Description

22-(Trimethylsiloxy)Docosanoic Acid Methyl Ester is a high-purity organosilicon-modified fatty acid ester, a specialty chemical designed for advanced material science applications. Its unique structure, featuring a long alkyl chain terminated with a trimethylsiloxy group, provides exceptional surface-modifying properties and compatibility with organic matrices. This compound is essential for formulators and researchers in the personal care, coatings, and polymer industries seeking to enhance product performance through sophisticated chemical modification.

Application

• As a key intermediate in the synthesis of advanced silicone polymers and copolymers.
• As a surface modifier and coupling agent in specialty coatings and inks to improve adhesion and wetting.
• As a conditioning agent and emollient in high-end personal care formulations, such as hair care and skincare products.
• As a lubricant additive or processing aid in the plastics and rubber industries.
• As a building block for lipid-conjugated drug delivery systems in pharmaceutical research.
• In the development of release coatings and anti-stick surfaces for industrial applications.

Basic Information

Product Name	22-(Trimethylsiloxy)Docosanoic Acid Methyl Ester
CAS No.	21987-15-5
Molecular Formula	C₂₆H₅₄O₃Si
Molecular Weight	458.80 g/mol
Synonyms	Methyl 22-(trimethylsiloxy)docosanoate; Docosanoic acid, 22-(trimethylsiloxy)-, methyl ester; Methyl 22-(trimethylsilyloxy)behenate; Silane, trimethyl[21-(methoxycarbonyl)henicosyloxy]-; 22-(Trimethylsilyloxy)docosanoic acid methyl ester
EINECS	Contact for details

Quality Control

Every batch of 22-(Trimethylsiloxy)Docosanoic Acid Methyl Ester is manufactured under a strict quality management system and undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our products are supported by comprehensive Certificates of Analysis (COA), which detail key parameters such as assay, identity confirmation, and impurity profiles. We are committed to meeting the exacting standards required for industrial and research applications, ensuring reliable supply and batch-to-batch reproducibility.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

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