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Tetraethyl Ammonium Tetrafluoro Borate — Fine white crystalline powder in a capped glass bottle and on a watch glass beside a glass desiccator (illustrative image)C8H20BF4NCAS 429-06-1
Illustrative image: fine white crystalline powder in a capped glass bottle and on a watch glass beside a glass desiccator, created with AI from this product's documented appearance. Not a photograph of supplied material — appearance can vary by grade and lot.
Phase Transfer Catalysts

Tetraethyl Ammonium Tetrafluoro Borate

TEABF4 — high-conductivity quaternary ammonium electrolyte salt for supercapacitors and electro-synthesis.

Tetraethyl ammonium tetrafluoroborate (TEABF4) is a quaternary ammonium salt renowned for its high electrochemical stability window, high ionic conductivity and wide temperature tolerance. It is the premier electrolyte salt in double-layer electric capacitors (supercapacitors), lithium-ion battery research, and electrochemical synthesis, as well as a phase transfer reagent and ionic material. Assay, water content and packing confirmed upon enquiry.

CAS number
429-06-1
Formula
C8H20BF4N
Form
Crystalline powder

Price, minimum order quantity, packing and lead time are confirmed per enquiry.

Product information

Only identifiers and properties we hold for this product are listed. Anything not shown here is confirmed against your enquiry rather than assumed.

Product name
Tetraethyl Ammonium Tetrafluoro Borate
CAS number
429-06-1
Molecular formula
C8H20BF4N
Molecular weight
217.06 g/mol
Physical form
Crystalline powder
Appearance
White crystalline powder
Typical grade offered
99%+
Melting point
375–378 °C (dec.)
Purity / assay
Confirmed against your specification on enquiry
Packing
Confirmed on enquiry
Origin
Confirmed on enquiry
Documentation
Available on request for a specific enquiry

General technical information

General information: TEABF4 for electrochemical applications is typically controlled for ultra-low moisture and trace halide content. Stored in tightly sealed containers under dry conditions. This provides general chemical context.

Chemical structure of Tetraethyl Ammonium Tetrafluoro Borate (C8H20BF4N)
Chemical structure · drawn from PubChem CID 2724277

Applications

  • Supercapacitor Electrolyte
  • Electrochemical Synthesis
  • Phase Transfer & Ionic Media
  • Energy Storage Materials
  • Organic Synthesis

Listed applications describe where this type of material is commonly used. Suitability for your process should be confirmed against the specification agreed for your order.

Also known as

  • TEABF4
  • Tetraethylammonium tetrafluoroborate
  • Tetraethylammonium fluoborate
  • Tetraethyl ammonium tetrafluoro borate

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