germanium

• ChemBase ID: 106988
• Molecular Formular: Ge
• Molecular Mass: 72.64
• Monoisotopic Mass: 73.921177
• SMILES: [Ge]
• Canonical SMILES: [Ge]
• InChI: InChI=1S/Ge
• InChIKey: GNPVGFCGXDBREM-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: germanium
• IUPAC Traditional name: germanium
• Synonyms: GERMANIUM, POWDER; Germanium; Germanium tetrahydride; Germanomethane; Monogermane; Germane; 锗

Database IDs

• CAS Number: 7782-65-2; 7440-56-4
• EC Number: 231-164-3
• MDL Number: MFCD00085310
• PubChem SID: 24852164; 24859656; 24852165; 162092932; 24855958
• PubChem CID: 23984; 6326954
• CHEBI ID: 30443
• Chemspider ID: 22420
• KEGG ID: C15472
• Wikipedia Title: Germane

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 0.0
• LogD (pH = 7.4): 0.0
• Log P: 0.0
• Molar Refractivity: 0.0 cm^3
• Polarizability: 3.768336 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: low in water
• Apperance: chips; Colorless gas; powder
• Melting Point: −165 °C (108 K); 937 °C(lit.)
• Boiling Point: −88 °C (185 K); 2830 °C(lit.)
• Density: 3.3 kg/m^3 gas; 5.35 g/mL at 25 °C(lit.)
• Resistivity: 53000 μΩ-cm, 20°C

Safety Information

• RTECS: LY4900000; LY5200000
• European Hazard Symbols: Flammable (F); Irritant (Xi)
• UN Number: 2192; 3089
• German water hazard class: 3
• Hazard Class: 4.1
• Packing Group: 2
• Risk Statements: 11; 36/37/38
• Safety Statements: 26-36/39
• EU Index: Not listed
• GHS Pictograms: GHS02; GHS07
• GHS Signal Word: Danger; Warning
• Main Hazard: Toxic, flammable
• NFPA704:
  

  4

  4

  3
• GHS Hazard statements: H228; H315-H319-H335
• GHS Precautionary statements: P210; P261-P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 3089 4.1/PG 2

Product Information

• Purity: ≥99%; ≥99.99% trace metals basis; ≥99.999% trace metals basis; 99.999%; 99.999% trace metals basis
• Particle Size: ≥3 mm; -100 mesh
• Empirical Formula (Hill Notation): Ge

DETAILS

MP Biomedicals - 05202154

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 203351

Packaging
10, 50 g in poly bottle

Sigma Aldrich - 327395

Packaging
5, 25 g in poly bottle

Sigma Aldrich - 203343

Packaging
5, 25 g in poly bottle

Sigma Aldrich - 263230

Packaging
10, 50 g in poly bottle