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Merck
CN

50790

Gold(III) chloride hydrate

~50% Au basis

Synonym(s):

Auric chloride, Chloroauric acid, Hydrogen tetrachloroaurate(III) hydrate, Tetrachloroauric(III) acid

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About This Item

Linear Formula:
HAuCl4 · aq
CAS Number:
27988-77-8
Molecular Weight:
339.79 (anhydrous basis)
NACRES:
NA.23
PubChem Substance ID:
57651272
UNSPSC Code:
12352302
EC Number:
240-948-4
MDL number:
MFCD00149903
Form:
powder or crystals

Key Documents

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Product Name

Gold(III) chloride hydrate, ~50% Au basis

InChI key

OVJUDSKPNIBLOO-UHFFFAOYSA-K

InChI

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

SMILES string

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

form

powder or crystals

reaction suitability

core: gold

concentration

~50% Au

color

yellow

density

3.9 g/mL at 25 °C

Quality Level

100

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Application

Used as a catalyst in asymmetric aldol reactions, diboration of vinylarenes, dehydrogenative dimerizations of trialkystannanes, carbonylation of olefins and amines, C-C, C-O bond couplings, oxidation of sulfides, selective oxidation of thioethers.

General description

Gold (III) chloride hydrate,also known as chloroauric acid, is used as precursor to synthesize gold nanoparticles. It also exihibits very high catalytic activity.

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Danger

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN9507
BCCN1506
BCCL9313
BCCM6255
BCCM3940

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Raquel Casado et al.
Journal of the American Chemical Society, 125(39), 11925-11935 (2003-09-25)
Different inorganic and organometallic gold(III) and gold(I) complexes have been tested in the addition of water and methanol to terminal alkynes. Anionic and neutral organometallic gold(III) compounds can efficiently mediate these reactions in neutral media in refluxing methanol. The compounds
The crystal structure of gold (III) chloride
Acta Crystallographica, 11(4), 248-288 (1958)

Articles

Gold Nanorod Synthesis

Plasmonic nanoparticles have unique optical properties that can be tailored to suit a variety of applications in the biotechnology1–8 and electronics9–16 industries.

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