132510-99-7

Basic information

• Product Name: C₁₄H₁₂AuN₄S₂⁽¹⁺⁾
• Synonyms: C₁₄H₁₂AuN₄S₂⁽¹⁺⁾
• CAS NO: 132510-99-7
• Molecular Weight: 497.375
• Mol File: 132510-99-7.mol

Chemical Properties

• CAS DataBase Reference: C₁₄H₁₂AuN₄S₂⁽¹⁺⁾(CAS DataBase Reference)
• NIST Chemistry Reference: C₁₄H₁₂AuN₄S₂⁽¹⁺⁾(132510-99-7)
• EPA Substance Registry System: C₁₄H₁₂AuN₄S₂⁽¹⁺⁾(132510-99-7)

Safety Data

• Hazardous Substances Data: 132510-99-7(Hazardous Substances Data)

Upstream product

• 19829-29-9 4-pyridinethione 
• 10544-50-0 sulfur 
• 583-39-1 2,3-dihydrobenzimidazol-2-thione 
• 7440-57-5 gold 

Relevant articles and documents

Cooperative Ligands in Dissolution of Gold

Development of new, environmentally benign dissolution methods for metallic gold is driven by needs in the circular economy. Gold is widely used in consumer electronics, but sustainable and selective dissolution methods for Au are scarce. Herein, we describe a quantitative dissolution of gold in organic solution under mild conditions by using hydrogen peroxide as an oxidant. In the dissolution reaction, two thiol ligands, pyridine-4-thiol and 2-mercaptobenzimidazole, work in a cooperative manner. The mechanistic investigations suggest that two pyridine-4-thiol molecules form a complex with Au0 that can be oxidized, whereas the role of inexpensive 2-mercaptobenzimidazole is to stabilize the formed AuI species through a ligand exchange process. Under optimized conditions, the reaction proceeds vigorously and gold dissolves quantitatively in two hours. The demonstrated ligand-exchange mechanism with two thiols allows to drastically reduce the thiol consumption and may lead to even more effective gold dissolution methods in the future.