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520918

Sigma-Aldrich

Gold(III) chloride trihydrate

≥99.9% trace metals basis

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Synonym(s):
Hydrogen tetrachloroaurate(III), Tetrachloroauric(III) acid
Linear Formula:
HAuCl4 · 3H2O
CAS Number:
16961-25-4
Molecular Weight:
393.83
EC Number:
240-948-4
MDL number:
MFCD00149904
UNSPSC Code:
12352302
PubChem Substance ID:
24874179
NACRES:
NA.23

Quality Level

200

Assay

≥99.9% trace metals basis

form

crystals and lumps

composition

Au, 48.5-50.25%

packaging

glass bottle of 1 g
glass bottle of 25 g
glass bottle of 5 g

impurities

≤1000.0 ppm Trace Metal Analysis

SMILES string

Cl[H].[H]O[H].[H]O[H].[H]O[H].Cl[Au](Cl)Cl

InChI

1S/Au.4ClH.3H2O/h;4*1H;3*1H2/q+3;;;;;;;/p-3

InChI key

XYYVDQWGDNRQDA-UHFFFAOYSA-K

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General description

The embryotoxicity of gold salt (HAuCl4 · 3H2O) is weaker than the embryotoxicities of a number of other nanoparticles used infor biomedical applications.

Application

Gold(III) chloride trihydrate can be used in the fabrication of colorimetric aptasensor for staphylococcus aureus. It can be reduced with polygala tenuifolia roots (green reducing agent) to produce gold nanoparticles (AuNPs).

Signal Word

Danger

Hazard Statements

H290,H302,H314,H373,H411

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT RE 2 Oral

Target Organs

Kidney

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is Gold (III) chloride trihydrate, Product 520918, soluble in?

    Gold (III) chloride trihydrate is very soluble in water and polar organic solvents.

  4. What is the melting point of Gold (III) chloride trihydrate, Product 520918?

    This product has a melting point of 50 deg C, please note that it will decompose at this temperature.

  5. How should Gold (III) chloride trihydrate, Product 520918, be stored?

    We would recommend storing this at room temperature in accordance with our MSDS.  This product is light and moisture sensitive so in order to prolong the life of the product it should be stored under inert gas and the bottle should be wrapped in aluminum foil or stored in a dark place.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

One-pot preparation of creatinine-functionalized gold nanoparticles for colorimetric detection of silver ions
He Y, et al.
Plasmonics (Norwell, Mass.), 11(2), 587-591 (2016)
A Microarray-based Multiplexed Scanometric Immunoassay for Protein Cancer Markers Using Gold Nanoparticle Probes.
Kim D, et al.
Analytical Chemistry, 81(21), 9183?9187-9183?9187 (2009)
Embryotoxicity of cobalt ferrite and gold nanoparticles: A first in vitro approach
Di Guglielmo C, et al.
Reproductive Toxicology, 30(2), 271-276 (2010)
Rama Ranjan Bhattacharjee et al.
The journal of physical chemistry. B, 110(13), 6768-6775 (2006-03-31)
Thermoresponsive gold nanoparticles (GNPs) have been prepared by the borohydride reduction of gold salt in the presence of water-soluble polymer, poly(vinyl methyl ether) (PVME). The PVME-coated GNPs (PVME-GNPs) have been assembled into large aggregates in the presence of polyelectrolytes, viz.
Chih-Yuan Chen et al.
Analytical chemistry, 86(24), 11942-11945 (2014-11-25)
Localized surface plasmon resonance (LSPR) represents a sensitive and versatile method for detection of biomolecules in a label-free fashion, but identification of bound analytes can be challenging with LSPR alone, especially for samples in a complex medium. We report the
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