Description

Methyltris[(3-Phenylallyl)Oxy]Silane CAS NO 83817-70-3 is a specialized organosilicon compound featuring a unique silane core with three cinnamyloxy-derived substituents. This structure makes it a valuable crosslinking agent and adhesion promoter in advanced polymer systems, particularly where enhanced compatibility with organic matrices is required. It is primarily utilized by formulators and manufacturers in the silicone, coatings, and adhesive industries seeking to improve material performance and durability.

Application

• Crosslinking Agent for Silicone Polymers: Used to enhance the thermal and mechanical properties of silicone elastomers and resins.
• Adhesion Promoter in Coatings: Improves the bonding of coatings, inks, and paints to difficult substrates like metals and plastics.
• Coupling Agent in Composite Materials: Acts as an interface modifier in fiber-reinforced plastics and mineral-filled composites to improve stress transfer.
• Surface Modification of Fillers: Employed to treat silica, glass, and other fillers to increase their hydrophobicity and compatibility with polymer matrices.
• Intermediate for Specialty Silanes: Serves as a key building block in the synthesis of more complex, functional organosilicon compounds.
• Sealant and Encapsulant Formulations: Contributes to the durability and environmental resistance of high-performance sealants and electronic encapsulants.

Basic Information

Product Name	Methyltris[(3-Phenylallyl)Oxy]Silane
CAS No.	83817-70-3
Molecular Formula	C31H34O3Si
Molecular Weight	482.69 g/mol
Synonyms	Methyltris(3-phenyl-2-propen-1-yloxy)silane; Methyltris(cinnamyloxy)silane; Tris(3-phenylallyloxy)methylsilane; (Methyl)tris[(3-phenyl-2-propenyl)oxy]silane; Silane, methyltris[(3-phenyl-2-propen-1-yl)oxy]-; Methyl tris(3-phenylallyloxy)silane; Cinnamyloxy-functional methylsilane; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of Methyltris[(3-Phenylallyl)Oxy]Silane adheres to strict internal quality standards to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to support your quality assurance protocols.

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 after initial use to minimize exposure to atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index (n20/D)	1.560 - 1.580
Density (g/mL, 20°C)	1.05 - 1.10

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