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ChemicalBook >> CAS DataBase List >> HAFNIUM

HAFNIUM

HAFNIUM price.
  • $26 - $5450
  • Product name: HAFNIUM
  • CAS: 7440-58-6
  • MF: Hf
  • MW: 178.49
  • EINECS:231-166-4
  • MDL Number:MFCD00011032
  • Synonyms:celtium ;hafniummetal,dry(dot) ;hafniummetal,wet(dot) ;hafniumpowder ;HAFNIUM POWDER, -60+325 MESH, 99.6% (METALS BASIS EXCLUDING;HAFNIUM WIRE, 0.25MM (0.01IN) DIA, 99.97% (METALS BASIS EXCL;HAFNIUM CRYSTAL BAR, 99.7% (METALS BASIS EXCLUDING ZR), ZR N;HAFNIUM FOIL, 0.75MM (0.03IN) THICK, 99.5% (METALS BASIS EXC
Price443 Properties Safety Information Description
443 prices
Selected condition：
Brand
  • Alfa Aesar
  • American Custom Chemicals Corporation
  • ProChem
  • Sigma-Aldrich
  • Strem Chemicals
  • Usbiological
Package
  • 2m
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  • 1pc
  • ManufacturerAlfa Aesar
  • Product number042982
  • Product descriptionHafnium wire, 0.5mm (0.02in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3%
  • Packaging25cm
  • Price$41.4
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number000674
  • Product descriptionHafnium sponge, 0.8-20mm (0.03-0.79in), 99.6% (metals basis excluding Zr), Zr nominal 3%
  • Packaging10g
  • Price$49.3
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product number010201
  • Product descriptionHafnium powder, -325 mesh, 99.6% (metals basis excluding Zr), Zr nominal 2-3.5%
  • Packaging5g
  • Price$53.7
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number013435
  • Product descriptionHafnium wire, 1.57mm (0.0618in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3%
  • Packaging25cm
  • Price$56.7
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number010200
  • Product descriptionHafnium wire, 0.25mm (0.01in) dia, 99.97% (metals basis excluding Zr), Zr nominal 3%
  • Packaging50cm
  • Price$56.9
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product number010205
  • Product descriptionHafnium wire, 1.0mm (0.04in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3%
  • Packaging25cm
  • Price$57
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number010794
  • Product descriptionHafnium foil, 1.0mm (0.04in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3%
  • Packaging100x100mm
  • Price$1485
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number000674
  • Product descriptionHafnium sponge, 0.8-20mm (0.03-0.79in), 99.6% (metals basis excluding Zr), Zr nominal 3%
  • Packaging1kg
  • Price$3107
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product number013435
  • Product descriptionHafnium wire, 1.57mm (0.0618in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3%
  • Packaging500cm
  • Price$666
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number039710
  • Product descriptionHafnium foil, 0.025mm (0.001in) thick, 99.5% (metals basis excluding Zr), Zr nominal 3%
  • Packaging100x100mm
  • Price$819
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number013305
  • Product descriptionHafnium wire, 2.0mm (0.08in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3%
  • Packaging500cm
  • Price$840
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product number000674
  • Product descriptionHafnium sponge, 0.8-20mm (0.03-0.79in), 99.6% (metals basis excluding Zr), Zr nominal 3%
  • Packaging250g
  • Price$899
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product number044489
  • Product descriptionHafnium rod, 6.35mm (0.25in) dia, 99.9% (metals basis excluding Zr), Zr nominal 3%
  • Packaging250mm
  • Price$1157
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number010793
  • Product descriptionHafnium foil, 0.25mm (0.01in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3%
  • Packaging80x250mm
  • Price$1157
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number010794
  • Product descriptionHafnium foil, 1.0mm (0.04in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3%
  • Packaging50x50mm
  • Price$414
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product number039683
  • Product descriptionHafnium pieces, 3-12mm (0.12-0.47in), 99.9% (metals basis excluding Zr), Zr nominal 2%
  • Packaging50g
  • Price$499
  • Updated2023-06-20
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Alfa Aesar 042982 Hafnium wire, 0.5mm (0.02in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3% 25cm $41.4 2023-06-20 Buy
Alfa Aesar 000674 Hafnium sponge, 0.8-20mm (0.03-0.79in), 99.6% (metals basis excluding Zr), Zr nominal 3% 10g $49.3 2021-12-16 Buy
Alfa Aesar 010201 Hafnium powder, -325 mesh, 99.6% (metals basis excluding Zr), Zr nominal 2-3.5% 5g $53.7 2023-06-20 Buy
Alfa Aesar 013435 Hafnium wire, 1.57mm (0.0618in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3% 25cm $56.7 2023-06-20 Buy
Alfa Aesar 010200 Hafnium wire, 0.25mm (0.01in) dia, 99.97% (metals basis excluding Zr), Zr nominal 3% 50cm $56.9 2021-12-16 Buy
Alfa Aesar 010205 Hafnium wire, 1.0mm (0.04in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3% 25cm $57 2023-06-20 Buy
Alfa Aesar 010794 Hafnium foil, 1.0mm (0.04in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3% 100x100mm $1485 2023-06-20 Buy
Alfa Aesar 000674 Hafnium sponge, 0.8-20mm (0.03-0.79in), 99.6% (metals basis excluding Zr), Zr nominal 3% 1kg $3107 2021-12-16 Buy
Alfa Aesar 013435 Hafnium wire, 1.57mm (0.0618in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3% 500cm $666 2023-06-20 Buy
Alfa Aesar 039710 Hafnium foil, 0.025mm (0.001in) thick, 99.5% (metals basis excluding Zr), Zr nominal 3% 100x100mm $819 2023-06-20 Buy
Alfa Aesar 013305 Hafnium wire, 2.0mm (0.08in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3% 500cm $840 2021-12-16 Buy
Alfa Aesar 000674 Hafnium sponge, 0.8-20mm (0.03-0.79in), 99.6% (metals basis excluding Zr), Zr nominal 3% 250g $899 2021-12-16 Buy
Alfa Aesar 044489 Hafnium rod, 6.35mm (0.25in) dia, 99.9% (metals basis excluding Zr), Zr nominal 3% 250mm $1157 2023-06-20 Buy
Alfa Aesar 010793 Hafnium foil, 0.25mm (0.01in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3% 80x250mm $1157 2023-06-20 Buy
Alfa Aesar 010794 Hafnium foil, 1.0mm (0.04in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3% 50x50mm $414 2023-06-20 Buy
Alfa Aesar 039683 Hafnium pieces, 3-12mm (0.12-0.47in), 99.9% (metals basis excluding Zr), Zr nominal 2% 50g $499 2023-06-20 Buy
Next Last

