Gold

Name: Gold
Brand: ALDRICH

rod, diam. 3.0 mm, 99.99% trace metals basis

Synonym(s):

Gold Powder, Gold element

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About This Item

Empirical Formula (Hill Notation):

CAS Number:

7440-57-5

Molecular Weight:

196.97

NACRES:

NA.23

PubChem Substance ID:

24856108

UNSPSC Code:

12141717

EC Number:

231-165-9

MDL number:

MFCD00003436

Key Documents

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Product Name

Gold, rod, diam. 3.0 mm, 99.99% trace metals basis

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

InChI

1S/Au

SMILES string

[Au]

assay

99.99% trace metals basis

form

rod

resistivity

2.05 μΩ-cm, 0°C

diam.

3.0 mm

bp

2808 °C (lit.)

mp

1063 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

Quality Level

100

Related Categories

Energy Materials

Gold Compounds

High-Purity Metals & Alloys

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This Item	326526	326534	265780
Sigma-Aldrich 265837 Gold	Sigma-Aldrich 326526 Gold	Sigma-Aldrich 326534 Gold	Sigma-Aldrich 265780 Gold
assay 99.99% trace metals basis	assay 99.99% trace metals basis	assay ≥99.9% trace metals basis	assay 99.99% trace metals basis
form rod	form wire	form wire	form wire
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
bp 2808 °C (lit.)	bp 2808 °C (lit.)	bp 2808 °C (lit.)	bp 2808 °C (lit.)
mp 1063 °C (lit.)	mp 1063 °C (lit.)	mp 1063 °C (lit.)	mp 1063 °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.)

Preparation Note

3 g = 2.2 cm; 15 g = 11 cm

Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Thickness dependence of the crystallization of Au/glass ultrathin films.

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

Cytotoxicity and genotoxicity induced by photothermal effects of colloidal gold nanorods.

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

Simulation study on gold nanoparticle-cellular membrane complex in endocytosis process.

Fengxian Zheng et al.

Journal of nanoscience and nanotechnology, 13(6), 3990-3998 (2013-07-19)

Gold nanoparticles (AuNPs) are of biomedical importance, such as delivery vectors. Therefore, we used all-atom molecular dynamic simulations to study the interaction of AuNPs with cell membrane (DMPC bilayer). We observed that the AuNPs adhered spontaneously on the surface of

Multifunctional phosphine stabilized gold nanoparticles: an active catalytic system for three-component coupling reaction.

Bibek Jyoti Borah et al.

Journal of nanoscience and nanotechnology, 13(7), 5080-5087 (2013-08-02)

Multifunctional phosphine based ligands, 1,1,1-tris(diphenylphosphinomethyl)ethane [CH3C(CH2 PPh2)3][P3] and 1,1,1-tris(diphenylphosphinomethyl)ethane trisulphide [CH3C(CH2P(S)Ph2)3][P3S3] have been introduced to stabilize Au(o)-nanoparticles having small core diameter and narrow size distribution. The Au(o)-nanoparticles were synthesized by the reduction of HAuCl4 precursor with NaBH4 in the presence

Testing and modeling the influence of reclamation and control methods for reducing nonpoint mercury emissions associated with industrial open pit gold mines.

Matthieu B Miller et al.

Journal of the Air & Waste Management Association (1995), 63(6), 681-693 (2013-07-19)

Industrial gold mining is a significant source of mercury (Hg) emission to the atmosphere. To investigate ways to reduce these emissions, reclamation and dust and mercury control methods used at open pit gold mining operations in Nevada were studied in

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