Germanium
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- $40.4 - $6820
- Product name: Germanium
- CAS: 7440-56-4
- MF: Ge
- MW: 72.64
- EINECS:231-164-3
- MDL Number:MFCD00085310
- Synonyms:GERMANIUM, 99.9999%;Germanium sludge;Germanium, Pieces 3-9mm;Germanium, Powder 10 Mesh;Germanium pieces, 2cm (0.8in) & down, 99.9999% (metals basis);Germanium, plasma standard solution, Specpure(R), Ge 1000μg/ml;Germanium, AAS standard solution, Specpure(R), Ge 1000μg/ml;Germanium pieces, 2cm (0.8in) & down, Puratronic(R), 99.9999+% (metals basis)
128 prices
Selected condition：
Brand
- Chem-Impex
- ProChem
- Sigma-Aldrich
- Strem Chemicals
- Thermo Scientific Chemicals
Package
- 5G
- 10g
- 10gm
- 25G
- 50mL
- 1ea
- 50g
- 50gm
- 100G
- 100mL
- 2ea
- 5ea
- 500mL
- 1each
- 1 ea.
- 5 g
- 10 g
- 24 g
- 25 g
- 50 g
- 50 mL
- 100 g
- 120 g
- 500 mL
- ManufacturerChem-Impex
- Product number47080
- Product descriptionGermanium nanopowder (20-50 nm) ≥99.9%(Tracemetalsbasis)
- Packaging5G
- Price$405
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47079
- Product descriptionGermanium nanopowder (200 nm) ≥99.9%(Tracemetalsbasis)
- Packaging25G
- Price$429.4
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47080
- Product descriptionGermanium nanopowder (20-50 nm) ≥99.9%(Tracemetalsbasis)
- Packaging25G
- Price$1004.4
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47079
- Product descriptionGermanium nanopowder (200 nm) ≥99.9%(Tracemetalsbasis)
- Packaging100G
- Price$1313.9
- Updated2026-05-19
- Buy
- ManufacturerProChem
- Product number1909
- Product descriptionGermanium, powder, -10 Mesh 99.999%
- Packaging50g
- Price$635
- Updated2026-05-25
- Buy
- ManufacturerProChem
- Product number1909
- Product descriptionGermanium,powder,-10MeshProduct#Purity 99.999%
- Packaging50gm
- Price$585
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1909
- Product descriptionGermanium, powder, -10 Mesh Product # Purity 99.999%
- Packaging50gm
- Price$585
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1906
- Product descriptionGermanium, pieces, 3-9 mm 99.999%
- Packaging50g
- Price$600
- Updated2026-05-25
- Buy
- ManufacturerProChem
- Product number1906
- Product descriptionGermanium,pieces,3-9mmProduct#Purity 99.999%
- Packaging10gm
- Price$75
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1906
- Product descriptionGermanium, pieces, 3-9 mm Product # Purity 99.999%
- Packaging10gm
- Price$75
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1909
- Product descriptionGermanium, powder, -10 Mesh 99.999%
- Packaging10g
- Price$135
- Updated2026-05-25
- Buy
- ManufacturerProChem
- Product number1906
- Product descriptionGermanium, pieces, 3-9 mm 99.999%
- Packaging10g
- Price$150
- Updated2026-05-25
- Buy
- ManufacturerProChem
- Product number1909
- Product descriptionGermanium, powder, -10 Mesh Product # Purity 99.999%
- Packaging10gm
- Price$160
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1909
- Product descriptionGermanium,powder,-10MeshProduct#Purity 99.999%
- Packaging10gm
- Price$160
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1906
- Product descriptionGermanium, pieces, 3-9 mm Product # Purity 99.999%
- Packaging50gm
- Price$225
- Updated2021-12-16
- Buy
- ManufacturerProChem
- Product number1906
- Product descriptionGermanium,pieces,3-9mmProduct#Purity 99.999%
- Packaging50gm
- Price$225
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| Chem-Impex | 47080 | Germanium nanopowder (20-50 nm) ≥99.9%(Tracemetalsbasis) | 5G | $405 | 2026-05-19 | Buy |
| Chem-Impex | 47079 | Germanium nanopowder (200 nm) ≥99.9%(Tracemetalsbasis) | 25G | $429.4 | 2026-05-19 | Buy |
| Chem-Impex | 47080 | Germanium nanopowder (20-50 nm) ≥99.9%(Tracemetalsbasis) | 25G | $1004.4 | 2026-05-19 | Buy |
| Chem-Impex | 47079 | Germanium nanopowder (200 nm) ≥99.9%(Tracemetalsbasis) | 100G | $1313.9 | 2026-05-19 | Buy |
| ProChem | 1909 | Germanium, powder, -10 Mesh 99.999% | 50g | $635 | 2026-05-25 | Buy |
