Product name:Ammonium alum
Synonym:Aluminum ammonium disulfate dodecahydrate;Aluminum ammonium sulfate dodecahydrate;
CAS:7784-26-1
Molecular Formula:AlH28NO20S2
Formula Weight:453.33
Density:1.64
Boiling point:200 °C
Melting point:93.5 °C(lit.)
Appearance:White crystal or powder
Description:It is used in small amounts in a variety of niche applications. The dodecahydrate occurs naturally as the rare mineral tschermigite.