Description

Dichlorodimethylsilane is a highly reactive organosilicon compound and a key monomer in silicone chemistry. Its primary value lies in its role as a versatile building block for creating siloxane polymers and functional silanes, essential for a wide range of industrial materials. This product is critically needed by manufacturers in the silicone, pharmaceutical, and electronics industries for applications ranging from surface modification to the synthesis of specialized intermediates.

Application

• Silicone Polymer Synthesis: A fundamental monomer for producing polydimethylsiloxanes (PDMS), which are used in sealants, lubricants, and elastomers.
• Surface Hydrophobization: Used to treat glass, silica, and other mineral surfaces to impart water-repellent properties.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of various silicon-containing active pharmaceutical ingredients (APIs) and protecting agents.
• Semiconductor & Electronics Manufacturing: Employed in chemical vapor deposition (CVD) processes to deposit silicon-based thin films and as a silylating agent.
• Adhesive & Coating Modifiers: Incorporated to enhance adhesion, cross-linking, and performance characteristics in specialty formulations.
• Laboratory Reagent: Utilized as a versatile reagent in organic synthesis for introducing the dimethylsilyl group.

Basic Information

Product Name	Dichlorodimethylsilane
CAS No.	75-78-5
Molecular Formula	C2H6Cl2Si
Molecular Weight	129.06 g/mol
Synonyms	Dimethyldichlorosilane; Dichlorodimethylsilicon; Dimethylsilicon dichloride; DMDCS; DMDClS; Silane, dichlorodimethyl-; Dichloro(methyl)silane (IUPAC alternative); DCMS
EINECS	200-901-0

Quality Control

Our Dichlorodimethylsilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets precise industry specifications. Certificates of Analysis (COA) detailing all quality parameters are provided with every shipment to guarantee supply reliability and product consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity. Recommended storage temperature is 2-8°C for extended shelf life.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.07 g/cm³
Boiling Point	70°C
Chloride Content	Contact for details

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