Description

6-Methyloctadecanoic Acid Methyl Ester is a high-purity branched-chain fatty acid ester, a key intermediate in advanced organic synthesis. This compound is valued for its role as a versatile building block in the production of specialized surfactants, lubricant additives, and fine chemicals. It is essential for R&D and manufacturing in the pharmaceutical, agrochemical, and specialty chemical industries seeking to modify hydrophobicity and introduce specific alkyl chain architectures.

Application

• Surfactant & Detergent Intermediate: Serves as a precursor for synthesizing novel branched-chain surfactants with enhanced solubility and performance properties.
• Lubricant & Fuel Additive Synthesis: Used in the production of ester-based additives that improve low-temperature fluidity and oxidative stability.
• Pharmaceutical & Agrochemical Intermediates: Acts as a key chiral building block for the synthesis of complex bioactive molecules and active ingredients.
• Polymer & Resin Modification: Employed to introduce long alkyl side chains into polymers, modifying flexibility, hydrophobicity, and compatibility.
• Flavor & Fragrance Industry: Utilized as an intermediate in the synthesis of specific ester compounds for aroma chemicals.
• Research & Development: A valuable standard and reagent in organic chemistry research, particularly in lipid and ester chemistry studies.

Basic Information

Product Name	6-Methyloctadecanoic Acid Methyl Ester
CAS No.	2490-21-3
Molecular Formula	C₂₀H₄₀O₂
Molecular Weight	312.53 g/mol
Synonyms	Methyl 6-Methyloctadecanoate; Methyl 6-Methylstearate; 6-Methylstearic Acid Methyl Ester; Methyl iso-Nonadecanoate; 6-Methyloctadecanoic Acid, Methyl Ester; Iso-Nonadecanoic Acid Methyl Ester; Methyl 6-Methyloctadecylate
EINECS	219-667-8

Quality Control

Our 6-Methyloctadecanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are provided with every shipment to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (20°C)	0.86 - 0.88 g/mL

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