Description

9,12-Octadecadiynoic Acid is a long-chain fatty acid derivative featuring both diyne and carboxylic acid functional groups, making it a valuable synthetic intermediate. This compound matters for its role as a versatile building block in organic synthesis and materials science, enabling the creation of specialized polymers and bioactive molecules. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials industries for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and bioactive molecules, particularly those targeting metabolic pathways.
• Polymer & Material Science: Used as a monomer or cross-linking agent for creating specialized polymers, liquid crystals, and advanced materials with unique optical or mechanical properties.
• Agrochemical Research: Acts as a building block for developing new crop protection agents and plant growth regulators.
• Biochemical Research: Employed in lipidomics and metabolic studies as a probe or standard due to its distinct alkyne-functionalized structure.
• Surface Chemistry & Coatings: Utilized to modify surfaces or create self-assembled monolayers (SAMs) for sensor development and nanotechnology applications.
• Organic Synthesis: A versatile synthon for constructing complex natural product analogs and organic frameworks via click chemistry and other coupling reactions.

Basic Information

Product Name	9,12-Octadecadiynoic Acid
CAS No.	2012-14-8
Molecular Formula	C₁₈H₂₈O₂
Molecular Weight	276.41 g/mol
Synonyms	Octadeca-9,12-diynoic Acid; 9,12-Octadecadiynoic Acid; Stearolic Acid (related but not identical); 9,12-Heptadecadien-8-ynoic Acid (obsolete); C18:2 Diyne Fatty Acid; (9Z,12Z)-9,12-Octadecadiynoic Acid (isomer); Linoleic Acid Diyne Derivative
EINECS	Contact for details

Quality Control

Our 9,12-Octadecadiynoic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets high-purity research and industrial standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizers and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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