Description

Methylphenyldiallylsilane is a specialized organosilicon compound featuring both phenyl and diallyl functional groups attached to a silicon atom. This unique structure makes it a valuable intermediate for synthesizing advanced silicone polymers and hybrid organic-inorganic materials. It is particularly sought after by manufacturers in the high-performance materials and specialty chemical sectors for applications requiring tailored thermal stability, cross-linking capability, and specific surface properties.

Application

• Silicone Polymer Synthesis: A key monomer or cross-linking agent for producing modified silicone resins, elastomers, and rubbers with enhanced properties.
• Hybrid Material Precursor: Used in sol-gel processes to create organically modified silicates (ORMOSILs) for advanced coatings and composites.
• Adhesive & Sealant Formulations: Imparts improved adhesion, flexibility, and durability in high-performance industrial adhesives and sealants.
• Surface Modification Agent: Functionalizes inorganic surfaces like silica or metals to alter hydrophobicity, compatibility, or reactivity.
• Pharmaceutical & Agro-Intermediate: Serves as a building block in the synthesis of more complex molecules for pharmaceutical and agricultural applications.
• Research & Development: Employed in academic and industrial R&D for exploring new organosilicon chemistry and material science applications.

Basic Information

Product Name	Methylphenyldiallylsilane
CAS No.	2633-60-5
Molecular Formula	C13H18Si
Molecular Weight	202.37 g/mol
Synonyms	Diallylmethylphenylsilane; Methyl(phenyl)diallylsilane; Silane, diallylmethylphenyl-; Phenylmethyldiallylsilane; (Diallyl)(methyl)phenylsilane; 1,1-Diallyl-1-methyl-1-silaindane (related structure); MDAS (abbreviation)
EINECS	220-124-5

Quality Control

Our Methylphenyldiallylsilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure high purity and consistent chemical identity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.520 - 1.530
Density (20°C)	0.90 - 0.95 g/mL

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