Description

1,1,1-Trimethoxy-3-Methylbutane is a specialized alkoxy silane derivative, also known as 3-Methylbutyltrimethoxysilane. This compound serves as a versatile chemical intermediate and coupling agent, valued for its ability to modify surfaces and enhance the compatibility between organic polymers and inorganic materials. It is primarily utilized in the production of advanced silicone resins, sealants, and as a surface treatment agent in the coatings, adhesives, and composites industries.

Application

• Silicone Resin & Sealant Manufacturing: Acts as a key cross-linking agent and monomer in the synthesis of high-performance silicone polymers.
• Surface Modification & Primers: Used to treat glass, mineral, and metal surfaces to improve adhesion of coatings, inks, and adhesives.
• Composite Materials: Functions as a coupling agent in fiberglass-reinforced plastics and mineral-filled composites to enhance mechanical properties.
• Adhesive & Sealant Formulations: Improves moisture resistance and bonding strength in construction and industrial sealants.
• Specialty Coatings: Incorporated into coatings to provide enhanced weatherability, corrosion resistance, and substrate wetting.
• Rubber & Elastomer Processing: Used as a processing aid and reinforcing agent in silicone and other specialty rubbers.

Basic Information

Product Name	1,1,1-Trimethoxy-3-Methylbutane
CAS No.	74252-65-6
Molecular Formula	C8H18O3Si
Molecular Weight	190.31 g/mol
Synonyms	3-Methylbutyltrimethoxysilane; Isoamyltrimethoxysilane; (3-Methylbutyl)trimethoxysilane; Trimethoxy(3-methylbutyl)silane; Silane, trimethoxy(3-methylbutyl)-; Isoamyltrimethoxysilane; 1,1,1-Trimethoxy-3-methylbutylsilane
EINECS	Contact for details

Quality Control

Our production of 1,1,1-Trimethoxy-3-Methylbutane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and quality assurance for your supply chain.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong acids, bases, and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The product is moisture-sensitive; keep containers tightly sealed to prevent hydrolysis.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	0.88 - 0.92 g/cm³
Refractive Index (n20/D)	1.395 - 1.405
Moisture (Karl Fischer)	≤ 0.5%

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