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481130

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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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
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)
The crystal structure of gold(III) chloride.
Clark ES, et al.
Acta Crystallographica, 11, 284-288 (1958)
Synthesis and optical properties of cubic gold nanoframes
Au L, et al.
Nano Research, 1(6), 441-449 (2008)
Martin A Prusinkiewicz et al.
The Analyst, 137(21), 4934-4942 (2012-08-18)
High spatial resolution methods to assess the physiology of growing cells should permit analysis of fungal biochemical composition. Whole colony methods cannot capture the details of physiology and organism-environment interaction, in part because the structure, function and composition of fungal
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