Cobaltoxid
CoO · COBALT(II) OXIDE · COBALTOUS OXIDE · Cobalt monooxide · Cobalt oxide (CoO) · 1,2-Benzenedimethanethiol, 4,5-dimethyl- · Zaffre · ci77322
Identifikatoren & physikalische Daten
| CAS No. | 1307-96-6 |
|---|---|
| Summenformel | CoO |
| Durchschnittliche Molmasse | 74,933 g/mol |
| Monoisotopische Masse | 74,928108 g/mol |
| SMILES | [O]=[Co] |
| InChIKey | IVMYJDGYRUAWML-UHFFFAOYSA-N |
| PubChem CID | 14786 |
| Lokaler Name | Cobaltoxid |
Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 17,1 |
|---|---|
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 1 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 2 |
| Formalladung | 0 |
| Komplexität | 2 |
| Schmelzpunkt | 1785 °C |
| Dichte | 6.45 |
| Dampfdruck | 0Pa at 20℃ |
| Lagerbedingungen | Store at room temperature, keep dry and cool |
| Löslichkeit | insoluble in H2Osoluble in acid solutions |
| Aggregatzustand | Powder |
| Wichte | 6.45 |
| Farbe | Green-brown |
| Spezifische Wärmekapazität | Cp(crystal): 0.74 J/(g·K), at 25℃ |
| Merck | 14,2446 |
| Stabilität | Stability Stable, but may be moisture sensitive. |
| Hauptanwendungen | battery manufacturing |
| InChI | InChI=1S/Co.O |
| InChIKey | IVMYJDGYRUAWML-UHFFFAOYSA-N |
| SMILES | O=[Co] |
| CAS Datenbank | 1307-96-6(CAS DataBase Reference) |
| NIST chemische Informationen | Cobalt monoxide(1307-96-6) |
| EPA chemische Informationen | Cobalt(II) oxide (1307-96-6) |
Sicherheit & Vorschriften
| Wassergefährdungsklasse (WGK) | 3 |
|---|---|
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | UN 3288 6.1/PG 3 |
| Zollcode | 28220000 |
| RTECS-Nr. | GG2800000 |
| R-Sätze (R) | 22-43-50/53-42/43-26 |
| Toxizität | LD50 orally in rats: 1.70 g/kg (Smyth) |
| Gefahrensymbole | Xn,N,T+ |
| Sicherheitshinweise (S) | 24-37-60-61-45-36/37-28 |
| Gefahrenklasse | 6.1(b)Acute Tox. 2 InhalationAcute Tox. 3 OralAquatic Acute 1Aquatic Chronic 1Carc. 1B InhalationRepr. 1BResp. Sens. 1BSkin Sens. 1B |
| Verpackungsgruppe | III |
| Lagerklasse | 6.1A - Combustible acute toxic Cat. 1 and 2very toxic hazardous materials |
| Gefahrstoffdaten | 1307-96-6(Hazardous Substances Data) |
Anwendungen & Verwendung
Beschreibung
This is obtained as an olive-green powder by heating the metal in air or steam or by thermal decomposition of the hydroxide, carbonate or nitrate. It has the sodium chloride lattice and is antiferromagnetic below 292°K. When heated in oxygen above 400° the black oxide Co3O4 is obtained. This oxide is isomorphous with magnetite Fe3O4, and has tetrahedrally surrounded cobalt(II) ions and octahedrally surrounded cobalt(III) ions. Both these oxides are readily reduced to the metal by heating in hydrogen or with carbon. The reactions of CoO with silica, alumina and zinc oxide are used to form pigments in the ceramic industry.
Verwenden
In pigments for ceramics; glass coloring and decolorization; oxidation catalyst for drying oils, fast-drying paints and varnishes; preparation of cobalt-metal catalysts, Co powder for binder in sintered tungsten carbide; in semiconductors.