Description

Dimethylpolysilane is a versatile organosilicon polymer characterized by a backbone of alternating silicon atoms and methyl groups. This compound is valued for its role as a key precursor in the synthesis of silicon carbide (SiC) ceramics and advanced silicon-based materials. It is essential for manufacturers and R&D facilities in the electronics, ceramics, and specialty materials sectors seeking high-performance intermediates.

Application

• Precursor for Silicon Carbide (SiC) Ceramics: Used in the production of high-temperature, high-strength SiC fibers and composites via pyrolysis.
• Advanced Material Synthesis: Serves as a starting material for creating silicon-based polymers, coatings, and thin films with tailored properties.
• Semiconductor & Electronics Industry: Utilized in the fabrication of dielectric layers, protective coatings, and as a dopant source in microelectronics.
• Ceramic Matrix Composites (CMCs): Acts as a binder or impregnation agent to enhance the density and mechanical properties of ceramic components.
• Research & Development: Employed in academic and industrial labs for developing novel silicon-containing polymers and nanomaterials.
• Protective Coatings: Can be processed to form thin, inert, and heat-resistant coatings on various substrates.

Basic Information

Product Name	Dimethylpolysilane
CAS No.	28883-63-8
Molecular Formula	(C2H6Si)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(dimethylsilylene); Polydimethylsilane; Dimethylpolysiloxane precursor; Methylpolysilane; Silicon-methyl polymer; Poly(methylsilylene); (Dimethylsilyl) polymer; Linear dimethylpolysilane
EINECS	Contact for details

Quality Control

Our Dimethylpolysilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including molecular weight distribution (GPC), silicon content analysis, and spectroscopic identification, to ensure consistency and performance for your specific application. A comprehensive Certificate of Analysis (COA) detailing purity, viscosity, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Silicon Content	> 35%
Viscosity (25°C)	50 - 500 mPa·s (Grade dependent)
Molecular Weight (Mw, GPC)	800 - 5000 g/mol (Grade dependent)
Volatile Matter	< 2.0%
Chloride (Cl)	< 100 ppm
Metals (ICP)	< 50 ppm

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