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298115

Sigma-Aldrich

Potassium dicyanoaurate(I)

98%

Synonym(s):

Gold (I) potassium cyanide, Potassium gold cyanide

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About This Item

Linear Formula:
KAu(CN)2
CAS Number:
13967-50-5
Molecular Weight:
288.10
Beilstein/REAXYS Number:
6235525
EC Number:
237-748-4
MDL number:
MFCD00011414
UNSPSC Code:
12352302
PubChem Substance ID:
24857959
NACRES:
NA.23

assay

98%

form

solid

density

3.45 g/mL at 25 °C (lit.)

SMILES string

[K+].N#C[Au-]C#N

InChI

1S/2CN.Au.K/c2*1-2;;/q;;-1;+1

InChI key

OQHPFUBKFKRHKZ-UHFFFAOYSA-N

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General description

Potassium dicyanoaurate, also known as potassium gold cyanide. It is a water-soluble salt that is commonly used in gold electroplating, as a precursor for the synthesis of other gold compounds, and in certain chemical processes.

Application

Potassium dicyanoaurate(I) can be used as:     
  • A precursor in the synthesis of gold nanoparticles and nanowires, which are crucial for applications in electronics, photonics, and catalysis     
  • An electrolyte in the potentiostatic deposition of gold nanowires, which are used in electronics and photonics.    
  • A key component in the production of conductive inks and coatings, which are essential for printed circuit boards and other electronic components.
  • A catalyst in certain chemical reactions.

pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1

supp_hazards

EUH032

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP2242
MKCN8491
MKCN2400
MKCN1073
MKCM5056

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Synthesis of gold nanowires with controlled crystallographic characteristics.
Karim S, et al.
Applied Physics. A, Materials Science & Processing, 84(4), 403-407 (2006)
Philip M Yangyuoru et al.
Journal of inorganic biochemistry, 102(3), 576-583 (2008-02-08)
Electrospray ionization spectra of potential cyanide-containing gold-drug metabolites revealed additional, weak, unanticipated peaks at approximately twice the mass of the gold(I) and gold(III) cyanide complexes. The exact masses correspond to proton-linked bimetallic complexes, [H[Au(CN)(m)](2)](-), (m=2,4). Further investigation revealed a total
S Ishikawa et al.
Applied biochemistry and biotechnology, 70-72, 719-728 (1998-06-17)
Animal fibrous proteins (AFPs) such as egg-shell membrane (ESM), chicken feather (CF), wool, silk, or elastin are an intricate network of stable and water-insoluble fibers with high surface area and are abundant bioresources. Every AFP tested was found to accumulate
G G Graham et al.
Biochemical pharmacology, 56(3), 307-312 (1998-09-23)
There is considerable evidence that the anti-rheumatic gold complexes are activated by their conversion to aurocyanide. In order to understand the mechanism of production of aurocyanide, we investigated the involvement of myeloperoxidase in the reaction. This haem enzyme of neutrophils
Hong-ping Tang et al.
Guang pu xue yu guang pu fen xi = Guang pu, 24(6), 752-755 (2005-03-16)
Quaternary ammonium salt has strong affinity with gold in cyanide solutions, but it is not readily stripped. Stripping with acidic thiourea solutions and air sparging shows promise. There are some reports on the process of thiourea stripping, but little about
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