Description

Triethylamine Pentahydrofluoride is a specialized fluorinating agent and source of fluoride ions, formed by the complexation of triethylamine with hydrogen fluoride. This compound is valued for its controlled reactivity and utility as a safer, more manageable alternative to anhydrous hydrogen fluoride in demanding synthetic processes. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for applications requiring precise fluorination or fluoride ion chemistry.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for the selective introduction of fluorine atoms into active pharmaceutical ingredients (APIs), enhancing metabolic stability and bioavailability.
• Agrochemical Production: Used in the synthesis of fluorinated pesticides and herbicides, where the fluorine moiety improves efficacy and environmental persistence.
• Catalyst and Reagent in Organic Chemistry: Serves as a fluoride source in various catalytic cycles and as a reagent for deprotection or desilylation reactions in complex molecule assembly.
• Electrolyte Additive for Batteries: Investigated for use in lithium-ion battery electrolytes to improve stability and form stable solid-electrolyte interphase (SEI) layers.
• Surface Etching and Treatment: Employed in the microelectronics and glass industries for controlled etching of silicon-based materials and surface modification.
• Laboratory Research & Development: A valuable tool for academic and industrial R&D chemists exploring new fluorination methodologies and fluorine chemistry.

Basic Information

Product Name	Triethylamine Pentahydrofluoride
CAS No.	94527-74-9
Molecular Formula	C6H15N · 5HF or (C2H5)3N·5HF
Molecular Weight	207.19 g/mol (for C6H15N·5HF)
Synonyms	Triethylamine Hydrofluoride (5:1); Triethylamine Polyhydrofluoride; TEA·5HF; Et3N·5HF; Triethylammonium Pentahydrofluoride; Fluorinating Agent TEA-5HF; Hydrogen Fluoride Triethylamine Complex (5:1); Triethylamine-Hydrogen Fluoride Complex
EINECS	Contact for details

Quality Control

Our Triethylamine Pentahydrofluoride is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthetic applications. Key parameters such as assay (HF and amine content), water content, and impurity profiles are verified. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after initial opening to prevent decomposition and maintain efficacy. Keep away from strong acids, bases, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Related Impurities (HPLC/GC)	Contact for details
Density (at 20°C)	~1.2 g/cm³

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