Description

4-(Diethylmethylsilyl)Butanoic Acid is a specialized organosilicon compound featuring a carboxylic acid functional group, making it a valuable bifunctional building block for advanced material synthesis. Its core value lies in its ability to act as a versatile linker or precursor, introducing both silyl-protecting groups and reactive acid sites into complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity intermediates for developing novel silicon-containing polymers, surface modifiers, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of silicon-based drug candidates and prodrugs, leveraging the silyl group for metabolic stability or targeted delivery.
• Polymer & Material Science: Used as a monomer or cross-linking agent for synthesizing specialty silicones, hybrid organic-inorganic polymers, and siloxane-based materials with tailored properties.
• Surface Modification & Coatings: Acts as a coupling agent or adhesion promoter for coatings, where the acid group bonds to metal oxides and the silyl group integrates with organic matrices.
• Agrochemical Synthesis: Employed in creating novel silicon-containing pesticides or herbicides, where the silicon moiety can enhance bioavailability or environmental persistence.
• Organic Synthesis Reagent: Functions as a protected or masked reagent in multi-step synthetic routes, particularly in peptide and natural product synthesis.
• Liquid Crystal & Electronic Materials: A potential precursor for side-chain polymers used in liquid crystal displays (LCDs) or as an insulating layer material in microelectronics.

Basic Information

Product Name	4-(Diethylmethylsilyl)Butanoic Acid
CAS No.	20160-34-3
Molecular Formula	C9H20O2Si
Molecular Weight	188.34 g/mol
Synonyms	4-(Diethylmethylsilyl)butyric acid; Butanoic acid, 4-(diethylmethylsilyl)-; Diethylmethylsilylbutanoic acid; 4-(Methyldiethylsilyl)butanoic acid; (3-Carboxypropyl)diethylmethylsilane; Diethyl(3-carboxypropyl)methylsilane; Sila-pentanoic acid, 4-diethylmethyl-; EINECS 243-590-7
EINECS	243-590-7

Quality Control

Our production of 4-(Diethylmethylsilyl)Butanoic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive applications. Each lot is characterized using advanced analytical techniques including NMR, GC, and HPLC to verify identity and quantify impurities. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We operate under a quality management system and can support compliance requirements for cGMP, ISO, and REACH as needed.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong oxidizers, bases, and sources of heat.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.440 - 1.450
Density (g/mL at 25°C)	0.90 - 0.95

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