Description

Tetramethylammonium Hydrogen Sulfate 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 reaction rates and yields in specialized organic syntheses. It serves as a critical reagent for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for alkylation and polymerization processes.

Application

• Phase-Transfer Catalyst (PTC): Used to accelerate reactions between ionic and organic reactants in biphasic systems.
• Electrolyte Additive: Employed in electrochemical applications and certain battery research due to its ionic properties.
• Organic Synthesis Intermediate: Acts as a methylating or quaternizing agent in the production of fine chemicals and active pharmaceutical ingredients (APIs).
• Polymerization Catalyst: Facilitates specific condensation or ionic polymerization reactions.
• Analytical Chemistry: Used as an ion-pairing agent in chromatography (e.g., HPLC) for the separation of ionic compounds.
• Surfactant & Dispersant Research: Studied for its surface-active properties derived from the tetramethylammonium cation.

Basic Information

Product Name	Tetramethylammonium Hydrogen Sulfate
CAS No.	103812-00-6
Molecular Formula	C4H13NO4S
Molecular Weight	171.21 g/mol
Synonyms	Tetramethylammonium bisulfate; Tetramethylammonium hydrogensulfate; N,N,N-Trimethylmethanaminium hydrogen sulfate; Ammonium, tetramethyl-, sulfate (1:1); TMAHS; TMAS
EINECS	Contact for details

Quality Control

Our Tetramethylammonium Hydrogen Sulfate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. Certificates of Analysis (COA) documenting purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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 must be kept in a dry environment to prevent caking and decomposition.

Specification

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

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