Description

2,3,4,5-Tetrakis(Dimethyl)Cyclothiatetrasilane is a specialized organosilicon compound featuring a unique cyclotetrasilane ring system with sulfur and dimethyl substituents. This structural complexity makes it a valuable precursor and building block in advanced materials science and chemical synthesis. It is primarily utilized by R&D chemists and material scientists in the semiconductor, specialty polymer, and fine chemical industries for developing novel silicon-based materials with tailored electronic or mechanical properties.

Application

• Semiconductor Precursor: Serves as a high-purity silicon and sulfur source for chemical vapor deposition (CVD) or atomic layer deposition (ALD) processes in thin-film fabrication.
• Polymer & Material Science: Acts as a key monomer or cross-linking agent for synthesizing novel polysilathianes and silicon-containing hybrid polymers with unique thermal or optical properties.
• Organic Synthesis Intermediate: Used in the preparation of complex organosilicon compounds and ligands for catalysis, leveraging its reactive Si-S and Si-C bonds.
• Surface Modification: Employed to functionalize silicon or silica surfaces, altering their chemical reactivity, wettability, or adhesion characteristics.
• Lithography & Photoresists: Investigated for use in next-generation photoresist formulations for extreme ultraviolet (EUV) lithography in microchip manufacturing.
• Research & Development: A critical reagent in academic and industrial R&D for exploring new silicon-sulfur chemistry and its applications.

Basic Information

Product Name	2,3,4,5-Tetrakis(Dimethyl)Cyclothiatetrasilane
CAS No.	83272-65-5
Molecular Formula	C8H24S4Si4
Molecular Weight	344.78 g/mol
Synonyms	Octamethylcyclotetrasilathiane; 1,2,3,4-Tetrathia-5,6,7,8-tetrasilacyclooctane, 5,5,6,6,7,7,8,8-octamethyl-; Cyclotetrasilathiane, octamethyl-; Octamethyl-1,2,3,4-tetrathia-5,6,7,8-tetrasilacyclooctane; Tetrakis(dimethylsilyl) sulfide (cyclic tetramer); (Me2SiS)4; Octamethylcyclotetrasilthian
EINECS	Contact for details

Quality Control

Our 2,3,4,5-Tetrakis(Dimethyl)Cyclothiatetrasilane is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, GC-MS, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer or research requirements.

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). Due to its highly volatile and light-sensitive nature, prolonged exposure to air, light, or elevated temperatures should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid/crystals
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Standard Grade)
Purity (NMR)	≥ 97.0% (High-Purity Grade)
Water Content (KF)	≤ 0.1%

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