Description

11,15-Dithiapentacosane is a high-purity, long-chain organic sulfur compound with the CAS number 18365-74-7. This specialty chemical is valued for its unique molecular structure, which makes it an effective intermediate and functional additive in advanced material synthesis. It is primarily sought by research institutions and industrial manufacturers in the fine chemicals, polymer science, and lubricant additive sectors. Our supply ensures consistent quality and reliable availability for your critical development and production needs.

Application

• As a key intermediate in the synthesis of complex macrocyclic ligands and crown ether analogs.
• Utilized in advanced polymer research for creating sulfur-containing polymers with specific thermal and mechanical properties.
• Acts as a functional additive in specialty lubricant formulations to enhance extreme pressure performance.
• Employed in surface chemistry studies and the development of self-assembled monolayers (SAMs).
• Serves as a building block in organic synthesis for pharmaceuticals and agrochemical research.
• Used in material science for the development of novel organic semiconductors and electronic materials.

Basic Information

Product Name	11,15-Dithiapentacosane
CAS No.	18365-74-7
Molecular Formula	C23H48S2
Molecular Weight	388.75 g/mol
Synonyms	1,11-Bis(ethylthio)undecane; 1,11-Diethylthiohendecane; Pentacosane, 11,15-dithia-; 11,15-Dithiapentacosane; 1,11-Di(ethylthio)undecane; Diethylthiohendecane; 1,11-Undecanedithiol, diethyl dithioacetal; 1,11-Bis(ethylmercapto)undecane
EINECS	Contact for details

Quality Control

Our 11,15-Dithiapentacosane is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopic methods, to ensure high purity and identity. A detailed Certificate of Analysis (COA) documenting purity, physical characteristics, and test results is provided with each shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	Contact for details
Density (g/mL, 20°C)	Contact for details

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