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28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes

Harmonized Tariff Schedule · MFN rates

Chapter 27Chapter 29

2801 Fluorine, chlorine, bromine and iodine

2801.10 Chlorine

  • 2801.10.00.00 ChlorineFree

2801.20 Iodine

  • 2801.20.00.00 IodineFree

2801.30 Fluorine; bromine

  • 2801.30.10.00 Fluorine3.7%
  • 2801.30.20.00 Bromine5.5%

2802 Sulphur; sublimed or precipitated, colloidal sulphur

2802.00 Sulphur; sublimed or precipitated, colloidal sulphur

  • 2802.00.00.00 Sulfur, sublimed or precipitated; colloidal sulfurFree

2803 Carbon; carbon blacks and other forms of carbon n.e.c.

2803.00 Carbon; carbon blacks and other forms of carbon n.e.c.

  • 2803.00.00.10 Carbon blackFree
  • 2803.00.00.50 OtherFree

2804 Hydrogen, rare gases and other non-metals

2804.10 Hydrogen

  • 2804.10.00.00 Hydrogen3.7%

2804.21 Gases, rare; argon

  • 2804.21.00.00 Argon3.7%

2804.29 Gases, rare; other than argon

  • 2804.29.00.10 Helium3.7%
  • 2804.29.00.20 Neon3.7%
  • 2804.29.00.30 Isotopically pure rare gases having a purity of 99 percent or more by volume3.7%
  • 2804.29.00.55 Other3.7%

2804.30 Nitrogen

  • 2804.30.00.00 Nitrogen3.7%

2804.40 Oxygen

  • 2804.40.00.00 Oxygen3.7%

2804.50 Boron; tellurium

  • 2804.50.00.10 BoronFree
  • 2804.50.00.20 TelluriumFree

2804.61 Silicon; containing by weight not less than 99.99% of silicon

  • 2804.61.00.00 Containing by weight not less than 99.99 percent of siliconFree

2804.69 Silicon; containing by weight less than 99.99% of silicon

  • 2804.69.10.00 Containing by weight less than 99.99 percent but not less than 99 percent of silicon5.3%
  • 2804.69.50.00 Other5.5%

2804.70 Phosphorus

  • 2804.70.00.00 PhosphorusFree

2804.80 Arsenic

  • 2804.80.00.00 ArsenicFree

2804.90 Selenium

  • 2804.90.00.00 SeleniumFree

2805 Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury

2805.11 Alkali or alkali-earth metals; sodium

  • 2805.11.00.00 Sodium5.3%

2805.12 Alkali or alkali-earth metals; calcium

  • 2805.12.00.00 Calcium3%

2805.19 Alkali or alkali-earth metals; other than sodium and calcium

  • 2805.19.10.00 Strontium3.7%
  • 2805.19.20.00 BariumFree
  • Other
  • 2805.19.90.10 Lithium5.5%
  • 2805.19.90.90 Other5.5%

2805.30 Earth-metals, rare; scandium and yttrium, whether or not intermixed or interalloyed

  • Not intermixed or interalloyed
  • 2805.30.00.05 Lanthanum5%
  • 2805.30.00.10 Cerium5%
  • 2805.30.00.15 Praseodymium5%
  • 2805.30.00.20 Neodymium5%
  • 2805.30.00.50 Other5%
  • 2805.30.00.90 Other5%

2805.40 Mercury

  • 2805.40.00.00 Mercury1.7%

2806 Hydrogen chloride (hydrochloric acid); chlorosulphuric acid

2806.10 Hydrogen chloride (hydrochloric acid)

  • 2806.10.00.00 Hydrogen chloride (Hydrochloric acid)Free

2806.20 Chlorosulphuric acid

  • 2806.20.00.00 Chlorosulfuric acid4.2%

2807 Sulphuric acid; oleum

2807.00 Sulphuric acid; oleum

  • 2807.00.00.00 Sulfuric acid; oleumFree

2808 Nitric acid; sulphonitric acids

2808.00 Nitric acid; sulphonitric acids

  • 2808.00.00.10 Nitric acidFree
  • 2808.00.00.20 Sulfonitric acidsFree

2809 Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined

2809.10 Diphosphorus pentoxide

  • 2809.10.00.00 Diphosphorus pentaoxideFree

2809.20 Phosphoric acid and polyphosphoric acids

  • Phosphoric acid
  • Fertilizer grade
  • 2809.20.00.10 Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalentsFree
  • 2809.20.00.20 OtherFree
  • 2809.20.00.30 OtherFree
  • 2809.20.00.40 Polyphosphoric acidsFree

