Description

5-Hexadecyne is a high-purity, long-chain terminal alkyne with the CAS number 71899-37-1. This compound serves as a versatile and valuable building block in advanced organic synthesis, particularly for constructing complex molecular architectures via click chemistry and cross-coupling reactions. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require precise, reliable intermediates for developing new active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key synthon for constructing bioactive molecules and potential drug candidates through Huisgen cycloaddition (click chemistry) and Sonogashira coupling reactions.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where its alkyne functionality allows for the introduction of specific side chains.
• Material Science Research: Employed in the synthesis of specialty polymers, dendrimers, and surface modifiers to impart unique properties like hydrophobicity or specific reactivity.
• Liquid Crystal & OLED Materials: Acts as a precursor in the development of organic semiconductors and liquid crystal compounds for display technologies.
• Chemical Biology Probes: Utilized for bioconjugation and labeling of biomolecules (proteins, nucleic acids) due to its selective reactivity with azides.
• Catalyst & Ligand Development: Serves as a substrate or precursor in the development and testing of new metal-organic catalysts and ligands.

Basic Information

Product Name	5-Hexadecyne
CAS No.	71899-37-1
Molecular Formula	C₁₆H₃₀
Molecular Weight	222.41 g/mol
Synonyms	1-Hexadecyne; Hexadec-1-yne; n-Tetradecylacetylene; Cetylacetylene; n-Hexadecyne; Palmitylacetylene; Terminal Hexadecyne
EINECS	Contact for details

Quality Control

Our 5-Hexadecyne is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, ensuring traceability and compliance with your research and production standards.

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 oxidizers, heat, and open flames. For long-term storage, consider 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)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~0.79 g/mL
Boiling Point	~285-290 °C

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