Description

1-Methylsiletane is a specialized organosilicon compound with the CAS number 765-33-3. This chemical serves as a valuable building block and intermediate in advanced material synthesis, prized for its unique silicon-containing heterocyclic structure. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel silicon-based materials and fine chemicals.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring silicon incorporation for enhanced metabolic stability or bioavailability.
• Agrochemical Synthesis: Serves as a key precursor in the development of new-generation pesticides, herbicides, and plant growth regulators with silicon-enhanced properties.
• Specialty Polymer & Material Science: Acts as a monomer or cross-linking agent in the production of advanced silicone polymers, resins, and hybrid organic-inorganic materials with tailored thermal and mechanical properties.
• Surface Modification & Coatings: Employed to functionalize surfaces or nanoparticles, imparting specific hydrophobic, oleophobic, or adhesion-promoting characteristics.
• Chemical Research & Development: A critical reagent in academic and industrial R&D for exploring new reactions in organosilicon chemistry and developing novel synthetic methodologies.
• Electronics & Semiconductor Precursors: Investigated as a potential precursor for chemical vapor deposition (CVD) or atomic layer deposition (ALD) processes to deposit silicon-containing thin films.

Basic Information

Product Name	1-Methylsiletane
CAS No.	765-33-3
Molecular Formula	C4H10Si
Molecular Weight	86.21 g/mol
Synonyms	1-Methylsilacyclopentane; Methylsiletane; Silacyclopentane, 1-methyl-; 1-Methyl-1-silacyclopentane; 1-Methylsilolane; Methylsilacyclopentane
EINECS	212-154-4

Quality Control

Our 1-Methylsiletane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and highly volatile nature, 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 to maximize stability and shelf life. Keep away from heat, sparks, and open flames.

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.