Description

2-Methyloctadecanedioic Acid Dimethyl Ester is a high-purity, long-chain diester derivative of a branched dicarboxylic acid. This compound serves as a versatile and valuable intermediate in advanced organic synthesis, prized for its specific molecular architecture. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, specialty polymer, and fine chemical sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules, particularly those requiring lipophilic, branched-chain components.
• Polymer & Resin Modifier: Used to introduce branching and flexibility into polyesters, polyamides, and other specialty polymers, altering their physical properties.
• Lubricant & Plasticizer Precursor: Serves as a starting material for synthesizing high-performance ester-based lubricants and specialty plasticizers with low volatility.
• Fine Chemical Synthesis: Employed in organic research and production for constructing complex organic molecules, including surfactants and corrosion inhibitors.
• Cosmetic Ingredient Intermediate: Used in the manufacture of emollients and texture-enhancing agents for high-end cosmetic formulations.

Basic Information

Product Name	2-Methyloctadecanedioic Acid Dimethyl Ester
CAS No.	41240-36-2
Molecular Formula	C₂₁H₄₀O₄
Molecular Weight	356.54 g/mol
Synonyms	Dimethyl 2-Methyloctadecanedioate; Dimethyl 2-Methyl-1,18-octadecanedioate; 2-Methyloctadecanedioic Acid Methyl Ester; Methyl 2-Methyloctadecanedioate; Octadecanedioic Acid, 2-Methyl-, Dimethyl Ester; C18-Dicarboxylic Acid, 2-Methyl-, Dimethyl Ester
EINECS	Contact for details

Quality Control

Our 2-Methyloctadecanedioic Acid Dimethyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
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.