Description

Tris(Isopropylthio)Silane CAS NO 17891-55-3 is a specialized organosilicon compound featuring three isopropylthio groups bonded to a central silicon atom. This structure makes it a valuable reagent and intermediate in advanced material synthesis, particularly for introducing sulfur-containing functional groups. It is essential for researchers and manufacturers in the fine chemical, pharmaceutical, and material science sectors who require precise molecular building blocks for developing novel polymers, coatings, and ligands.

Application

• Silane Coupling Agent Precursor: Serves as a key intermediate for synthesizing novel silane coupling agents used to improve adhesion between organic polymers and inorganic surfaces in composites and coatings.
• Polymer Modification: Used to incorporate sulfur and silicon functionalities into polymer backbones, enhancing properties like thermal stability, refractive index, or metal-binding capacity.
• Pharmaceutical Intermediate: Acts as a building block in the synthesis of complex molecules for drug discovery and development, leveraging its unique reactivity.
• Surface Functionalization: Employed to modify the surface properties of nanoparticles, silica, or other materials to impart specific chemical reactivity or compatibility.
• Ligand Synthesis for Catalysis: Utilized in the preparation of specialized ligands for transition metal catalysts used in cross-coupling and other organic transformations.
• Research & Development: A critical reagent in academic and industrial R&D for exploring new organosilicon chemistry and material properties.

Basic Information

Product Name	Tris(Isopropylthio)Silane
CAS No.	17891-55-3
Molecular Formula	C9H22S3Si
Molecular Weight	246.55 g/mol
Synonyms	Tris(isopropylthio)silane; Tris(isopropylmercapto)silane; Silane, tris(1-methylethylthio)-; Tris(1-methylethylthio)silane; Tris(isopropylsulfanyl)silane; (Isopropylthio)silane trimer; Tris(2-propanethiolato)silicon
EINECS	Contact for details

Quality Control

Our Tris(Isopropylthio)Silane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay (GC/HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure high purity and consistency. Certificates of Analysis (COA) documenting all critical specifications are available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Purity (HPLC)	≥ 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.