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481130

Sigma-Aldrich

Gold(I) chloride

99.9% trace metals basis

Synonyme(s) :

Aurous chloride, Gold monochloride

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About This Item

Formule linéaire :
AuCl
Numéro CAS:
Poids moléculaire :
232.42
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352302
ID de substance PubChem :
Nomenclature NACRES :
NA.23

Pureté

99.9% trace metals basis

Forme

powder

Pertinence de la réaction

reagent type: catalyst
core: gold

Impuretés

≤1500 ppm Trace Metal Analysis

Pf

289 °C (dec.) (lit.)

Densité

7.57 g/mL at 25 °C (lit.)

Chaîne SMILES 

[Cl-].[Au+]

InChI

1S/Au.ClH/h;1H/q+1;/p-1

Clé InChI

FDWREHZXQUYJFJ-UHFFFAOYSA-M

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Description générale

Gold(I) chloride is a yellow crystalline solid with a monoclinic structure. It sublimes at elevated temperatures. Gold(III)chloride is thermally decomposed to produce gold(I) chloride. It is widely used as a precursor to prepare gold nanoparticles and catalyst systems.

Application

Gold(I) chloride can be used:
  • As a precursor to prepare magnetic nanocatalyst systems for various organic transformations. For example, Fe3O4@SiO2-P–AuCl can be used as a catalyst for one-pot reductive amination of aldehydes and ketones with various aromatic amines.
  • As a starting material to synthesize Au-containing complexes for application in the field of drug delivery, solar cells, sensors, and organic synthesis.
  • As a precatalyst for stereoselective cycloisomerization of α-thioallenes to 2,5-dihydrothiophenes via C-S bond formation.
  • As a catalyst for the conversion of siloxy cyclohexadienes, to the corresponding1,2- and 1,3-cyclohexenones via Gold-Catalyzed Cycloisomerization.

Pictogrammes

CorrosionExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Skin Corr. 1B - Skin Sens. 1

Code de la classe de stockage

8A - Combustible corrosive hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

The First Gold-Catalyzed C?S Bond Formation: Cycloisomerization of ?-Thioallenes to 2,5-Dihydrothiophenes
Nobuyoshi Morita
Angewandte Chemie (International Edition in English) (2006)
Au-containing coordination polymers based on polyphosphorus ligand complexes
Helena Brake, et al.
Inorganic Chemistry, 60, 6027-6039 (2021)
Based on magnetic nanoparticles: Gold reusable nanomagnetic catalysts in organic synthesis
Mosstafa Kazemi
Synthetic Communications, 50, 2079-2094 (2020)
Gold-Catalyzed Cycloisomerization of Siloxy Enynes to Cyclohexadienes
Liming Zhang and Sergey A. Kozmin
Journal of the American Chemical Society, 126, 11806-11807 (2004)
Víctor S Carriel et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 59(3), 270-277 (2011-03-08)
For the histopathologic diagnosis of melanocytic lesions, it could be necessary to identify the melanin pigment because its visualization is unspecific with hematoxylin-eosin (HE). The Fontana-Masson (FM) technique is used in histopathology in this type of lesion, which allows the

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