Description

Methyl 3-(Dimethoxymethylsilyl)Isobutyrate is a specialized organosilicon ester compound that serves as a versatile building block and coupling agent in advanced material synthesis. Its unique molecular structure, featuring both a silyl ether and a methacrylate-like ester group, enables it to act as a critical intermediate for introducing silicon-containing functionalities into polymer backbones and surfaces. This product is essential for manufacturers and R&D chemists in the silicone, coatings, and adhesive industries seeking to enhance material properties such as adhesion, cross-linking density, and weather resistance. Its role is pivotal in developing high-performance, tailored materials for demanding applications.

Application

• Silicone Hybrid Polymers: A key monomer for synthesizing novel silicone-acrylate copolymers and resins with improved flexibility and durability.
• Surface Modification & Coupling Agent: Used to functionalize inorganic surfaces (e.g., glass, silica, metals) to improve the adhesion of organic coatings and composites.
• Cross-linking Agent: Employed in the formulation of moisture-curable sealants, adhesives, and coatings, where it contributes to network formation.
• Release Coatings: Acts as a precursor in the production of silicone-based release liners for labels and tapes.
• Specialty Intermediates: Serves as a starting material for the synthesis of more complex organosilicon compounds used in electronics and pharmaceuticals.
• Adhesion Promoters: Incorporated into primers and tie-layers to enhance bonding between dissimilar materials.

Basic Information

Product Name	Methyl 3-(Dimethoxymethylsilyl)Isobutyrate
CAS No.	84962-95-8
Molecular Formula	C9H20O4Si
Molecular Weight	220.34 g/mol
Synonyms	Methyl 3-[(dimethoxy)(methyl)silyl]-2-methylpropanoate; 2-Methylpropanoic acid, 3-[(dimethoxy)(methyl)silyl]-, methyl ester; Methyl 3-(dimethoxymethylsilyl)-2-methylpropionate; (Dimethoxymethylsilyl)methyl isobutyrate; Isobutyric acid, 3-(dimethoxymethylsilyl)-, methyl ester; Sila-ester intermediate; MDMS-Isobutyrate
EINECS	Contact for details

Quality Control

Our production of Methyl 3-(Dimethoxymethylsilyl)Isobutyrate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including chromatography and spectroscopy, to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) detailing all relevant specifications 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 area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent degradation by atmospheric moisture. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.410 - 1.420
Density (20°C)	0.95 - 1.00 g/mL
Water Content (KF)	≤ 0.5%

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