| ProChem | 1909 | Germanium,powder,-10MeshProduct#Purity 99.999% | 50gm | $585 | 2021-12-16 | Buy |
| ProChem | 1909 | Germanium, powder, -10 Mesh Product # Purity 99.999% | 50gm | $585 | 2021-12-16 | Buy |
| ProChem | 1906 | Germanium, pieces, 3-9 mm 99.999% | 50g | $600 | 2026-05-25 | Buy |
| ProChem | 1906 | Germanium,pieces,3-9mmProduct#Purity 99.999% | 10gm | $75 | 2021-12-16 | Buy |
| ProChem | 1906 | Germanium, pieces, 3-9 mm Product # Purity 99.999% | 10gm | $75 | 2021-12-16 | Buy |
| ProChem | 1909 | Germanium, powder, -10 Mesh 99.999% | 10g | $135 | 2026-05-25 | Buy |
| ProChem | 1906 | Germanium, pieces, 3-9 mm 99.999% | 10g | $150 | 2026-05-25 | Buy |
| ProChem | 1909 | Germanium, powder, -10 Mesh Product # Purity 99.999% | 10gm | $160 | 2021-12-16 | Buy |
| ProChem | 1909 | Germanium,powder,-10MeshProduct#Purity 99.999% | 10gm | $160 | 2021-12-16 | Buy |
| ProChem | 1906 | Germanium, pieces, 3-9 mm Product # Purity 99.999% | 50gm | $225 | 2021-12-16 | Buy |
| ProChem | 1906 | Germanium,pieces,3-9mmProduct#Purity 99.999% | 50gm | $225 | 2021-12-16 | Buy |
Properties
Melting point :937 °C (lit.)
Boiling point :2830 °C (lit.)
Density :5.35 g/mL at 25 °C (lit.)
vapor pressure :0Pa at 25℃
storage temp. :Flammables area
solubility :insoluble in H2O, dilute acid solutions, alkaline solutions
form :powder
color :Silver
Specific Gravity :5.35
PH :0.5 (20°C in H2O)
Flame Color :Pale blue
Resistivity :53000 μΩ-cm, 20°C
Water Solubility :insoluble H2O, HCl, dilute alkali hydroxides; attacked by aqua regia [MER06]
Electrical Conductivity :2000 S/m
Thermal Conductivity :60 W/(m·K)
Crystal Structure :Cubic, Diamond Structure - Space Group Fd3m
Merck :13,4419
Exposure limits :ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin)
OSHA: TWA 3 ppm
NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3) Stability :Stable. Slightly soluble in strong acids. Incompatible with strong oxidizing agents.
InChI :1S/Ge
InChIKey :GNPVGFCGXDBREM-UHFFFAOYSA-N
SMILES :[Ge]
LogP :4.14 at 20℃
Knoop Microhardness :7644, N/mm2 Microhardness
Modulus of Elasticity :130 GPa, Average of three axes
Poissons Ratio :0.30, Calculated
Shear Modulus :50.0 GPa, Average of three axes.
CAS DataBase Reference :7440-56-4(CAS DataBase Reference)
NIST Chemistry Reference :Germanium(7440-56-4)
EPA Substance Registry System :Germanium (7440-56-4)
Boiling point :2830 °C (lit.)
Density :5.35 g/mL at 25 °C (lit.)
vapor pressure :0Pa at 25℃
storage temp. :Flammables area
solubility :insoluble in H2O, dilute acid solutions, alkaline solutions
form :powder
color :Silver
Specific Gravity :5.35
PH :0.5 (20°C in H2O)
Flame Color :Pale blue
Resistivity :53000 μΩ-cm, 20°C
Water Solubility :insoluble H2O, HCl, dilute alkali hydroxides; attacked by aqua regia [MER06]
Electrical Conductivity :2000 S/m
Thermal Conductivity :60 W/(m·K)
Crystal Structure :Cubic, Diamond Structure - Space Group Fd3m
Merck :13,4419
Exposure limits :ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin)
OSHA: TWA 3 ppm
NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3) Stability :Stable. Slightly soluble in strong acids. Incompatible with strong oxidizing agents.
InChI :1S/Ge
InChIKey :GNPVGFCGXDBREM-UHFFFAOYSA-N
SMILES :[Ge]
LogP :4.14 at 20℃
Knoop Microhardness :7644, N/mm2 Microhardness
Modulus of Elasticity :130 GPa, Average of three axes
Poissons Ratio :0.30, Calculated
Shear Modulus :50.0 GPa, Average of three axes.
CAS DataBase Reference :7440-56-4(CAS DataBase Reference)
NIST Chemistry Reference :Germanium(7440-56-4)
EPA Substance Registry System :Germanium (7440-56-4)
Safety Information
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Description
Germanium is a chemical element which naturally reacts and forms complexes with oxygen in nature. It has a high index of refraction and low optical dispersion. Germanium can be combined with silicon to form alloys that are rapidly becoming an important semiconductor material, for use in high speed integrated circuits.More related product prices
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