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349283

Sigma-Aldrich

Gold

wire, diam. 0.1 mm, 99.99% trace metals basis

Synonym(s):

Gold Powder, Gold black, Gold element

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5 G
$130.00
25 G
$519.00

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5 G
$130.00
25 G
$519.00

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:
24861643
NACRES:
NA.23

$130.00

In StockDetails

Request a Bulk Order

Assay

99.99% trace metals basis

form

wire

resistivity

2.05 μΩ-cm, 0°C

diam.

0.1 mm

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
SMB01081SMB01051SMB01083
Methyl 2,5-Dihydroxycinnamate ≥90% (LC/MS-ELSD)

SMB01013

Methyl 2,5-Dihydroxycinnamate

Ethyl 3,4-Dihydroxycinnamate ≥90% (LC/MS-ELSD)

SMB01081

Ethyl 3,4-Dihydroxycinnamate

Methyl jasminoside ≥90% (LC/MS-ELSD)

SMB01051

Methyl jasminoside

4,5-Di-O-caffeoylquinic acid methyl ester ≥90% (LC/MS-ELSD)

SMB01083

4,5-Di-O-caffeoylquinic acid methyl ester

form

solid

form

solid

form

solid

form

solid

assay

≥90% (LC/MS-ELSD)

assay

≥90% (LC/MS-ELSD)

assay

≥90% (LC/MS-ELSD)

assay

≥90% (LC/MS-ELSD)

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

mol wt

194.18

mol wt

208.21

mol wt

564.54

mol wt

530.48

Application

Gold wires can be used for a variety of applications such as a probe for tip enhanced near-field optical microscopy (TENOM) which can further be used in the detection of fluorescence or Raman emission[1][2] and as a probe that facilitates the electrical conductivity of the metallic composites.[3]

Quantity

150 mg = 1 m; 750 mg = 5 m

Storage Class Code

11 - 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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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ9667
MKCK9365
MKCK8842
MKCJ8884
MKCJ5449

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Stretchable gold conductors on elastomeric substrates
Lacour S, et al.
Applied Physics Letters, 82(15), 2404-2406 (2003)
Apertureless near-field/far-field CW two-photon microscope for biological and material imaging and spectroscopic applications
Nowak DB, et al.
Applied Optics, 49(35), 6766-6771 (2010)
Enhanced image contrast with delocalized near-field excitation
Sanchez E, et al.
Crystal Research and Technology, 49(9), 681-689 (2014)
Tianxun Gong et al.
Journal of biomedical nanotechnology, 9(6), 985-991 (2013-07-19)
In this paper, we proposed the use of gold nanoparticles as plasmon scattering probes for dark-field multiplex imaging of live cancer cells. By carefully engineering the surfaces, aqueous dispersions of anti-EGFR antibody-conjugated gold nanospheres and gold nanorods are prepared. We
Tae-Sik Cho et al.
Journal of nanoscience and nanotechnology, 13(5), 3711-3714 (2013-07-19)
The crystallization of Au/glass ultrathin films for surface plasmon resonance (SPR) biosensor has been studied using synchrotron X-ray scattering and field emission scanning electron microscope. In films thinner than 30 nm, crystallized Au grains with [111] preferred orientation were formed
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