Description

4-[(Dimethoxymethylsilyl)Oxy]-3-Methoxybenzaldehyde is a specialized organosilicon derivative of vanillin, designed to introduce silyl ether functionality for advanced material synthesis. This compound matters as a versatile bifunctional building block, combining the aldehyde group for condensation reactions with the hydrolyzable silyl group for surface modification and polymer cross-linking. It is primarily needed by R&D chemists and process engineers in the silicone polymer, adhesive, and advanced coating industries seeking to enhance material properties and adhesion.

Application

• Silicone Resin & Polymer Modification: Acts as a reactive monomer or cross-linking agent to incorporate aromatic aldehyde groups into silicone backbones, improving thermal stability and adhesion.
• Surface Primers & Adhesion Promoters: Used in formulations to treat glass, metal, or mineral surfaces, where the silyl group bonds to the substrate and the aldehyde group provides an anchor for subsequent polymer layers.
• Specialty Coating Additives: Serves as a precursor for UV-curable coatings or as a modifier to enhance the compatibility and performance of hybrid organic-inorganic coatings.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of more complex molecules where a protected phenolic aldehyde group is required.
• Chromatography Stationary Phases: Can be grafted onto silica gel to create specialized phases for separation science.
• Coupling Agent for Composite Materials: Improves the interface between organic polymers and inorganic fillers like silica or glass fibers.

Basic Information

Product Name	4-[(Dimethoxymethylsilyl)Oxy]-3-Methoxybenzaldehyde
CAS No.	83817-63-4
Molecular Formula	C11H16O5Si
Molecular Weight	256.33 g/mol
Synonyms	3-Methoxy-4-[(dimethoxymethylsilyl)oxy]benzaldehyde; Vanillin Dimethoxymethylsilyl Ether; (Dimethoxymethylsilyl) Vanillin Ether; 4-(Dimethoxymethylsilyloxy)-3-methoxybenzaldehyde; Benzaldehyde, 4-[(dimethoxymethylsilyl)oxy]-3-methoxy-; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 4-[(Dimethoxymethylsilyl)Oxy]-3-Methoxybenzaldehyde is produced and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation by moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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