Thallium Sulfide

Name:
Thallium Sulfide
Detailed information:

Chemistry name:	thallous sulfide
M Formula:	Tl2S
Properties:
Blue-black, lustrous, microscopic crystals or amorphous powder. D 8.46, mp 448C. Soluble in mineral acids; insoluble in water, alcohol, or ether.
Hazard:
As for thallium.
Use:
Infrared-sensitive photocells.