Germane

Germane is the chemical compound with the formula GeH4, and the germanium analogue of methane. It is the simplest germanium hydride and one of the most useful compounds of germanium. Like the related compounds silane and methane, germane is tetrahedral. It burns in air to produce GeO2 and water. Germane is a group 14 hydride.

For a definition of the term "germane", see the Wiktionary entry germane.
Not to be confused with German.
Germane
  Germanium, Ge
  Hydrogen, H
Names
IUPAC name
Germane
Other names
Germanium tetrahydride
Germanomethane
Monogermane
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.029.055
EC Number
  • 231-961-6
587
KEGG
RTECS number
  • LY4900000
UNII
UN number 2192
  • InChI=1S/GeH4/h1H4 Y
    Key: QUZPNFFHZPRKJD-UHFFFAOYSA-N Y
  • InChI=1/GeH4/h1H4
    Key: QUZPNFFHZPRKJD-UHFFFAOYAE
  • [H][Ge]([H])([H])[H]
Properties
GeH4
Molar mass 76.62 g/mol
Appearance Colorless gas
Odor Pungent
Density 3.3 kg/m3
Melting point −165 °C (−265 °F; 108 K)
Boiling point −88 °C (−126 °F; 185 K)
Low
Vapor pressure >1 atm
Viscosity 17.21 μPa·s
(theoretical estimate)
Structure
Tetrahedral
0 D
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Toxic, flammable, may ignite spontaneously in air
GHS labelling:
Danger
H220, H280, H302, H330
P210, P260, P264, P270, P271, P284, P301+P312, P304+P340, P310, P320, P330, P377, P381, P403, P403+P233, P405, P410+P403, P501
NFPA 704 (fire diamond)
4
4
3
NIOSH (US health exposure limits):
PEL (Permissible)
 None
REL (Recommended)
 TWA 0.2 ppm (0.6 mg/m3)
IDLH (Immediate danger)
 N.D.
Safety data sheet (SDS) ICSC 1244
Related compounds
Related compounds
 Methane
Silane
Stannane
Plumbane
Germyl
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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