Description

18-Methylnonadecanoic Acid Methyl Ester is a high-purity branched-chain fatty acid ester with a defined molecular structure. This specialty chemical is valued for its role as a key intermediate and building block in advanced organic synthesis and material science. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of complex bioactive molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of specialized pesticides, herbicides, and plant growth regulators.
• Specialty Polymer & Lubricant Additive: Functions as a monomer or modifier to impart specific properties like low-temperature flexibility or hydrophobicity to polymers and lubricant formulations.
• Organic Synthesis & Chemical Research: Acts as a versatile reagent for constructing complex organic architectures in academic and industrial R&D laboratories.
• Flavor & Fragrance Industry: Employed as a precursor for synthesizing specific ester-based aroma compounds.
• Surface Active Agent Precursor: Used in the development of specialized surfactants and emulsifiers with unique branching characteristics.

Basic Information

Product Name	18-Methylnonadecanoic Acid Methyl Ester
CAS No.	65301-91-9
Molecular Formula	C₂₁H₄₂O₂
Molecular Weight	326.56 g/mol
Synonyms	Methyl 18-Methylnonadecanoate; 18-Methylnonadecanoic Acid Methyl Ester; Methyl 18-Methylnonadecanoate; Nonadecanoic Acid, 18-Methyl-, Methyl Ester; 18-Methylnonadecanoic Acid, Methyl Ester; Methyl 18-Methyleicosanoate (related); Branched C21 Fatty Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 18-Methylnonadecanoic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to guarantee compliance with your specifications and industry standards.

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 acids and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.86 - 0.88
Refractive Index (20°C)	1.440 - 1.445

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