Description

Tetraoctylammonium Hydrogen Sulfate is a high-purity quaternary ammonium salt widely utilized as a versatile phase-transfer catalyst and ionic liquid precursor. Its primary commercial value lies in its ability to facilitate reactions between reagents in immiscible phases, significantly enhancing reaction rates and yields in specialized organic syntheses. This product is essential for R&D laboratories and industrial-scale manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking efficient and selective catalytic processes.

Application

• Phase-Transfer Catalyst (PTC): Enables nucleophilic substitution, oxidation, and alkylation reactions in biphasic systems, improving efficiency in fine chemical synthesis.
• Ionic Liquid Synthesis: Serves as a key precursor or component in the formulation of task-specific ionic liquids for green chemistry applications.
• Pharmaceutical Intermediates: Catalyzes the production of complex drug molecules and active pharmaceutical ingredients (APIs) where traditional catalysts are ineffective.
• Polymerization Aid: Acts as an emulsifier or catalyst in specific polymerization processes to control molecular weight and polymer structure.
• Extraction & Separation: Used in liquid-liquid extraction processes for metal ions or organic compounds due to its ion-pairing properties.
• Analytical Chemistry: Employed as an ion-pairing agent in chromatography (e.g., HPLC) to improve the separation of ionic analytes.
• Surface Modification: Functions as a surfactant or modifier to alter the surface properties of materials and nanoparticles.
• Research & Development: A valuable reagent for exploring new catalytic pathways and synthetic methodologies in academic and industrial R&D.

Basic Information

Product Name	Tetraoctylammonium Hydrogen Sulfate
CAS No.	51876-16-5
Molecular Formula	C32H69NO4S
Molecular Weight	563.96 g/mol
Synonyms	Tricaprylylmethylammonium Hydrogen Sulfate; Aliquat® 336 (Hydrogen Sulfate form); TOAHS; Tetra-n-octylammonium Hydrogen Sulfate; Methyltrioctylammonium Hydrogen Sulfate; N,N,N-Trioctyl-1-octanaminium Hydrogen Sulfate; Trioctylmethylammonium Hydrogen Sulfate; Ammonium, trioctylmethyl-, hydrogen sulfate
EINECS	257-502-5

Quality Control

Our Tetraoctylammonium Hydrogen Sulfate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for catalytic and synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for our global B2B clients.

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); ensure the container is sealed immediately after use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white waxy solid or viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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