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

Product Code	Brand	Quantity
11333248	Thermo Scientific Alfa Aesar 036204.04	2 g
11323248	Thermo Scientific Alfa Aesar 036204.09	10 g
11313248	Thermo Scientific Alfa Aesar 036204.18	50 g

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.

Chemical Identifiers

• CAS: 12055-23-1
• Molecular Weight (g/mol): 210.49
• InChI Key: WIHZLLGSGQNAGK-UHFFFAOYSA-N
• SMILES: [O--].[O--].[Hf+4]

• Molecular Formula: HfO2
• MDL Number: MFCD00003565
• IUPAC Name: hafnium(4+) dioxidandiide

Specifications

• Melting Point: 2774°C
• Physical Form: Sintered Lump
• MDL Number: MFCD00003565
• Solubility Information: Insoluble in water.
• SMILES: [O--].[O--].[Hf+4]
• Molecular Weight (g/mol): 210.49
• Percent Purity: 99.9%
• Density: 9.68 g/mL
• Chemical Name or Material: Hafnium(IV) oxide

• CAS: 12055-23-1
• Molecular Formula: HfO2
• Merck Index: 14,4588
• InChI Key: WIHZLLGSGQNAGK-UHFFFAOYSA-N
• IUPAC Name: hafnium(4+) dioxidandiide
• Formula Weight: 210.49
• Odor: Odorless
• Assay: (metals basis excluding Zr), Zr <0.5%

Safety and Handling

missing translation for 'einecsNumber' : 235-013-2

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only