Cuprous oxide is one of the two stable oxides of copper

If you are looking for high-quality products, please feel free to contact us and send an inquiry, email:

The following is a brief overview of the Overview The following are some examples of how to use Cuprous oxide Cuprous oxide (Cu2O) is monovalent, copper oxide. It’s a bright red powder, solid and almost insoluble when mixed with water. It disproportionates in acidic solutions into copper, copper elemental. When exposed to moist air, it gradually oxidizes into black copper dioxide. Cuprous oxide, the chemical formula is Cu2O, is monovalent copper oxide, a bright red powder solid, almost insoluble in water, in acidic solution disproportionation into copper and copper elemental, in the wet air gradually oxidized into black copper oxide.
The amount of copper in the acidic solution is more than the amount of copper, which indicates that the stability and solubility of copper ions is higher. Cuprous oxide reacts, for instance, with sulfuric acid in order to produce copper sulfate.
Cu2O+ H2SO4 = CuSO4+ Cu + H2O
Cuprous oxide is formed when nitric and cupric acid react to produce copper nitrate.
3Cu2O + 14HNO3(dilute)- 6Cu(NO3)2 + 2NO| + 7H2O
Cuprous oxide forms complexes when ammonia water or hydrogen halide acids are added. It does not decompose into copper divalents and copper
Solvable in concentrated ammonia to form the colorless [Cu(NH3)2]+ complex (copper ion (I)). This is oxidized to blue [Cu[NH3)4(H2O]2]2+ hydrate ammonia (copper ii) in the air.
Curious oxide, soluble with hydrochloric acids to form HCUCL2 (cuprous complex), is also soluble with sulfuric or nitric acid to produce copper sulfate or copper nitrate.
What does cuprous oxide do?
As a ceramic pigment, cuprous oxide can be used to create blue, red, and green glazes. It is also sometimes used in grey, pink, or black glazes.
Also, it was mistakenly added to animal feed as a nutritional supplement.
Copper absorbable is minimal due to its low biological activities. Copper alloys are also used in its welding. Ship bottom antifouling (to kill lower Marine creatures) is made with cuprous oxide.
It is used as a bactericide. It can also be used for the production of copper salts. Cuprous oxide is commonly used in organic synthesis as a catalyst.

Is cuprous oxide dangerous?
It is toxic when swallowed. Absorption through the skin can cause harm. May cause skin irritation. It may cause irritation of the eyes.
Acute toxicity LD50 470mg/kg mice. LD50 for the abdominal meridian in mice is 380mg/kg. After a few days, the body’s temperature will return to normal. However, symptoms such as weakness, headaches and dizziness may persist. Gastric lavage using a K4[FeCN]6 solution at a specific concentration, milk consumption and other measures are taken to treat acutely-infected patients. The maximum allowed concentration in the atmosphere is 0.1mg/m3. Wearing a dustproof mask, protective work clothing, wearing dustproof eyewear, and taking a shower at the end of your workday are all options.
Chronic poisoning can be seen in the form of a darker reddish-purple edge to the gingiva, the hair and skin of workers exposed to copper compounds. The dust is irritant to the skin. It also irritates and damages the cornea.
What’s the Difference Between CuO and Cu2O?
Cu2O may be produced by oxidizing the metal copper or by reducing an aqueous solution of copper II with sulfur oxide. CuO, however, is obtained through pyrometallurgical processes used to extract ore copper. Copper is the main ingredient in many wood preservatives. Copper can also be used as a glaze pigment.

How is cuprous oxid formed?
In the normal direct oxidation process of metal Copper, platinum wire is suspended inside the vertical tubular electric oven in a nitrogen atmosphere with 1% (volume fractions) oxygen. It is heated to 1000 degrees for 24 hours in order to produce cuprous oxide. The chemical reaction of metal copper with copper oxide is heated in a vacuum chamber at 1000 degrees for 5 hours. This will produce cuprous oxide. The order in which the oxide phase is formed from copper by thermal oxidation goes as follows: CuCu2OCu2OCu2OCu2O+CuOCuO. Cu2O can be formed at around 200degC. CuO starts to form at 300degC.
The dry process is also a way to make cuprous oxide.
Dry method: The copper is first mixed with copper dioxide, then heated in the calcining kiln to 800900degC. It will be converted into cuprous oxide. Then, pulverize the material to 325 mesh after removing mechanical impurities with a magnet. Use an iron to reduce copper in copper sulfate if it is the raw material. The reactions are identical to those used when copper powder is the raw material.

Why is the cuprous oxide red in color?
It is reduced from the black copper oxide (CuO) that we see in glazes and glasses. It will remain in its Cu2O form if reduced and sintered to give the typical copper-red colour.
Aminopolysiloxane: Cu2O Photocathode overlayer: Photocorrosion inhibitor and Low Overpotential Co2-to-formate Selecivity Promoter
Photoactive Ptype semiconductors based on Earth-rich element represent photoactive Ptype semiconductors of photoelectrochemical reduction reaction CO2 (PEC CO2RR). Under PEC CO2RR, photo corrosion is accelerated despite the light absorption. The aminefunctionalized Polysiloxane(AF-PSI), is evaluated using the amineCO2 adduct. It is also evaluated as a PECCE2RR promoter. Electrochemical tests and X-ray diffraction have shown that AFPSI coatings improve light stability. The feed efficiency in electrolysis tests under visible light illumination was 61%. In situ FTIR analyses have revealed that CO2 and amine combine to form a urethane. This method is used to confirm the double-effect of the AFPSI layer.

(aka. Technology Co. Ltd., a global chemical material manufacturer and supplier with more than 12 years of experience in the production of super-high-quality chemicals. Our company is currently developing a number of materials. Our Cuprous oxide Cu2O is a powder with a high purity, fine particle sizes and low impurity contents. Send us a message by clicking on the desired products or sending an email.