Hafnium oxide, 99.99%

Name: Hafnium oxide, 99.99%
Brand: Vaqora Chemicals
SKU: VQ-014912

About Hafnium oxide, 99.99%

Hafnium oxide is a refractory / heavy metal compound in Puriss grade carrying the CAS registry number 12055-23-1 at a purity of 99.99%. The compound has the formula HfO2, corresponding to a molecular weight of 210.48 g/mol. Its systematic (IUPAC) name is dioxohafnium. Common synonyms include Hafnium(IV) oxide and Hafnium dioxide.

The material typically appears as a white to off-white powder. Literature values give a melting point of 2758 °C and a density of 9.68 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include paints, coatings and inks, electronics and thin films and optics and photonics. Buyers come mainly from academic and industrial research.

Standard pack sizes are 1 g, 5 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Paints, coatings & inks
Electronics & thin films
Optics & photonics

Industries

Specifications & identifiers

Chemical identifiers
Product name	Hafnium oxide, 99.99%
Catalogue No.	VQ-014912
CAS Number	12055-23-1
IUPAC name	dioxohafnium
Molecular formula	HfO₂
Molecular weight	210.48 g/mol
Exact mass	211.9364
Grade	Puriss
Purity / assay	99.99%
HSN code	28259090
InChIKey	CJNBYAVZURUTKZ-UHFFFAOYSA-N
SMILES	O=[Hf]=O
PubChem CID	292779

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	2758 °C
Density	9.68 g/mL at 25 °C
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Synonyms	Hafnium(IV) oxide, Hafnium dioxide, Hafnia, Hafnium oxide (HfO2), Nbtxr3, Bis(oxido)hafnium, Hafnia (HfO2), Hafnium (IV) Oxide, Hafnium dioxide (HfO2), Hafnium(IV) oxide, powder, 98%, Hafnium(IV) oxide, >=99.95%, Hafnium Oxide Nanoparticle Dispersion

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 12055-23-1

Puriss

Hafnium (IV) oxide pellets, 1-3 mm, 99.99%

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-014900

Hafnium oxide diam. x thickness 20 mm × 10 mm, 99.9%

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-017121

Hafnium oxide granules, 1-5 mm, 99.99%

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-014905

Hafnium oxide granules, 1-6 mm, 99.9%

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-014906

Hafnium oxide granules, black, 1-5 mm, 99.99%

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-014907

Hafnium oxide nanopowder, APS 100-200 nm, 99.99%

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-017473

AR

Hafnium oxide nanopowder, APS 100-200 nm, AR

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-046582

Hafnium oxide pieces, 1-3 mm, 99.99%

CAS: 12055-23-1
Formula: HfO₂
MW: 210.48 g/mol

VQ-017122

All 21 products with CAS 12055-23-1 →

Frequently asked questions

What is the CAS number of Hafnium oxide, 99.99%?

The CAS Registry Number of Hafnium oxide, 99.99% is 12055-23-1. It is also known as Hafnium(IV) oxide, Hafnium dioxide, Hafnia.

What is the molecular formula and molecular weight of Hafnium oxide, 99.99%?

Hafnium oxide, 99.99% has the molecular formula HfO2 and a molecular weight of 210.48 g/mol. Its IUPAC name is dioxohafnium.

Which grade and pack sizes of Hafnium oxide, 99.99% can I order?

We supply Hafnium oxide, 99.99% in Puriss (99.99%) grade, in 1 g, 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hafnium oxide, 99.99%?

Yes. Every lot of Hafnium oxide, 99.99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Hafnium oxide, 99.99% be shipped internationally?

Yes. We export Hafnium oxide, 99.99% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.