Description

(Ethylthio)Trimethylsilane is a versatile organosilicon compound featuring a reactive ethylthio group attached to a trimethylsilyl moiety. This unique structure makes it a valuable silylating agent and synthetic intermediate for introducing sulfur-containing functional groups into target molecules. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for the synthesis of novel compounds and surface modifications.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing sulfur-based functional groups or as a protecting group in complex organic syntheses.
• Agrochemical Synthesis: Serves as a key building block in the production of herbicides, fungicides, and pesticides that require specific sulfur-silicon linkages.
• Surface Modification Agent: Employed to functionalize silica, glass, or metal oxide surfaces, altering their hydrophobicity, adhesion, or chemical reactivity for advanced material applications.
• Polymer & Resin Chemistry: Acts as a cross-linking agent or modifier in the production of specialty silicones and high-performance polymers to enhance thermal or chemical resistance.
• Chemical Research & Development: A crucial reagent in organic and organometallic chemistry labs for developing new synthetic methodologies and novel molecular architectures.

Basic Information

Product Name	(Ethylthio)Trimethylsilane
CAS No.	5573-62-6
Molecular Formula	C5H14SSi
Molecular Weight	134.32 g/mol
Synonyms	Trimethyl(ethylthio)silane; Ethylthiotrimethylsilane; (Ethylmercapto)trimethylsilane; Ethyl trimethylsilyl sulfide; Silane, (ethylthio)trimethyl-; NSC 163990; Ethylsulfanyl(trimethyl)silane; (Ethylsulfanyl)trimethylsilane
EINECS	226-966-5

Quality Control

Our (Ethylthio)Trimethylsilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistent performance. 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, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture and air exposure. Keep away from heat, sparks, and open flame.

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.