Description

5-Nonyn-2-One (9Ci) is a high-purity, highly volatile alkyne ketone building block of significant interest in advanced organic synthesis. Its unique structure, featuring a terminal alkyne and a ketone group, makes it a versatile intermediate for constructing complex molecular architectures. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting CNS and metabolic disorders.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing unique musk-like or green note aroma chemicals.
• Material Science Research: Employed in the creation of specialized polymers, dendrimers, and liquid crystalline materials.
• Click Chemistry: The terminal alkyne group is ideal for Huisgen cycloaddition reactions to create triazole linkages.
• Organic Synthesis Building Block: Used in various carbon-carbon bond-forming reactions, including Sonogashira coupling and nucleophilic additions to the carbonyl.

Basic Information

Product Name	5-Nonyn-2-One (9Ci)
CAS No.	132716-17-7
Molecular Formula	C₉H₁₄O
Molecular Weight	138.21 g/mol
Synonyms	5-Nonyn-2-One; 2-Nonanone, 5-ethynyl-; 5-Ethynyl-2-nonanone; Non-5-yn-2-one; 1-Hexyl-4-pentyn-3-one; 5-Octyn-2-one, 1-methyl-; 9CI Index Name; Terminal Alkyne Ketone C9
EINECS	Contact for details

Quality Control

Our 5-Nonyn-2-One (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures material consistency and reliability for your critical research and development projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at a controlled room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flame. For long-term storage, consider keeping under an inert atmosphere to prevent potential oxidation.

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.