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Is Stearyl Tartrate vegetarian?

Stearyl Tartrate

Stearyl Tartrate is an emulsifier produced by esterifying stearyl alcohol with tartaric acid. Stearyl alcohol may be derived from animal or vegetable sources, while tartaric acid is typically plant-derived (from grapes). It is used in bakery products and food as a dough conditioner.

Also known as Octadecyl Tartrate, Stearyl Palmityl Tartrate
E number E483
INS number 483
CAS number 17977-66-1
Last reviewed 19 June 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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