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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
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Quality Segment

form

powder or crystals

reaction suitability

core: gold

concentration

~50% Au

color

yellow

density

3.9 g/mL at 25 °C

SMILES string

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

InChI

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

InChI key

OVJUDSKPNIBLOO-UHFFFAOYSA-K

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.

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.

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Signal Word

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 (personal protective equipment)

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

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