Description

Tetramethylammonium Hydrogensulfate is a quaternary ammonium salt with significant utility as a phase-transfer catalyst and an electrolyte component. This compound is valued for its ability to facilitate reactions between reagents in immiscible phases, enhancing yield and efficiency in specialized organic syntheses. It is primarily sought by manufacturers and research laboratories in the fine chemical, pharmaceutical, and electronics industries for process development and material science applications.

Application

• Phase-Transfer Catalyst (PTC): Used to accelerate reactions between ionic and organic reactants in biphasic systems, such as alkylations and esterifications.
• Electrolyte Additive: Employed in electrochemical applications and energy storage devices, including capacitors and battery research.
• Chemical Synthesis Intermediate: Serves as a precursor or reagent in the synthesis of other quaternary ammonium compounds and specialty chemicals.
• Analytical Chemistry: Utilized as an ion-pairing agent in chromatographic techniques like HPLC for the separation of ionic species.
• Polymerization Catalyst: Acts as a catalyst or initiator in specific polymerization reactions for producing functional polymers.
• Surfactant & Dispersant Research: Investigated for its surface-active properties in formulation science and material dispersion.

Basic Information

Product Name	Tetramethylammonium Hydrogensulfate
CAS No.	80526-82-5
Molecular Formula	C4H13NO4S
Molecular Weight	171.22 g/mol
Synonyms	Tetramethylammonium Bisulfate; Tetramethylammonium Hydrogen Sulfate; N,N,N-Trimethylmethanaminium Hydrogensulfate; Ammonium, tetramethyl-, sulfate (1:1); TMAHS; TMAS; Tetramethylammonium Sulfate Monobasic
EINECS	Contact for details

Quality Control

Our Tetramethylammonium Hydrogensulfate is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) documenting purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and compliance with your project requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	Contact for details

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