| 284590 | Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined-Other |
| 284610 | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals-Cerium compounds |
| 284690 | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals-Other |
| 284700 | -Hydrogen peroxide, whether or not solidified with urea |
| 284800 | -Phosphides, whether or not chemically defined, excluding ferrophosphorus |
| 284910 | Carbides, whether or not chemically defined-Of calcium |
| 284920 | Carbides, whether or not chemically defined-Of silicon |
| 284990 | Carbides, whether or not chemically defined-Other |
| 285000 | -Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49 |
| 285210 | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams-Chemically defined |
| 285290 | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams-Other |
| 285300 | -Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals |
| 290110 | Acyclic hydrocarbons.-Saturated |
| 290121 | Acyclic hydrocarbons.-Ethylene |
| 290122 | Acyclic hydrocarbons.-Propene (propylene) |
