| 28.14 | | Ammonia, anhydrous or in aqueous solution |
| 2814.10 | 000 | Anhydrous ammonia |
| 28.15 | | Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium |
| 28.15 | | Sodium hydroxide (caustic soda) : |
| 2815.11 | 000 | Solid |
| 2815.12 | 000 | In aqueous solution (soda lye or liquid soda) |
| 2815.20 | 000 | Potassium hydroxide (caustic potash) |
| 2815.30 | 000 | Peroxides of sodium or potassium |
| 28.16 | | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium |
| 2816.10 | 000 | Hydroxide and peroxide of magnesium |
| 2816.40 | 000 | Oxides, hydroxides and peroxides, of strontium or barium |
| 2817.00 | 000 | Zinc oxide; zinc peroxide |
| 28.18 | | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide |
| 2818.10 | | Artificial corundum, whether or not chemically defined |
| 2818.10 | 010 | - Sized grains |
| 2818.20 | 000 | Aluminium oxide, other than artificial corundum |
| 2818.30 | 000 | Aluminium hydroxide |
| 28.19 | | Chromium oxides and hydroxides |
| 2819.10 | 000 | Chromium trioxide |
| 28.20 | | Manganese oxides |
| 2820.10 | 000 | Manganese dioxide |
| 28.21 | | Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3 |
| 2821.10 | | Iron oxides and hydroxides |
Harmonized Tariff Schedule of Japans inquiry: 51412019l307764784
