These are the NMR data files for the article: "Characterisation of Turkey red oil by 1H and 13C NMR spectroscopy" Coloration Technology Wertz, Julie; France, David; Quye, Anita 1H denotes proton spectra 13C denotes carbon spectra TRO=Turkey red oil Castor oil: Spectra of castor oil reference Ricinoleic acid: Spectra of ricinoleic acid reference Estolides: Spectra of coco-oleic-2-ethylhexyl ester reference TRO Replica: Spectra of re-created Turkey red oil TRO Fluka: Spectra of commercial Turkey red oil made by Fluka TRO DB: Spectra of historical Turkey red oil donated by D. Bamford TRO SDC: Spectra of historical Turkey red oil from the Society of Dyers and Colourists Castor oil Toluene: Spectra of castor oil dried with toluene for confirmation The .dx files are a generic format that can be opened by most programs.