Cupric acetate monohydrate
[CAS# 6046-93-1]

Identification

• Classification: Organic raw materials >> Organometallic salt
• Name: Cupric acetate monohydrate
• Synonyms: Acetic acid copper salt monohydrate; Copper(II) acetate monohydrate
• Molecular Formula: Cu(C₂H₃O₂)₂.H₂O
• Molecular Weight: 199.65
• CAS Registry Number: 6046-93-1
• EC Number: 611-978-9
• SMILES: CC(=O)[O-].CC(=O)[O-].O.[Cu+2]

Properties

• Density: 1.882
• Melting point: 115 °C (dec.)
• Boiling point: 240 °C
• Water solubility: 72 g/L (20 °C)

Safety Data

• Hazard Symbols: GHS05;GHS07;GHS09 Danger
• Risk Statements: H302-H314-H315-H318-H319-H335-H400-H410-H411
• Safety Statements: P260-P261-P264-P264+P265-P270-P271-P273-P280-P301+P317-P301+P330+P331-P302+P352-P302+P361+P354-P304+P340-P305+P351+P338-P305+P354+P338-P316-P317-P319-P321-P330-P332+P317-P337+P317-P362+P364-P363-P391-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin corrosion	Skin Corr.	1B	H314
Serious eye damage	Eye Dam.	1	H318
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312
Skin corrosion	Skin Corr.	1A	H314

• Transport Information: UN 9106; UN 3077

Discovery and Applications

Cupric acetate monohydrate, with the chemical formula Cu(C2H3O2)2·H2O, is a blue crystalline compound that plays a vital role in various chemical processes and applications. This compound is a hydrate of cupric acetate, consisting of copper ions combined with acetate anions and water molecules. Its discovery dates back to the early exploration of copper compounds, with documented uses in both the arts and sciences as far back as the 18th century. The compound's unique properties and versatility have led to its widespread application across several industries.

One of the primary applications of cupric acetate monohydrate is in organic synthesis. It serves as a key reagent in various chemical reactions, particularly in the preparation of cupric salts and as a catalyst in coupling reactions. For instance, it is commonly utilized in the synthesis of aryl acetates through reactions with phenolic compounds. The ability of cupric acetate to facilitate the formation of carbon-carbon bonds has made it an essential tool in synthetic organic chemistry.

In addition to its role in organic synthesis, cupric acetate monohydrate is significant in the field of electrochemistry. It has been employed as an electrolyte in electroplating processes, where it aids in the deposition of copper onto various substrates. The use of cupric acetate in this capacity is particularly advantageous due to its ability to maintain a stable solution, which is crucial for achieving uniform plating results. This property has made it a valuable component in the manufacturing of electronic components and decorative finishes.

Cupric acetate monohydrate also finds applications in the textile industry, where it is used as a mordant in dyeing processes. Its ability to form stable complexes with dye molecules enhances the colorfastness and vibrancy of textiles. This characteristic has made it an essential agent in producing high-quality dyed fabrics. Moreover, the compound has been explored for its potential use in catalyzing oxidative processes in the dyeing industry.

In recent years, cupric acetate monohydrate has gained attention in the field of materials science. Researchers have investigated its potential use in the synthesis of nanomaterials and nanoparticles, exploiting its properties to create novel materials with unique functionalities. The incorporation of cupric acetate in these processes has opened new avenues for developing advanced materials with applications in electronics, catalysis, and environmental remediation.

Despite its beneficial applications, safety considerations are essential when handling cupric acetate monohydrate. The compound can pose health risks if ingested or inhaled, necessitating the implementation of appropriate safety measures during its use in industrial and laboratory settings. Ensuring proper ventilation, protective equipment, and adherence to safety guidelines is crucial for mitigating potential hazards.

In summary, cupric acetate monohydrate is a versatile compound with significant implications in organic synthesis, electrochemistry, textiles, and materials science. Its discovery and subsequent applications have underscored the importance of copper compounds in various industrial processes, highlighting their role in advancing both scientific research and practical applications.

References

2018. The Chemical and Products Database, a resource for exposure-relevant data on chemicals in consumer products. Scientific Data, 5.
DOI: 10.1038/sdata.2018.125

1985. Acute oral toxicity and repellency of 933 chemicals to house and deer mice. Archives of Environmental Contamination and Toxicology, 14(1).
URL: https://www.aphis.usda.gov/ws/nwrc/chem-effects-db/S_schafer851.pdf

1982. Journal of Animal Science. Journal of Animal Science, 55(337).
URL: https://pubmed.ncbi.nlm.nih.gov/7142050