Description

Ethanethiol, 2,2'-[1,4-Butanediylbis(Thio)]Bis- is a specialized sulfur-containing organic compound, a dithiol derivative with a linear butylene bridge. This chemical is valued for its role as a versatile building block and ligand in advanced synthesis and material science. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, polymer, and specialty chemical industries for applications requiring precise molecular control and functional group reactivity.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thiol or disulfide functional groups.
• Polymer Modification & Cross-linking Agent: Used to introduce sulfur-based cross-links into polymer chains, enhancing properties like thermal stability and elasticity in specialty rubbers and resins.
• Ligand in Catalysis & Metal Complexation: Acts as a chelating agent for transition metals, forming complexes used in catalytic processes and materials research.
• Chemical Synthesis Building Block: Employed in organic synthesis to construct more complex molecules, including heterocycles and dendrimers.
• Surface Functionalization: Utilized for modifying material surfaces (e.g., gold nanoparticles, polymers) to alter adhesion, wettability, or biocompatibility.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new reactions and material properties in sulfur chemistry.

Basic Information

Item	Detail
Product Name	Ethanethiol, 2,2'-[1,4-Butanediylbis(Thio)]Bis-
CAS No.	90265-60-4
Molecular Formula	C10H22S4
Molecular Weight	270.54 g/mol
Synonyms	1,4-Bis(2-mercaptoethylthio)butane; 2,2'-(Butane-1,4-diylbis(sulfanediyl))di(ethanethiol); 1,4-Butanediyl bis(2-mercaptoethyl sulfide); Bis(2-mercaptoethylthio)butane; Dithiothreitol analog (linear); 1,4-Bis(2-sulfanylethylsulfanyl)butane; Contact for EINECS details.

Quality Control

Our production of Ethanethiol, 2,2'-[1,4-Butanediylbis(Thio)]Bis- adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. While produced to technical or research grade standards, specifications can be adjusted to meet custom requirements. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated place. Recommended storage temperature is 2-8°C to minimize oxidation and prolong shelf-life. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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