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Merck
CN

447609

Hexamethyldigermanium(IV)

technical grade

Synonym(s):

1,1,1,2,2,2-Hexamethyldigermane, Hexamethyldigermane

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About This Item

Linear Formula:
(CH3)3GeGe(CH3)3
CAS Number:
Molecular Weight:
235.49
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
MDL number:
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InChI

1S/C6H18Ge2/c1-7(2,3)8(4,5)6/h1-6H3

SMILES string

C[Ge](C)(C)[Ge](C)(C)C

InChI key

HLEHOFVKHRHBQI-UHFFFAOYSA-N

grade

technical grade

Quality Level

reaction suitability

core: germanium

refractive index

n20/D 1.456 (lit.)

bp

137-138 °C (lit.)

mp

−40 °C (lit.)

density

1.175 g/mL at 25 °C (lit.)

General description

Hexamethyldigermanium (Ge₂(CH₃)₆) is a volatile, moisture-sensitive organogermanium compound characterized by its Ge–Ge bond and six methyl groups. This compound exhibits high thermal stability and volatility, making it a promising candidate as a precursor in chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes for the fabrication of germanium-containing thin films. Its organometallic nature allows for controlled decomposition pathways, facilitating the deposition of high-purity germanium layers essential in semiconductor and optoelectronic applications.

Application

Hexamethyldigermanium can be used as:
  • A precursor in CVD processes for depositing germanium thin films. Its volatility and thermal properties enable the formation of uniform Ge layers on various substrates, which are crucial for semiconductor devices.
  • A precursor in the synthesis of germanium-based nanostructures, where its controlled decomposition can lead to the formation of nanowires or nanoparticles with applications in electronics and photonics.
  • A precursor material in the preparation of germanium-containing polymers or materials, where its reactivity can be harnessed to introduce Ge units into polymer backbones or frameworks.

Features and Benefits

Hexamethyldigermanium can be used as:
  • A precursor in CVD processes for depositing germanium thin films. Its volatility and thermal properties enable the formation of uniform Ge layers on various substrates, which are crucial for semiconductor devices.
  • A precursor in the synthesis of germanium-based nanostructures, where its controlled decomposition can lead to the formation of nanowires or nanoparticles with applications in electronics and photonics.
  • A precursor material in the preparation of germanium-containing polymers or materials, where its reactivity can be harnessed to introduce Ge units into polymer backbones or frameworks.

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Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

57.2 °F - closed cup

flash_point_c

14 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Formation of Cu 1-x Ge x Nanoplatelets Using LPCVD of Ge2Me6 or Ge2Me6/Et4 Pb Mixture
V. Drinek, et al.
NANO, 10, 1550061-1550061 (2015)
Pd-Catalyzed Hydroxyl-Directed Cascade Hydroarylation/C?H Germylation of Nonterminal Alkenes and Aryl Iodides
Chun-Yan Wu, et al.},
The Journal of Organic Chemistry, 87, 9184-9196 (2022)
Palladium-Catalyzed Disilylation and Digermanylation of Alkene Tethered Aryl Halides: Direct Access to Versatile Silylated and Germanylated Heterocycles
Marco Wollenburg, et al.
Organic Letters, 22, 3679-3683 (2020)
Journal of the Chemical Society. Chemical Communications, 1236-1236 (1990)

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