HS chapter 28: Inorganic chemicals
Chapter 28 of the EU Combined Nomenclature 2026, with the official text of every heading in it and their 6-digit subheadings.
Official description
28INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES
- Headings (4 digits)
- 50
- Subheadings (6 digits)
- 180
- CN codes (8 digits)
- 266
Headings in chapter 28
Explanatory note (Eurostat): Fluorine, chlorine, bromine and iodine
- 2801 10 Chlorine
- 2801 20 Iodine
- 2801 30 Fluorine; bromine
Explanatory note (Eurostat): Sulphur, sublimed or precipitated; colloidal sulphur
- 2802 00 Sulphur, sublimed or precipitated; colloidal sulphur
Explanatory note (Eurostat): Carbon "carbon blacks and other forms of carbon", n.e.s.
- 2803 00 Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
Explanatory note (Eurostat): Hydrogen, rare gases and other non-metals
- 2804 10 Hydrogen
- 2804 21 Rare gases | Argon
- 2804 29 Rare gases | Other
- 2804 30 Nitrogen
- 2804 40 Oxygen
- 2804 50 Boron; tellurium
- 2804 61 Silicon | Containing by weight not less than 99,99 % of silicon
- 2804 69 Silicon | Other
- 2804 70 Phosphorus
- 2804 80 Arsenic
- 2804 90 Selenium
Explanatory note (Eurostat): Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury
- 2805 11 Alkali or alkaline-earth metals | Sodium
- 2805 12 Alkali or alkaline-earth metals | Calcium
- 2805 19 Alkali or alkaline-earth metals | Other
- 2805 30 Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed
- 2805 40 Mercury
Explanatory note (Eurostat): Hydrogen chloride "hydrochloric acid"; chlorosulphuric acid
- 2806 10 Hydrogen chloride (hydrochloric acid)
- 2806 20 Chlorosulphuric acid
Explanatory note (Eurostat): Sulphuric acid; oleum
- 2807 00 Sulphuric acid; oleum
- 2808II. INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS | Nitric acid; sulphonitric acids
Explanatory note (Eurostat): Nitric acid; sulphonitric acids
- 2808 00 Nitric acid; sulphonitric acids
Explanatory note (Eurostat): Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined
- 2809 10 Diphosphorus pentaoxide
- 2809 20 Phosphoric acid and polyphosphoric acids
Explanatory note (Eurostat): Oxides of boron; boric acids
- 2810 00 Oxides of boron; boric acids
Explanatory note (Eurostat): Inorganic acids and inorganic oxygen compounds of non-metals (excl. hydrogen chloride "hydrochloric acid", chlorosulphuric acid, sulphuric acid, oleum, nitric acid, sulphonitric acids, diphosphorus pentaoxide, phosphoric acid, polyphosphoric acids, oxides of boron and boric acids)
- 2811 11 Other inorganic acids | Hydrogen fluoride (hydrofluoric acid)
- 2811 12 Other inorganic acids | Hydrogen cyanide (hydrocyanic acid)
- 2811 19 Other inorganic acids | Other
- 2811 21 Other inorganic oxygen compounds of non-metals | Carbon dioxide
- 2811 22 Other inorganic oxygen compounds of non-metals | Silicon dioxide
- 2811 29 Other inorganic oxygen compounds of non-metals | Other
Explanatory note (Eurostat): Halides and halide oxides of non-metals
- 2812 11 Chlorides and chloride oxides | Carbonyl dichloride (phosgene)
- 2812 12 Chlorides and chloride oxides | Phosphorus oxychloride
- 2812 13 Chlorides and chloride oxides | Phosphorus trichloride
- 2812 14 Chlorides and chloride oxides | Phosphorus pentachloride
- 2812 15 Chlorides and chloride oxides | Sulphur monochloride
- 2812 16 Chlorides and chloride oxides | Sulphur dichloride
- 2812 17 Chlorides and chloride oxides | Thionyl chloride
- 2812 19 Chlorides and chloride oxides | Other
- 2812 90 Other
Explanatory note (Eurostat): Sulphides of non-metals; commercial phosphorus trisulphide
- 2813 10 Carbon disulphide
