Additives · Leavening
Sodium aluminum sulfate (E521)
An aluminum-based leavening acid in some baking powders and mixes.
Where it's restricted
US (FDA)Allowed
EUAllowed
TexasWarning label requiredfrom 2027-01-01
LouisianaWarning label requiredfrom 2028-01-01
What each rule says, with sources
- US (FDA): Allowed FDA lists it as generally recognized as safe. Source
- EU: Allowed On the EU's list of approved additives as E521. For limited uses. (Regulation (EC) No 1333/2008) Source
- Texas: Warning label required from 2027-01-01 Labels developed on or after January 1, 2027 must warn that the product contains an ingredient not recommended for consumption in Australia, Canada, the EU or the UK. (SB 25 (2025)) Source
- Louisiana: Warning label required from 2028-01-01 Products containing it must carry a QR code disclosure from January 1, 2028. (SB 14, Act 463 (2025)) Source
Also listed on labels as: Sodium Aluminum Sulphate, Aluminum Sodium Sulfate.
Products that list it
2,122 products in USDA's label data name Sodium aluminum sulfate in their ingredients.
Cookies & Biscuits (636)Mexican Dinner Mixes (264)Cakes, Cupcakes, Snack Cakes (235)Pizza (177)Frozen Dinners & Entrees (149)Prepared Wraps and Burittos (120)Sandwiches/Filled Rolls/Wraps (98)Baking Additives & Extracts (45)
- Veggie & Hummus Bistro Box Taylor Farms · Pre-Packaged Fruit & Vegetables · 1 recall
- Cheese Crispy Thin Crust Pizza Hannaford · Pizza · 1 recall
- Crispy Thin Crust Pizza, Cheese Food Lion · Pizza · 1 recall
- Lemon Meringue Pie, Lemon Meringue First Street · Cakes, Cupcakes, Snack Cakes · 1 recall
- Microwaveable Crispy Thin Crust Pizza Food Lion · Pizza · 1 recall
- Egg & Cheese Breakfast Burrito 72/3.75 OZ Los Cabos · Sandwiches/Filled Rolls/Wraps · 1 recall
- Egg & Cheese Breakfast Wrap 72/ 2.5 oz IW Los Cabos · Sandwiches/Filled Rolls/Wraps · 1 recall
- Cinnamon Swirl Crumb Cake & Muffin Mix, Cinnamon Krusteaz · Cake, Cookie & Cupcake Mixes · 1 recall
- Power House Nature Delight Veggie Wrap, Power House Nature Delight Shaw's · Prepared Wraps and Burittos · 1 recall
- Gamesa Arcoiris Marshmallow Cookies (6-2.6 Oz) 15.5 Ounce 6 Pack Box Gamesa · Biscuits/Cookies · 1 recall · 5 additives banned somewhere
- White Chocolate Macadamia Nut Ready To Bake Bag Full Of Cookies, White Chocolate Macadamia Nut Gregory's Foods · Frozen Bread & Dough · 1 recall
- Pizza Clear Value · Pizza · 5 package sizes