Description

Tetramethylammonium Hydrogen Difluoride is a specialized quaternary ammonium fluoride salt that serves as a versatile source of fluoride ions and a phase-transfer catalyst. This compound is valued for its dual functionality as a mild fluorinating agent and a strong organic-soluble base, enabling critical reactions under relatively mild conditions. It is primarily sought by manufacturers and researchers in the pharmaceutical, agrochemical, and advanced materials sectors for applications requiring precise fluoride chemistry.

Application

• Fluorination Reactions: Acts as a key reagent for nucleophilic fluorination in the synthesis of fluorinated pharmaceutical intermediates and active ingredients.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly in alkylation and esterification processes within fine chemical manufacturing.
• Etching Agent in Electronics: Used in the microelectronics industry for the controlled etching of silicon and silicon dioxide surfaces.
• Polymer Modification: Employed in the surface treatment and modification of polymers to introduce fluoride functionality.
• Laboratory Reagent: Serves as a specialized fluoride source and strong base in research and development for organic synthesis.
• Agrochemical Synthesis: Utilized in the production of certain fluorinated pesticides and herbicides.

Basic Information

Product Name	Tetramethylammonium Hydrogen Difluoride
CAS No.	80764-08-5
Molecular Formula	C4H12F2N
Molecular Weight	119.14 g/mol
Synonyms	TMAH Difluoride; Tetramethylammonium Difluoride; Tetramethylammonium Bifluoride; N,N,N-Trimethylmethanaminium Hydrogen Difluoride; Ammonium, tetramethyl-, hydrogen fluoride (1:1:2); TMAHF2; Tetramethylammonium Fluoride Hydrofluoride
EINECS	Contact for details

Quality Control

Our Tetramethylammonium Hydrogen Difluoride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial and research applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry atmosphere to prevent decomposition. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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