ChemicalBook > CAS DataBase List > Gold(III) chloride

Gold(III) chloride

Product Name
Gold(III) chloride
CAS No.
13453-07-1
Chemical Name
Gold(III) chloride
Synonyms
Gold trichloride;GoL;TETRACHLOROAURIC ACID;Trichlorogold;Gold(III) trichloride;d(III) chL;auricchloride;CHLORAUIC ACID;aurictrichloride;Gold(III) chloride
CBNumber
CB5853063
Molecular Formula
AuCl3
Formula Weight
303.33
MOL File
13453-07-1.mol
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Gold(III) chloride Property

Melting point:
254°C
Boiling point:
265 °C
Density 
3.9 g/mL at 25 °C
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
DMSO (Sparingly), Methanol (Very Slightly)
form 
Crystalline Powder, Crystals or Chunks
color 
yellow
Water Solubility 
soluble
Sensitive 
Hygroscopic
Merck 
14,4521
Solubility Product Constant (Ksp)
pKsp: 24.5
CAS DataBase Reference
13453-07-1(CAS DataBase Reference)
EPA Substance Registry System
Gold chloride (AuCl3) (13453-07-1)
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Safety

Hazard Codes 
C,Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39-45-37/39-36
RIDADR 
UN 3260 8/PG 3
WGK Germany 
3
RTECS 
MD5420000
F 
3-8-10
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
28433000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
334049
Product name
Gold(III) chloride
Purity
99%
Packaging
500mg
Price
$101
Updated
2024/03/01
Sigma-Aldrich
Product number
334049
Product name
Gold(III) chloride
Purity
99%
Packaging
5g
Price
$673
Updated
2024/03/01
Alfa Aesar
Product number
012163
Product name
Gold(III) chloride, Au 64.4% min
Packaging
1g
Price
$176
Updated
2024/03/01
Alfa Aesar
Product number
012163
Product name
Gold(III) chloride, Au 64.4% min
Packaging
0.25g
Price
$46.1
Updated
2023/06/20
Strem Chemicals
Product number
93-7907
Product name
Gold(III) chloride, 99% (99.9%-Au)
Packaging
250mg
Price
$38
Updated
2024/03/01
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Gold(III) chloride Chemical Properties,Usage,Production

Chemical Properties

orange-red to dark red crystals

Physical properties

Red monoclinic crystals; deliquesces; density 4.7 g/cm3; sublimes at 180°C (760 torr); highly soluble in water; soluble in alcohol and ether; slightly soluble in liquid ammonia.

Uses

Gold(III) chloride is used in colloidal gold solutions, in photography and as a print toning agent(gold toning), starting solution to form other gold compounds and a precursor for preparation of ultra pure gold metal. It is used in electroplating and electroless plating as an anode in an electric cell. Gold(III) chloride acts as a gold catalyst and cell body stains for bright field and dark field microscopy.

Uses

Photography, gold plating, special inks, medicine, ceramics (enamels, gilding, and painting porcelain), glass (gilding, ruby glass), manufacture of finely divided gold and purple of Cassius.

Uses

It is important to note that the Cl2 used here must be hot chlorine gas.

Definition

A compound prepared by dissolving gold in aqua regia. The bright yellow crystals (chloroauric acid) produced on evaporation are heated to form dark red crystals of gold(III) chloride. The chloride decomposes easily (at 175°C) to give gold(I) chloride and chlorine; at higher temperatures it decomposes to give gold and chlorine. Gold(III) chloride is used in photography. It exists as a dimer, Au2Cl6.

Preparation

Gold(III) chloride may be produced by the combination of metallic gold with chlorine gas at elevated temperatures:
2Au + 3Cl2 → 2AuCl3
It may be prepared in the laboratory by the reaction of iodine monochloride with metallic gold:
2Au + 6ICl → 2AuCl3 + 3I2
The compound should be stored tightly closed and protected from light.

Reactions

When heated at 254ºC, gold(III) chloride decomposes to gold(I) chloride and chlorine.
Passing hydrogen sulfide into an ether solution of the compound yields gold(III) sulfide, Au2S3.
A similar reaction occurs when alcoholic solutions of gold(III) chloride and hydrogen selenide are mixed, producing gold(III) selenide, Au2Se3, a black amorphous solid.
Gold(III) chloride may be reduced readily to metallic gold by common reducing agents. Thus, reduction with stannous chloride in dilute aqueous medium yields colloidal gold in which the atom carries a negative charge. “Cassius purple” is produced from the oxidation of tin to form H2Sn(OH)6, which protects colloidal gold from coagulation, imparting ruby red color to the solution.
Gold(III) chloride reacts with ammonia forming a gold(III)-nitrogen derivative, an explosive product, known as, “fulminate of gold”. Reaction with Grignard reagent, RMgX in ether yields dialkyl gold(III) chloride, R2AuCl3, which may be converted readily to other dialkyl gold(III) complexes by replacement of the chloride anion by a donor ligand.

General Description

The structure of gold chloride is monoclinic in nature. It sublimes at elevated temperatures.

Safety Profile

Experimental reproductive effects. Human mutation data reported. Reaction with ammonia or ammonium salts yields fulminating gold, a heat-, friction-, and impact-sensitive explosive similar to mercury and silver fulminates. See also GOLD COMPOUNDS and CHLORIDES. When heated to decomposition it emits toxic fumes of Cl-.

Gold(III) chloride Preparation Products And Raw materials

Raw materials

Diethyl ether GOLD

Preparation Products

Gallium Auranofin
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Gold(III) chloride Suppliers

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View Lastest Price from Gold(III) chloride manufacturers

Baoji Guokang Bio-Technology Co., Ltd.
Product
Gold(III) chloride 13453-07-1
Price
US $46.00/g
Min. Order
1g
Purity
98%
Supply Ability
100kg
Release date
2021-06-09
Hebei Weibang Biotechnology Co., Ltd
Product
Gold(III) chloride 13453-07-1
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-31
Hebei Yanxi Chemical Co., Ltd.
Product
Gold trichloride;AuCl3 13453-07-1
Price
US $80.00/g/Bag
Min. Order
1g
Purity
99.9%
Supply Ability
50kgs/month
Release date
2020-07-07

13453-07-1, Gold(III) chlorideRelated Search:

Choline chloride Ammonium chloride Trichlorine nitride Potassium chloride Calcium chloride Sodium chloride Polyvinyl chloride Thionyl chloride GOLD CHLORIDE Methylene Chloride LITHIUM TETRACHLOROAURATE(III) CHLOROAURIC ACID HYDRATE SODIUM TETRACHLOROAURATE(III) HYDRATE Hydrogen tetrachloroaurate(III) trihydrate POTASSIUM GOLD CHLORIDE GOLD CHLORIDE SODIUM SALT, DIHYDRATE Ammonium tetrachloroaurate GOLD CHLORIDE ACID

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  • Analytical Standards
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  • 1.00 g/L
  • ICP-OES/-MS
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