- 2813 90 Other
Explanatory note (Eurostat): Ammonia, anhydrous or in aqueous solution
- 2814 10 Anhydrous ammonia
- 2814 20 Ammonia in aqueous solution
Explanatory note (Eurostat): Sodium hydroxide "caustic soda", potassium hydroxide "caustic potash"; peroxides of sodium or potassium
- 2815 11 Sodium hydroxide (caustic soda) | Solid
- 2815 12 Sodium hydroxide (caustic soda) | In aqueous solution (soda lye or liquid soda)
- 2815 20 Potassium hydroxide (caustic potash)
- 2815 30 Peroxides of sodium or potassium
Explanatory note (Eurostat): Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium
- 2816 10 Hydroxide and peroxide of magnesium
- 2816 40 Oxides, hydroxides and peroxides, of strontium or barium
Explanatory note (Eurostat): Zinc oxide; zinc peroxide
- 2817 00 Zinc oxide; zinc peroxide
Explanatory note (Eurostat): Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide
- 2818 10 Artificial corundum, whether or not chemically defined
- 2818 20 Aluminium oxide, other than artificial corundum
- 2818 30 Aluminium hydroxide
- 2819IV. INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS | Chromium oxides and hydroxides
Explanatory note (Eurostat): Chromium oxides and hydroxides
- 2819 10 Chromium trioxide
- 2819 90 Other
Explanatory note (Eurostat): Manganese oxides
- 2820 10 Manganese dioxide
- 2820 90 Other
Explanatory note (Eurostat): Iron oxides and hydroxides; earth colours containing >= 70% by weight of combined iron evaluated as Fe2O3
- 2821 10 Iron oxides and hydroxides
- 2821 20 Earth colours
Explanatory note (Eurostat): Cobalt oxides and hydroxides; commercial cobalt oxides
- 2822 00 Cobalt oxides and hydroxides; commercial cobalt oxides
Explanatory note (Eurostat): Titanium oxides
- 2823 00 Titanium oxides
Explanatory note (Eurostat): Lead oxides; red lead and orange lead
- 2824 10 Lead monoxide (litharge, massicot)
- 2824 90 Other
Explanatory note (Eurostat): Hydrazine and hydroxylamine and their inorganic salts; inorganic bases, metal oxides, hydroxides and peroxides, n.e.s.
- 2825 10 Hydrazine and hydroxylamine and their inorganic salts
- 2825 20 Lithium oxide and hydroxide
- 2825 30 Vanadium oxides and hydroxides
- 2825 40 Nickel oxides and hydroxides
- 2825 50 Copper oxides and hydroxides
- 2825 60 Germanium oxides and zirconium dioxide
- 2825 70 Molybdenum oxides and hydroxides
- 2825 80 Antimony oxides
- 2825 90 Other
Explanatory note (Eurostat): Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts (excl. inorganic or organic compounds of mercury)
- 2826 12 Fluorides | Of aluminium
- 2826 19 Fluorides | Other
- 2826 30 Sodium hexafluoroaluminate (synthetic cryolite)
- 2826 90 Other
Explanatory note (Eurostat): Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides
- 2827 10 Ammonium chloride
- 2827 20 Calcium chloride
- 2827 31 Other chlorides | Of magnesium
- 2827 32 Other chlorides | Of aluminium
- 2827 35 Other chlorides | Of nickel
- 2827 39 Other chlorides | Other
- 2827 41 Chloride oxides and chloride hydroxides | Of copper
- 2827 49 Chloride oxides and chloride hydroxides | Other
- 2827 51 Bromides and bromide oxides | Bromides of sodium or of potassium
- 2827 59 Bromides and bromide oxides | Other
- 2827 60 Iodides and iodide oxides
Explanatory note (Eurostat): Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites
- 2828 10 Commercial calcium hypochlorite and other calcium hypochlorites
- 2828 90 Other
Explanatory note (Eurostat): Chlorates and perchlorates; bromates and perbromates; iodates and periodates
- 2829 11 Chlorates | Of sodium
- 2829 19 Chlorates | Other
- 2829 90 Other
