Description

2-(Trimethylsiloxy)Pentacosanoic Acid Methyl Ester is a high-purity, synthetically derived organosilicon ester of a long-chain fatty acid. This specialty chemical serves as a versatile intermediate and functional additive, offering unique properties derived from its trimethylsiloxy group and extended hydrocarbon chain. It is primarily utilized in advanced material science, pharmaceutical research, and the formulation of high-performance lubricants and coatings where specific surface modification and compatibility are required.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly where lipophilicity and controlled release are desired.
• Lubricant & Grease Additive: Acts as a friction modifier and viscosity index improver in specialty synthetic lubricants for high-temperature applications.
• Surface Modification Agent: Imparts hydrophobic and oleophobic properties to surfaces in coatings, textiles, and composite materials.
• Polymer & Resin Plasticizer: Enhances flexibility and processability of polymers, including silicones and specialty resins.
• Cosmetic & Personal Care Ingredient: Employed as an emollient and skin-conditioning agent in high-end formulations.
• Chemical Synthesis Building Block: Serves as a protected or functionalized intermediate in organic synthesis for research and development.
• Analytical Reference Standard: Used as a certified reference material in chromatographic analysis for quality control laboratories.

Basic Information

Product Name	2-(Trimethylsiloxy)Pentacosanoic Acid Methyl Ester
CAS No.	56784-05-5
Molecular Formula	C29H60O3Si
Molecular Weight	484.87 g/mol
Synonyms	Methyl 2-(Trimethylsiloxy)pentacosanoate; Pentacosanoic acid, 2-(trimethylsiloxy)-, methyl ester; 2-(Trimethylsilyloxy)pentacosanoic acid methyl ester; Methyl 2-trimethylsilyloxypentacosanoate; TMS-protected methyl pentacosanoate; 2-Hydroxypentacosanoic acid methyl ester trimethylsilyl ether; Silylated C25 fatty acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-(Trimethylsiloxy)Pentacosanoic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee compliance with your research or production requirements.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture absorption. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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