Hafnium pieces, 4-10 mm, 99.9%

Name: Hafnium pieces, 4-10 mm, 99.9%
Brand: Vaqora Chemicals
SKU: VQ-014919

About Hafnium pieces, 4-10 mm, 99.9%

Hafnium pieces, 4-10 mm (CAS 7440-58-6) is a refractory / heavy metal compound offered by Vaqora Chemicals, specified at 99.9% purity. Its molecular formula is Hf and its molecular weight is 178.49 g/mol. The IUPAC name is hafnium.

The material typically appears as grey to silver pieces. Key physical data: a melting point of 2227 °C and a density of 13.3 g/cm3. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for metallurgy and plating and materials research. Our customers for this product work in academic and industrial research.

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

Typical applications

Metallurgy & plating
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Hafnium pieces, 4-10 mm, 99.9%
Catalogue No.	VQ-014919
CAS Number	7440-58-6
IUPAC name	hafnium
Molecular formula	Hf
Molecular weight	178.49 g/mol
Exact mass	179.9466
Purity / assay	99.9%
HSN code	81129900
InChIKey	VBJZVLUMGGDVMO-UHFFFAOYSA-N
SMILES	[Hf]
PubChem CID	23986

Physical properties
Physical form	Solid
Appearance	Grey to silver pieces
Melting point	2227 °C
Density	13.3 g/cm3
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
UN number	UN 1326

Safety & hazard information (GHS)

Flammable

Signal word: Danger

Hazard statements

H250Catches fire spontaneously if exposed to air

Precautionary statements: P210, P222, P231, P233, P280, P302 + P335 + P334, P370 + P378

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 7440-58-6

Hafnium foil, 0.05 mm thick, 99.9%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-017119

Hafnium foil, 3 mm thick, 99.9%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-017120

Hafnium pellets, 3 mm dia x 3 mm th., 99.95%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-014916

Hafnium pellets, dia.3 x 3 mm, 99.9%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-014917

Hafnium pieces, 2-3 mm, 99.9%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-014918

Hafnium powder, -325 mesh, 99.6% (metals basis excluding Zr), Zr nominal 2-3.5%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-014920

Hafnium powder, <40 μm, 99.9%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-014921

Hafnium sputtering target dia x thickness 2 inch × 0.125 inch, ≥99.95%

CAS: 7440-58-6
Formula: Hf
MW: 178.49 g/mol

VQ-017128

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Frequently asked questions

What is the CAS number of Hafnium pieces, 4-10 mm, 99.9%?

The CAS Registry Number of Hafnium pieces, 4-10 mm, 99.9% is 7440-58-6.

What is the molecular formula and molecular weight of Hafnium pieces, 4-10 mm, 99.9%?

Hafnium pieces, 4-10 mm, 99.9% has the molecular formula Hf and a molecular weight of 178.49 g/mol. Its IUPAC name is hafnium.

Which grade and pack sizes of Hafnium pieces, 4-10 mm, 99.9% can I order?

We supply Hafnium pieces, 4-10 mm, 99.9% in (99.9%) grade, in 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 pieces, 4-10 mm, 99.9%?

Yes. Every lot of Hafnium pieces, 4-10 mm, 99.9% 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 pieces, 4-10 mm, 99.9% be shipped internationally?

Yes. Hafnium pieces, 4-10 mm, 99.9% is classified as hazardous (UN 1326), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.