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Merck
CN

379867

Potassium dicyanoaurate(I)

99.95% trace metals basis

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
UNSPSC Code:
12352302
NACRES:
NA.23
PubChem Substance ID:
24863695
EC Number:
237-748-4
Beilstein/REAXYS Number:
6235525
MDL number:
MFCD00011414
Assay:
99.95% trace metals basis
Form:
crystalline

Key Documents

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InChI key

OQHPFUBKFKRHKZ-UHFFFAOYSA-N

InChI

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

SMILES string

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

assay

99.95% trace metals basis

form

crystalline

reaction suitability

core: potassium

impurities

≤550.0 ppm Trace Metal Analysis

density

3.45 g/mL at 25 °C (lit.)

Quality Level

100

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General description

Potassium dicyanoaurate(I) is an inorganic salt, soluble in water and sparingly soluble in alcohol. It is widely used as an electrolyte in the electrodeposition of gold on various substrates such as thin films and electrodes.

Application

Potassium dicyanoaurate(I) can be used:
  • To prepare gold nanowire array electrodes with fast charge transfer ability.
  • As a supporting electrolyte for the electrodeposition of gold in organic media.
  • To prepare polypyrrole-ClO4 gas sensors with fast response time and high sensitivity to volatile organic compounds.
  • In the electrochemical preparation of gold nanoparticle composites.

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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT2350
MKCR3648
MKCQ5907
MKCS4547
MKCR9628

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Gold electrodeposition in organic media
Lorena M.A. Monzon, et al.},
Journal of Electroanalytical Chemistry, 657, 54-60 (2011)
Gas sensing ability of a nanostructured conducting polypyrrole film prepared by catalytic electropolymerization on Cu/Au interdigital electrodes
Naader Alizadeh, et al.
Electroanalysis, 25, 2181-2192 (2013)
Effects of Nanowire Length on Charge Transport in Vertically Aligned Gold Nanowire Array Electrodes
Hideyuki Nakanishi, et al.
Langmuir, 34, 15674-15680 (2018)
Influence of substrate, additives, and pulse parameters on electrodeposition of gold nanoparticles from potassium Dicyanoaurate
Parisa Vahdatkhah and Sayed Khatiboleslam Sadrnezhaad
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 46, 2584-2592 (2015)
R Silva et al.
Contact dermatitis, 37(2), 78-81 (1997-08-01)
During 1995, we added gold sodium thiosulfate and potassium dicyanoaurate to the patch test standard series. Our purpose was to compare the reactivity of the gold salts, to determine the frequency of contact allergy to gold in our country, to
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