Inorganic chemicals

Common codes in chapter 28

• 280110Chlorine
• 280120Iodine
• 280130Fluorine; bromine
• 280200Sulphur; sublimed or precipitated, colloidal sulphur
• 280300Carbon; carbon blacks and other forms of carbon n.e.c.
• 280410Hydrogen
• 280421Gases, rare; argon
• 280429Gases, rare; other than argon
• 280430Nitrogen
• 280440Oxygen
• 280450Boron; tellurium
• 280461Silicon; containing by weight not less than 99.99% of silicon
• 280469Silicon; containing by weight less than 99.99% of silicon
• 280470Phosphorus
• 280480Arsenic
• 280490Selenium
• 280511Alkali or alkali-earth metals; sodium
• 280512Alkali or alkali-earth metals; calcium
• 280519Alkali or alkali-earth metals; other than sodium and calcium
• 280530Earth-metals, rare; scandium and yttrium, whether or not intermixed or interalloyed
• 280540Mercury
• 280610Hydrogen chloride (hydrochloric acid)
• 280620Chlorosulphuric acid
• 280700Sulphuric acid; oleum
• 280800Nitric acid; sulphonitric acids
• 280910Diphosphorus pentoxide
• 280920Phosphoric acid and polyphosphoric acids
• 281000Oxides of boron; boric acids
• 281111Hydrogen fluoride (hydrofluoric acid)
• 281112Hydrogen cyanide (hydrocyanic acid)
• 281119Inorganic acids; other than hydrogen fluoride
• 281121Carbon dioxide
• 281122Silicon dioxide
• 281129Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2
• 281211Carbonyl dichloride (phosgene)
• 281212Phosphorus oxychloride
• 281213Phosphorus trichloride
• 281214Phosphorus pentachloride
• 281215Sulphur monochloride
• 281216Sulphur dichloride
• 281217Thionyl chloride
• 281219Arsenic trichloride and other chlorides and chloride oxides, n.e.c. in item no. 2812
• 281290Halides and halide oxides of non-metals; excluding chloride
• 281310Carbon disulphide
• 281390Sulphides of non-metals, (excluding carbon); commercial phosphorus trisulphide
• 281410Ammonia; anhydrous
• 281420Ammonia; in aqueous solution
• 281511Sodium hydroxide (caustic soda); solid
• 281512Sodium hydroxide (caustic soda); in aqueous solution (soda lye or liquid soda)
• 281520Potassium hydroxide (caustic potash)
• 281530Peroxides of sodium or potassium
• 281610Hydroxide and peroxide of magnesium
• 281640Oxides, hydroxides and peroxides, of strontium or barium
• 281700Zinc; oxide and peroxide
• 281810Aluminium oxide; artificial corundum
• 281820Aluminium oxide; other than artificial corundum
• 281830Aluminium hydroxide
• 281910Chromium trioxide
• 281990Chromium oxides and hydroxides; excluding chromium trioxide
• 282010Manganese dioxide
• 282090Manganese oxides; excluding manganese dioxide
• 282110Iron oxides and hydroxides
• 282120Earth colours; containing 70% or more by weight of combined iron evaluated as Fe2o3
• 282200Cobalt oxides and hydroxides; commercial cobalt oxides
• 282300Titanium oxides
• 282410Lead; lead monoxide (litharge, massicot)
• 282490Lead oxides; n.e.c. in heading no. 2824
• 282510Hydrazine and hydroxylamine and their inorganic salts
• 282520Lithium oxide and hydroxide
• 282530Vanadium oxides and hydroxides
• 282540Nickel oxides and hydroxides
• 282550Copper oxides and hydroxides
• 282560Germanium oxides and zirconium dioxide
• 282570Molybdenum oxides and hydroxides
• 282580Antimony oxides
• 282590Inorganic bases, metal oxides, hydroxides and peroxides; n.e.c. in heading no. 2825
• 282612Fluorides; of aluminium
• 282619Fluorides; other than of aluminium
• 282630Sodium hexafluoroaluminate (synthetic cryolite)
• 282690Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts, n.e.c. in heading no. 2826
• 282710Chlorides; of ammonium
• 282720Chlorides; of calcium
• 282731Chlorides; of magnesium
• 282732Chlorides; of aluminium
• 282735Chlorides; of nickel
• 282739Chlorides; other than of ammonium, calcium, magnesium, aluminium and nickel
• 282741Chloride oxides and chloride hydroxides; of copper
• 282749Chloride oxides and chloride hydroxides; other than of copper
• 282751Bromides; of sodium or of potassium
• 282759Bromides and bromide oxides; other than item no. 2827.51
• 282760Iodides and iodide oxides
• 282810Hypochlorites; commercial calcium hypochlorite and other calcium hypochlorites
• 282890Hypochlorites; n.e.c. in heading no. 2828
• 282911Chlorates; of sodium
• 282919Chlorates; other than sodium
• 282990Perchlorates; bromates and perbromates; iodates and periodates
• 283010Sulphides; of sodium, whether or not chemically defined
• 283090Sulphides and polysulphides; whether or not chemically defined, other than sulphides of sodium
• 283110Dithionites and sulphoxylates; of sodium
• 283190Dithionites and sulphoxylates; other than sodium
• 283210Sulphites; of sodium
• 283220Sulphites; other than of sodium
• 283230Thiosulphates
• 283311Sodium sulphates; disodium sulphate
• 283319Sodium sulphates; other than disodium sulphate
• 283321Sulphates; of magnesium
• 283322Sulphates; of aluminium
• 283324Sulphates; of nickel
• 283325Sulphates; of copper
• 283327Sulphates; of barium
• 283329Sulphates; n.e.c. in item no. 2833.2
• 283330Alums
• 283340Peroxosulphates (persulphates)
• 283410Nitrites
• 283421Nitrates; of potassium
• 283429Nitrates; of other than potassium
