Description

2-Butenoic Acid, 3-[(Trimethylsilyl)Oxy]-, Ethyl Ester is a specialized organosilicon compound that serves as a versatile synthetic intermediate. Its value lies in the dual functionality of the silyl-protected hydroxyl group and the ethyl ester, enabling precise chemical transformations under mild conditions. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical sectors who require advanced building blocks for complex molecule synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring stereoselective introduction of functional groups.
• Advanced Organic Synthesis: Used as a protected synthon in multi-step organic reactions, including aldol condensations and Michael additions, where the trimethylsilyl (TMS) group offers temporary protection.
• Agrochemical Research: Employed in the development of novel herbicides and fungicides, leveraging its reactivity to create complex molecular architectures.
• Material Science Precursor: Acts as a monomer or modifying agent in the development of specialty polymers and silicone-based hybrid materials.
• Flavor and Fragrance Chemistry: Utilized in the synthesis of high-value aroma chemicals and flavoring agents due to its ester functionality.

Basic Information

Product Name	2-Butenoic Acid, 3-[(Trimethylsilyl)Oxy]-, Ethyl Ester
CAS No.	13257-83-5
Molecular Formula	C9H18O3Si
Molecular Weight	202.32 g/mol
Synonyms	Ethyl 3-(Trimethylsilyloxy)-2-butenoate; Ethyl 3-(Trimethylsiloxy)crotonate; 3-(Trimethylsilyloxy)crotonic Acid Ethyl Ester; TMS-Crotonate Ethyl Ester; Ethyl β-(Trimethylsiloxy)crotonate; 2-Butenoic acid, 3-(trimethylsilyloxy)-, ethyl ester; Ethyl (E)-3-(trimethylsilyloxy)but-2-enoate; Crotonic acid, 3-(trimethylsiloxy)-, ethyl ester
EINECS	Contact for details

Quality Control

Our production of 2-Butenoic Acid, 3-[(Trimethylsilyl)Oxy]-, Ethyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial use. All materials are characterized by advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible materials such as oxidizing agents. Due to its sensitivity to moisture, containers should be kept tightly sealed and under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain optimal stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.