2810 Oxides of boron; boric acids

2810.00 Oxides of boron; boric acids

  • 2810.00.00.00 Oxides of boron; boric acids1.5%

2811 Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810

2811.11 Hydrogen fluoride (hydrofluoric acid)

  • 2811.11.00.00 Hydrogen fluoride (Hydrofluoric acid)Free

2811.12 Hydrogen cyanide (hydrocyanic acid)

  • 2811.12.00.00 Hydrogen cyanide (hydrocyanic acid)4.2%

2811.19 Inorganic acids; other than hydrogen fluoride

  • 2811.19.10.00 Arsenic acid2.3%
  • 2811.19.30.00 Hydrobromic acidFree
  • Other
  • 2811.19.61.10 Sulfamic acid4.2%
  • 2811.19.61.90 Other4.2%

2811.21 Carbon dioxide

  • 2811.21.00.00 Carbon dioxide3.7%

2811.22 Silicon dioxide

  • 2811.22.10.00 Synthetic silica gel3.7%
  • 2811.22.50.00 OtherFree

2811.29 Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2

  • 2811.29.10.00 Arsenic trioxideFree
  • 2811.29.20.00 Selenium dioxideFree
  • 2811.29.30.00 Sulfur dioxide4.2%
  • 2811.29.50.00 Other3.7%

2812 Halides and halide oxides of non-metals

2812.11 Carbonyl dichloride (phosgene)

  • 2812.11.00.00 Carbonyl dichloride (phosgene)3.7%

2812.12 Phosphorus oxychloride

  • 2812.12.00.00 Phosphorous oxychloride3.7%

2812.13 Phosphorus trichloride

  • 2812.13.00.00 Phosphorous trichloride3.7%

2812.14 Phosphorus pentachloride

  • 2812.14.00.00 Phosphorous pentachlorideFree

2812.15 Sulphur monochloride

  • 2812.15.00.00 Sulfur monochloride3.7%

2812.16 Sulphur dichloride

  • 2812.16.00.00 Sulfur dichloride3.7%

2812.17 Thionyl chloride

  • 2812.17.00.00 Thionyl chloride3.7%

2812.19 Arsenic trichloride and other chlorides and chloride oxides, n.e.c. in item no. 2812

  • 2812.19.00.10 Arsenic trichloride3.7%
  • 2812.19.00.90 Other3.7%

2812.90 Halides and halide oxides of non-metals; excluding chloride

  • 2812.90.00.10 Sulfur hexafluoride3.7%
  • 2812.90.00.90 Other3.7%

2813 Sulphides of non-metals; commercial phosphorus trisulphide

2813.10 Carbon disulphide

  • 2813.10.00.00 Carbon disulfide3.7%

2813.90 Sulphides of non-metals, (excluding carbon); commercial phosphorus trisulphide

  • 2813.90.10.00 Of arsenicFree
  • 2813.90.20.00 Of phosphorusFree
  • 2813.90.50.00 Other3.7%

2814 Ammonia; anhydrous or in aqueous solution

2814.10 Ammonia; anhydrous

  • 2814.10.00.00 Anhydrous ammoniaFree

2814.20 Ammonia; in aqueous solution

  • 2814.20.00.00 Ammonia in aqueous solutionFree

2815 Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash) peroxides of sodium or potassium

