Description

Bis(2-Hydroxyethyl)Trisulfide is a sulfur-containing organic compound featuring a trisulfide bridge between two hydroxyethyl groups. This unique structure makes it a valuable intermediate and functional additive in various high-performance chemical syntheses. It is particularly sought after by manufacturers in the polymer, pharmaceutical, and specialty chemical industries for applications requiring sulfur cross-linking or as a precursor for more complex molecules.

Application

• Polymer Industry: Acts as a cross-linking agent and chain transfer agent in the synthesis of specialty polymers and rubbers to modify mechanical properties.
• Pharmaceutical Intermediates: Serves as a key building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates containing sulfur functionalities.
• Chemical Synthesis: Utilized as a versatile intermediate for producing more complex sulfur compounds, including ligands for catalysis and specialty surfactants.
• Lubricant & Fuel Additives: Functions as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations and specialty fuels.
• Agrochemicals: Employed in the synthesis of certain pesticides and fungicides where the trisulfide moiety contributes to biological activity.
• Research & Development: Used in academic and industrial R&D for studying sulfur chemistry and developing new materials.

Basic Information

Item	Detail
Product Name	Bis(2-Hydroxyethyl)Trisulfide
CAS No.	4428-14-2
Molecular Formula	C4H10O2S3
Molecular Weight	186.31 g/mol
Synonyms	2,2'-[Trisulfanediyl]bis(ethanol); Di(2-hydroxyethyl) trisulfide; 2-Hydroxyethyl trisulfide; Bis(β-hydroxyethyl) trisulfide; Ethanol, 2,2'-trisulfanediylbis-; HO(CH2)2SSS(CH2)2OH
EINECS	224-615-1

Quality Control

Our Bis(2-Hydroxyethyl)Trisulfide is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting key parameters such as assay, impurity profile, and physical properties. Our quality commitment ensures the material meets the stringent requirements for use in pharmaceutical intermediates and advanced chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.580 - 1.600
Density (20°C)	1.30 - 1.35 g/mL

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