Description

5,7,11,13-Octadecatrayne-1,18-Diol is a specialized long-chain polyyne diol characterized by its unique conjugated triple-bond structure. This molecular architecture makes it a valuable synthetic intermediate and building block for advanced materials research. It is particularly sought after for the development of novel polymers, liquid crystals, and organic electronic components. Industries involved in specialty chemical synthesis, pharmaceutical research, and material science are the primary users of this high-purity compound.

Application

• Advanced Polymer Synthesis: Serves as a key monomer or cross-linking agent for creating polymers with tailored optical, electronic, or mechanical properties.
• Pharmaceutical Intermediates: Used in the research and development of novel active pharmaceutical ingredients (APIs), leveraging its rigid, linear backbone.
• Material Science Research: A critical building block for developing organic semiconductors, conductive polymers, and nonlinear optical materials.
• Liquid Crystal Formulations: Acts as a mesogenic unit in the synthesis of liquid crystalline compounds for display and sensor technologies.
• Organic Synthesis: Provides a versatile scaffold for further chemical modifications via its terminal hydroxyl groups and internal alkyne bonds.
• Academic & Industrial R&D: Employed in fundamental research exploring carbon-rich molecules and their properties.

Basic Information

Product Name	5,7,11,13-Octadecatrayne-1,18-Diol
CAS No.	76379-67-4
Molecular Formula	C₁₈H₂₂O₂
Molecular Weight	270.37 g/mol
Synonyms	Octadeca-5,7,11,13-tetrayne-1,18-diol; 1,18-Octadecatetrayne-4,15-diol; 5,7,11,13-Octadecatetrayne-1,18-diol; 1,18-Dihydroxyoctadeca-5,7,11,13-tetrayne; C18-Tetrayne Diol; Long-chain polyyne diol
EINECS	Contact for details

Quality Control

Our 5,7,11,13-Octadecatrayne-1,18-Diol is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including HPLC, GC, and NMR for comprehensive characterization. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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