Description

4-Hexyne-2,3-Dione (9Ci) is a specialized alkyne-dione compound, identified by CAS NO 159146-89-1, that serves as a valuable building block in advanced organic synthesis. Its unique structure, featuring both an alkyne and adjacent diketone functional groups, makes it a versatile precursor for constructing complex molecular architectures. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries, enabling the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the construction of heterocyclic compounds and complex drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its reactivity to create new active molecules.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials.
• Chemical Research & Development: A versatile building block in academic and industrial R&D for exploring new synthetic methodologies and creating complex organic molecules.
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized ligands for metal complexes and catalysts used in asymmetric synthesis.

Basic Information

Product Name	4-Hexyne-2,3-Dione (9Ci)
CAS No.	159146-89-1
Molecular Formula	C6H6O2
Molecular Weight	110.11 g/mol
Synonyms	2,3-Hexanedione, 4-hexyne-; 4-Hexyne-2,3-dione; 2,3-Dioxo-4-hexyne; 1,2-Diacetylethyne; 1,2-Diacetylacetylene; But-2-yn-2,3-dione; 4-Hexyn-2,3-dione
EINECS	Contact for details

Quality Control

Our 4-Hexyne-2,3-Dione (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation. A Certificate of Analysis (COA) detailing specific results for purity, assay, and impurity profiles is provided with every shipment. We are committed to meeting the stringent requirements of research and development applications.

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 acids and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to amber liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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