Germanium

$40.4 - $6820

Price

Brand	Packaging	Price	Product name
Chem-Impex 47080	5G	$405	Germanium nanopowder (20-50 nm)
Chem-Impex 47079	25G	$429.4	Germanium nanopowder (200 nm)
Chem-Impex 47080	25G	$1004.4	Germanium nanopowder (20-50 nm)
Chem-Impex 47079	100G	$1313.9	Germanium nanopowder (200 nm)
ProChem 1909	10g	$135	Germanium, powder, -10 Mesh
ProChem 1909	50g	$635	Germanium, powder, -10 Mesh
ProChem 1906	10gm	$75	Germanium,pieces,3-9mmProduct#Purity
ProChem 1906	10gm	$75	Germanium, pieces, 3-9 mm Product # Purity
ProChem 1906	10g	$150	Germanium, pieces, 3-9 mm
ProChem 1909	10gm	$160	Germanium, powder, -10 Mesh Product # Purity

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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)
Specific Heat Capacity	Cp(crystal): 0.32 J/(g·K); Cp(gas): 0.42 J/(g·K), at 25℃
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)