Cobalt oxide (Co2O3)
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Cobalt oxide (Co2O3)
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CAS No:
1308-04-9
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Formula:
Co2O3
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Chemical Name:
Cobalt oxide (Co2O3)
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Synonyms:
Cobalt oxide (Co2O3);C.I. 77323;Cobaltic oxide;Cobalt peroxide;Dicobalt trioxide;Cobalt trioxide;Dicobalt oxide;Cobalt(3+) oxide;Cobalt sesquioxide;Cobalt(III) oxide;Cobalt oxide (CoO1.5);12314-25-9;25729-03-7;164057-75-4;496862-98-7;1380168-21-7;2460293-75-6
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CAS No:
Description
Cobalt Oxide (Co₂O₃) is an inorganic compound composed mainly of cobalt and oxygen and has the formula Co₂O₃. This compound is usually black or dark blue in solid form, has a high melting point and good thermal stability. Cobalt Oxide is a trivalent oxide of cobalt, which is not only chemically important, but also exhibits unique properties in terms of physical properties. At room temperature, this compound is relatively stable, but at high temperatures, it may decompose. Co₂O₃ has good conductivity and catalytic characteristics, which makes it attracted much attention in many application fields. This compound is often used to make cobalt-based catalysts, which play a crucial role in chemical reactions. In addition, Co₂O₃ also plays an important role in the production of ceramics and battery materials. Due to its unique photoelectric characteristics, Co₂O₃ also shows potential application prospects in the field of photoelectric devices and sensors. For example, it can be used as a core material for photodetectors or sensors to improve the sensitivity and response speed of devices. In addition to being used alone, Co₂O₃ composites with other metal oxides have also been extensively studied. By combining with other materials, the overall properties of the material can be further improved, such as improving its mechanical strength, thermal stability or electrochemical properties. This composite material has a wide range of applications in energy storage and conversion devices, such as in lithium-ion batteries and supercapacitors. By optimizing the composition and structure of composite materials, researchers hope to develop new energy materials with better performance and longer life.
Characteristics
43.37000
powder
5.2 g/cm3
895 °C (decomp)
Solubility in water: none
Peritoneal-rat LD50: 5000 mg/kg; subcutaneous-mouse LD50: 2060 mg/kg
Non-combustible; produces toxic cobalt-containing fumes in the fire
Safety Information
1
36/37/38-40-43-22
26-36/37/39-36/37
GG2500000
Xn
Warehouse low temperature, ventilated, dry
P201, P202, P261, P264, P270, P272, P280, P281, P301+P312, P302+P352, P308+P313, P321, P330, P333+P313, P363, P405, P501
H302
|Warning|H302 (97.4%): Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P261, P264, P270, P272, P280, P281, P301+P312, P302+P352, P308+P313, P321, P330, P333+P313, P363, P405, and P501|Aggregated GHS information provided by 110 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Cobalt oxide (Co2O3) Use and Manufacturing
The cobalt carbonate burning method uses cobalt carbonate as a raw material, puts it in an electric furnace, and burns it at 350-370°C for 4-5h under air-isolated or slightly reducing atmosphere conditions to obtain high cobalt oxide. 2CoCO3[△]→Co2O3+CO↑+CO2↑
Used in pigments, glazes and magnetic materials. It can also be used to prepare cobalt and nickel-free cobalt salts. Also used as oxidant and catalyst.
Computed Properties
Molecular Weight:165.865
Hydrogen Bond Acceptor Count:3
Exact Mass:165.851131
Monoisotopic Mass:165.851131
Topological Polar Surface Area:43.4
Heavy Atom Count:5
Complexity:34.2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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