Description

Silane, [(1-Butyloctyl)Oxy]Trimethyl- is a specialized organosilicon compound, specifically a branched alkyloxy silane. This chemical is valued for its ability to act as a versatile coupling agent and surface modifier, enhancing the compatibility between organic polymers and inorganic materials. It is primarily sought by manufacturers in the plastics, coatings, and advanced materials industries for applications requiring improved adhesion, dispersion, and hydrophobic properties.

Application

• As a coupling agent in mineral-filled polymer composites (e.g., polyolefins, engineering plastics) to improve mechanical properties and filler dispersion.
• As a surface treatment agent for pigments, silica, and other inorganic fillers to enhance hydrophobicity and compatibility with organic matrices.
• In the formulation of adhesives and sealants to promote adhesion to difficult substrates like metals, glass, and minerals.
• As a key intermediate or additive in the synthesis of specialty silicones and modified siloxane polymers.
• For water repellency treatments in construction materials, textiles, and paper.
• In the production of release coatings and mold-making materials.
• As a crosslinking agent or modifier in silicone rubber and RTV (Room Temperature Vulcanizing) formulations.

Basic Information

Product Name	Silane, [(1-Butyloctyl)Oxy]Trimethyl-
CAS No.	39789-29-2
Molecular Formula	C15H34OSi
Molecular Weight	258.52 g/mol
Synonyms	Trimethoxy(1-butyloctyloxy)silane; (1-Butyloctyloxy)trimethoxysilane; Trimethoxy(1-butyloctyloxy)silane; [(1-Butyloctyl)oxy]trimethoxysilane; Silane, trimethoxy[(1-butyloctyl)oxy]-; 1-Butyloctyloxytrimethoxysilane; (1-Butyloctyloxy)trimethoxy silane
EINECS	Contact for details

Quality Control

Our production of Silane, [(1-Butyloctyl)Oxy]Trimethyl- adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including assay by GC (Gas Chromatography) and verification of key physical properties. Certificates of Analysis (COA) documenting purity and specifications are provided with every shipment to support your quality assurance processes.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.88 - 0.92 g/mL
Refractive Index (n20D)	1.420 - 1.430

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