Description

1-(Triethoxysilyl)-2-Pentene is a specialized organosilicon compound featuring a reactive pentene group and hydrolyzable ethoxysilyl functionality. This dual reactivity makes it a valuable coupling agent and intermediate for modifying surfaces and polymers. It is primarily used by manufacturers in the adhesives, sealants, and advanced materials sectors seeking to enhance bonding, cross-linking, and material compatibility.

Application

• Cross-linking Agent: Used in silicone rubber and polymer formulations to improve mechanical properties and thermal stability.
• Adhesion Promoter: Enhances the bonding of organic polymers to inorganic substrates like glass, metals, and minerals in coatings and composites.
• Surface Modification: Imparts hydrophobic or specific functional properties to fillers, nanoparticles, and pigments.
• Intermediate for Specialty Chemicals: Serves as a key building block in the synthesis of more complex silane coupling agents and functional materials.
• Moisture-Curing Systems: Utilized in sealant and adhesive formulations that cure upon exposure to atmospheric moisture.

Basic Information

Product Name	1-(Triethoxysilyl)-2-Pentene
CAS No.	698999-32-5
Molecular Formula	C11H24O3Si
Molecular Weight	232.40 g/mol
Synonyms	2-Penten-1-yltriethoxysilane; (2-Penten-1-yl)triethoxysilane; 1-Triethoxysilyl-2-pentene; Triethoxy(2-penten-1-yl)silane; Vinyl-functional silane; Unsaturated organosilane; Silane coupling agent; Predomina (Trade Name)
EINECS	Contact for details

Quality Control

Our production of 1-(Triethoxysilyl)-2-Pentene adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay and impurity profiling, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting key specifications are available upon request 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.

Specification

Item	Specification
Appearance	Clear, 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 (n20/D)	1.410 - 1.420

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