Nanoscientifica Gold Single-Crystal Particles

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Volume: 1 mL. For larger volumes, please inquire

CAS Number: 7440-57-5
EC: Number: 231-165-9
- Solvent carrier: Water
- Capping agent: Cetyltrimethylammonium chloride (CTAC). For other capping agents, please inquire
- Concentration: < 0.005 wt%*
- Transport Temperature: > 5 ºC
- Storage Temperature: 5 ºC

Only available for delivery in EU, Switzerland, United Kingdom, Norway, United States. Other countries, please inquire

Volume: 1 mL

Nanoscientifica Gold Single-Crystal Particles covers a wide range of monodisperse, monocrystalline gold nanoparticles with a quasi-spherical shape with a low population of polycrystalline nanoparticles (<10%). Colloidal suspension of gold spherical nanoparticles shows strong light absorption in the visible region due to the intense surface plasmon resonance cross-section. NanoScientifica Gold Single-Crystal Particles are manufactured with cutting-edge technology, free from aggregation, ready to straighten their full performance in your research, development, and use in industrial-scale in your demanding applications. Our nanoparticles are precisely characterized using UV/VIS spectrophotometry, Transmission Electron Microscopy (TEM), dynamic light scattering (DLS, particle size analysis) and/or Zeta potential (surface charge) measurements.

Special features

Due to the high crystallinity, NanoScientifica Gold Single-Crystal Particles are ideal building blocks to the fabrication of multimetallic core-shell nanostructures by epitaxial overgrowth, whether to generate polycrystalline or monocrystalline shell surfaces. Due to the narrow size distribution of our nanoparticles, the sharp localized plasmon resonance peak (LSPR) enables the fabrication of ultrasensitive optical sensors and it is the most recommended product for experimental-theoretical academic works.

Physical-Chemical Properties

Ranking in order of abundance in earth crust
Mean content in earth crust
0.004 ppm (g/tonne)
Mean content in oceans
4 · 10-6 ppm (g/tonne)
Residence time in oceans
100 · 103  years
Radii of atoms (ppm)
Atomic: 135
Covalent: 144
Density (g cm-3)
Molar volume ( cm-3)
Specif ic heat cat 298 K  (J K–1 kg1)

Thermal conductivity (Wm–1K–1) 
173 K: 324
273 K: 319
373 K: 313
575 K: 299
973 K: 272
Coefficient of linear expansion (K–1)
100 K: 11.8 · 10-6 
293 K: 14.2· 10-6 
500 K: 15.4 · 10-6 
800 K: 17 · 10-6 
Resistivity (nΩm)
78 K: 5
273 K: 20.5
373 K: 28.8
573 K: 46.3
973 K: 86 
1336 K: 310
Mass magnetic susceptibility (m3 kg-1)
293 K: –1.78 · 10-9 
Youngs modulus (G Pa)
Shear modulus (G Pa)
Bulk modulus (G Pa)
Poissons ratio
Enthalpy of fusion ΔHfus at melting point (kJmol-1)
Enthalpy of vaporization ΔHvap at boiling point (kJmol-1)
Enthalpy of atomization ΔHat at 298 K (kJmol-1)
Entropy S0 at 298 K (J K-1mol-1)
Molar heat capacity Cp at temperature K (J K-1mol-1)
100 K: 21.4
298 K: 25.42
600 K: 26.8
1000 K: 28.9
2000 K: 29.3
2500 K: 29.3

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Hazard Statements

Hazard Codes

Precautionary Statements

Flash Point
Not applicable

Risk Codes

Safety Statements

RTECS Number

Transport Information
UN 3077 9 / PGIII

WGK Germany

GHS Pictograms

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