Description

Trimethoxy(4-Methylpentyl)Silane is a specialized organosilicon compound used as a key coupling agent and surface modifier. Its molecular structure allows it to form strong bonds between inorganic materials and organic polymers, significantly enhancing composite material performance. This product is essential for manufacturers in the coatings, adhesives, and advanced materials sectors seeking to improve adhesion, durability, and water resistance.

Application

• As a silane coupling agent in mineral-filled composites (e.g., glass, silica, clay) to improve filler dispersion and mechanical properties.
• A key intermediate for the synthesis of specialty silicone resins and modified siloxanes used in high-performance coatings.
• Surface treatment agent for pigments and nanoparticles to enhance compatibility and stability in polymer matrices.
• Primer or adhesion promoter in sealant, adhesive, and rubber formulations for bonding to glass, metal, or mineral surfaces.
• Hydrophobic modifier for construction materials, providing water repellency to concrete, stone, and masonry.
• Crosslinking agent or co-monomer in the production of silicone-based hybrid polymers.

Basic Information

Product Name	Trimethoxy(4-Methylpentyl)Silane
CAS No.	93804-25-2
Molecular Formula	C9H22O3Si
Molecular Weight	206.36 g/mol
Synonyms	4-Methylpentyltrimethoxysilane; (4-Methylpentyl)trimethoxysilane; Trimethoxy(4-methylpentyl)silane; Isohexyltrimethoxysilane; Silane, trimethoxy(4-methylpentyl)-; Isoamylcarbinyltrimethoxysilane
EINECS	Contact for details

Quality Control

Our Trimethoxy(4-Methylpentyl)Silane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) for purity and identity confirmation (IR, NMR), to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (20°C)	0.88 - 0.92 g/mL
Refractive Index (n20/D)	1.405 - 1.415

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