Description

Tributoxypropylsilane (CAS NO 17906-22-8) is a specialized organosilicon compound featuring a unique combination of a silane core and three butoxypropyl groups. This structure makes it a valuable coupling agent and surface modifier, bridging organic and inorganic materials to enhance adhesion, dispersion, and compatibility. It is essential for manufacturers in the coatings, adhesives, and advanced materials sectors seeking to improve product performance and durability.

Application

• As a coupling agent in mineral-filled composites (e.g., glass, silica) to improve mechanical strength and moisture resistance.
• As a surface treatment agent for pigments and fillers to enhance dispersion and stability in polymer matrices and coating formulations.
• As a key intermediate in the synthesis of specialty silicon-based polymers and resins for high-performance applications.
• As an adhesion promoter in sealants, adhesives, and primers, particularly for challenging substrates.
• In the formulation of release coatings and mold-making materials.
• For modifying surface properties of inorganic materials in electronics and nanotechnology applications.

Basic Information

Product Name	Tributoxypropylsilane
CAS No.	17906-22-8
Molecular Formula	C15H34O3Si
Molecular Weight	290.52 g/mol
Synonyms	3-(Tri-n-butoxysilyl)-1-propanol; 3-(Tributoxysilyl)-1-propanol; 1-Propanol, 3-(tributoxysilyl)-; Propyltributoxysilane; Tributoxy(3-hydroxypropyl)silane; Tributoxypropylsilanol; Silane, tributoxypropyl-; Tributoxy(3-hydroxypropyl)silane
EINECS	Contact for details

Quality Control

Our Tributoxypropylsilane is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise specifications and consistent performance for industrial applications. A Certificate of Analysis (COA) documenting key parameters 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). Keep away from heat, sparks, and open flames. The container should be kept tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.430
Density (g/mL, 20°C)	0.90 - 0.95

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