Description

9-Phenanthrenyltriethoxysilane is a specialized organosilicon coupling agent featuring a phenanthrene aromatic system. This compound is engineered to provide superior surface modification and adhesion promotion in advanced material formulations. It is essential for manufacturers in the electronics, specialty polymers, and high-performance coatings industries seeking to enhance the compatibility and performance of inorganic-organic interfaces.

Application

• Surface Modification Agent for silica, glass fibers, and other inorganic fillers to improve dispersion and bonding in polymer composites.
• Adhesion Promoter in high-temperature resistant coatings, sealants, and adhesives for demanding industrial applications.
• Precursor for Functional Materials in the synthesis of advanced siloxane polymers and hybrid organic-inorganic materials (ORMOSILs).
• Interfacial Agent in electronic encapsulants and underfill materials to enhance reliability and moisture resistance.
• Research & Development chemical for developing novel sensor materials, chromatographic stationary phases, and photonic devices.

Basic Information

Product Name	9-Phenanthrenyltriethoxysilane
CAS No.	21591-53-7
Molecular Formula	C20H26O3Si
Molecular Weight	342.51 g/mol
Synonyms	Triethoxy(9-phenanthryl)silane; 9-Phenanthryltriethoxysilane; (9-Phenanthrenyl)triethoxysilane; Phenanthrene-9-triethoxysilane; 9-(Triethoxysilyl)phenanthrene; Silane, triethoxy(9-phenanthrenyl)-; 9-Phenanthrenyltriethoxy silane
EINECS	Contact for details

Quality Control

Our 9-Phenanthrenyltriethoxysilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to ISO 9001 quality management standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under a dry inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent hydrolysis.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Refractive Index (n20D)	1.550 - 1.570
Density (g/mL, 20°C)	1.05 - 1.10

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