Description

19-Methyl-5,9-Eicosadienoic Acid is a high-purity, long-chain branched fatty acid derivative of significant interest in advanced organic synthesis. This compound matters as a versatile and sophisticated building block for creating complex molecular architectures. It is primarily needed by research institutions and industrial R&D departments focused on pharmaceuticals, specialty polymers, and high-value lubricant additives.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of bioactive molecules and potential therapeutic agents.
• Specialty Polymer Synthesis: Used as a monomer or co-monomer to introduce unique branching and unsaturation into polymers, modifying their physical properties.
• Advanced Lubricant Formulation: Acts as a precursor for synthesizing novel ester-based lubricants with tailored viscosity and thermal stability profiles.
• Biochemical Research: Employed in studies of lipid metabolism, membrane biophysics, and as a standard for analytical method development.
• Fine Chemical Production: Utilized as a building block for synthesizing complex fragrances, flavors, and other high-value specialty chemicals.

Basic Information

Product Name	19-Methyl-5,9-Eicosadienoic Acid
CAS No.	133530-16-2
Molecular Formula	C₂₁H₃₈O₂
Molecular Weight	322.53 g/mol
Synonyms	19-Methyl-5,9-eicosadienoic acid; (5Z,9Z)-19-Methyleicosa-5,9-dienoic acid; 19-Methyleicosa-5,9-dienoic acid; 5,9-Eicosadienoic acid, 19-methyl-; C20:2δ5,9, 19-methyl branched chain fatty acid
EINECS	Contact for details

Quality Control

Our 19-Methyl-5,9-Eicosadienoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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