Description

3-Ethyl-3-Methylhenicosanoic Acid Methyl Ester is a high-purity, long-chain branched fatty acid ester with a defined molecular structure. This compound serves as a valuable intermediate and building block in advanced organic synthesis, offering precise control over molecular architecture. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring specific lipid properties or as a precursor for complex molecule construction.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and prodrugs, particularly those targeting lipid-based drug delivery systems.
• Agrochemical Synthesis: Serves as a key precursor for developing specialized surfactants, adjuvants, and active ingredients with tailored hydrophobic properties.
• Lubricant & Grease Additive: Acts as a synthetic base stock or performance additive to enhance viscosity index, low-temperature fluidity, and oxidative stability in high-end lubricants.
• Polymer & Resin Modifier: Employed as a comonomer or plasticizer to impart flexibility, low-temperature performance, and specific solubility characteristics to polymers.
• Cosmetic & Personal Care Ingredient: Functions as an emollient, texture enhancer, or carrier oil in high-performance skincare formulations.
• Chemical Research (R&D): A crucial standard and building block for academic and industrial research in lipid chemistry, supramolecular chemistry, and material science.
• Flavor & Fragrance Industry: Potential use as a precursor for synthesizing macrocyclic musks or other fragrance compounds with unique olfactory profiles.

Basic Information

Product Name	3-Ethyl-3-Methylhenicosanoic Acid Methyl Ester
CAS No.	55334-80-0
Molecular Formula	C₂₅H₅₀O₂
Molecular Weight	382.67 g/mol
Synonyms	Methyl 3-Ethyl-3-methylhenicosanoate; Henicosanoic acid, 3-ethyl-3-methyl-, methyl ester; 3-Ethyl-3-methylhenicosanoic acid methyl ester; Methyl 3-ethyl-3-methylheneicosanoate; C25 Branched-Chain Fatty Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 3-Ethyl-3-Methylhenicosanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere (nitrogen) to maintain optimal purity.

Specification

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