Description

Tetraethylammonium Hydrogen Sulfide is a quaternary ammonium salt with a hydrogen sulfide counterion, offering a unique source of nucleophilic sulfide ions in organic synthesis. This compound is valued for its role as a phase-transfer catalyst and a reagent in the preparation of sulfur-containing organic molecules. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly for nucleophilic substitution reactions using sulfide ions.
• Sulfur Source in Organic Synthesis: Employed as a reagent for the introduction of thiol (-SH) or sulfide (-S-) functional groups into target molecules.
• Pharmaceutical Intermediate Manufacturing: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates containing sulfur heterocycles or thioether linkages.
• Agrochemical Synthesis: Applied in the production of herbicides, fungicides, and insecticides where sulfur incorporation is critical for bioactivity.
• Polymer Modification: Acts as a curing agent or cross-linking agent in the production of specialty polymers and resins.
• Laboratory Research: Serves as a versatile reagent in academic and industrial R&D for exploring new synthetic methodologies.
• Electrolyte Additive: Investigated for use in advanced battery systems and electrochemical applications.

Basic Information

Product Name	Tetraethylammonium Hydrogen Sulfide
CAS No.	10408-33-0
Molecular Formula	C8H21NS
Molecular Weight	163.33 g/mol
Synonyms	Tetraethylammonium Hydrosulfide; Tetraethylammonium Bisulfide; Tetraethylammonium Sulfhydrate; TEASH; TEAHS; N,N,N-Triethylethanaminium Hydrosulfide; Ethanaminium, N,N,N-triethyl-, hydrosulfide (1:1); Tetraethylazanium Hydrogen Sulfide
EINECS	233-875-2

Quality Control

Our Tetraethylammonium Hydrogen Sulfide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system supports compliance with cGMP and ISO standards for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 20 ppm

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