Description

6,7-Epoxyoctadecanoic Acid Methyl Ester is a specialized long-chain fatty acid derivative featuring an epoxide functional group. This compound is valued as a versatile chemical intermediate for synthesizing a range of oleochemicals, including polyols, surfactants, and plasticizers. It is primarily utilized by R&D laboratories and manufacturers in the polymer, lubricant, and specialty chemical industries seeking to modify material properties.

Application

• Polymer Modification: Acts as a reactive monomer or cross-linking agent in the production of epoxy resins, polyurethanes, and specialty polymers to enhance flexibility, adhesion, or chemical resistance.
• Lubricant & Grease Formulation: Serves as a precursor for synthesizing bio-based lubricant additives and ester-based synthetic oils with improved thermal stability and low-temperature performance.
• Surfactant & Emulsifier Synthesis: Used to create novel non-ionic or anionic surfactants for industrial cleaning, agrochemicals, and personal care formulations.
• Plasticizer Production: A key intermediate for manufacturing epoxidized fatty acid ester plasticizers, which are used as secondary plasticizers and stabilizers in PVC and other flexible polymers.
• Organic Synthesis Intermediate: Employed in pharmaceutical and fine chemical research for ring-opening reactions to introduce diols or other functional groups into complex molecules.
• Coating & Ink Formulations: Contributes to the development of alkyd resins and other binders for coatings, inks, and adhesives, improving drying properties and film characteristics.

Basic Information

Product Name	6,7-Epoxyoctadecanoic Acid Methyl Ester
CAS No.	67101-29-5
Molecular Formula	C₁₉H₃₆O₃
Molecular Weight	312.49 g/mol
Synonyms	Methyl 6,7-epoxyoctadecanoate; Methyl 9,10-epoxyoctadecanoate (positional isomer); Epoxidized Methyl Oleate; Epoxy Methyl Oleate; Methyl Epoxystearate; 6,7-Epoxy-octadecanoic acid methyl ester; Oxiraneoctanoic acid, 3-octyl-, methyl ester; Fatty acid, C18, epoxidized, methyl ester
EINECS	Contact for details

Quality Control

Our 6,7-Epoxyoctadecanoic Acid Methyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing assay, epoxide content, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

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). Keep away from strong acids, bases, and oxidizing agents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Epoxide Content	≥ 5.5 meq/g
Acid Value	≤ 1.0 mg KOH/g
Iodine Value	≤ 5.0 g I₂/100g
Moisture (KF)	≤ 0.2%

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