Explanatory note (Eurostat): Sulphides; polysulphides, whether or not chemically defined
- 2830 10 Sodium sulphides
- 2830 90 Other
Explanatory note (Eurostat): Dithionites and sulfoxylates
- 2831 10 Of sodium
- 2831 90 Other
Explanatory note (Eurostat): Sulphites; thiosulphates
- 2832 10 Sodium sulphites
- 2832 20 Other sulphites
- 2832 30 Thiosulphates
Explanatory note (Eurostat): Sulphates; alums; peroxosulphates "persulphates"
- 2833 11 Sodium sulphates | Disodium sulphate
- 2833 19 Sodium sulphates | Other
- 2833 21 Other sulphates | Of magnesium
- 2833 22 Other sulphates | Of aluminium
- 2833 24 Other sulphates | Of nickel
- 2833 25 Other sulphates | Of copper
- 2833 27 Other sulphates | Of barium
- 2833 29 Other sulphates | Other
- 2833 30 Alums
- 2833 40 Peroxosulphates (persulphates)
Explanatory note (Eurostat): Nitrites; nitrates
- 2834 10 Nitrites
- 2834 21 Nitrates | Of potassium
- 2834 29 Nitrates | Other
Explanatory note (Eurostat): Phosphinates "hypophosphites", phosphonates "phosphites" and phosphates; polyphosphates, whether or not chemically defined
- 2835 10 Phosphinates (hypophosphites) and phosphonates (phosphites)
- 2835 22 Phosphates | Of mono- or disodium
- 2835 24 Phosphates | Of potassium
- 2835 25 Phosphates | Calcium hydrogenorthophosphate (dicalcium phosphate)
- 2835 26 Phosphates | Other phosphates of calcium
- 2835 29 Phosphates | Other
- 2835 31 Polyphosphates | Sodium triphosphate (sodium tripolyphosphate)
- 2835 39 Polyphosphates | Other
Explanatory note (Eurostat): Carbonates; peroxocarbonates "percarbonates"; commercial ammonium carbonate containing ammonium carbamate
- 2836 20 Disodium carbonate
- 2836 30 Sodium hydrogencarbonate (sodium bicarbonate)
- 2836 40 Potassium carbonates
- 2836 50 Calcium carbonate
- 2836 60 Barium carbonate
- 2836 91 Other | Lithium carbonates
- 2836 92 Other | Strontium carbonate
- 2836 99 Other | Other
Explanatory note (Eurostat): Cyanides, cyanide oxides and complex cyanides
- 2837 11 Cyanides and cyanide oxides | Of sodium
- 2837 19 Cyanides and cyanide oxides | Other
- 2837 20 Complex cyanides
Explanatory note (Eurostat): Silicates; commercial alkali metal silicates (excl. inorganic or organic compounds of mercury)
- 2839 11 Of sodium | Sodium metasilicates
- 2839 19 Of sodium | Other
- 2839 90 Other
Explanatory note (Eurostat): Borates; peroxoborates "perborates"
- 2840 11 Disodium tetraborate (refined borax) | Anhydrous
- 2840 19 Disodium tetraborate (refined borax) | Other
- 2840 20 Other borates
- 2840 30 Peroxoborates (perborates)
Explanatory note (Eurostat): Salts of oxometallic or peroxometallic acids
- 2841 30 Sodium dichromate
- 2841 50 Other chromates and dichromates; peroxochromates
- 2841 61 Manganites, manganates and permanganates | Potassium permanganate
- 2841 69 Manganites, manganates and permanganates | Other
- 2841 70 Molybdates
- 2841 80 Tungstates (wolframates)
- 2841 90 Other
Explanatory note (Eurostat): Salts of inorganic acids or peroxoacids, incl. aluminosilicates whether or not chemically defined (excl. of oxometallic or peroxometallic acids and azides, and inorganic or organic compounds of mercury)
- 2842 10 Double or complex silicates, including aluminosilicates whether or not chemically defined
- 2842 90 Other
Explanatory note (Eurostat): Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals
- 2843 10 Colloidal precious metals
- 2843 21 Silver compounds | Silver nitrate
- 2843 29 Silver compounds | Other
- 2843 30 Gold compounds
- 2843 90 Other compounds; amalgams
