Dikaliumsulfid
Bezeichnung:Dikaliumsulfid
CAS-Nr1312-73-8
Englisch Name:POTASSIUM SULFIDE
CBNumberCB6220066
SummenformelK2S
Molgewicht110.26
MOL-Datei1312-73-8.mol
Synonyma
Dikaliumsulfid
Dikaliummonosulfid
Kaliummonosulfid
Dikaliumsulfid physikalisch-chemischer Eigenschaften
Schmelzpunkt | 912° | ||||||||||||||
Siedepunkt | 912 °C | ||||||||||||||
Dichte | 1.74 | ||||||||||||||
Löslichkeit | soluble in H2O, ethanol; insoluble in ethyl ether | ||||||||||||||
Aggregatzustand | Powder | ||||||||||||||
Farbe | white to yellow | ||||||||||||||
Wasserlöslichkeit | very soluble H2O, alcohol, glycerol; insoluble ether [MER06] | ||||||||||||||
Crystal Structure | Reverse CaF2 type | ||||||||||||||
Sensitive | air sensitive, hygroscopic | ||||||||||||||
crystal system | Cube | ||||||||||||||
Space group | Fm3m | ||||||||||||||
Lattice constant |
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Stabilität | Stable, but air-sensitive. Flammable. Contact with acids liberates poisonous hydrogen sulfide. Anhydrous material may be spontaneously combustible. | ||||||||||||||
CAS Datenbank | 1312-73-8(CAS DataBase Reference) | ||||||||||||||
EPA chemische Informationen | Potassium sulfide (K2S) (1312-73-8) |
Kennzeichnung gefährlicher | C,N |
R-Sätze: | 31-34-50 |
S-Sätze: | 26-45-61 |
RIDADR | 1382 |
HazardClass | 4.2 |
PackingGroup | II |
Giftige Stoffe Daten | 1312-73-8(Hazardous Substances Data) |