| 2806.10 | 000 | Hydrogen chloride (hydrochloric acid) |
| 2806.20 | 000 | Chlorosulphuric acid |
| 28.07 | | |
| 2807.00 | 000 | Sulphuric acid; oleum |
| 28.08 | | |
| 2808.00 | 000 | Nitric acid; sulphonitric acids |
| 28.09 | | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined |
| 2809.10 | 000 | Diphosphorus pentaoxide |
| 2809.20 | 000 | Phosphoric acid and polyphosphoric acids |
| 28.10 | | |
| 2810.00 | 000 | Oxides of boron; boric acids |
| 28.11 | | Other inorganic acids and other inorganic oxygen compounds of non-metals |
| 28.11 | | Other inorganic acids |
| 2811.11 | 000 | Hydrogen fluoride (hydrofluoric acid) |
| 2811.12 | 000 | Hydrogen cyanide (hydrocyanic acid) |
| 2811.19 | | Other |
| 2811.19 | 100 | - Hydrobromic acid |
| 2811.19 | 900 | - Other |
| 2811.19 | | Other inorganic oxygen compounds of non-metals : |
| 2811.21 | 000 | Carbon dioxide |
| 2811.22 | 000 | Silicon dioxide |
| 2811.29 | | Other |
| 2811.29 | | 1 Dinitrogen tetroxide and Sulphur dioxide |
Harmonized Tariff Schedule of Japans inquiry: 51412019l307764784