2815.11 Sodium hydroxide (caustic soda); solid

  • 2815.11.00.00 SolidFree

2815.12 Sodium hydroxide (caustic soda); in aqueous solution (soda lye or liquid soda)

  • 2815.12.00.00 In aqueous solution (Soda lye or liquid soda)Free

2815.20 Potassium hydroxide (caustic potash)

  • 2815.20.00.50 In solid formFree
  • 2815.20.00.90 OtherFree

2815.30 Peroxides of sodium or potassium

  • 2815.30.00.00 Peroxides of sodium or potassium3.7%

2816 Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium

2816.10 Hydroxide and peroxide of magnesium

  • 2816.10.00.00 Hydroxide and peroxide of magnesium3.1%

2816.40 Oxides, hydroxides and peroxides, of strontium or barium

  • 2816.40.10.00 Of strontium4.2%
  • 2816.40.20.00 Of barium2%

2817 Zinc; oxide and peroxide

2817.00 Zinc; oxide and peroxide

  • 2817.00.00.00 Zinc oxide; zinc peroxideFree

2818 Aluminium oxide (including artificial corundum); aluminium hydroxide

2818.10 Aluminium oxide; artificial corundum

  • 2818.10.10.00 CrudeFree
  • In grains, or ground, pulverized or refined
  • 2818.10.20.10 White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide1.3%
  • 2818.10.20.90 Other1.3%

2818.20 Aluminium oxide; other than artificial corundum

  • 2818.20.00.00 Aluminum oxide, other than artificial corundumFree

2818.30 Aluminium hydroxide

  • 2818.30.00.00 Aluminum hydroxideFree

2819 Chromium oxides and hydroxides

2819.10 Chromium trioxide

  • 2819.10.00.00 Chromium trioxide3.7%

2819.90 Chromium oxides and hydroxides; excluding chromium trioxide

  • 2819.90.00.00 Other3.7%

2820 Manganese oxides

2820.10 Manganese dioxide

  • 2820.10.00.00 Manganese dioxide4.7%

2820.90 Manganese oxides; excluding manganese dioxide

  • 2820.90.00.00 Other4.7%

2821 Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2o3

2821.10 Iron oxides and hydroxides

  • Synthetic pigments
  • 2821.10.00.10 Black3.7%
  • 2821.10.00.20 Red3.7%
  • 2821.10.00.30 Yellow3.7%
  • 2821.10.00.40 Other3.7%
  • 2821.10.00.50 Other3.7%

2821.20 Earth colours; containing 70% or more by weight of combined iron evaluated as Fe2o3

  • 2821.20.00.00 Earth colors5.5%

2822 Cobalt oxides and hydroxides; commercial cobalt oxides

2822.00 Cobalt oxides and hydroxides; commercial cobalt oxides

  • 2822.00.00.10 Cobalt(II, III) oxide (cobalt tetroxide)0.1%
  • 2822.00.00.90 Other0.1%

2823 Titanium oxides

2823.00 Titanium oxides

  • 2823.00.00.00 Titanium oxides5.5%

2824 Lead oxides; red lead and orange lead

2824.10 Lead; lead monoxide (litharge, massicot)

  • 2824.10.00.00 Lead monoxide (litharge, massicot)3%

2824.90 Lead oxides; n.e.c. in heading no. 2824

  • 2824.90.10.00 Lead suboxide (leady litharge)5.5%
  • 2824.90.20.00 Red lead and orange lead3.4%
  • 2824.90.50.00 Other4.8%

2825 Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides

2825.10 Hydrazine and hydroxylamine and their inorganic salts

  • 2825.10.00.00 Hydrazine and hydroxylamine and their inorganic salts3.7%

2825.20 Lithium oxide and hydroxide

  • 2825.20.00.00 Lithium oxide and hydroxide3.7%

2825.30 Vanadium oxides and hydroxides

  • 2825.30.00.10 Vanadium pentoxide (anhydride)5.5%
  • 2825.30.00.50 Other5.5%

2825.40 Nickel oxides and hydroxides

  • 2825.40.00.00 Nickel oxides and hydroxidesFree

2825.50 Copper oxides and hydroxides

  • 2825.50.10.00 Cupric oxide4.3%
  • 2825.50.20.00 Cuprous oxide5%
  • 2825.50.30.00 Copper hydroxides3.9%

