Germanium tetrachloride

Germanium tetrachloride
Germanium tetrachloride - structural formula
Germanium tetrachloride - structural formula
Germanium tetrachloride - space-filling model
Germanium tetrachloride - space-filling model
Names
IUPAC names
Germanium tetrachloride
Tetrachlorogermane
Tetrachloridogermanium
Other names
Germanium(IV) chloride
Neutral germanium chloride (1:4)
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.093 Edit this at Wikidata
RTECS number
  • LY5220000
UNII
  • InChI=1S/Cl4Ge/c1-5(2,3)4 checkY
    Key: IEXRMSFAVATTJX-UHFFFAOYSA-N checkY
  • InChI=1S/Cl4Ge/c1-5(2,3)4
    Key: IEXRMSFAVATTJX-UHFFFAOYSA-N
  • Cl[Ge](Cl)(Cl)Cl
Properties
GeCl4
Molar mass 214.40 g/mol
Appearance Colourless liquid
Density 1.879 g/cm3 (20 °C)
1.844 g/cm3 (30 °C)[1]
Melting point −49.5 °C (−57.1 °F; 223.7 K)
Boiling point 86.5 °C (187.7 °F; 359.6 K)
Soluble, hydrolyses
Solubility Soluble in ether, benzene, chloroform, CCl4
Very soluble in HCl, dilute H2SO4
−72.0·10−6 cm3/mol
1.464
Structure
tetrahedral[2]
Thermochemistry[3]
245.6 J·mol−1·K−1
−531.8 kJ·mol−1
−462.7 kJ·mol−1
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Reacts slowly with water to form HCl and GeO2, corrosive, lachrymator
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
3
0
2
Flash point Non-flammable
Safety data sheet (SDS) "External MSDS"
Related compounds
Other anions
Germanium tetrafluoride
Germanium tetrabromide
Germanium tetraiodide
Other cations
Carbon tetrachloride
Silicon tetrachloride
Tin(IV) chloride
Lead(IV) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Germanium tetrachloride is a colourless, fuming liquid[4] with a peculiar, acidic odour. It is used as an intermediate in the production of purified germanium metal. In recent years, GeCl4 usage has increased substantially due to its use as a reagent for fiber optic production.

  1. ^ P.W. Schenk (1963). "Germanium(IV) Chloride". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 1. NY, NY: Academic Press. pp. 715–716.
  2. ^ Merz, K.; Driess, M. (2002). "Germanium(IV) chloride at 193 K". Acta Crystallogr. C. 58 (Pt 7): i101–i102. doi:10.1107/S0108270102010351. PMID 12094027.
  3. ^ CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. William M. Haynes, David R. Lide, Thomas J. Bruno (2016-2017, 97th ed.). Boca Raton, Florida. 2016. ISBN 978-1-4987-5428-6. OCLC 930681942.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)
  4. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 377. ISBN 978-0-08-037941-8.