Description

8-Octadecynoic Acid Methyl Ester is a high-purity fatty acid derivative characterized by its terminal alkyne functional group. This unique structure makes it a valuable versatile building block for organic synthesis and materials science research. It is primarily sought after by pharmaceutical intermediates, specialty polymer, and advanced lubricant manufacturers for creating novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of bioactive molecules, including potential drug candidates and diagnostic agents.
• Polymer & Material Science: Used in the development of specialty polymers, coatings, and functional materials via click chemistry (e.g., Huisgen cycloaddition) and other coupling reactions.
• Lubricant & Fuel Additive Precursor: Serves as a starting material for synthesizing novel ester-based lubricants and fuel additives with enhanced performance characteristics.
• Organic Synthesis Building Block: Employed in research laboratories for constructing complex organic molecules, leveraging the reactivity of the alkyne group.
• Surface Modification Agent: Used to create self-assembled monolayers (SAMs) or to functionalize surfaces for specific chemical or biological applications.
• Chemical Research Standard: Acts as a reference standard in analytical chemistry for method development and quality control in related chemical processes.

Basic Information

Product Name	8-Octadecynoic Acid Methyl Ester
CAS No.	18545-05-6
Molecular Formula	C₁₉H₃₄O₂
Molecular Weight	294.47 g/mol
Synonyms	Methyl 8-Octadecynoate; Methyl stearolate; 8-Octadecynoic acid methyl ester; Methyl octadec-8-ynoate; Stearolic acid methyl ester; 8-Heptadecyne-1-carboxylic acid methyl ester; C18:1 (8-yne) methyl ester
EINECS	Contact for details

Quality Control

Our 8-Octadecynoic Acid Methyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, 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 needs.

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 and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.