Description

2,4-Heneicosadiynoic Acid 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 and specialty chemical sectors. The compound is supplied with full analytical documentation to support critical development and scale-up activities.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel bioactive molecules and potential therapeutic agents.
• Organic Synthesis Building Block: Used in coupling reactions and polymer chemistry to introduce rigid, linear alkyne segments into target structures.
• Materials Science Research: Investigated for the development of conjugated polymers, liquid crystals, and advanced organic electronic materials.
• Chemical Biology Probe: Employed in click chemistry applications and as a tool for studying lipid metabolism and membrane biophysics.
• Reference Standard: Used as an analytical standard in chromatography for quality control and method development in related chemical processes.

Basic Information

Product Name	2,4-Heneicosadiynoic Acid
CAS No.	69288-33-1
Molecular Formula	C₂₁H₃₄O₂
Molecular Weight	318.50 g/mol
Synonyms	Heneicosa-2,4-diynoic Acid; 2,4-Heneicosadiyn-1-oic Acid; 21:2δ2,4-diynoic Acid; C21:2 Diyne Fatty Acid; Docosa-2,4-diynoic Acid (obsolete); 2,4-Docosadiynoic Acid (common misnomer); FA(21:2(2,4-diyne))
EINECS	Contact for details

Quality Control

Every batch of 2,4-Heneicosadiynoic Acid is manufactured under a strict quality management system and undergoes comprehensive analytical characterization. Our standard quality protocol includes identity confirmation by spectroscopic methods and purity assessment by chromatographic techniques to ensure batch-to-batch consistency and reliability for your research. A detailed Certificate of Analysis (COA) containing lot-specific data is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). For long-term storage, consider holding under an inert atmosphere to minimize potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details

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