Aluminium Sulfate E520
stabilizer, carrier — Primarily synthetic.
Aluminium sulfate (Al2(SO4)3)
CAS: 10043-01-3
Factual Regulatory Reference
This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.
? Did You Know?
Beyond food, Aluminium Sulfate is also used in cosmetics, medicine, industrial applications, household products. Its versatility makes it one of the most multi-purpose chemical compounds in everyday life.
Detailed Regulatory Assessment
European Union (EFSA)
Permitted in limited food categories with maximum residue limits. Primarily candied and crystallized fruits.
Official EFSA LinkUnited States (FDA)
Limited to specific uses in food processing, particularly pickling.
Japan (MHLW)
Restricted use with maximum residue levels.
Acceptable Daily Intake (ADI)
International Standard (JECFA)
mg/kg body weight per day
European Standard (EFSA)
Natural Occurrence
This additive is not known to occur naturally in significant quantities.
Manufacturing
Produced by reacting aluminum hydroxide or bauxite ore with sulfuric acid. The solution is then crystallized to obtain various hydrated forms of aluminum sulfate.
Applications Beyond Food
Astringent in some antiperspirants and styptic pencils (though potassium alum is more common).
Vaccine adjuvants (though usually as aluminum hydroxide or phosphate).
Water treatment (flocculation), paper sizing, dyeing mordant, fireproofing textiles.
Pickling cucumbers (in some traditional recipes), water purification.