• 283510Phosphinates (hypophosphites) and phosphonates (phosphites), whether or not chemically defined
• 283522Phosphates; of mono- or disodium, whether or not chemically defined
• 283524Phosphates; of potassium, whether or not chemically defined
• 283525Phosphates; calcium hydrogenorthophosphate (dicalcium phosphate), whether or not chemically defined
• 283526Phosphates; of calcium n.e.c. in item no. 2835.25, whether or not chemically defined
• 283529Phosphates; (other than of mono- or disodium, other than of potassium or of calcium hydrogenorthophosphate (dicalcium phosphate) and excluding other phosphates of calcium), whether or not chemically defined
• 283531Polyphosphates; sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined
• 283539Polyphosphates; other than sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined
• 283620Carbonates; disodium carbonate
• 283630Carbonates; sodium hydrogen carbonate (sodium bicarbonate)
• 283640Carbonates; potassium carbonate
• 283650Carbonates; calcium carbonate
• 283660Carbonates; barium carbonate
• 283691Carbonates; lithium carbonate
• 283692Carbonates; strontium carbonate
• 283699Carbonates; n.e.c. in heading no. 2836 and other than lithium or strontium
• 283711Cyanides and cyanide oxides; of sodium
• 283719Cyanides and cyanide oxides; other than of sodium
• 283720Complex cyanides
• 283911Silicates; sodium metasilicates
• 283919Silicates; of sodium (excluding sodium metasilicates)
• 283990Silicates; commercial alkali metal silicates, other than of sodium
• 284011Borates; disodium tetraborate (refined borax), anhydrous
• 284019Borates; disodium tetraborate (refined borax), other than anhydrous
• 284020Borates; n.e.c. in heading no. 2840
• 284030Peroxoborates (perborates)
• 284130Salts; sodium dichromate
• 284150Salts; chromates, dichromates, peroxochromates; n.e.c. in heading no. 2841
• 284161Salts; of oxometallic or peroxometallic acids, manganites, manganates and permanganates, potassium permanganate
• 284169Salts; of oxometallic or peroxometallic acids, manganites, manganates and permanganates, other than potassium permanganate
• 284170Salts; molybdates
• 284180Salts; tungstates (wolframates)
• 284190Salts of oxometallic or peroxometallic acids; n.e.c. in heading no. 2841
• 284210Salts of inorganic acids or peroxoacids, double or complex silicates, including aluminosilicates, whether or not chemically defined, excluding azides
• 284290Salts; of inorganic acids or peroxoacids, other than double or complex silicates, including aluminosilicates, whether or not chemically, excluding azides
• 284310Colloidal precious metals; whether or not chemically defined
• 284321Silver compounds; silver nitrates
• 284329Silver compounds; excluding silver nitrates
• 284330Gold compounds
• 284390Inorganic or organic compounds of precious metals, n.e.c.; amalgams
• 284410Uranium; natural uranium and its compounds, alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds
• 284420Uranium; enriched in U235, plutonium, their compounds, alloys dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products
• 284430Uranium; depleted in U235, thorium, their compounds, alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium; compounds of these products
• 284441Radioactive elements; tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds
• 284442Radioactive elements; actinium-225, 227, californium-253, curium-240, 241, 242, 243, 244, einsteinium-253, 254, gadolinium-148, polonium-208, 209, 210, radium-223, uranium-230 or 232, compounds; alloys, dispersions, ceramic products and mixtures
• 284443Radioactive elements, isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds
• 284444Radioactive elements, isotopes, compounds n.e.c. in heading no. 2844, alloys, dispersions (including cermets), ceramic products, mixtures containing the elements, isotopes, compounds; radioactive residues
• 284450Spent (irradiated) fuel elements (cartridges) of nuclear reactors
• 284510Heavy water (deuterium oxide)
• 284520Boron enriched in boron-10 and its compounds
• 284530Lithium enriched in lithium-6 and its compounds
• 284540Helium-3
• 284590Isotopes other than those of heading no. 2844, 2845.20, 2845.30 or 2845.40; compounds, inorganic or organic, of such isotopes, whether or not chemically defined
• 284610Cerium compounds
• 284690Compounds, inorganic or organic (excluding cerium), of rare-earth metals, of yttrium, scandium or of mixtures of these metals
• 284700Hydrogen peroxide; whether or not solidified with urea
• 284910Carbides; of calcium, whether or not chemically defined
• 284920Carbides; of silicon, whether or not chemically defined
• 284990Carbides; whether or not chemically defined, other than of calcium or silicon
• 285000Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading no. 2849
• 285210Inorganic or organic compounds of mercury, excluding amalgams, chemically defined
• 285290Inorganic or organic compounds of mercury; excluding amalgams, not chemically defined,
• 285310Inorganic compounds; cyanogen chloride (chlorcyan)
• 285390Phosphides, 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