Description

9,10-Bis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester is a high-purity, organosilicon-modified fatty acid derivative, valued for its role as a versatile synthetic intermediate and protecting group reagent. Its primary commercial significance lies in enabling advanced organic synthesis, particularly in the production of complex lipids, pharmaceuticals, and specialty polymers. This compound is essential for R&D and manufacturing chemists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to introduce silyl-protected diol functionalities into long-chain molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules, particularly those requiring protected hydroxyl groups on fatty acid chains.
• Lipid Research & Synthesis: Used in the preparation of modified glycerides, phospholipids, and other specialized lipids for biochemical studies and product development.
• Polymer Science: Serves as a monomer or modifier in creating silicone-organic hybrid polymers with tailored surface properties and stability.
• Agrochemical Synthesis: Intermediate for producing advanced surfactants, adjuvants, and active ingredients with enhanced penetration or environmental stability.
• Protecting Group Reagent: Utilized in multi-step organic synthesis to temporarily protect 9,10-dihydroxy stearate derivatives, enabling selective reactions at other sites.
• Reference Standard: Employed as an analytical standard in chromatography (GC, HPLC) for quality control and method development in related chemical processes.

Basic Information

Product Name	9,10-Bis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester
CAS No.	55429-57-7
Molecular Formula	C25H54O4Si2
Molecular Weight	474.88 g/mol
Synonyms	Methyl 9,10-Bis(trimethylsiloxy)octadecanoate; Methyl 9,10-Bis(trimethylsilyloxy)stearate; 9,10-Bis(trimethylsiloxy)stearic Acid Methyl Ester; Octadecanoic acid, 9,10-bis[(trimethylsilyl)oxy]-, methyl ester; 9,10-Di-O-trimethylsilyl methyl stearate; TMS-protected methyl dihydroxystearate
EINECS	Contact for details

Quality Control

Our 9,10-Bis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopy (NMR, IR), to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can compromise product stability. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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