Germanium Nanorods

• CAS: 7440-56-4
• Catalog Number: ACM7440564-3
• Category: Nanorods
• Molecular Weight: 72.61
• Molecular Formula: Ge
• Description: PelletsLargeCrystals, WetSolid, OtherSolid
• IUPAC Name: germanium
• Canonical SMILES: [Ge]
• InChI: InChI=1S/Ge
• InChI Key: GNPVGFCGXDBREM-UHFFFAOYSA-N
• Boiling Point: 2830°C
• Melting Point: 937.4°C
• Density: 5.323 g/cm³
• Solubility: INSOL IN WATER, HYDROCHLORIC ACID, DIL ALKALI HYDROXIDES;SOL IN HOT SULFURIC ACID, AQUA REGIA; INSOL IN ALKALI
• Appearance: Black Lump
• Color/Form: GRAYISH-WHITE, LUSTROUS, BRITTLE METALLOID; DIAMOND-CUBIC STRUCTURE WHEN CRYSTALLINE
• Complexity: 0
• Covalently-Bonded Unit Count: 1
• EC Number: 231-164-3
• Electrical Resistivity: microhm-cm @ 20°C
• Electronegativity: 1.8 Paulings
• Exact Mass: 73.921178g/mol
• Formal Charge: 0
• Hazard Codes: H228
• H-Bond Acceptor: 0
• H-Bond Donor: 0
• Heat of Fusion: 8.3 Cal/gm mole
• Heat of Vaporization: 68 K-cal/gm atom at 2830°C
• Heavy Atom Count: 1
• MDL Number: MFCD00085310
• Monoisotopic Mass: 73.921178g/mol
• Other Experimental: THERMAL EXPANSION COEFFICIENT AT APPROX 25 °C: 6.1X10-6 °C; THERMAL CONDUCTIVITY @ 25 °C: 0.14 CAL/SEC CM/DEG C; SPECIFIC HEAT (0-100 °C): 0.074 CAL/G/DEG C;LATTICE CONSTANT @ 25 DEG: 5.657X10-8 CM; VOL COMPRESSIBILITY: 1.3X10-12 SQ CM/DYN; DIELECTRIC CONSTANT: 16; MAGNETIC (MASS) SUSCEPTIBILITY (CHI X10+6)= -0.12;COVALENT BOND IONIZATION ENERGY @ 0 DEG K= 1.2 ELECTRON VOLT; BAND GAP: 0.67 ELECTRON VOLT; ATOMS/CC= 4.42X10+22; IMPURITY ATOM IONIZATION ENERGY: APPROX 0.01 ELECTRON VOLT; INTRINSIC RESISTIVITY @ 300 DEG K= 47 OHM-CM;ELECTRON MOBILITY @ 300 DEG K: 3900 SQ CM/V SEC; HOLE MOBILITY @ 300 DEG K= 1900 CM/V SEC; HOLE DIFFUSION CONSTANT @ 300 DEG K= 49;INTRINSIC CHARGE DENSITY @ 300 DEG K= 2.4X10+13; ELECTRON DIFFUSION CONSTANT @ 300 DEG K= 100;IS HIGHLY TRANSPARENT TO INFRARED LIGHT; HAS A HIGH INDEX OF REFRACTION;THE METAL & MANY OF ITS ALLOYS EXPAND ON SOLIDIFICATION;FIVE NATURALLY OCCURRING ISOTOPES: 70 (20.55%); 72 (27.37%); 73 (7.67%); 74 (36.74%); 76 (7.67%); ATOMIC NUMBER 32;POOR CONDUCTOR OF ELECTRICITY; VOL SMALLER BY FEW % WHEN MOLTEN; ATTACKED BY AQUA REGIA, CONCN NITRIC OR SULFURIC ACIDS, FUSED ALKALIES, ALKALI PEROXIDES, NITRATES, OR CARBONATES;HARDNESS 6 ON MOHS SCALE;Liquid molar volume = 0.013001 cu m/kmol determined at the triple point.;IG heat of formation = 3.766X10+8 J/kmol (ideal gas); for the crystal the enthalpy of formation is 0 at 298.15 K.;Heat of fusion at melting point = 3.18X10+7 J/kmol.
• Precautionary Statements: P210
• Ratio: 0.26
• Rotatable Bond Count: 0
• RTECS Number: LY5200000
• Signal Word: Danger
• Specific Heat: 0.077 Cal/g/K @ 25°C
• Stability: RELATIVELY STABLE, UNAFFECTED BY AIR, BECOMES OXIDIZED ABOVE 600 °C
• Thermal Conductivity: 0.602 W/cm/K @ 302.93 K
• Thermal Expansion: 6.0 µm/(m·K)
• UNII: 619P6J82AE;00072J7XWS
• UN Number: UN 3089 4.1 / PGII
• Vapor Pressure: 0 mm Hg @ 25 °C
• Young's Modulus: 103 GPa

Custom Q&A

What is the molecular formula of Germanium?

The molecular formula of Germanium is Ge.

What is the molecular weight of Germanium?

The molecular weight of Germanium is 72.63 g/mol.

What is the IUPAC Name of Germanium?

The IUPAC Name of Germanium is germanium.

What is the InChIKey of Germanium?

The InChIKey of Germanium is GNPVGFCGXDBREM-UHFFFAOYSA-N.

What is the canonical SMILES of Germanium?

The canonical SMILES of Germanium is [Ge].

What is the CAS number of Germanium?

The CAS number of Germanium is 7440-56-4.

What is the EC number of Germanium?

The EC number of Germanium is 231-164-3.

What is the UNII of Germanium?

The UNII of Germanium is 00072J7XWS.

What is the DSSTox Substance ID of Germanium?

The DSSTox Substance ID of Germanium is DTXSID8052483.

What is the Wikipedia page of Germanium?

The Wikipedia page of Germanium can be found at Wikipedia.org/Germanium.