Tetraethylgermanium

Tetraethylgermanium
Structural formula of tetraethylgermanium
Ball-and-stick model of the tetraethylgermanium molecule
Names
IUPAC name
Tetraethylgermanium
Identifiers
597-63-7 N
3D model (Jmol) Interactive image
Abbreviations TEG
ChemSpider 11211 YesY
ECHA InfoCard 100.009.006
EC Number 209-905-7
PubChem 11703
RTECS number LY5290000
UN number 1993
Properties
C8H20Ge
Molar mass 188.88 g·mol−1
Appearance Colourless liquid
Density 0.998 g cm−3
Boiling point 163 to 165 °C (325 to 329 °F; 436 to 438 K)
Hazards
Xn
R-phrases R10, R22, R36/37/38
S-phrases S16, S26, S36
NFPA 704
Flammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasoline) Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g., phosphorus Special hazards (white): no codeNFPA 704 four-colored diamond
3
2
2
Flash point 35 °C (95 °F; 308 K)
Related compounds
Related compounds
 Tetraethyltin

Tetraethyllead

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

Tetraethylgermanium (common name tetraethyl germanium), abbreviated TEG, is an organogermanium compound with the formula (CH3CH2)4Ge. Tetraethylgermanium is an important chemical compound used in vapour deposition of germanium.

Synthesis

Clemens Winkler first reported the compound in 1887 from diethylzinc and germanium tetrachloride, shortly after germanium was discovered in 1887.[1]

References

  1. ↑ Clemens Winkler (1887). "Mittheilungen über des Germanium. Zweite Abhandlung". J. Prak. Chemie. 36: 177–209. doi:10.1002/prac.18870360119. Retrieved 2008-08-20.
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