Description

Triisopropoxysilane is a versatile organosilicon compound widely used as a key intermediate and coupling agent in advanced material synthesis. Its primary value lies in its ability to introduce silicon-based functionality and improve adhesion between organic polymers and inorganic substrates. This makes it an essential material for manufacturers in the silicone resins, coatings, adhesives, and electronics sectors seeking to enhance product performance and durability.

Application

• Silicone Resin & Polymer Precursor: A fundamental building block for synthesizing specialized silicone polymers and cross-linked siloxane networks.
• Surface Modification & Coupling Agent: Improves adhesion and compatibility between organic coatings, adhesives, or composites and inorganic surfaces like glass, metals, or minerals.
• Hydrophobic Coatings: Used to create water-repellent and protective surface treatments for construction materials, textiles, and electronic components.
• Electronics & Semiconductor Industry: Serves as a dielectric material precursor or a passivation layer agent in microelectronics fabrication.
• Synthesis Intermediate: Employed in organic and organometallic synthesis to introduce the triisopropoxysilyl group into more complex molecules.
• Reinforced Composites: Enhances the interfacial bonding and dispersion of fillers (e.g., silica, glass fibers) within plastic or rubber matrices.

Basic Information

Product Name	Triisopropoxysilane
CAS No.	6675-79-2
Molecular Formula	C9H24O3Si
Molecular Weight	208.37 g/mol
Synonyms	Triisopropyloxysilane; Silane, triisopropoxy-; Tri-iso-propoxysilane; Isopropyl Silicate (partial); Tris(isopropoxy)silane; Triisopropoxy(iso)silane; Triisopropyl orthosilicate (common name); SIP6830.0 (potential commercial code)
EINECS	229-722-6

Quality Control

Our Triisopropoxysilane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by GC or titration and impurity profiling. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee compliance with your technical requirements.

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, the container must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	0.88 - 0.92 g/cm³
Refractive Index (n20D)	1.380 - 1.390
Water Content (Karl Fischer)	≤ 0.5%

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