Chapter 28 — Customs Tariff Headings
Subheadings
28.01Fluorine, chlorine, bromine and iodine.
→2802.00.00Sulphur, sublimed or precipitated; colloidal sulphur.
→2803.00.00Carbon (carbon blacks and other forms of carbon not elsewhere specified or included).
→28.04Hydrogen, rare gases and other non-metals.
→28.05Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury.
→28.06Hydrogen chloride (hydrochloric acid); chlorosulphuric acid.
→2807.00.00Sulphuric acid; oleum.
→2808.00.00Nitric acid; sulphonitric acids.
→28.09Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined.
→2810.00.00Oxides of boron; boric acids.
→28.11Other inorganic acids and other inorganic oxygen compounds of non-metals.
→28.12Halides and halide oxides of non-metals.
→28.13Sulphides of non-metals; commercial phosphorus trisulphide.
→28.14Ammonia, anhydrous or in aqueous solution.
→28.15Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.
→28.16Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium.
→2817.00.00Zinc oxide; zinc peroxide.
→28.18Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide.
→28.19Chromium oxides and hydroxides.
→28.20Manganese oxides.
→28.21Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2O3.
→2822.00.00Cobalt oxides and hydroxides; commercial cobalt oxides.
→2823.00.00Titanium oxides.
→28.24Lead oxides; red lead and orange lead.
→28.25Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides.
→28.26Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts.
→28.27Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides.
→28.28Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites.
→28.29Chlorates and perchlorates; bromates and perbromates; iodates and periodates.
→28.30Sulphides; polysulphides, whether or not chemically defined.
→28.31Dithionites and sulphoxylates.
→28.32Sulphites; thiosulphates.
→28.33Sulphates; alums; peroxosulphates (persulphates).
→28.34Nitrites; nitrates.
→28.35Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined.
→28.36Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate.
→28.37Cyanides, cyanide oxides and complex cyanides.
→28.39Silicates; commercial alkali metal silicates.
→28.40Borates; peroxoborates (perborates).
→28.41Salts of oxometallic or peroxometallic acids.
→28.42Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides.
→28.43Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals.
→28.44Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products.
→28.45Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined.
→28.46Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.
→2847.00.00Hydrogen peroxide, whether or not solidified with urea.
→28.49Carbides, whether or not chemically defined.
→2850.00.00Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.
→28.52Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams.
→28.53Phosphides, whether or not chemically defined, excluding ferrophosphorus; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals.
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