| 2901.23 | 000 | Butene (butylene) and isomers thereof |
| 2901.24 | | Buta-1,3-diene and isoprene |
| 2901.24 | 010 | 1 Buta-1,3-diene |
| 2901.29 | 000 | Other |
| 29.02 | | Cyclanes, cyclenes and cycloterpenes : |
| 2902.19 | | Other |
| 2902.19 | 010 | 1 5-Ethylidene-2-norbornene |
| 2902.19 | 090 | 2 Other |
| 2902.30 | 000 | Toluene |
| 2902.50 | 000 | Styrene |
| 2902.60 | 000 | Ethylbenzene |
| 2902.90 | 000 | Other |
| 29.03 | | Halogenated derivatives of hydrocarbons. |
| 29.03 | | Saturated chlorinated derivatives of acyclic hydrocarbons : |
| 2903.11 | 000 | Chloromethane (methyl chloride) and chloroethane (ethyl chloride) |
| 2903.12 | 000 | Dichloromethane (methylene chloride) |
| 2903.13 | 000 | Chloroform (trichloromethane) |
| 2903.14 | 000 | Carbon tetrachloride |
| 2903.15 | 000 | Ethylene dichloride (ISO) (1,2-dichloroethane) |
| 2903.19 | | Other |
| 2903.19 | 010 | - 1, 1, 1-Trichloroethane |
| 2903.19 | 90 | - Other |
| 2903.19 | | Unsaturated chlorinated derivatives of acyclic hydrocarbons : |