2825.60 Germanium oxides and zirconium dioxide

  • 2825.60.00.10 Germanium dioxide3.7%
  • 2825.60.00.20 Zirconium dioxide3.7%
  • 2825.60.00.50 Other3.7%

2825.70 Molybdenum oxides and hydroxides

  • 2825.70.00.00 Molybdenum oxides and hydroxides3.2%

2825.80 Antimony oxides

  • 2825.80.00.00 Antimony oxidesFree

2825.90 Inorganic bases, metal oxides, hydroxides and peroxides; n.e.c. in heading no. 2825

  • 2825.90.10.00 Beryllium oxide and hydroxide3.7%
  • 2825.90.15.00 Niobium oxide3.7%
  • 2825.90.20.00 Tin oxides4.2%
  • 2825.90.30.00 Tungsten oxides5.5%
  • 2825.90.75.00 Cadmium oxideFree
  • 2825.90.90.00 Other3.7%

2826 Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts

2826.12 Fluorides; of aluminium

  • 2826.12.00.00 Of aluminumFree

2826.19 Fluorides; other than of aluminium

  • 2826.19.10.00 Of ammonium3.1%
  • 2826.19.20.00 Of sodium3.7%
  • 2826.19.90.00 Other3.9%

2826.30 Sodium hexafluoroaluminate (synthetic cryolite)

  • 2826.30.00.00 Sodium hexafluoroaluminate (Synthetic cryolite)Free

2826.90 Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts, n.e.c. in heading no. 2826

  • 2826.90.10.00 Fluorosilicates of sodium or of potassium4.1%
  • Other
  • 2826.90.90.10 Lithium hexafluorophosphate3.1%
  • 2826.90.90.90 Other3.1%

2827 Chlorides; chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides

2827.10 Chlorides; of ammonium

  • 2827.10.00.00 Ammonium chloride2.9%

2827.20 Chlorides; of calcium

  • 2827.20.00.00 Calcium chlorideFree

2827.31 Chlorides; of magnesium

  • 2827.31.00.00 Of magnesium1.5%

2827.32 Chlorides; of aluminium

  • 2827.32.00.00 Of aluminumFree

2827.35 Chlorides; of nickel

  • 2827.35.00.00 Of nickel3.7%

2827.39 Chlorides; other than of ammonium, calcium, magnesium, aluminium and nickel

  • 2827.39.10.00 Of vanadium5.5%
  • 2827.39.25.00 Of tin4.2%
  • 2827.39.30.00 Of titanium4.9%
  • 2827.39.40.00 Of tungsten5.5%
  • 2827.39.45.00 Of barium4.2%
  • 2827.39.55.00 Of iron3.7%
  • 2827.39.60.00 Of cobalt4.2%
  • 2827.39.65.00 Of zinc1.6%
  • Other
  • 2827.39.90.10 Of lithium3.7%
  • 2827.39.90.50 Other3.7%

2827.41 Chloride oxides and chloride hydroxides; of copper

  • 2827.41.00.00 Of copper3.9%

2827.49 Chloride oxides and chloride hydroxides; other than of copper

  • 2827.49.10.00 Of vanadium5.5%
  • 2827.49.50.00 Other5.5%

2827.51 Bromides; of sodium or of potassium

  • 2827.51.00.00 Bromides of sodium or of potassiumFree

2827.59 Bromides and bromide oxides; other than item no. 2827.51

  • 2827.59.25.00 Of ammonium, of calcium or of zincFree
  • 2827.59.51.00 Other3.6%

2827.60 Iodides and iodide oxides

  • 2827.60.10.00 Of calcium or of copperFree
  • 2827.60.20.00 Of potassium2.8%
  • 2827.60.51.00 Other4.2%

2828 Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites

2828.10 Hypochlorites; commercial calcium hypochlorite and other calcium hypochlorites

  • 2828.10.00.00 Commercial calcium hypochlorite and other calcium hypochlorites2.4%

