Ammonium Sulfate E517
dough strengthener, yeast nutrient, processing aid — Primarily synthetic.
Ammonium sulfate ((NH4)2SO4)
CAS: 7783-20-2
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?
Ammonium Sulfate occurs naturally in Mascagnite mineral (rare) and Volcanic fumaroles. Many people consume it daily without realizing it's also a listed food additive.
Beyond food, Ammonium 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.
In the EU, Ammonium Sulfate has a "quantum satis" authorization — Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.
Detailed Regulatory Assessment
European Union (EFSA)
Permitted as processing aid and dough conditioner in specific food categories.
Official EFSA LinkUnited States (FDA)
Used primarily as yeast nutrient in bread making.
Japan (MHLW)
Compliant with Japanese food sanitation law.
Acceptable Daily Intake (ADI)
International Standard (JECFA)
mg/kg body weight per day
European Standard (EFSA)
Natural Occurrence
While ammonium sulfate occurs naturally in volcanic areas and as the rare mineral mascagnite, all commercial production is synthetic.
Manufacturing
Produced by reacting ammonia with sulfuric acid, or as a byproduct of coke oven operations and various chemical manufacturing processes. The reaction of ammonia and sulfuric acid is highly exothermic.
Applications Beyond Food
Rarely used.
Rarely used in pharmaceuticals.
Fertilizers (major use - nitrogen and sulfur source), flame retardants, protein purification.
Water treatment in swimming pools (rarely).