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255734

Sigma-Aldrich

Gold

powder, <850 μm, ≥99.99% trace metals basis

Synonym(s):

Gold Powder, Gold element

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About This Item

Empirical Formula (Hill Notation):
Au
CAS Number:
7440-57-5
Molecular Weight:
196.97
EC Number:
231-165-9
MDL number:
MFCD00003436
UNSPSC Code:
12141717
PubChem Substance ID:
24855476
NACRES:
NA.23

Quality Level

100

Assay

≥99.99% trace metals basis

form

powder

resistivity

2.05 μΩ-cm, 0°C

particle size

<850 μm

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

Application

Applied in the synthesis of new low-dimensional, quaternary gold selenophosphate compounds, A3AuP2Se8 (a=Rb, K, Cs) and A2Au2P2Se6 (a=Rb, K).

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

255734-1G:
255734-VAR:
255734-250MG:
255734-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCM4885
MKCL2032
MKCF4525
MKCF2207
MKCC6337

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Chondroudis, K. et al.
Inorganic Chemistry, 36, 2623-2623 (1997)
Yoon-Chae Nah
Journal of nanoscience and nanotechnology, 13(5), 3470-3473 (2013-07-19)
Au nanoparticles and poly(3-hexylthiophene) (P3HT) composite films were prepared by electrodeposition of Au nanoparticles using pulse-current electrodeposition followed by the spin coating of P3HT and their enhanced electrochromic coloration was investigated. A relatively uniformed Au nanoparticle was obtained by the
Young Min Bae et al.
Journal of biomedical nanotechnology, 9(6), 1060-1064 (2013-07-19)
We report on the enhancement of sensitivity of SPR biosensor by modifying the metal surface. A mixture layer, in which gold and dielectric medium coexist, was simply prepared by increasing the roughness of gold surface deposited onto a glass substrate
Midas touch in cardiology.
Marianna Karamanou et al.
European heart journal, 34(20), 1463-1464 (2013-07-11)
Young Joo Choi et al.
Journal of nanoscience and nanotechnology, 13(6), 4437-4445 (2013-07-19)
Gold nanorods (Au NRs) that absorb near-infrared (NIR) light have great potential in the field of nanomedicine. Photothermal therapy (PTT), a very attractive cancer therapy in nanomedicine, combines nanomaterials and light. The aim of this study was to elucidate the
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