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Hafnium (Hf)

Hafnium (Hf)

Discovered in 1923, hafnium has since been alloyed with iron, titanium, niobium, tantalum, and other metals.

Hafnium is a ductile metal with a brilliant silver luster and is very difficult to separate. Resistant to concentrated alkalis, it reacts at elevated temperatures with oxygen, nitrogen, carbon, boron, sulfur, and silicon, and directly with halogens to form tetrahalides.

Because hafnium has a good absorption cross section for thermal neutrons, excellent mechanical properties, and corrosion resistance, it's used for reactor control rods. It's also used in gas-filled and incandescent lamps.

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1 – 15 of 16 results
1

Hafnium rod, 6.35mm (0.25in) dia, 99.9% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
2

Hafnium foil, 0.25mm (0.01in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
3

Hafnium sponge, 99.6% (metals basis excluding Zr), Thermo Scientific™

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
4

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

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
5

Hafnium wire, 1.0mm (0.04in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
6

Hafnium wire, 1.57mm (0.0618in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
7

Hafnium wire, 0.5mm (0.02in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
8

Hafnium crystal bar milled chips, 99.7% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
9

Hafnium wire, 0.25mm (0.01 in.) dia., 99.97% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
10

Hafnium foil, 0.75mm (0.03in) thick, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
11

Hafnium pieces, 3-12mm (0.12-0.47in), 99.9% (metals basis excluding Zr), Zr nominal 2%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
12

Hafnium wire, 2.0mm (0.08 in.) dia., 99.7% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
13

Hafnium foil, 0.025mm (0.001in) thick, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
14

Hafnium foil, 1.0mm (0.04in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf
15

Hafnium powder, -60+325 mesh, 99.6% (metals basis excluding Zr), Zr nominal 2-3.5%, Thermo Scientific Chemicals

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N Synonym: hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

PubChem CID 23986
CAS 7440-58-6
Molecular Weight (g/mol) 178.49
ChEBI CHEBI:33343
MDL Number MFCD00011032
SMILES [Hf]
Synonym hafnium, elemental,hafnio,celtium,unii-x71938l1do,and compounds,hsdb 552,powder,foil,atom,wire
IUPAC Name hafnium
InChI Key VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula Hf