| 2904.32 | 000 | Ammonium perfluorooctane sulphonate | 
| 2904.33 | 000 | Lithium perfluorooctane sulphonate | 
| 2904.34 | 000 | Potassium perfluorooctane sulphonate | 
| 2904.99 |  | II.- ALCOHOLS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES | 
| 29.05 |  | Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 2905.49 |  | Halogenated, sulphonated, nitrated or nitrosated derivatives of acyclic alcohols : | 
| 29.06 |  | Cyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 2906.29 |  | III.- PHENOLS, PHENOL-ALCOHOLS, AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES | 
| 29.08 |  | Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols. | 
| 2908.99 |  | IV.- ETHERS, ALCOHOL PEROXIDES, ETHER PEROXIDES, KETONE PEROXIDES, EPOXIDES WITH A THREE-MEMBERED RING, ACETALS AND HEMIACETALS, AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES | 
| 29.09 |  | Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 29.09 |  | Acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives : | 
| 2909.20 | 000 | Cyclanic, cyclenic or cycloterpenic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives | 
| 2909.30 |  | Aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives | 
| 2909.30 |  | Ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives : | 
| 2909.50 | 000 | Ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives | 
| 2909.60 | 000 | Alcohol peroxides, ether peroxides, ketone peroxides and their halogenated, sulphonated, nitrated or nitrosated derivatives | 
| 29.10 |  | Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives | 
| 2911.00 | 000 | Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 2913.00 | 000 | Halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 29.12. | 
| 29.14 |  | Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 2914.69 |  | Halogenated, sulphonated, nitrated or nitrosated derivatives | 
| 2914.79 |  | VII.- CARBOXYLIC ACIDS AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES |