thallous sulfide, thallous sulphide
3D model (JSmol)
|Molar mass||440.833 g/mol|
|Appearance||black crystalline solid|
|Melting point||448 °C (838 °F; 721 K)|
|Boiling point||1,367 °C (2,493 °F; 1,640 K)|
|R3, No. 146|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Properties[change | change source]
Occurrence and preparation[change | change source]
It is found as a mineral called carlinite, but it is rare. It is the only thallium sulfide mineral that does not have another metal in it. It is made in the laboratory by reacting thallium(I) sulfate with hydrogen sulfide or by heating thallium and sulfur together.