Description

Bis(2-Mercaptoethyl) Ether is a sulfur-containing organic compound featuring two thiol (mercapto) groups linked by an ether bridge. This unique bifunctional structure makes it a valuable intermediate and cross-linking agent in advanced material synthesis. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for applications requiring precise molecular control and reactivity.

Application

• Polymer Modification & Cross-linking Agent: Used to introduce thiol functional groups into polymer chains for vulcanization, enhancing thermal stability, and improving mechanical properties in rubbers and specialty plastics.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex molecules, particularly those requiring disulfide bond formation or specific sulfur-based pharmacophores.
• Ligand Synthesis for Catalysis: Employed in the preparation of chelating ligands for metal catalysts used in organic synthesis and industrial chemical processes.
• Surface Functionalization: Used to modify material surfaces (e.g., gold nanoparticles, polymers) by forming self-assembled monolayers (SAMs) via thiol-gold or other thiol-metal interactions.
• Adhesive & Sealant Formulations: Acts as a reactive component in high-performance adhesives and sealants, contributing to cure properties and final product durability.
• Chemical Research & Development: A versatile reagent in organic synthesis for constructing heterocycles and other complex molecular architectures.

Basic Information

Product Name	Bis(2-Mercaptoethyl) Ether
CAS No.	21500-20-9
Molecular Formula	C4H10OS2
Molecular Weight	138.25 g/mol
Synonyms	2,2'-Oxydiethanethiol; 1,2-Ethanedithiol, 2,2'-oxybis-; Bis(β-mercaptoethyl) Ether; 2,2'-Thiodiethanol, dithio-; Dithiodiglycol; Dithiodiethylene Glycol; 2-(2-Mercaptoethoxy)ethanethiol; Oxybis(2-ethanethiol)
EINECS	244-407-4

Quality Control

Our Bis(2-Mercaptoethyl) Ether is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay by GC or HPLC and impurity profiling, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and physical parameters is provided with every 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, and well-ventilated area. 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.