Description

Octadeca-6,9-Dienoic Acid is a high-purity unsaturated fatty acid derivative, also known as linoleic acid isomer, identified by CAS NO 28290-77-9. This compound is valued for its specific double-bond configuration, which makes it a versatile intermediate in the synthesis of specialty chemicals and advanced materials. It is primarily sought by manufacturers in the pharmaceutical, cosmetic, and polymer industries for research, formulation, and production processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of bioactive molecules, prostaglandins, and other lipid-based therapeutics.
• Cosmetic & Personal Care Ingredients: Serves as a key raw material for producing emollients, moisturizers, and skin barrier repair agents.
• Polymer & Resin Modification: Acts as a monomer or cross-linking agent to introduce flexibility and specific functional groups into polymers.
• Lubricant & Grease Additive: Employed in the formulation of synthetic lubricants and industrial greases for enhanced performance.
• Research & Development: A critical standard and building block in chemical research, particularly in lipid chemistry and material science.
• Surfactant & Detergent Precursor: Used to manufacture specialized surfactants for industrial and household cleaning applications.

Basic Information

Product Name	Octadeca-6,9-Dienoic Acid
CAS No.	28290-77-9
Molecular Formula	C₁₈H₃₂O₂
Molecular Weight	280.45 g/mol
Synonyms	6,9-Octadecadienoic Acid; (6Z,9Z)-6,9-Octadecadienoic Acid; Linoleic Acid Isomer; cis-6,cis-9-Octadecadienoic Acid; 6Z,9Z-Octadecadienoic Acid; C18:2 δ6,9; Fatty Acid C18:2 (6,9)
EINECS	Contact for details

Quality Control

Our Octadeca-6,9-Dienoic Acid 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 compliance needs.

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. Due to its easily oxidized nature, minimize exposure to air and moisture during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Acid Value	190 - 205 mg KOH/g
Peroxide Value	≤ 5.0 meq/kg
Water Content (KF)	≤ 0.5%

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