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Cuprous oxide, commonly referred to as CuO, is a compound that naturally occurs under specific conditions. It’s a reddish-orange material that finds its way into numerous applications, such as photocells, laser diodes, thermometers, glow-in-the-dark paints, thermoelectric generators, and even air purification systems.
This solid substance is manufactured through the reaction of molten sodium with oxygen, a method known as cuprous oxide production. Often utilized as a catalyst in chemical reactions, cuprous oxide plays a key role in producing other chemicals like zinc chloride and ferrous chloride. Additionally, it serves as a UV absorber in surface treatment products.
Composed of copper and oxygen, cuprous oxide is a versatile compound used across multiple industries. It acts as a catalyst in various reactions, including the oxidation of ammonia to nitrate in air catalysts, which are vital in the production of nitrogen fertilizers and explosives.
Known chemically as cuprous oxide or cadmium oxide, this compound is used in battery production and plastic manufacturing. A white, colorless, and odorless solid, it accounts for 9% to 15% of all batteries and is integral in metal production, construction, and the creation of plastics and organic compounds. It’s also found in certain paints and is used as an oxidizer in metal plating processes.
Cuprous oxide is highly reactive and is employed in countless commercial applications. It serves as a super high-purity reagent, catalyst, and anti-corrosive agent in industries ranging from manufacturing to construction. It’s particularly valuable in water treatment, where it helps purify water by removing dissolved particles, and in the polymerization of specific polymers.
Primarily used as a catalyst in metallurgy, cuprous oxide is crucial for iron and steel production. During the oxidation of iron, it acts as a reducing agent. Interestingly, this compound has been around for centuries. It was historically used in the production of brass and was discovered in its pure form in the 1600s by Swedish scientist Johan Gadolin. The first synthetic version was created in 1882 by German chemist Friedrich Wöhler.
The origin of cuprous oxide is noteworthy. It’s a highly pure and stable white powder, classified as hazardous waste in the U.S., yet countries like China, Japan, and the UK continue to produce and export it to the U.S. for various industries. Its purity makes it ideal for applications such as fertilizer production and even as a feed additive for livestock. It’s also used in the manufacturing of cathode ray tubes (CRTs), which are found in older TVs and computer monitors.
Cuprous oxide, or copper(II) oxide, is also used as a pigment, fire retardant, and flux for smelting metals. It’s a colorless, odorless, and tasteless solid that doesn’t dissolve in water. It’s the most commonly used oxide in both industrial and domestic contexts, formed by oxidizing copper metal in air at temperatures between 1100–1300 °C.
Interestingly, some refer to cuprous oxide as "cuprous oxide chloride," a colorless, odorless, crystalline solid. It’s also known as cupric oxide, an essential oxide of the metal cuprous. This compound is primarily produced as a by-product of copper smelting and is a significant commercial chemical.
City Chemical LLC offers bulk quantities of cuprous oxide. For more information and to place an order, visit /cuprous-oxide.html. This compound continues to play a pivotal role in modern industry, proving its versatility and importance across multiple fields.
June 20, 2025