HAFNIUM
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- $26 - $4580
- 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
405 prices
Selected condition：
Brand
- American Custom Chemicals Corporation
- ProChem
- Sigma-Aldrich
- Strem Chemicals
- Usbiological
Package
- 5MG
- 1g
- 2g
- 50x50mm
- 5gm
- 100x100mm
- 10g
- 25gm
- 25g
- 50g
- 1ea
- 100g
- 100mL
- 100gm
- 2ea
- 5ea
- 10ea
- 500gm
- 1kg
- 20ea
- 25cm
- 50ea
- 100cm
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberRDL0011697
- Product descriptionHAFNIUM 95.00%
- Packaging5MG
- Price$502.08
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1948
- Product descriptionHafnium, powder, -20 Mesh Product # Purity 99.6%
- Packaging5gm
- Price$35
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1948
- Product descriptionHafnium,powder,-20MeshProduct#Purity 99.6%
- Packaging5gm
- Price$35
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1945
- Product descriptionHafnium, crystal Bar Product # Purity 99.7%
- Packaging100gm
- Price$95
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1945
- Product descriptionHafnium,crystalBarProduct#Purity 99.7%
- Packaging100gm
- Price$95
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1948
- Product descriptionHafnium,powder,-20MeshProduct#Purity 99.6%
- Packaging25gm
- Price$130
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1948
- Product descriptionHafnium, powder, -20 Mesh Product # Purity 99.6%
- Packaging25gm
- Price$130
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1945
- Product descriptionHafnium, crystal Bar Product # Purity 99.7%
- Packaging500gm
- Price$370
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1945
- Product descriptionHafnium,crystalBarProduct#Purity 99.7%
- Packaging500gm
- Price$370
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1951
- Product descriptionHafnium,sponge,-0.75”+20MeshProduct#Purity 99.6%
- Packaging1kg
- Price$1375
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1951
- Product descriptionHafnium, sponge, -0.75” + 20 Mesh Product # Purity 99.6%
- Packaging1kg
- Price$1375
- Updated2021-12-16
- Buy
- ManufacturerSigma-Aldrich
- Product number1.70322
- Product descriptionHafnium ICP standard traceable to SRM from NIST HfCl? in HCl 7% 1000 mg/l Hf Certipur?
- Packaging100mL
- Price$240
- Updated2025-07-31
- Buy
- ManufacturerSigma-Aldrich
- Product numberGF79695961
- Product descriptionHafnium wire reel, 0.1m, diameter 1.0mm, as drawn, 97%
- Packaging1ea
- Price$255
- Updated2023-06-20
- Buy
- ManufacturerSigma-Aldrich
- Product numberGF04095008
- Product descriptionHafnium foil, light tested, 25x25mm, thickness 0.005mm, 97%
- Packaging5ea
- Price$4580
- Updated2025-07-31
- Buy
- ManufacturerSigma-Aldrich
- Product numberGF10570799
- Product descriptionHafnium rod, 100mm, diameter 2.0mm, as drawn, 97%
- Packaging10ea
- Price$3560
- Updated2025-07-31
- Buy
- ManufacturerSigma-Aldrich
- Product numberGF13895983
- Product descriptionHafnium foil, light tested, 50x50mm, thickness 0.075mm, annealed, 97%
- Packaging5ea
- Price$3650
- Updated2025-07-31
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| American Custom Chemicals Corporation | RDL0011697 | HAFNIUM 95.00% | 5MG | $502.08 | 2021-12-16 | Buy |
| ProChem | 1948 | Hafnium, powder, -20 Mesh Product # Purity 99.6% | 5gm | $35 | 2021-12-16 | Buy |
| ProChem | 1948 | Hafnium,powder,-20MeshProduct#Purity 99.6% | 5gm | $35 | 2021-12-16 | Buy |
| ProChem | 1945 | Hafnium, crystal Bar Product # Purity 99.7% | 100gm | $95 | 2021-12-16 | Buy |
| ProChem | 1945 | Hafnium,crystalBarProduct#Purity 99.7% | 100gm | $95 | 2021-12-16 | Buy |
| ProChem | 1948 | Hafnium,powder,-20MeshProduct#Purity 99.6% | 25gm | $130 | 2021-12-16 | Buy |
| ProChem | 1948 | Hafnium, powder, -20 Mesh Product # Purity 99.6% | 25gm | $130 | 2021-12-16 | Buy |
| ProChem | 1945 | Hafnium, crystal Bar Product # Purity 99.7% | 500gm | $370 | 2021-12-16 | Buy |
| ProChem | 1945 | Hafnium,crystalBarProduct#Purity 99.7% | 500gm | $370 | 2021-12-16 | Buy |
| ProChem | 1951 | Hafnium,sponge,-0.75”+20MeshProduct#Purity 99.6% | 1kg | $1375 | 2021-12-16 | Buy |
| ProChem | 1951 | Hafnium, sponge, -0.75” + 20 Mesh Product # Purity 99.6% | 1kg | $1375 | 2021-12-16 | Buy |
| Sigma-Aldrich | 1.70322 | Hafnium ICP standard traceable to SRM from NIST HfCl? in HCl 7% 1000 mg/l Hf Certipur? | 100mL | $240 | 2025-07-31 | Buy |
| Sigma-Aldrich | GF79695961 | Hafnium wire reel, 0.1m, diameter 1.0mm, as drawn, 97% | 1ea | $255 | 2023-06-20 | Buy |
| Sigma-Aldrich | GF04095008 | Hafnium foil, light tested, 25x25mm, thickness 0.005mm, 97% | 5ea | $4580 | 2025-07-31 | Buy |
| Sigma-Aldrich | GF10570799 | Hafnium rod, 100mm, diameter 2.0mm, as drawn, 97% | 10ea | $3560 | 2025-07-31 | Buy |
| Sigma-Aldrich | GF13895983 | Hafnium foil, light tested, 50x50mm, thickness 0.075mm, annealed, 97% | 5ea | $3650 | 2025-07-31 | Buy |
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
Flame Color :White
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)
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
Flame Color :White
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
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| Signal word: | Danger | ||||||||||||||
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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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