Explanatory note (Eurostat): Radioactive chemical elements and radioactive isotopes, incl. their fissile or fertile chemical elements and isotopes, and their compounds; mixtures and residues containing these products
- 2844 10 Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds
- 2844 20 Uranium enriched in U 235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U 235, plutonium or compounds of these products
- 2844 30 Uranium depleted in U 235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U 235, thorium or compounds of these products
- 2844 41 Radioactive elements and isotopes and compounds other than those of subheading 284410, 284420 or 284430; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues | Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds
- 2844 42 Radioactive elements and isotopes and compounds other than those of subheading 284410, 284420 or 284430; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues | Actinium-225, actinium-227, californium-253, curium-240, curium-241, curium-242, curium-243, curium-244, einsteinium-253, einsteinium-254, gadolinium-148, polonium-208, polonium-209, polonium-210, radium-223, uranium-230 or uranium-232, and their compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements or compounds
- 2844 43 Radioactive elements and isotopes and compounds other than those of subheading 284410, 284420 or 284430; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues | Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds
- 2844 44 Radioactive elements and isotopes and compounds other than those of subheading 284410, 284420 or 284430; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues | Radioactive residues
- 2844 50 Spent (irradiated) fuel elements (cartridges) of nuclear reactors (Euratom)
Explanatory note (Eurostat): Non-radioactive isotopes; inorganic or organic compounds of such isotopes, whether or not chemically defined
- 2845 10 Heavy water (deuterium oxide) (Euratom)
- 2845 20 Boron enriched in boron-10 and its compounds
- 2845 30 Lithium enriched in lithium-6 and its compounds
- 2845 40 Helium-3
- 2845 90 Other
Explanatory note (Eurostat): Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals
- 2846 10 Cerium compounds
- 2846 90 Other
Explanatory note (Eurostat): Hydrogen peroxide, whether or not solidified with urea
- 2847 00 Hydrogen peroxide, whether or not solidified with urea
Explanatory note (Eurostat): Carbides, whether or not chemically defined
- 2849 10 Of calcium
- 2849 20 Of silicon
- 2849 90 Other
Explanatory note (Eurostat): Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined (excl. compounds which are also carbides of heading 2849, and inorganic or organic compounds of mercury whether or not chemically defined)
- 2850 00 Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849
Explanatory note (Eurostat): Compounds, inorganic or organic, of mercury, whether or not chemically defined (excl. amalgams)
- 2852 10 Chemically defined
- 2852 90 Other
Explanatory note (Eurostat): Phosphides, whether or not chemically defined (excl. ferrophosphorus); inorganic compounds, incl. distilled or conductivity water and water of similar purity, n.e.s.; liquid air, whether or not rare gases have been removed; compressed air; amalgams (excl. amalgams of precious metals)
- 2853 10 Cyanogen chloride (chlorcyan)
- 2853 90 Other
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Source
Source: EU Combined Nomenclature 2026 (Commission Implementing Regulation (EU) 2025/1926), © European Union, https://eur-lex.europa.eu/. Reformatted by WISEPIM: indent dashes removed and parent lines joined. Only the Official Journal is authentic.