Description

1-Naphthyltrimethoxysilane is a specialized organosilicon coupling agent featuring a naphthyl aromatic group. This compound is critical for enhancing the adhesion and compatibility between organic polymers and inorganic substrates, such as glass, metals, and minerals. It is primarily utilized by manufacturers in the advanced materials, coatings, and electronics industries seeking to improve the performance and durability of their composite products.

Application

• As a key coupling agent in fiberglass-reinforced plastics and composite materials.
• Surface modification of inorganic fillers (e.g., silica, glass beads) to improve dispersion in polymer matrices.
• Primer or adhesion promoter in high-performance coatings, sealants, and adhesives for metal and glass.
• Intermediate in the synthesis of more complex silane-based specialty chemicals and functional materials.
• Enhancing the water repellency and durability of stone and concrete treatments.
• Potential use in the formulation of electronic encapsulants and dielectric materials.

Basic Information

Product Name	1-Naphthyltrimethoxysilane
CAS No.	18052-76-1
Molecular Formula	C13H16O3Si
Molecular Weight	248.35 g/mol
Synonyms	Naphthalen-1-yltrimethoxysilane; (1-Naphthyl)trimethoxysilane; 1-Naphthalenetrimethoxysilane; Trimethoxy(1-naphthyl)silane; α-Naphthyltrimethoxysilane; Silane, trimethoxy-1-naphthalenyl-; NSC 163144
EINECS	Contact for details

Quality Control

Our 1-Naphthyltrimethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and functional group verification, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with every shipment to guarantee batch-to-batch consistency and reliability for your formulations.

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 to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.535 - 1.545
Density (g/mL, 20°C)	1.10 - 1.15

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