| 2917.39 | | - Other |
| 2917.39 | 010 | -- Phthalic acid and isophthalic acid |
| 2917.39 | 090 | -- Other |
| 29.18 | | Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. |
| 29.18 | | Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : |
| 2918.11 | 000 | Lactic acid, its salts and esters |
| 2918.12 | 000 | Tartaric acid |
| 2918.13 | 000 | Salts and esters of tartaric acid |
| 2918.14 | 000 | Citric acid |
| 2918.15 | | Salts and esters of citric acid |
| 2918.15 | 010 | 1 Calcium citrate |
| 2918.15 | 090 | 2 Other |
| 2918.16 | 000 | Gluconic acid, its salts and esters |
| 2918.17 | 000 | 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) |
| 2918.18 | 000 | Chlorobenzilate (ISO) |
| 2918.19 | | Other |
| 2918.19 | 010 | 1 Cholic acid |
| 2918.19 | 090 | 2 Other |
| 2918.19 | | Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : |
| 2918.21 | 000 | Salicylic acid and its salts |
| 2918.22 | 000 | O-Acetylsalicylic acid, its salts and esters |
| 2918.23 | 000 | Other esters of salicylic acid and their salts |
| 2918.29 | 000 | Other |