Description

1,1,1,4,4,4-Hexafluorobutane-2,3-Dione (CAS NO 685-24-5) is a highly fluorinated diketone compound, also known as hexafluoroacetylacetone (HFAH or hfacH). This specialized fluorinated building block is valued for its unique reactivity and ability to introduce fluorine atoms into complex molecular structures. It serves as a critical precursor and ligand in advanced material science and fine chemical synthesis, particularly for industries requiring high-performance fluorinated intermediates.

Application

• Metal-Organic Chemical Vapor Deposition (MOCVD) Precursor: Acts as a key ligand (hfac) for volatile metal complexes used in depositing thin metal films for semiconductors and microelectronics.
• Supercritical Fluid Extraction (SFE): Utilized as a fluorinated chelating agent for the selective extraction and separation of metal ions in specialized analytical and purification processes.
• Coordination Chemistry & Catalyst Synthesis: Serves as a bidentate ligand to form stable complexes with various transition metals, enabling the development of novel catalysts and functional materials.
• Fluorinated Polymer & Resin Modification: Used as an intermediate to incorporate fluorine into polymers, enhancing properties like chemical resistance, thermal stability, and surface characteristics.
• Pharmaceutical & Agrochemical Intermediates: Provides a fluorinated diketone scaffold for synthesizing bioactive molecules where fluorine substitution can improve metabolic stability and efficacy.
• Analytical Chemistry Reagent: Employed in spectroscopic studies and as a derivatization agent for the detection and analysis of specific metal species.

Basic Information

Product Name	1,1,1,4,4,4-Hexafluorobutane-2,3-Dione
CAS No.	685-24-5
Molecular Formula	C4H2F6O2
Molecular Weight	196.05 g/mol
Synonyms	Hexafluoroacetylacetone; 1,1,1,4,4,4-Hexafluoro-2,3-butanedione; HFAH; hfacH; 1,1,1,4,4,4-Hexafluoroacetylacetone; 2,3-Butanedione, 1,1,1,4,4,4-hexafluoro-; HFAA; Perfluoroacetylacetone
EINECS	211-682-8

Quality Control

Our 1,1,1,4,4,4-Hexafluorobutane-2,3-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and FTIR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and concentration changes. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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