CAS 13573-08-5 Germanium(II) Iodide - Materials / Alfa Chemistry

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Germanium(II) Iodide

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Catalog Number

ACM13573085

CAS Number

13573-08-5

Product Name

Germanium(II) Iodide

Structure

Category

Electrolytes

Synonyms

Germanium(II) diiodide

Molecular Weight

326.44

Molecular Formula

GeI₂

Canonical SMILES

[Ge](I)I

InChI

InChI=1S/GeI2/c2-1-3

InChI Key

IAGYEMVJHPEPGE-UHFFFAOYSA-N

Boiling Point

545 °C

Melting Point

460 °C

Purity

99%+

Density

5.37 g/mL at 25 °C (lit.)

Solubility

Soluble in dilute hydrochloric acid

Appearance

Orange-yellow hexagonal crystals

Application

Germanium(II) iodide serves multiple purposes in chemical applications, primarily as a versatile reagent involved in the formation of stable ionic adducts with carbenes. This yellow to gold flake or powder exhibits unique solubility properties; it can dissolve in cold water, concentrated hydriodic acid, and dilute acid, while displaying limited solubility in chloroform and carbon tetrachloride and remaining insoluble in carbon disulfide. Notably, it decomposes in hot water and reacts with ammonia solutions to form imine germanium, while sublimating at 240°C under vacuum. In synthetic chemistry, germanium(II) iodide is pivotal in the preparation of allylgermanes through its reaction with allylstannanes and facilitates the formation of homoallylic alcohols via its interaction with allyl bromide in the presence of zinc iodide followed by reactions with carbonyl compounds. Moreover, germanium(II) iodide is employed to achieve high yields of germanium nanocrystals, highlighting its role as an efficient catalyst in various reaction pathways. Its stability in dry air contrasts with its propensity to undergo hydrolysis in moist air, underscoring its reactivity and utility in diverse chemical environments.

Storage

Under inert gas (nitrogen or Argon) at 2-8 °C

Complexity

2.8

Exact Mass

327.73012

Heavy Atom Count

Monoisotopic Mass

327.73012

Topological Polar Surface Area

0 Å²

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