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Sigma-Aldrich

Gold(I) chloride

99.9% trace metals basis

Synonym(s):

Aurous chloride, Gold monochloride

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About This Item

Linear Formula:
AuCl
CAS Number:
10294-29-8
Molecular Weight:
232.42
EC Number:
233-655-8
MDL number:
MFCD00046175
UNSPSC Code:
12352302
PubChem Substance ID:
24871740
NACRES:
NA.23

Assay

99.9% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: gold

impurities

≤1500 ppm Trace Metal Analysis

mp

289 °C (dec.) (lit.)

density

7.57 g/mL at 25 °C (lit.)

SMILES string

[Cl-].[Au+]

InChI

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

InChI key

FDWREHZXQUYJFJ-UHFFFAOYSA-M

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General description

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.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H314,H317

Hazard Classifications

Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Gold-Catalyzed Cycloisomerization of Siloxy Enynes to Cyclohexadienes
Liming Zhang and Sergey A. Kozmin
Journal of the American Chemical Society, 126, 11806-11807 (2004)
Based on magnetic nanoparticles: Gold reusable nanomagnetic catalysts in organic synthesis
Mosstafa Kazemi
Synthetic Communications, 50, 2079-2094 (2020)
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)
A comparative study of galvanic replacement reactions involving Ag nanocubes and AuCl2? or AuCl4?
Au L, et al.
Advanced Materials, 20(13), 2517-2517 (2008)
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