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Key Documents

G1652

Sigma-Aldrich

Gold colloid

~0.01% HAuCl4, ~1 A520 units/mL, 17-23 nm mean particle size (monodisperse), 20 nm particle size

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About This Item

Empirical Formula (Hill Notation):
Au
CAS Number:
Molecular Weight:
196.97
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:

description

<0.01% tannic acid
<0.04% sodium citrate

form

dispersion
nanoparticles

contains

0.02% sodium azide as preservative

concentration

~0.01% HAuCl4
~1 A520 units/mL

mean particle size

17-23 nm (monodisperse)

particle size

20 nm

storage temp.

2-8°C

SMILES string

[Au]

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

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Application

See "Immunocytochemical Methods and Protocols" Lorette C. Javois, chapter 8 (Sigma product I5653) for microscopy related applications.

Suitability

Suitable for adsorption of biomolecules for labeled probe synthesis.

Physical form

Colloidal suspension

Storage Class Code

12 - Non Combustible Liquids

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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