2828.90 Hypochlorites; n.e.c. in heading no. 2828

  • 2828.90.00.00 Other3.7%

2829 Chlorates and perchlorates; bromates and perbromates; iodates and periodates

2829.11 Chlorates; of sodium

  • 2829.11.00.00 Of sodiumFree

2829.19 Chlorates; other than sodium

  • 2829.19.01.00 Other3.3%

2829.90 Perchlorates; bromates and perbromates; iodates and periodates

  • 2829.90.05.00 Potassium bromateFree
  • 2829.90.25.00 Sodium bromateFree
  • Other
  • 2829.90.40.00 Of potassium3.1%
  • 2829.90.61.00 Other3.7%

2830 Sulphides; polysulphides whether or not chemically defined

2830.10 Sulphides; of sodium, whether or not chemically defined

  • 2830.10.00.00 Sodium sulfides3.7%

2830.90 Sulphides and polysulphides; whether or not chemically defined, other than sulphides of sodium

  • 2830.90.10.00 Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weightFree
  • 2830.90.15.00 Other zinc sulfide2.8%
  • 2830.90.20.00 Cadmium sulfide3.1%
  • 2830.90.90.00 Other3%

2831 Dithionites and sulphoxylates

2831.10 Dithionites and sulphoxylates; of sodium

  • 2831.10.10.00 Sodium formaldehyde sulfoxylateFree
  • 2831.10.50.00 Other5.5%

2831.90 Dithionites and sulphoxylates; other than sodium

  • 2831.90.00.00 Other5.5%

2832 Sulphites; thiosulphates

2832.10 Sulphites; of sodium

  • 2832.10.00.00 Sodium sulfites1.5%

2832.20 Sulphites; other than of sodium

  • 2832.20.00.00 Other sulfites3.1%

2832.30 Thiosulphates

  • 2832.30.10.00 Sodium thiosulfate1.5%
  • 2832.30.50.00 Other3.1%

2833 Sulphates; alums; peroxosulphates (persulphates)

2833.11 Sodium sulphates; disodium sulphate

  • 2833.11.10.00 Salt cakeFree
  • Other
  • 2833.11.50.10 Anhydrous0.4%
  • 2833.11.50.50 Other0.4%

2833.19 Sodium sulphates; other than disodium sulphate

  • 2833.19.00.00 OtherFree

2833.21 Sulphates; of magnesium

  • 2833.21.00.00 Of magnesium3.7%

2833.22 Sulphates; of aluminium

  • 2833.22.00.00 Of aluminumFree

2833.24 Sulphates; of nickel

  • 2833.24.00.00 Of nickel3.2%

2833.25 Sulphates; of copper

  • 2833.25.00.00 Of copper1.4%

2833.27 Sulphates; of barium

  • 2833.27.00.00 Of barium0.6%

2833.29 Sulphates; n.e.c. in item no. 2833.2

  • 2833.29.10.00 Of cobalt1.4%
  • 2833.29.20.00 Of ironFree
  • 2833.29.30.00 Of vanadium5.5%
  • 2833.29.40.00 Of chromium3.7%
  • 2833.29.45.00 Of zinc1.6%
  • Other
  • 2833.29.51.10 Of manganese3.7%
  • 2833.29.51.90 Other3.7%

2833.30 Alums

  • 2833.30.00.00 Alums1.6%

2833.40 Peroxosulphates (persulphates)

  • 2833.40.20.00 Of sodium3.7%
  • Other
  • 2833.40.60.10 Of potassium3.1%
  • 2833.40.60.20 Of ammonium3.1%
  • 2833.40.60.50 Other3.1%

2834 Nitrites; nitrates

2834.10 Nitrites

  • 2834.10.10.00 Of sodium5.5%
  • 2834.10.50.00 Other3.1%

2834.21 Nitrates; of potassium

  • 2834.21.00.00 Of potassiumFree

2834.29 Nitrates; of other than potassium

  • 2834.29.05.00 Of bismuth5.5%
  • 2834.29.10.00 Of calciumFree
  • 2834.29.20.00 Of strontium4.2%
  • 2834.29.51.00 Other3.5%

2835 Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; and polyphosphates, whether or not chemically defined

