Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated:
| Subheading | Description | General | Special | Other |
|---|---|---|---|---|
| 2904.10 | Derivatives containing only sulfo groups, their salts and ethyl esters: | — | — | — |
| Other: | ||||
| Aromatic: | ||||
| 2904.20 | Derivatives containing only nitro or only nitroso groups: | — | — | — |
| 2904.31 | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | — | — | — |
| 2904.32 | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | — | — | — |
| 2904.33 | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | — | — | — |
| 2904.34 | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | — | — | — |
| 2904.35 | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | — | — | — |
| 2904.36 | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | — | — | — |
| 2904.91 | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated | — | — | — |
| Other: | ||||
| Aromatic: | ||||
| Perfluorooctane sulfonic acid, its salts and perfluorooctane sulfonyl fluoride: | ||||
| Other: | ||||
| 2904.99 | Other: | — | — | — |