What Is the Correct Name for the Ionic Compound Al2S3?

The chemical compound Al2S3 is named aluminum sulfide or aluminum sulphide. It is formed by an exothermic reaction between aluminum and sulfur, and it is a very hard gray solid when it has been cooled. Some of its forms include powder, chunk and wafer.

This compound has a melting point of 2,012 degrees Fahrenheit and a boiling point of 2,732 degrees. Its density is 2.32 grams per cubic centimeter, and it has a molar mass of 150.158 grams per mole. When placed in water, aluminum sulfide decomposes, though it cannot be dissolved when placed in acetone. The compound has a trigonal crystal structure, and there are several forms.