2835.10 Phosphinates (hypophosphites) and phosphonates (phosphites), whether or not chemically defined

  • 2835.10.00.00 Phosphinates (hypophosphites) and phosphonates (phosphites)3.1%

2835.22 Phosphates; of mono- or disodium, whether or not chemically defined

  • 2835.22.00.00 Of mono- or disodium1.4%

2835.24 Phosphates; of potassium, whether or not chemically defined

  • 2835.24.00.00 Of potassium3.1%

2835.25 Phosphates; calcium hydrogenorthophosphate (dicalcium phosphate), whether or not chemically defined

  • 2835.25.00.00 Calcium hydrogenorthophosphate ("Dicalcium phosphate")Free

2835.26 Phosphates; of calcium n.e.c. in item no. 2835.25, whether or not chemically defined

  • 2835.26.00.00 Other phosphates of calciumFree

2835.29 Phosphates; (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

  • 2835.29.10.00 Of aluminumFree
  • 2835.29.20.00 Of triammonium1.5%
  • 2835.29.30.00 Of trisodium2.2%
  • 2835.29.51.00 Other4.1%

2835.31 Polyphosphates; sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined

  • 2835.31.00.00 Sodium triphosphate (Sodium tripolyphosphate)1.4%

2835.39 Polyphosphates; other than sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined

  • 2835.39.10.00 Of potassium3.1%
  • 2835.39.50.00 Other3.7%

2836 Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate

2836.20 Carbonates; disodium carbonate

  • 2836.20.00.00 Disodium carbonate1.2%

2836.30 Carbonates; sodium hydrogen carbonate (sodium bicarbonate)

  • 2836.30.00.00 Sodium hydrogencarbonate (Sodium bicarbonate)Free

2836.40 Carbonates; potassium carbonate

  • 2836.40.10.00 Dipotassium carbonate1.9%
  • 2836.40.20.00 Potassium hydrogencarbonate (Potassium bicarbonate)1.3%

2836.50 Carbonates; calcium carbonate

  • 2836.50.00.00 Calcium carbonateFree

2836.60 Carbonates; barium carbonate

  • 2836.60.00.00 Barium carbonate2.3%

2836.91 Carbonates; lithium carbonate

  • 2836.91.00.10 U.S.P. grade3.7%
  • 2836.91.00.50 Other3.7%

2836.92 Carbonates; strontium carbonate

  • 2836.92.00.00 Strontium carbonate4.2%

2836.99 Carbonates; n.e.c. in heading no. 2836 and other than lithium or strontium

  • 2836.99.10.00 Cobalt carbonates4.2%
  • 2836.99.20.00 Bismuth carbonate5.5%
  • 2836.99.30.00 Commercial ammonium carbonate and other ammonium carbonates1.7%
  • 2836.99.40.00 Lead carbonates0.5%
  • Other
  • 2836.99.50.10 Zirconium carbonates3.7%
  • 2836.99.50.50 Other3.7%

2837 Cyanides, cyanide oxides and complex cyanides

2837.11 Cyanides and cyanide oxides; of sodium

  • 2837.11.00.00 Of sodiumFree

2837.19 Cyanides and cyanide oxides; other than of sodium

  • 2837.19.01.10 Potassium cyanideFree
  • 2837.19.01.15 Calcium cyanideFree
  • 2837.19.01.25 OtherFree

