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CAS No 7782-65-2 , germanium

  • Name: germanium
  • Synonyms: Germanium element;germanium; 7782-65-2; germanio; Germanium; Ge(4+); EINECS 231-164-3; 7440-56-4; germide; HSDB 2118; metal powder;
  • CAS Registry Number:
  • Transport: 2192
  • Density: 1,53 g/cm3
  • Water Solubility: Insoluble IN WATER
  • Safety Statements: Poison by inhalation. Moderately toxic by ingestion. A hemolytic gas. Ignites spontaneously in air. Incompatible with Br2. See also GERMANIUM.
  • Hazard Symbols: Toxic material. TLV: 0.2 ppm.
  • EINECS: 231-961-6
  • Molecular Weight: 72.64
  • InchiKey: GNPVGFCGXDBREM-UHFFFAOYSA-N
  • InChI: InChI=1S/Ge
  • Risk Statements: 17-21/22-23
  • Molecular Formula: Ge
  • Molecular Structure:CAS No:7782-65-2 germanium
References of germanium
Title: Germane
CAS Registry Number: 7782-65-2
Synonyms: Germanium hydride
Molecular Formula: GeH4
Molecular Weight: 76.67
Percent Composition: Ge 94.74%, H 5.26%
Literature References: Prepd by the action of lithium aluminum hydride on a germanium halide in ether soln: Finholt et al., J. Am. Chem. Soc. 69, 2692 (1947); by reduction of GeO2 by sodium hydoborate: Griffiths, Inorg. Chem. 2, 375 (1963).
Properties: Colorless gas. mp -165°, bp -90°, d4-142 1.523. Slightly sol in hot hydrochloric acid, dec in nitric acid.
Melting point: mp -165°
Boiling point: bp -90°
Density: d4-142 1.523
CAUTION: Potential symptoms of overexposure are malaise, headache, giddiness, fainting; dyspnea; nausea, vomiting; kidney injury; hemolytic effects. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 150.