| 281290 | Halides and halide oxides of non-metals-Other |
| 281310 | Sulphides of non-metals; commercial phosphorus trisulphide-Carbon disulphide |
| 281390 | Sulphides of non-metals; commercial phosphorus trisulphide-Other |
| 281410 | Ammonia, anhydrous or in aqueous solution-Anhydrous ammonia |
| 281420 | Ammonia, anhydrous or in aqueous solution-Ammonia in aqueous solution |
| 281511 | Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium-Solid |
| 281512 | Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium-In aqueous solution (soda lye or liquid soda) |
| 281520 | Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium-Potassium hydroxide (caustic potash) |
| 281530 | Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium-Peroxides of sodium or potassium |
| 281610 | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium-Hydroxide and peroxide of magnesium |
| 281640 | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium-Oxides, hydroxides and peroxides, of strontium or barium |
| 281700 | -Zinc oxide; zinc peroxide |
| 281810 | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide-Artificial corundum, whether or not chemically defined |
| 281820 | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide-Aluminium oxide, other than artificial corundum |
| 281830 | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide-Aluminium hydroxide |
