Description

3,11-Tetradecadiyne is a high-purity, linear diyne compound with the CAS number 115756-75-7, serving as a versatile building block in advanced organic synthesis. Its unique conjugated diyne structure makes it a valuable intermediate for constructing complex molecular architectures, including polymers, pharmaceuticals, and specialty materials. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to innovate with precise molecular control.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring rigid, linear alkyne backbones.
• Agrochemical Synthesis: Serves as a key precursor for developing new crop protection agents and herbicides with tailored properties.
• Material Science Research: A critical monomer for the development of conjugated polymers, specialty polyacetylenes, and advanced organic electronic materials.
• Chemical Biology Probes: Utilized in click chemistry and bioorthogonal labeling strategies for studying biological processes.
• Liquid Crystal & OLED Development: Acts as a building block for creating rigid-rod molecules used in display and lighting technologies.
• Academic & Industrial R&D: A fundamental reagent for exploratory organic synthesis and methodology development in research laboratories.

Basic Information

Product Name	3,11-Tetradecadiyne
CAS No.	115756-75-7
Molecular Formula	C₁₄H₂₂
Molecular Weight	190.33 g/mol
Synonyms	Tetradeca-3,11-diyne; 3,11-Tetradecadiyne; 3,11-Tetradecadi-1-yne; Linear C14 Diyne; 1,12-Dodecadiyne (common misnomer, verify structure); C14 Diyne Building Block
EINECS	Contact for details

Quality Control

Every batch of 3,11-Tetradecadiyne is produced and tested under a strict quality management system to ensure consistency and reliability for your critical applications. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles, typically determined by GC, HPLC, and spectroscopic methods. Our commitment to high-purity standards ensures the material meets the rigorous demands of research and process-scale synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere such as nitrogen or argon to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Purity (HPLC)	≥ 97.0%
Water Content	≤ 0.5%

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