HS chapter 28
Inorganic chemicals
Chapter 28 has 51 headings with 247 EU tariff lines and 409 Mercosur tariff lines. Duty-free from entry into force: 64 EU and 2 Mercosur lines. Ten years or more, a quota or excluded: 1 EU and 175 Mercosur lines.
Official chapter title: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes · Data last updated 18 October 2026
How fast duties fall
Tariff lines of the chapter by staging category, in each schedule.
| Treatment | EU lines | Mercosur lines |
|---|---|---|
| Duty-free from entry into force (0) | 64 | 2 |
| Phased out over 4 to 8 years | 182 | 232 |
| Phased out over 10 years | 1 | 170 |
| Excluded (E) | 0 | 5 |
Headings in this chapter
Headings with a product page are linked. For the others, open the calculator. Heading descriptions are the English HS nomenclature.
| Heading | Description | Into the EU | Into Brazil | Calculate |
|---|---|---|---|---|
| 2801 | Fluorine, chlorine, bromine and iodine | base 0–5.5%zero by 2030 | base 2–8%zero by 2034 | Calculate |
| 2802 | Sulphur; sublimed or precipitated, colloidal sulphur | base 4.6%zero by 2030 | base 2%zero by 2030 | Calculate |
| 2803 | Carbon; carbon blacks and other forms of carbon n.e.c. | base 0% | base 2–8%zero by 2034 | Calculate |
| 2804 | Hydrogen, rare gases and other non-metals | base 0–5.5%zero by 2030 | base 2–6%zero by 2034 | Calculate |
| 2805 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury | base 0–5.5%zero by 2030 | base 2%zero by 2030 | Calculate |
| 2806 | Hydrogen chloride (hydrochloric acid); chlorosulphuric acid | base 5.5%zero by 2030 | base 6–10%zero by 2036 | Calculate |
| 2807 | Sulphuric acid; oleum | base 3% | base 4%zero by 2036 | Calculate |
| 2808 | Nitric acid; sulphonitric acids | base 5.5%zero by 2030 | base 10%zero by 2036 | Calculate |
| 2809 | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined | base 5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2810 | Oxides of boron; boric acids | base 0–3.7% | base 10%zero by 2036 | Calculate |
| 2811 | Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810 | base 0–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2812 | Halides and halide oxides of non-metals | base 5.5%zero by 2030 | base 2%zero by 2030 | Calculate |
| 2813 | Sulphides of non-metals; commercial phosphorus trisulphide | base 3.7–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2814 | Ammonia; anhydrous or in aqueous solution | base 5.5%zero by 2030 | base 4%zero by 2030 | Calculate |
| 2815 | Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash) peroxides of sodium or potassiumExcluded lines | base 5.5%zero by 2030 | base 2–8%zero by 2030 | Calculate |
| 2816 | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium | base 4.1–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2817 | Zinc; oxide and peroxide | base 5.5%zero by 2036 | base 10%zero by 2036 | Calculate |
| 2818 | Aluminium oxide (including artificial corundum); aluminium hydroxide | base 4–5.5%zero by 2030 | base 0–2%zero by 2030 | Calculate |
| 2819 | Chromium oxides and hydroxides | base 3.7–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2820 | Manganese oxides | base 0–5.5%zero by 2030 | base 10%zero by 2036 | Calculate |
| 2821 | Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2o3 | base 4.6%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2822 | Cobalt oxides and hydroxides; commercial cobalt oxides | base 4.6%zero by 2030 | base 2%zero by 2030 | Calculate |
| 2823 | Titanium oxides | base 5.5%zero by 2030 | base 8–10%zero by 2036 | Calculate |
| 2824 | Lead oxides; red lead and orange lead | base 5.5%zero by 2030 | base 10%zero by 2036 | Calculate |
| 2825 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides | base 0–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2826 | Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts | base 5–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2827 | Chlorides; chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides | base 2.1–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2828 | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites | base 5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2829 | Chlorates and perchlorates; bromates and perbromates; iodates and periodates | base 0–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2830 | Sulphides; polysulphides whether or not chemically defined | base 4.6–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2831 | Dithionites and sulphoxylates | base 5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2832 | Sulphites; thiosulphates | base 5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2833 | Sulphates; alums; peroxosulphates (persulphates)Excluded lines | base 3.2–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2834 | Nitrites; nitrates | base 3–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2835 | Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; and polyphosphates, whether or not chemically defined | base 5.3–5.5%zero by 2030 | base 0–10%zero by 2036 | Calculate |
| 2836 | CarbonatesExcluded lines | base 3.7–5.5%zero by 2030 | base 0–20%zero by 2036 | Calculate |
| 2837 | Cyanides, cyanide oxides and complex cyanides | base 5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2839 | Silicates; commercial alkali metal silicates | base 5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2840 | Borates; peroxoborates (perborates) | base 0–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2841 | Salts of oxometallic or peroxometallic acids | base 4.6–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2842 | Salts of inorganic acids or peroxoacids, n.e.c. including aluminosilicates whether or not chemically defined, but excluding azides | base 5.3–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2843 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals | base 3–5.5%zero by 2030 | base 0–10%zero by 2036 | Calculate |
| 2844 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes); and their compounds; mixtures and residues containing these products | base 0–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2845 | Isotopes other than those of heading no. 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined | base 5.5%zero by 2030 | base 2%zero by 2030 | Calculate |
| 2846 | Compounds, inorganic or organic, of rare-earth metals; of yttrium or of scandium or of mixtures of these metals | base 3.2% | base 2–10%zero by 2036 | Calculate |
| 2847 | Hydrogen peroxide; whether or not solidified with ureaExcluded lines | base 5.5%zero by 2030 | base 10% | Calculate |
| 2848 | Phosphides, whether or not chemically defined, excluding ferrophosphorus | base 5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2849 | Carbides, whether or not chemically defined | base 4.1–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2850 | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading no. 2849 | base 4.6–5.5%zero by 2030 | base 2–10%zero by 2036 | Calculate |
| 2852 | Inorganic or organic compounds of mercury, excluding amalgams, whether or not chemically defined | base 5.5%zero by 2030 | base 2–14%zero by 2036 | Calculate |
| 2853 | Phosphides, chemically defined or not, not ferrophosphorus; other inorganic compounds n.e.c. (including distilled, conductivity water and water of like purity); liquid air, rare gases removed or not; compressed air; amalgams, not precious metal amalgams | base 2.7–5.5%zero by 2030 | base 2%zero by 2030 | Calculate |