Wolframdioxid
Bezeichnung:Wolframdioxid
CAS-Nr12036-22-5
Englisch Name:TUNGSTEN (IV) OXIDE
CBNumberCB5421675
SummenformelO2W
Molgewicht215.84
MOL-Datei12036-22-5.mol
Synonyma
Wolframdioxid
Wolframdioxid physikalisch-chemischer Eigenschaften
Schmelzpunkt | 1500-1600°C | ||||||||||||||
Siedepunkt | 1730℃[at 101 325 Pa] | ||||||||||||||
Dichte | 12,11 g/cm3 | ||||||||||||||
Löslichkeit | insoluble in H2O, organic solvents | ||||||||||||||
Aggregatzustand | Powder | ||||||||||||||
Wichte | 12.11 | ||||||||||||||
Farbe | brown | ||||||||||||||
Wasserlöslichkeit | Soluble in acid and potassium hydroxide. Insoluble in water. | ||||||||||||||
Crystal Structure | MoO2 type | ||||||||||||||
crystal system | Monoclinic | ||||||||||||||
Space group | P21/c | ||||||||||||||
Lattice constant |
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Expositionsgrenzwerte | ACGIH: TWA 3 mg/m3 NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 |
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CAS Datenbank | 12036-22-5(CAS DataBase Reference) | ||||||||||||||
EPA chemische Informationen | Tungsten oxide (WO2) (12036-22-5) |