Description

4-Nonyne is a high-purity, linear terminal alkyne building block essential for advanced organic synthesis and materials science research. Its unique structure, featuring a terminal carbon-carbon triple bond, makes it a versatile precursor for constructing complex molecules through cross-coupling and cycloaddition reactions. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require reliable, high-quality intermediates for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced materials with tailored properties.
• Organic Synthesis Reagent: A fundamental reagent for Sonogashira, Glaser, and other metal-catalyzed cross-coupling reactions in academic and industrial R&D labs.
• Liquid Crystal & OLED Materials: Employed as a synthetic precursor for compounds used in electronic displays and optoelectronic devices.
• Chemical Biology Probes: Utilized in click chemistry applications for bioconjugation and labeling of biomolecules.

Basic Information

Product Name	4-Nonyne
CAS No.	20184-91-2
Molecular Formula	C9H16
Molecular Weight	124.22 g/mol
Synonyms	1-Heptyne, 3-ethyl-; Non-4-yne; 4-Nonyne; 3-Ethyl-1-heptyne; NSC 66444
EINECS	Contact for details

Quality Control

Our 4-Nonyne is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) and nuclear magnetic resonance (NMR) spectroscopy, to verify identity and purity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with our stringent specifications. We are committed to meeting the quality standards required for research and commercial synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

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

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