Description

Ethylmethyl(1-Naphtyl)Silane is a specialized organosilicon compound with the CAS registry number 74685-82-8. This chemical serves as a valuable intermediate and building block in advanced material synthesis, offering unique steric and electronic properties derived from its naphthyl substituent. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly where the naphthyl group imparts specific biological activity or modulates pharmacokinetics.
• Agrochemical Synthesis: Acts as a key precursor in creating advanced pesticides, herbicides, and fungicides with enhanced efficacy and environmental profiles.
• Material Science & Polymer Chemistry: Employed as a monomer or functionalization agent in the development of specialty silicones, advanced polymers, and liquid crystal materials.
• Surface Modification & Coupling Agent: Utilized to modify inorganic surfaces (e.g., silica, metals) to improve adhesion, dispersion, or compatibility in composite materials and coatings.
• Catalyst Ligand Precursor: Serves as a starting material for synthesizing sophisticated ligands used in homogeneous catalysis for fine chemical production.
• Organic Electronic Materials: Investigated for use in the development of organic light-emitting diodes (OLEDs) and other electronic devices due to its conjugated naphthyl system.

Basic Information

Product Name	Ethylmethyl(1-Naphtyl)Silane
CAS No.	74685-82-8
Molecular Formula	C₁₃H₁₆Si
Molecular Weight	200.35 g/mol
Synonyms	1-Naphthylethylmethylsilane; (1-Naphthyl)ethylmethylsilane; Ethyl(methyl)(1-naphthalenyl)silane; Silane, ethylmethyl-1-naphthalenyl-; Ethyl-methyl-naphthalen-1-yl-silane; Naphthalen-1-yl-ethyl-methyl-silane; EMNS
EINECS	Contact for details

Quality Control

Every batch of Ethylmethyl(1-Naphtyl)Silane is produced and tested under strict quality management protocols to ensure consistency and purity for demanding synthetic applications. Our standard grade typically meets a purity specification of ≥97% (by GC or HPLC), with detailed impurity profiling available. A comprehensive Certificate of Analysis (COA) documenting identity, purity, and relevant physical properties is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and should be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place at 15-25°C. Keep the container tightly sealed when not in use to prevent degradation from atmospheric moisture and oxygen.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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