Cerium oxide CeO2 powder overview
Cerium oxide is an inorganic substance with a chemical formula of CeO2, a light yellow or yellowish brown auxiliary powder. Density 7.13g/cm3, melting point 2397℃, insoluble in water and alkali, slightly soluble in acid. At a temperature of 2000 °C and a pressure of 15MPa, cerium oxide can be obtained by reducing cerium oxide with hydrogen. When the temperature is free at 2000 °C and the pressure is free at 5MPa, the cerium oxide is yellowish, slightly reddish, and pink. Its performance It is used as polishing material, catalyst, catalyst carrier (auxiliary), ultraviolet absorber, fuel cell electrolyte, automobile exhaust gas absorber, electronic ceramics, etc.
The pure product is white heavy powder or cubic crystal, and the impure product is light yellow or even pink to reddish brown (because it contains trace amounts of lanthanum, praseodymium, etc.). Almost insoluble in water and acid. Relative density 7.3. Melting point 1950℃, boiling point: 3500℃. Toxic, the median lethal dose (rat, oral) is about 1g/kg.
The salt of cerium oxide rare earth element can reduce the content of prothrombin, make it inactive, inhibit the generation of thromboplastin, precipitate fibrinogen, and catalyze the decomposition of phosphate compounds. The toxicity of rare earth elements weakens with the increase of atomic weight.
Inhalation of dust containing cerium can cause occupational pneumoconiosis, and its chlorides can damage the skin and can stimulate the mucous membranes of the eyes.
Maximum allowable concentration: 5 mg/m3 of cerium oxide, 5 mg/m3 of cerium hydroxide, wear a gas mask when working, special protection should be carried out if there is radioactivity, and dust should be prevented from scattering.
Application of Cerium Oxide CeO2 Powder
oxidizing agent. Catalysts for organic reactions. Iron and steel analysis as a rare earth metal standard. Redox titration analysis. Decolorized glass. Glass enamel sunscreen. Heat resistant alloy.
Cerium Oxide CeO2 Powder can be used as an additive in the glass industry, as a grinding material for plate glass, and can also be used in cosmetics to play an anti-ultraviolet role. It has been expanded to the grinding of spectacle glass, optical lenses, and picture tubes, and plays the role of decolorization, clarification, and absorption of ultraviolet rays and electron rays of glass.
Cerium oxide CeO2 powder price
The price of cerium oxide CeO2 powder will change randomly due to factors such as cerium oxide production cost, transportation cost, international situation, and market supply and demand of cerium oxide CeO2 powder. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for cerium oxide CeO2 powder, please feel free to send an inquiry to get the latest price of cerium oxide CeO2 powder.
Cerium Oxide CeO2 Powder Supplier
As a global supplier of cerium oxide CeO2 powders, Tanki New Materials Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (cerium oxide, zinc oxide, nickel oxide), high-purity target materials, functional ceramics and structural devices, and provides OEM services.
| Cerium Oxide Powder Properties | |
| Other Names | Cerium(IV) oxide, Ceric oxide, Dioxocerium, Cerium dioxide, |
| Needlal, Ceria, Opaline, Cerium(IV) dioxide, Ceric dioxide | |
| CAS No. | 1306-38-3 |
| Compound Formula | CeO2 |
| Molecular Weight | 172.12 |
| Appearance | White to Yellow Powder |
| Melting Point | 2340 ℃ |
| Boiling Point | 3500 ℃ |
| Density | 7.6 g/cm3 |
| Solubility in H2O | N/A |
| Electrical Resistivity | 4 10x Ω-m |
| Specific Heat | 390 J/kg-K |
| Thermal Expansion | 11 µm/m-K |
| Young's Modulus | 180 GPa |
| Exact Mass | 171.895 g/mol |
| Monoisotopic Mass | 171.895264 Da |
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