Prepd by heating aluminum with sulfur: Flahaut, Compt. Rend.232, 334 (1951);
Becher in Handbook of Preparative Inorganic
Chemistryvol. 1, G. Brauer, Ed. (Academic
Press, New York, 2nd ed., 1963) p 823.
Properties
Yellowish-gray, compact lumps; H2S
odor; decomposes in moist air to a gray powder. d 2.02. mp 1100°. Hydrolyzed by water to Al(OH)3 and
H2S. Keep tightly closed.