Sodium Aluminium Sulfate (SAS) What is Sodium Aluminium Sulfate (SAS)? Sodium aluminum sulfate is a white, free-flowing powdered material that occurs as colorless crystals. Sodium Aluminum Sulfate is a leavening acid used in baking powders; prepared institutional and retail cake, cookie, and biscuit mixes; muffins; self-rising flour and baking mixes. It is also [...]