Description

Methylcyclohexyldichlorosilane is a highly reactive organosilicon compound primarily used as a key intermediate in the synthesis of advanced silicone polymers and functional silanes. Its value lies in its ability to introduce the methylcyclohexyl group into siloxane backbones, imparting unique properties such as enhanced hydrophobicity, thermal stability, and modified rheology to the final materials. This chemical is essential for manufacturers in the silicone elastomer, resin, and specialty coatings industries seeking to develop high-performance materials with tailored characteristics.

Application

• Silicone Intermediate: A crucial building block for the synthesis of custom silicone oils, gums, and resins.
• Surface Modification: Used to create hydrophobic coatings on glass, silica, and other inorganic surfaces.
• Coupling Agent Precursor: Serves as a starting material for manufacturing silane coupling agents used in composite materials.
• Pharmaceutical & Agrochemistry Intermediates: Employed in the synthesis of active ingredients and protecting groups in complex organic syntheses.
• Adhesive & Sealant Formulations: Imparts specific adhesion and flexibility properties to high-performance silicone-based adhesives.
• Release Coatings: A component in formulations for paper and film release liners.

Basic Information

Product Name	Methylcyclohexyldichlorosilane
CAS No.	5578-42-7
Molecular Formula	C7H14Cl2Si
Molecular Weight	197.18 g/mol
Synonyms	Dichloro(methylcyclohexyl)silane; Methylcyclohexylsilyl dichloride; (Methylcyclohexyl)dichlorosilane; Dichloromethylcyclohexylsilane; Methylcyclohexyl dichlorosilane; Silane, dichloro(methylcyclohexyl)-; MCHS-DC; Contact for additional trade names.
EINECS	226-959-7

Quality Control

Our Methylcyclohexyldichlorosilane 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 Certificate of Analysis (COA) detailing specific results for purity, identity, and key impurities is provided with every shipment. We adhere to relevant industry standards and can support customer-specific qualification requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts violently with water, strong acids, and bases. Containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity. 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)	≤ 0.1%
Density (at 20°C)	1.10 - 1.15 g/mL
Refractive Index (n20D)	1.470 - 1.480

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