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Aluminum Sodium Sulfate
Aluminum Sodium Sulfate
Low concern
FDA classifies sodium aluminum sulfate as GRAS for use as a leavening agent. Aluminum dietary intake from such additives contributes a small fraction of total exposure.
Found in
211 products
What it is
An inorganic salt (sodium alum, NaAl(SO4)2) used as a leavening acid in baked goods.
Acidic component of double-acting baking powder; reacts with sodium bicarbonate to release CO2 during baking.
Why it's flagged
- Adds dietary aluminum, though intake from food additives is generally well below tolerable weekly intake
What regulators actually say
"Sodium aluminum sulfate ... GRAS when used in accordance with good manufacturing practice."
Regulatory status
United States — FDA
GRAS as leavening agent (21 CFR 182.1)
European Union — EFSA
Permitted with TWI for aluminum
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