Hafnium(IV) oxide, 99.9% (metals basis excluding Zr), Zr <0.5%, Thermo Scientific Chemicals

Description

Hafnium(IV) oxide is an intermediate. Hafnia is used in optical coatings, and as a high-κ dielectric in DRAM capacitors and in advanced metal-oxide-semiconductor devices.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 12055-23-1
• Molecular Formula: HfO2
• Molecular Weight (g/mol): 210.49
• MDL Number: MFCD00003565
• InChI Key: WIHZLLGSGQNAGK-UHFFFAOYSA-N
• IUPAC Name: hafnium(4+) dioxidandiide
• SMILES: [O--].[O--].[Hf+4]

• Melting Point: 2774°C
• Physical Form: Sintered Lump
• Quantity: 50 g
• Merck Index: 14,4588
• Solubility Information: Insoluble in water.
• Formula Weight: 210.49
• Percent Purity: 99.9%
• Odor: Odorless
• Density: 9.68 g/mL
• Assay: (metals basis excluding Zr), Zr <0.5%
• Chemical Name or Material: Hafnium(IV) oxide

Safety and Handling

EINECSNumber	235-013-2
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only