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Germane information


Germane
Structural formula of germane
Ball-and-stick model of the germane molecule
Ball-and-stick model of the germane molecule
Space-filling model of the germane molecule
Space-filling model of the germane molecule
  Germanium, Ge
  Hydrogen, H
Names
IUPAC name
Germane
Other names
Germanium tetrahydride
Germanomethane
Monogermane
Identifiers
CAS Number
  • 7782-65-2 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:30443 checkY
ChemSpider
  • 22420 checkY
ECHA InfoCard 100.029.055 Edit this at Wikidata
EC Number
  • 231-961-6
Gmelin Reference
587
KEGG
  • C15472 checkY
PubChem CID
  • 23984
RTECS number
  • LY4900000
UNII
  • 619P6J82AE checkY
UN number 2192
CompTox Dashboard (EPA)
  • DTXSID7052521 Edit this at Wikidata
InChI
  • InChI=1S/GeH4/h1H4 checkY
    Key: QUZPNFFHZPRKJD-UHFFFAOYSA-N checkY
  • InChI=1/GeH4/h1H4
    Key: QUZPNFFHZPRKJD-UHFFFAOYAE
SMILES
  • [H][Ge]([H])([H])[H]
Properties
Chemical formula
GeH4
Molar mass 76.62 g/mol
Appearance Colorless gas
Odor Pungent[1]
Density 3.3 kg/m3
Melting point −165 °C (−265 °F; 108 K)
Boiling point −88 °C (−126 °F; 185 K)
Solubility in water
Low
Vapor pressure >1 atm[1]
Viscosity 17.21 μPa·s
(theoretical estimate)[2]
Structure
Molecular shape
Tetrahedral
Dipole moment
0 D
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Toxic, flammable, may ignite spontaneously in air
GHS labelling:
Pictograms
GHS02: FlammableGHS04: Compressed GasGHS06: ToxicGHS07: Exclamation mark
Signal word
Danger
Hazard statements
H220, H280, H302, H330
Precautionary statements
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)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxideSpecial hazards (white): no code
4
4
3
NIOSH (US health exposure limits):
PEL (Permissible)
None[1]
REL (Recommended)
TWA 0.2 ppm (0.6 mg/m3)[1]
IDLH (Immediate danger)
N.D.[1]
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

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.

  1. ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0300". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ Yaws, Carl L. (1997), Handbook Of Viscosity: Volume 4: Inorganic Compounds And Elements, Gulf Professional Publishing, ISBN 978-0123958501

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