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Merck

636347

Gold

nanopowder, <100 nm particle size, 99.9% trace metals basis

Synonym(s):

Gold element

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1 G

CLP 1,210,000

CLP 1,210,000


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About This Item

Empirical Formula (Hill Notation):
Au
CAS Number:
Molecular Weight:
196.97
EC Number:
MDL number:
UNSPSC Code:
11101801
PubChem Substance ID:
NACRES:
NA.23

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Quality Level

Assay

99.9% trace metals basis

form

nanopowder

resistivity

2.05 μΩ-cm, 0°C

particle size

<100 nm

bp

2808 °C (lit.)

mp

1063 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

SMILES string

[Au]

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

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This Item
326542373184265810
form

nanopowder

form

beads

form

evaporation slug

form

foil

assay

99.9% trace metals basis

assay

99.999% trace metals basis

assay

99.99% trace metals basis

assay

99.99% trace metals basis

bp

2808 °C (lit.)

bp

2808 °C (lit.)

bp

2808 °C (lit.)

bp

2808 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

resistivity

2.05 μΩ-cm, 0°C

resistivity

2.05 μΩ-cm, 0°C

resistivity

2.05 μΩ-cm, 0°C

resistivity

2.05 μΩ-cm, 0°C

mp

1063 °C (lit.)

mp

1063 °C (lit.)

mp

1063 °C (lit.)

mp

1063 °C (lit.)

General description

Gold nanoparticles are extensively used as preferred materials for labeling, imaging, sensing, and biomedical applications due to their following unique properties:
  • Ease of synthetic manipulation
  • Strong binding affinity to thiols, disulfides, and amines
  • Unique tunable optical and distinct electronic properties
  • High X-ray absorption coefficient

Application

Gold nanoparticles can be used:
  • As a catalyst in the preparation of single-walled carbon nanotubes by a chemical vapor deposition method.
  • In the preparation of conducting polymer matrix AuNPs/PEDOT: PSS(poly(3,4-ethylenedioxythiophene) polystyrene sulfonate), which is applicable in fuel cell electrocatalysis.
  • To prepare fluorescent nanocomposites for targeted bioimaging.
  • As carriers of signaling antibody in developing optical ELISA for analysis of breast cancer biomarker.

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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CVD synthesis of single-walled carbon nanotubes from gold nanoparticle catalysts.
Sreekar Bhaviripudi et al.
Journal of the American Chemical Society, 129(6), 1516-1517 (2007-02-08)
Cury, L.A. et al.
Synthetic Metals, 139, 283-283 (2003)
Ri-Chao Zhang et al.
Scientific reports, 7, 46682-46682 (2017-04-25)
Conductive polymers have been increasingly used as fuel cell catalyst support due to their electrical conductivity, large surface areas and stability. The incorporation of metal nanoparticles into a polymer matrix can effectively increase the specific surface area of these materials
Adriano Ambrosi et al.
Analytical chemistry, 82(3), 1151-1156 (2010-01-02)
In this work, we developed an optical enzyme-linked immunosorbent assay (ELISA) immunoassay for the analysis of CA15-3 antigen, an important biomarker present in blood samples and useful for the follow-up of the medical treatment of breast cancer. Gold nanoparticles (AuNPs)
Wenyao Lin et al.
Virology journal, 8, 273-273 (2011-06-07)
Avian influenza viruses of H9N2 subtype have become highly prevalent in avian species. Although these viruses generally cause only mild to moderate disease, they can infect a wide variety of species, including chickens, quail, turkeys, ducks, geese, pheasant, partridge, and

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Flame spray synthesis allows the scalable fabrication of many mixed oxide, salt, metal, carbon-coated metal, silica-coated metal oxide or even metal-ceramic composite nanoparticles.

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This thematic issue focuses on the emerging applications of nanomaterials. Nanomaterials are defined as substances with at least one dimension smaller than 100 nm.

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