Description

Tetrabutylammonium Hydrogen Sulfide is a quaternary ammonium salt that serves as a versatile source of the hydrosulfide anion (HS⁻). This compound is valued for its role as a highly effective phase-transfer catalyst and nucleophile in organic synthesis, facilitating reactions between reagents in immiscible phases. It is primarily utilized by research chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing sulfur-containing molecules and enabling challenging synthetic transformations.

Application

• Phase-Transfer Catalysis (PTC): Enables reactions between ionic reagents in aqueous phases and organic substrates in organic solvents, improving yield and efficiency.
• Nucleophilic Sulfur Source: Used for the introduction of thiol (-SH) or sulfide groups into organic molecules via substitution or addition reactions.
• Pharmaceutical Intermediate Synthesis: Critical for the production of active pharmaceutical ingredients (APIs) containing sulfur heterocycles or thioether linkages.
• Polymer Modification: Employed in the synthesis and functionalization of polymers to impart specific chemical or physical properties.
• Agrochemical Production: Used in the manufacture of certain herbicides, fungicides, and insecticides where sulfur incorporation is required.
• Laboratory Research & Development: A key reagent for methodological development and small-scale synthesis in academic and industrial R&D settings.

Basic Information

Product Name	Tetrabutylammonium Hydrogen Sulfide
CAS No.	84030-21-7
Molecular Formula	C₁₆H₃₇NS
Molecular Weight	275.54 g/mol
Synonyms	Tetrabutylammonium Hydrosulfide; Tetra-n-butylammonium Hydrogen Sulfide; TBHS; TBAHS; Tetrabutylammonium Bisulfide; Tetrabutylammonium Mercaptide; Tetrabutylazanium;hydrosulfide; HS-TBA
EINECS	Contact for details

Quality Control

Our Tetrabutylammonium Hydrogen Sulfide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by titration and identification by FT-IR, to ensure high purity and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to support your quality assurance and regulatory needs.

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 should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition.

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 %

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