Dibutyl tartrate is a di-ester of tartaric acid and butanol.

[1] It has been used as a chiral oil to separate enantiomers in chromatography.

[2][3] Another use is in farinographs.

[5] The material is classed as "green" as it is made from natural products, and is biodegradable.

[6] The dielectric constant of dibutyl tartrate is 9.4[7]