Properties

Melting point :2227 °C (lit.)
Boiling point :4602 °C (lit.)
Density :13.3 g/cm3 (lit.)
storage temp. :Store at +15°C to +25°C.
solubility :soluble in HF
form :wire
Specific Gravity :13.31
color :Silver-gray
Resistivity :29.6 μΩ-cm, 0°C
Water Solubility :soluble HF; slowly reacts with conc H2SO4, aqua regia [KIR80]
Merck :13,4603
Exposure limits :ACGIH: Ceiling 2 ppm
OSHA: Ceiling 5 ppm(7 mg/m3)
NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3) Stability :Stable. Incompatible with oxygen, sulfur, strong oxidizing agents, halogens, phosphorus, strong acids. Highly flammable.
InChIKey :VBJZVLUMGGDVMO-UHFFFAOYSA-N
CAS DataBase Reference :7440-58-6(CAS DataBase Reference)
EPA Substance Registry System :Hafnium (7440-58-6)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H228 Flammable solid Flammable solids Category 1
Category 2		 Danger
Warning		 GHS hazard pictograms P210, P240,P241, P280, P370+P378
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P370+P378 In case of fire: Use … for extinction.

Description

Hafnium has a great affinity for absorbing slow neutrons. This attribute, along with itsstrength and resistance to corrosion, makes it superior to cadmium, which is also used formaking control rods for nuclear reactors. This use is of particular importance for the type ofnuclear reactors used aboard submarines. By moving the control rods in and out of a nuclearreactor, the fission chain reaction can be controlled as the neutrons are absorbed in the metalof the rods. The drawback to hafnium control rods is their expense: it costs approximately onemillion dollars for several dozen rods for use in a single nuclear reactor.
In vacuum tubes and other applications that must have gases removed, hafnium is used asa “getter” to absorb any trace oxygen or nitrogen in the tube, thus extending the life of thevacuum tube. Hafnium’s qualities also make it ideal for filaments in light bulbs and, whenmixed with rare-earth metals, as a “sparking” misch metal. Hafnium is also used to a lesserextent as an alloying agent for several other metals, including iron, titanium, and niobium.

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$10.00 /1KG
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