Description

Cyclopentyldiethoxymethylsilane is a specialized organosilicon compound used as a key building block in advanced material synthesis. Its value lies in its unique molecular structure, which combines a cyclopentyl group with alkoxysilane functionality, enabling precise surface modification and polymer cross-linking. This product is essential for R&D and production teams in the pharmaceutical, electronics, and specialty polymer industries seeking to develop novel silicone-based materials with tailored properties.

Application

• Surface Modification Agent: Used to functionalize silica, glass, and metal oxide surfaces, altering their hydrophobicity and reactivity for coatings and composites.
• Pharmaceutical Intermediate: Serves as a protected silane reagent in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer & Resin Cross-linker: Acts as a coupling agent and cross-linking component in silicone resins, adhesives, and elastomers to enhance thermal and mechanical stability.
• Electronics Material Precursor: Employed in the deposition of silicon-containing thin films for semiconductors and optical devices via chemical vapor deposition (CVD) or sol-gel processes.
• Hydrophobic Coating Formulation: A key ingredient in creating water-repellent and anti-corrosion coatings for textiles, construction materials, and automotive parts.
• Organic Synthesis Reagent: Utilized as a versatile silylating agent to introduce the cyclopentyldimethylsilyl protecting group in complex multi-step organic syntheses.

Basic Information

Product Name	Cyclopentyldiethoxymethylsilane
CAS No.	1352124-10-7
Molecular Formula	C10H22O2Si
Molecular Weight	202.37 g/mol
Synonyms	Diethoxy(cyclopentyl)methylsilane; Cyclopentylmethyldiethoxysilane; (Cyclopentylmethyl)diethoxysilane; Diethoxy(methyl)(cyclopentyl)silane; Methylcyclopentyldiethoxysilane; Silane, diethoxy(cyclopentyl)methyl-; CPMS (abbreviation); Cyclopentyldimethoxysilane analog
EINECS	Contact for details

Quality Control

Our Cyclopentyldiethoxymethylsilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, 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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	0.90 - 0.95 g/mL
Refractive Index (n20/D)	1.420 - 1.430

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