Stearyl palmityl tartrate is a derivative of tartaric acid used as an emulsifier. It is produced by esterification of tartaric acid with commercial grade stearyl alcohol, which generally consists of a mixture of the fatty alcohols stearyl and palmityl alcohol.^[1] Stearyl palmityl tartrate consists mainly of diesters, with minor amounts of monoester and of unchanged starting materials.

Quick Facts Names, Identifiers ...

Stearyl palmityl tartrate^[1]

Names
Other names Stearyl tartrate E 483
Identifiers
E number	E483 (thickeners, ...)
Properties
Chemical formula	C40H74O6 to C38H78O6
Molar mass	627 to 655 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

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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.^{[citation needed]}