Description

Triethyloxonium Tetrafluoroborate is a powerful alkylating agent and a highly reactive salt of the triethyloxonium cation. Its primary value lies in its exceptional ability to function as an ethylating agent under mild conditions, making it a crucial reagent for synthesizing ethers and esters from carboxylic acids. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, particularly for O-alkylation and catalyst preparation.

Application

• Pharmaceutical Synthesis: Key reagent for the O-ethylation of sensitive carboxylic acids, phenols, and alcohols in intermediate and active pharmaceutical ingredient (API) manufacturing.
• Agrochemical Production: Used in the synthesis of ethyl ether and ester derivatives that serve as key intermediates for herbicides, fungicides, and insecticides.
• Polymer & Material Science: Employed as an initiator or catalyst in polymerization reactions and for the surface modification of polymers.
• Organic Synthesis & Research: A staple reagent for introducing ethoxy groups in complex molecule construction, including natural product synthesis and methodology development.
• Esterification Catalyst: Facilitates efficient esterification reactions, particularly where traditional acid catalysts are unsuitable due to side reactions.
• Specialty Chemical Manufacturing: Used in the production of specialty ethers, ionic liquids, and other high-value chemical intermediates.

Basic Information

Product Name	Triethyloxonium Tetrafluoroborate
CAS No.	368-39-8
Molecular Formula	C6H15BF4O
Molecular Weight	189.99 g/mol
Synonyms	Triethyloxonium fluoroborate; Ethoxyethyldiazonium tetrafluoroborate; Triethyloxonium tetrafluoroborate(1-); Triethyloxonium BF4; Et3OBF4; Triethyloxonium salt; Tetrafluoroboric acid triethyloxonium salt; Triethyloxonium tetrafluoroborate reagent
EINECS	206-710-3

Quality Control

Our Triethyloxonium Tetrafluoroborate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high reactivity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of cGMP and ISO standards for advanced chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic and light-sensitive nature, this material should be handled under an inert atmosphere (e.g., nitrogen or argon) in a moisture-controlled environment. Recommended long-term storage temperature is 2-8°C. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.