Description

4,4''-Bis-(2-Hydroxyethylthiophenyl)-Sulfide is a specialized organic sulfur compound featuring dual thiophenyl and hydroxyethyl functional groups. This unique bifunctional structure makes it a valuable intermediate for synthesizing advanced materials, particularly in the polymer and specialty chemical sectors. It is primarily sought by R&D and production teams in the polymer additives, liquid crystal, and pharmaceutical intermediate industries for its role in creating high-performance polymers and functional materials.

Application

• As a key monomer or chain extender in the synthesis of high-performance engineering plastics and specialty polymers.
• As an intermediate for the production of liquid crystal materials and optical films.
• In the development of polymer additives, such as antioxidants and stabilizers, leveraging its sulfur-containing structure.
• For research and synthesis of novel pharmaceutical intermediates and active ingredients.
• As a building block in organic synthesis for creating complex sulfur-containing ligands and functional molecules.
• In the formulation of advanced adhesives and sealants requiring specific chemical resistance and thermal properties.

Basic Information

Product Name	4,4''-Bis-(2-Hydroxyethylthiophenyl)-Sulfide
CAS No.	133921-80-9
Molecular Formula	C18H22O2S3
Molecular Weight	366.56 g/mol
Synonyms	Bis[4-(2-hydroxyethylthio)phenyl] Sulfide; 1,1'-[Thiobis(4,1-phenylenethio)]bis[2-ethanol]; 4,4'-Thiobis(benzenethiol) di(2-hydroxyethyl) ether; 2,2'-[Thiobis(4-phenylenethio)]diethanol
EINECS	Contact for details

Quality Control

Our production of 4,4''-Bis-(2-Hydroxyethylthiophenyl)-Sulfide adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and spectroscopic methods for structural confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its property of being easily oxidized, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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