Description

Hafnium(IV) 2,4-pentanedionate is a high-purity organometallic compound, also known as hafnium acetylacetonate. This material serves as a critical precursor in advanced materials science, valued for its role in depositing high-quality hafnium oxide (HfO₂) thin films. It is essential for manufacturers and R&D facilities in the semiconductor, optical coating, and specialty ceramics industries seeking reliable, high-performance metal-organic sources.

Application

• Atomic Layer Deposition (ALD) & Chemical Vapor Deposition (CVD): A key precursor for depositing high-k dielectric hafnium oxide films in semiconductor gate stacks and memory devices.
• Thin Film Coatings: Used to create optical coatings, protective layers, and functional films on glass, metal, and polymer substrates.
• Nanomaterial Synthesis: Acts as a metal source in the sol-gel production of hafnium-based nanoparticles and advanced ceramics.
• Catalysis Research: Employed as a catalyst or catalyst precursor in specialized organic synthesis and polymerization reactions.
• Specialty Additives: Utilized in formulations for high-temperature stabilizers and modifiers in polymers and composites.

Basic Information

Product Name	Hafnium(IV) 2,4-Pentanedionate
CAS No.	17475-67-1
Molecular Formula	C15H21HfO6
Molecular Weight	450.83 g/mol
Synonyms	Hafnium acetylacetonate; Hafnium(4+) tetrakis(2,4-pentanedionate); Tetrakis(2,4-pentanedionato)hafnium(IV); Hf(acac)4; Hafnium tetrakis(acetylacetonate); 2,4-Pentanedione, hafnium(4+) salt; Hafnium(IV) acetylacetonate
EINECS	241-482-8

Quality Control

Our Hafnium(IV) 2,4-pentanedionate is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity. Quality is verified through a suite of analytical techniques including NMR, ICP-MS, and elemental analysis. A Certificate of Analysis (COA) detailing purity, metal content, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Hf content)	≥ 99.9% (trace metals basis)
Purity (HPLC)	≥ 99.0%
Melting Point	188 - 192 °C
Solubility	Soluble in organic solvents (e.g., toluene, THF)

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