Copper usnate

Copper Usnate

Structure of Copper Usnate

Copper usnate is a chemical compound that is a copper salt of usnic acid, a naturally occurring compound found in lichens. It is known for its antimicrobial properties and is used in various applications, including as a preservative and in cosmetics.

Chemical Structure

Copper usnate is characterized by its complex structure, which includes a copper ion coordinated to the usnate ligand. The structure of copper usnate is depicted in the image to the right, showing the coordination of copper with the usnate moiety.

Properties

Copper usnate exhibits several notable properties:

• Antimicrobial Activity: It is effective against a wide range of bacteria and fungi, making it useful in medical and cosmetic applications.
• Stability: The compound is relatively stable under normal conditions, but it can degrade under extreme pH or temperature conditions.
• Solubility: Copper usnate is sparingly soluble in water but more soluble in organic solvents.

Applications

Copper usnate is used in various fields due to its antimicrobial properties:

• Medical: It is used in topical formulations to prevent infections in wounds and burns.
• Cosmetics: Incorporated into products to prevent microbial growth and extend shelf life.
• Preservative: Used in some formulations to inhibit the growth of microorganisms.

Safety and Toxicity

While copper usnate is effective as an antimicrobial agent, it is important to consider its safety profile:

• Toxicity: High concentrations can be toxic, and it should be used with caution in formulations.
• Environmental Impact: As with many copper compounds, there is a potential for environmental impact, particularly in aquatic systems.

Related Pages

• Usnic acid
• Antimicrobial agent
• Copper compounds