Description

1,8-Octanedithiol is a high-purity, linear aliphatic dithiol compound, essential for introducing thiol functional groups into complex molecular architectures. Its bifunctional nature and defined carbon chain length make it a critical building block for synthesizing polymers, ligands, and surface modifiers with tailored properties. This product is primarily utilized by researchers and manufacturers in the polymer, materials science, and specialty chemical industries seeking to develop advanced functional materials.

Application

• Polymer Chemistry: Serves as a chain transfer agent (CTA) or cross-linking agent in radical polymerizations and as a monomer for synthesizing polythioethers and other specialty polymers.
• Materials Science: Used as a surface-modifying agent for nanoparticles (e.g., gold, quantum dots) and in the preparation of self-assembled monolayers (SAMs) on metal surfaces.
• Organic Synthesis: Acts as a versatile building block for synthesizing macrocyclic compounds, chelating ligands, and complex organic molecules requiring thiol functionalization.
• Adhesives and Sealants: Functions as a cross-linker and adhesion promoter in high-performance formulations, enhancing durability and chemical resistance.
• Lubricant Additives: Employed as an intermediate in the production of extreme pressure (EP) and anti-wear additives for advanced lubricants.

Basic Information

Product Name	1,8-Octanedithiol
CAS No.	1191-62-4
Molecular Formula	C8H18S2
Molecular Weight	178.36 g/mol
Synonyms	Octamethylene dithiol; 1,8-Dimercaptooctane; Octane-1,8-dithiol; 1,8-Bis(mercapto)octane; Octanedithiol; 1,8-Octanedithiol; Octamethylenedithiol; NSC 84149
EINECS	214-740-7

Quality Control

Our 1,8-Octanedithiol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from strong oxidizing agents and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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