Hafnium powder, <40 μm, 99.9%

Name: Hafnium powder, <40 μm, 99.9%
Brand: Vaqora Chemicals
SKU: VQ-014921

About Hafnium powder, <40 μm, 99.9%

Hafnium powder, below 40 μm (CAS 7440-58-6) is a refractory / heavy metal compound offered by Vaqora Chemicals at a purity of 99.9%. The compound has the formula Hf, corresponding to a molecular weight of 178.49 g/mol. Its systematic (IUPAC) name is hafnium.

In its supplied form it is a grey powder. Reported physical data include a melting point of 2227 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include metallurgy and plating and materials research. Typical end-use sectors are 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 powder, <40 μm, 99.9%
Catalogue No.	VQ-014921
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	Powder
Appearance	Grey powder
Melting point	2227 °C
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 pieces, 4-10 mm, 99.9%

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

VQ-014919

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 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

All 12 products with CAS 7440-58-6 →

Frequently asked questions

What is the CAS number of Hafnium powder, <40 μm, 99.9%?

The CAS Registry Number of Hafnium powder, <40 μm, 99.9% is 7440-58-6.

What is the molecular formula and molecular weight of Hafnium powder, <40 μm, 99.9%?

Hafnium powder, <40 μm, 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 powder, <40 μm, 99.9% can I order?

We supply Hafnium powder, <40 μm, 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 powder, <40 μm, 99.9%?

Yes. Every lot of Hafnium powder, <40 μm, 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 powder, <40 μm, 99.9% be shipped internationally?

Yes. Hafnium powder, <40 μm, 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.