Stearyl palmityl tartrate is a derivative of tartaric acid used as an emulsifier.

[1] Stearyl palmityl tartrate consists mainly of diesters, with minor amounts of monoester and of unchanged starting materials.

Stearyl palmityl tartrate is used as emulsifier under the E number E 483.

The Food and Agriculture Organization of the United Nations sets limits of use at 4 g/kg for bakery wares and 5 g/kg for dessert products.

[2] Use of stearyl palmityl tartrate is prohibited in Australia.