Description

Ethanedioicacid,Bis(Trimethylsilyl) Ester is a high-purity organosilicon reagent, a silylated derivative of oxalic acid. This compound is valued for its role as a versatile protecting agent and derivatization reagent in sophisticated organic synthesis. It is primarily needed by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and advanced materials sectors for processes requiring precise molecular modification.

Application

• Pharmaceutical Intermediate Synthesis: Used as a protecting group for diols and carboxylic acids during multi-step synthesis of active pharmaceutical ingredients (APIs).
• Gas Chromatography (GC) Derivatization: Employed to silylate polar compounds like organic acids, enhancing their volatility and thermal stability for accurate GC analysis.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the development of specialized silicone-based polymers and coatings.
• Agrochemical Production: Utilized in the synthesis of complex pesticide and herbicide molecules where selective protection of functional groups is required.
• Laboratory Reagent: Acts as a key reagent in research-scale organic transformations, including trans-silylation reactions.
• Electronic Chemicals: Potential use in the formulation of precursors for chemical vapor deposition (CVD) in semiconductor manufacturing.

Basic Information

Product Name	Ethanedioicacid,Bis(Trimethylsilyl) Ester
CAS No.	18294-04-7
Molecular Formula	C8H18O4Si2
Molecular Weight	234.40 g/mol
Synonyms	Bis(trimethylsilyl) oxalate; Oxalic acid bis(trimethylsilyl) ester; Trimethylsilyl oxalate; Di(trimethylsilyl) oxalate; TMS oxalate; Oxalic acid di-TMS ester; Silylating agent TMS-Ox; 18294-04-7
EINECS	Contact for details

Quality Control

Our Ethanedioicacid,Bis(Trimethylsilyl) Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) with detailed specifications are provided to guarantee compliance with your research and production requirements.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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