Description

3-Cyanopropyltrimethylsilane is a versatile organosilicon compound featuring a reactive cyano group. This bifunctional molecule is a critical intermediate for introducing silyl-protected, nitrile-functionalized chains into more complex chemical architectures. It is essential for manufacturers and R&D chemists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to modify surfaces or synthesize specialized silane coupling agents and polymers.

Application

• Silane Coupling Agent Precursor: Serves as a key intermediate for synthesizing specialized silane coupling agents used to improve adhesion between organic polymers and inorganic surfaces like glass, metals, or minerals.
• Surface Modification: Used to functionalize silica, nanoparticles, and other substrates with nitrile-terminated alkylsilane layers for further chemical reactions or to alter surface properties.
• Pharmaceutical Intermediates: The nitrile group can be transformed into various functional groups (e.g., acids, amides, tetrazoles), making it a valuable building block in active pharmaceutical ingredient (API) synthesis.
• Polymer & Resin Modification: Incorporated into silicone polymers or other resins to introduce polar nitrile functionality, influencing properties like solubility, thermal stability, and chemical resistance.
• Chromatography: Can be used as a derivatization agent or to prepare stationary phases for specialized chromatographic separations.
• Agrochemical Synthesis: Acts as an intermediate in the production of certain herbicides, fungicides, or plant growth regulators.
• Adhesive & Sealant Formulations: Imparts improved adhesion and compatibility in formulated products where interaction with fillers or substrates is critical.
• Research & Development: A valuable tool in organic and materials chemistry research for constructing novel molecules with tailored properties.

Basic Information

Product Name	3-Cyanopropyltrimethylsilane
CAS No.	18301-86-5
Molecular Formula	C7H15NSi
Molecular Weight	141.29 g/mol
Synonyms	Trimethyl(3-cyanopropyl)silane; (3-Cyanopropyl)trimethylsilane; γ-Cyanopropyltrimethylsilane; 3-Trimethylsilylpropionitrile; NSC 93766; (3-Cyano-propyl)-trimethyl-silane; 4-Trimethylsilylbutyronitrile; Silane, trimethyl(3-cyanopropyl)-
EINECS	242-202-3

Quality Control

Our 3-Cyanopropyltrimethylsilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency meet the highest standards. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.428 - 1.432
Density (20°C)	0.86 - 0.88 g/mL
Water Content (KF)	≤ 0.5%

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