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Additives

Sodium Sesquicarbonate (E500III): What It Is and Is It Safe?

Safe Acidity Regulator / Raising Agent

A mixed crystal of sodium carbonate and sodium bicarbonate (Na₂CO₃·NaHCO₃·2H₂O). Intermediate in alkalinity between E500I and E500II. Less hygroscopic than sodium carbonate, making it easier to handle as a powder. Used as an acidity regulator and mild raising agent. Considered safe at normal food use levels.

Category
Acidity Regulator / Raising Agent
Typically used in
Baked goods, effervescent products, some processed foods
Regulatory status
Approved EU/USA/UK.

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