English | 中文 | Español

Benzene,-

CAS No.:775-56-4
Product Grade: Industrial Grade
Purity / Assay: ≥98.0%
Molecular Formula:C₁₁H₁₈O₂Si
Molecular Weight:210.34 g/mol
Synonym(s):Methylphenyldiethoxysilane; Silane, diethoxymethylphenyl-; benzene

Benzene,- (CAS: 775-56-4), chemically methylphenyldiethoxysilane, is a difunctional organosilane combining two hydrolyzable ethoxy groups with methyl and phenyl substituents on silicon. Upon moisture exposure, the ethoxy groups hydrolyze and condense to form siloxane networks, while the phenyl group imparts thermal stability, UV resistance, and compatibility with aromatic systems. This clear liquid is widely used as a co-monomer and end-capper in silicone resin and polysiloxane synthesis, tuning hardness, flexibility, and refractive index of the final polymer. It also serves as a surface modifier for fillers and substrates in coatings and composites, improving adhesion and hydrophobicity. With its balanced functionality and processability, methylphenyldiethoxysilane is a versatile building block for high-performance silicones in electronics, coatings, and specialty materials.

– Silicone Resin Synthesis: Used as a co-monomer to introduce phenyl functionality, enhancing thermal stability and optical properties of silicone resins and coatings.
– Polymer End-Capping: Serves as a chain terminator controlling molecular weight and cross-link density in polysiloxane production.
– Surface Modification: Applied to treat fillers and mineral surfaces, improving hydrophobicity and adhesion in composites and sealants.
– Electronic Encapsulation: Incorporated into potting compounds and encapsulants requiring heat resistance and dielectric performance.

25kg/drum, 180kg/drum, IBC Drum
CAS No.: 775-56-4

Product Name: Benzene,-

Purity / Assay:≥98.0%
Molecular Formula:C₁₁H₁₈O₂Si
Molecular Weight:210.34 g/mol
EINECS No.:212-275-6
Synonym(s):Methylphenyldiethoxysilane; Silane, diethoxymethylphenyl-; benzene

For global customers, we provide complete technical documentation to support product evaluation, regulatory compliance and safe handling during transportation and application.

REQUEST A QUOTE

Product Inquiry — Popup Form