride diethyl etherate be handled safely?

+

Boron trifluoride diethyl etherate is a danger to health and safety. It is flammable, harmful if swallowed, causes severe skin burns and eye damage, and is toxic if inhaled. It reacts violently with water. Always handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. Refer to the Safety Data Sheet for detailed handling information.

How is Boron trifluoride diethyl etherate packed, shipped, and exported?

+

Boron trifluoride diethyl etherate is carefully packed in compliance with international shipping regulations for hazardous materials. Tech Serve Solutions is experienced in exporting chemicals globally.

How can I request a quote or sample?

+

To request a quote or sample of Boron trifluoride diethyl etherate, please contact our sales team through the website or by phone, providing your specific requirements.

Need Boron trifluoride diethyl etherate in a specific grade or volume?