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447609

Sigma-Aldrich

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:
993-52-2
Molecular Weight:
235.49
MDL number:
MFCD00047989
UNSPSC Code:
12352103
PubChem Substance ID:
24868349
NACRES:
NA.23

grade

technical grade

form

liquid

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.)

SMILES string

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

InChI

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

InChI key

HLEHOFVKHRHBQI-UHFFFAOYSA-N

Related Categories

General description

Hexamethyldigermanium (IV) (HMGe) is a versatile compound used in the synthesis of a variety of organogermanium compounds, drugs, and catalysts.

Application

Hexamethyldigermanium (IV) used:
  • To synthesize digermanylated N-heterocycle compounds.
  • For the C–H germylation of nonterminal alkenes and aryl iodides.
  • To synthesize Ge Nanowires, Ge composites with other metals using low pressure chemical vapor deposition(LPCVD).

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk_germany

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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)
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)
Journal of the Chemical Society. Chemical Communications, 1236-1236 (1990)

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