Overview
Basic Copper Carbonate (AR grade) is a high-purity chemical compound with the formula Cu2(OH)2CO3. It is commonly used in laboratory settings and industrial applications due to its stability and predictable reactivity. The AR (Analytical Reagent) grade designation indicates it meets stringent purity standards, making it suitable for precise chemical analyses and formulations. This compound is also known by several synonyms, including Copper Carbonate Hydroxide and Malachite. Its distinctive green color and insoluble nature in water make it easily identifiable. Basic Copper Carbonate is synthesized through controlled reactions involving copper salts and carbonate sources, ensuring consistency in quality for B2B buyers.
Physical and Chemical Properties
Basic Copper Carbonate appears as a green powder or crystalline solid with a density of approximately 4.0 g/cm³. It decomposes at around 200°C, releasing carbon dioxide and water vapor, leaving behind copper oxide. The compound is insoluble in water but readily dissolves in acids, forming corresponding copper salts. Its stability under normal conditions makes it a reliable reagent for various chemical processes. However, exposure to strong acids or reducing agents can lead to decomposition or undesirable reactions. The AR grade ensures minimal impurities, which is critical for applications requiring high precision, such as analytical chemistry and pharmaceutical manufacturing.
Main Applications
Basic Copper Carbonate (AR grade) is widely used as a laboratory reagent for qualitative and quantitative analyses. Its predictable reactivity and high purity make it ideal for calibrating instruments and preparing standard solutions. In industrial settings, it serves as a pigment in ceramics and paints, providing a stable green hue. Additionally, this compound is employed as a fungicide and wood preservative due to its antimicrobial properties. It is also used in pyrotechnics to produce blue-green flames. The versatility of Basic Copper Carbonate underscores its importance in both scientific and commercial sectors, particularly where purity and consistency are paramount.
Safety and Storage
Handling Basic Copper Carbonate requires adherence to safety protocols to minimize health risks. It is harmful if ingested or inhaled, and prolonged exposure can cause irritation to the skin, eyes, and respiratory system. Personal protective equipment (PPE), such as gloves and goggles, should always be worn, and work should be conducted in a well-ventilated area. Storage conditions are equally important. The compound should be kept in a cool, dry place, sealed in airtight containers to prevent moisture absorption. It must be stored away from acids and reducing agents to avoid hazardous reactions. Proper labeling and segregation from incompatible substances are essential for safe storage in B2B environments.
B2B Procurement Guide
When procuring Basic Copper Carbonate (AR grade), B2B buyers should prioritize suppliers with verified certifications and a track record of delivering high-purity chemicals. Key procurement considerations include confirming the CAS number (12069-69-1) and requesting certificates of analysis (CoA) to validate purity levels. Price negotiations should account for bulk purchase discounts, with reference prices typically ranging from $20 to $50 per kg. Buyers should also evaluate logistics, ensuring the supplier can handle safe packaging and timely delivery. Establishing long-term relationships with reputable suppliers can mitigate risks and ensure consistent quality for ongoing industrial or laboratory needs.
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