Description

2,5-Octadecadiynoic Acid Methyl Ester is a high-purity, long-chain fatty acid derivative featuring conjugated diyne functionality. This unique molecular structure makes it a valuable synthetic intermediate and building block for advanced materials research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of complex bioactive molecules and potential drug candidates.
• Agrochemical Research: Used in the development of novel surfactants, adjuvants, and active ingredients with specific structural properties.
• Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers, liquid crystals, and advanced coatings.
• Organic Synthesis: A versatile building block for click chemistry (e.g., Huisgen cycloaddition) and other coupling reactions due to its alkyne groups.
• Biochemical Research: Employed in the study of lipid metabolism and the synthesis of labeled compounds for analytical purposes.
• Cosmetic Ingredient Research: Investigated for use in the formulation of novel emollients and skin-conditioning agents.

Basic Information

Product Name	2,5-Octadecadiynoic Acid Methyl Ester
CAS No.	57156-91-9
Molecular Formula	C₁₉H₃₀O₂
Molecular Weight	290.44 g/mol
Synonyms	Methyl 2,5-octadecadiynoate; Methyl octadeca-2,5-diynoate; 2,5-Octadecadiynoic acid methyl ester; Octadeca-2,5-diynoic acid methyl ester; C18:2-diyn Methyl Ester; Methyl ester of 2,5-octadecadiynoic acid
EINECS	Contact for details

Quality Control

Our 2,5-Octadecadiynoic Acid Methyl Ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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