Description

1,5-Bis(2-Hydroxyethyl Thio)Pentane is a versatile sulfur-containing organic compound with a unique bifunctional structure. This chemical matters for its role as a key intermediate and functional additive in advanced material synthesis, offering valuable thioether and hydroxyl groups for chemical modification. Industrial buyers in the polymer, pharmaceutical, and specialty chemical sectors need it for developing products with enhanced properties, such as improved flexibility, adhesion, or specific reactivity.

Application

• Polymer Modification: Acts as a chain extender, cross-linking agent, or modifier in polyurethane, epoxy, and other specialty polymer systems to alter flexibility, thermal stability, or chemical resistance.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates that incorporate sulfur functionalities.
• Lubricant & Fuel Additive: Used as an anti-wear agent, extreme pressure additive, or stabilizer in advanced lubricant formulations and specialty fuels.
• Metal Chelation & Extraction: Employed in processes for metal ion chelation, recovery, or purification due to its sulfur donor atoms.
• Adhesive & Sealant Formulations: Functions as an adhesion promoter or rheology modifier in high-performance adhesive and sealant products.
• Chemical Synthesis Intermediate: A versatile precursor for synthesizing more complex molecules like crown ether analogs, ligands for catalysis, and other fine chemicals.

Basic Information

Product Name	1,5-Bis(2-Hydroxyethyl Thio)Pentane
CAS No.	5400-84-0
Molecular Formula	C9H20O2S2
Molecular Weight	224.38 g/mol
Synonyms	1,5-Bis(2-hydroxyethylthio)pentane; 2,2'-[1,5-Pentanediylbis(thio)]bisethanol; Pentamethylene bis(2-hydroxyethyl sulfide); Bis(2-hydroxyethylthio)pentane; 1,5-Pentanediol bis(2-thioethyl ether); Thiodiglycol derivative C9; Contact for additional trade names.
EINECS	226-458-5

Quality Control

Our 1,5-Bis(2-Hydroxyethyl Thio)Pentane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, water content, and impurity profile is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.520 - 1.530

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