Description

Octadecyl (9Z,12Z)-Octadeca-9,12-Dienoate is a high-purity ester derivative of linoleic acid, valued for its role as a versatile intermediate and functional additive. This compound is essential for formulators seeking to modify surface properties, enhance lubrication, or introduce specific organic moieties into complex chemical systems. It is primarily utilized by manufacturers in the personal care, polymer, and specialty chemical industries.

Application

• Personal Care & Cosmetics: Acts as an emollient, skin-conditioning agent, and carrier oil in creams, lotions, and lipsticks.
• Polymer & Plastic Additives: Serves as an internal or external lubricant and processing aid in PVC and other polymer formulations.
• Lubricant & Grease Formulation: Used as a synthetic base oil or additive component to improve viscosity and film strength.
• Chemical Synthesis: Functions as a key intermediate for producing surfactants, emulsifiers, and other ester-based specialty chemicals.
• Textile & Fiber Treatment: Employed as a softening agent and water-repellent finish on fabrics and non-woven materials.
• Coatings & Inks: Imparts flexibility and water resistance as a modifying agent in resin and varnish systems.

Basic Information

Product Name	Octadecyl (9Z,12Z)-Octadeca-9,12-Dienoate
CAS No.	17673-53-9
Molecular Formula	C₃₆H₆₈O₂
Molecular Weight	532.9 g/mol
Synonyms	Stearyl Linoleate; Octadecyl Linoleate; Linoleic Acid Stearyl Ester; (9Z,12Z)-9,12-Octadecadienoic Acid Octadecyl Ester; Stearyl (9Z,12Z)-9,12-Octadecadienoate; Cetyl-Stearyl Linoleate (mixture reference); Fatty Acid Ester C18; Linoelaidyl Stearate
EINECS	241-654-9

Quality Control

Our Octadecyl (9Z,12Z)-Octadeca-9,12-Dienoate is manufactured under a strict quality management system. Every batch is analyzed to ensure it meets stringent specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical constants is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen) to preserve quality and extend shelf life. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow oily liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Iodine Value	70 - 90 g I₂/100g
Saponification Value	100 - 115 mg KOH/g
Water Content (KF)	≤ 0.5%

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