Description

Octadecanoic Acid, 6,7-Epoxy-, Methyl Ester, cis- is a specialized epoxy-functionalized fatty acid methyl ester, a high-value intermediate in fine chemical synthesis. Its unique cis-epoxide structure provides a reactive site for ring-opening reactions, making it a versatile building block for creating advanced polymers, surfactants, and lubricant additives. This compound is particularly relevant for R&D and production in the specialty chemicals, advanced materials, and pharmaceutical intermediates sectors.

Application

• Polymer & Resin Modification: Acts as a reactive monomer or cross-linking agent to introduce flexibility, adhesion, or chemical resistance into epoxy, polyester, and acrylic resin systems.
• Lubricant & Fuel Additive Synthesis: Serves as a key intermediate for manufacturing high-performance ester-based lubricants, viscosity modifiers, and deposit control additives.
• Surfactant & Emulsifier Production: Used in the synthesis of novel non-ionic and cationic surfactants with enhanced wetting, emulsifying, or antimicrobial properties.
• Pharmaceutical & Agro-chemical Intermediates: Provides a chiral template for the synthesis of complex bioactive molecules, including certain drug candidates and plant growth regulators.
• Cosmetic & Personal Care Ingredients: Employed in the production of specialty emollients, skin-conditioning agents, and delivery systems for active ingredients.
• Adhesive & Sealant Formulations: Enhances the properties of adhesives by improving low-temperature flexibility, moisture resistance, and substrate adhesion.

Basic Information

Item	Details
Product Name	Octadecanoic Acid, 6,7-Epoxy-, Methyl Ester, cis-
CAS No.	1041-25-4
Molecular Formula	C₁₉H₃₆O₃
Molecular Weight	312.49 g/mol
Synonyms	cis-6,7-Epoxyoctadecanoic Acid Methyl Ester; Methyl cis-6,7-Epoxystearate; 6,7-Epoxystearic Acid Methyl Ester; Methyl 6,7-Epoxyoctadecanoate; cis-Epoxystearic Acid Methyl Ester; 6,7-Epoxy Stearic Acid Methyl Ester; Methyl 9,10-Epoxystearate (common misnomer, verify structure); Epoxidized Methyl Stearate
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, 6,7-Epoxy-, Methyl Ester, cis- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your technical 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 oxidizing agents, acids, and bases. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Epoxide Content	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.5%

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