Description

4-(Diethoxymethylsilyl)Butyronitrile is a versatile organosilicon compound featuring both a silyl ether and a nitrile functional group. This bifunctional nature makes it a valuable intermediate for introducing silicon-containing moieties into organic frameworks, enabling the synthesis of advanced materials with tailored properties. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring surface modification, adhesion promotion, or as a building block for silane coupling agents.

Application

• Silane Coupling Agent Precursor: Serves as a key intermediate in the synthesis of specialized silane coupling agents for enhancing the bond between organic polymers and inorganic surfaces like glass, metals, or minerals.
• Surface Modification Reagent: Used to functionalize silica, nanoparticles, and other fillers to improve dispersion and compatibility in composite materials.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) where the silyl group acts as a protecting group or the nitrile is further transformed into other functional groups like amines or carboxylic acids.
• Agrochemical Synthesis: Utilized as a building block for creating novel crop protection agents with specific activity profiles.
• Adhesive & Sealant Formulations: Acts as an additive or cross-linking agent to improve moisture resistance and adhesion properties in high-performance sealants and adhesives.
• Hybrid Material Development: A crucial monomer or cross-linker in sol-gel processes for creating organic-inorganic hybrid (OIH) materials with applications in coatings, optics, and electronics.

Basic Information

Product Name	4-(Diethoxymethylsilyl)Butyronitrile
CAS No.	1067-99-8
Molecular Formula	C9H19NO2Si
Molecular Weight	201.34 g/mol
Synonyms	4-(Diethoxymethylsilyl)butanenitrile; Butyronitrile, 4-(diethoxymethylsilyl)-; γ-Cyanoalkyltrialkoxysilane; (3-Cyanopropyl)methyldiethoxysilane; Methyldiethoxysilylbutyronitrile; MDES-BN; Silane, (3-cyanopropyl)methyldiethoxy-; 3-Cyanopropylmethyldiethoxysilane
EINECS	213-934-0

Quality Control

Our production of 4-(Diethoxymethylsilyl)Butyronitrile adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.420 - 1.425
Density (g/mL, 20°C)	0.92 - 0.96

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