| Specification | Tall Oil Fatty Acids (TOFA) | |
|---|---|---|
| Color (Iodine scale), max. | 10–20 | |
| Acid number, mg KOH/g of acids, min. | 180 | |
| Iodine number, g I₂ per 100 g of acids, min. | 150 | |
| Mass fraction of resin acids, %, max. | 3 | |
| Mass fraction of non-soapifiable matter, %, max. | 6 | |