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Gold(III) chloride

Gold(III) chloride
Gold(III) chloride structure
CAS No.
13453-07-1
Chemical Name:
Gold(III) chloride
Synonyms
GoL;d(III) chL;GOLD CHLORIDE;auricchloride;Trichlorogold;CHLORAUIC ACID;aurictrichloride;Gold trichloride;Gold(III) chloride;goldchloride(aucl3)
CBNumber:
CB5853063
Molecular Formula:
AuCl3
Formula Weight:
303.33
MOL File:
13453-07-1.mol

Gold(III) chloride Properties

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
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)
FDA UNII
15443PR153
EPA Substance Registry System
Gold chloride (AuCl3) (13453-07-1)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS07,GHS05
Signal word  Warning
Hazard statements  H314-H318-H315-H319-H335
Precautionary statements  P260h-P301+P330+P331-P303+P361+P353-P405-P501a-P261-P305+P351+P338
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
3-8-10
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  28433000

Gold(III) chloride price More Price(12)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 334049 Gold(III) chloride 99% 13453-07-1 500mg $83.8 2021-03-22 Buy
Sigma-Aldrich 334049 Gold(III) chloride 99% 13453-07-1 5g $560 2021-03-22 Buy
Alfa Aesar 012163 Gold(III) chloride, Au 64.4% min 13453-07-1 0.25g $38.8 2021-03-22 Buy
Alfa Aesar 012163 Gold(III) chloride, Au 64.4% min 13453-07-1 1g $128 2021-03-22 Buy
Strem Chemicals 93-7907 Gold(III) chloride, 99% (99.9%-Au) 13453-07-1 1g $114 2021-03-22 Buy

Gold(III) chloride Chemical Properties,Uses,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

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

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.

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.

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.

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.

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

Preparation Products


Gold(III) chloride Suppliers

Global( 177)Suppliers
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Hebei Zhanyao Biotechnology Co. Ltd
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View Lastest Price from Gold(III) chloride manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-11-30 Gold(III) chloride
13453-07-1
US $46.00 / g 1g 98% 100kg Baoji Guokang Bio-Technology Co., Ltd.
2021-10-21 Gold(III) chloride
13453-07-1
US $20.00-199.00 / KG 0.5KG >99% 20tons Anhui Rencheng Technology Co., Ltd
2021-10-14 Gold chloride
13453-07-1
US $1850.00 / g 1g 99% 20 tons Hebei Dongdu Import and Export Co. LTD

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