| 2909.11 | 000 | Diethyl ether |
| 2909.19 | | Other |
| 2909.19 | 010 | - Ethyl-tertiary-butyl ether certified in accordance with the provisions of a Cabinet Order as being produced from ethyl alcohol (ethanol) which is derived from biomass (organic matters obtained from plants or animals, excluding crude oil, petroleum gas, natural gas, coal and the products made therefrom) |
| 2909.19 | | - Other |
| 2909.19 | 091 | -- Fluorinated derivatives of saturated acyclic ethers |
| 2909.19 | 099 | -- Other |
| 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 | | 1 Brominated derivatives |
| 2909.30 | 110 | - Pentabromodiphenyloxide and tetradecabromodiphenoxybenzene |
| 2909.30 | 190 | - Other |
| 2909.30 | 200 | 2 Other |
| 2909.30 | | Ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives : |
| 2909.41 | 000 | 2,2'-Oxydiethanol (diethylene glycol, digol) |
| 2909.43 | 000 | Monobutyl ethers of ethylene glycol or of diethylene glycol |
| 2909.44 | 000 | Other monoalkylethers of ethylene glycol or of diethylene glycol |
| 2909.49 | | Other |
| 2909.49 | 010 | - Triethylene glycol |
| 2909.49 | 090 | - Other |
| 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 |