2837.20 Complex cyanides

  • 2837.20.10.00 Potassium ferricyanide1.1%
  • 2837.20.51.00 Other1.7%

2839 Silicates; commercial alkali metal silicates

2839.11 Silicates; sodium metasilicates

  • 2839.11.00.00 Sodium metasilicates1.1%

2839.19 Silicates; of sodium (excluding sodium metasilicates)

  • 2839.19.00.00 Other1.1%

2839.90 Silicates; commercial alkali metal silicates, other than of sodium

  • 2839.90.10.00 Of potassium3.1%
  • 2839.90.50.00 Other3.1%

2840 Borates; peroxoborates (perborates)

2840.11 Borates; disodium tetraborate (refined borax), anhydrous

  • 2840.11.00.00 Anhydrous0.3%

2840.19 Borates; disodium tetraborate (refined borax), other than anhydrous

  • 2840.19.00.00 Other0.1%

2840.20 Borates; n.e.c. in heading no. 2840

  • 2840.20.00.00 Other borates3.7%

2840.30 Peroxoborates (perborates)

  • 2840.30.00.10 Sodium perborate3.7%
  • 2840.30.00.50 Other3.7%

2841 Salts of oxometallic or peroxometallic acids

2841.30 Salts; sodium dichromate

  • 2841.30.00.00 Sodium dichromate2.4%

2841.50 Salts; chromates, dichromates, peroxochromates; n.e.c. in heading no. 2841

  • 2841.50.10.00 Potassium dichromate1.5%
  • 2841.50.91.00 Other3.1%

2841.61 Salts; of oxometallic or peroxometallic acids, manganites, manganates and permanganates, potassium permanganate

  • 2841.61.00.00 Potassium permanganate5%

2841.69 Salts; of oxometallic or peroxometallic acids, manganites, manganates and permanganates, other than potassium permanganate

  • 2841.69.00.10 Sodium permanganate5%
  • 2841.69.00.90 Other5%

2841.70 Salts; molybdates

  • 2841.70.10.00 Of ammonium4.3%
  • 2841.70.50.00 Other3.7%

2841.80 Salts; tungstates (wolframates)

  • 2841.80.00.10 Of ammonium5.5%
  • 2841.80.00.20 Of calcium5.5%
  • 2841.80.00.50 Other5.5%

2841.90 Salts of oxometallic or peroxometallic acids; n.e.c. in heading no. 2841

  • 2841.90.10.00 Vanadates5.5%
  • 2841.90.20.00 Ammonium perrhenate3.1%
  • 2841.90.30.00 Potassium stannate3.1%
  • 2841.90.40.00 Aluminates3.1%
  • 2841.90.45.00 Chromates of zinc or of lead3.7%
  • 2841.90.50.00 Other3.7%

2842 Salts of inorganic acids or peroxoacids, n.e.c. including aluminosilicates whether or not chemically defined, but excluding azides

2842.10 Salts of inorganic acids or peroxoacids, double or complex silicates, including aluminosilicates, whether or not chemically defined, excluding azides

  • 2842.10.00.00 Double or complex silicates, including aluminosilicates whether or not chemically defined3.7%

2842.90 Salts; of inorganic acids or peroxoacids, other than double or complex silicates, including aluminosilicates, whether or not chemically, excluding azides

  • 2842.90.10.00 Fulminates, cyanates and thiocyanates3.1%
  • Other
  • 2842.90.90.10 Selenides and tellurides3.3%
  • 2842.90.90.50 Other3.3%

2843 Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals

2843.10 Colloidal precious metals; whether or not chemically defined

  • 2843.10.00.00 Colloidal precious metals5.5%

2843.21 Silver compounds; silver nitrates

  • 2843.21.00.00 Silver nitrate3.7%

2843.29 Silver compounds; excluding silver nitrates

  • 2843.29.01.00 Other3.7%

2843.30 Gold compounds

  • 2843.30.00.00 Gold compounds5%

2843.90 Inorganic or organic compounds of precious metals, n.e.c.; amalgams

  • 2843.90.00.00 Other compounds; amalgams3.7%

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

2844.10 Uranium; natural uranium and its compounds, alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds

  • 2844.10.10.00 Uranium metal5%
  • Uranium compounds
  • 2844.10.20.10 OxideFree
  • 2844.10.20.25 HexafluorideFree
  • 2844.10.20.55 OtherFree
  • 2844.10.50.00 Other5%

2844.20 Uranium; 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

  • Uranium compounds
  • 2844.20.00.10 OxideFree
  • 2844.20.00.20 FluoridesFree
  • 2844.20.00.30 OtherFree
  • 2844.20.00.50 OtherFree

2844.30 Uranium; depleted in U235, thorium, their compounds, alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium; compounds of these products

  • 2844.30.10.00 Thorium compounds5.5%
  • Uranium compounds
  • 2844.30.20.10 OxideFree
  • 2844.30.20.20 FluoridesFree
  • 2844.30.20.50 OtherFree
  • Other
  • 2844.30.50.10 Uranium metal5%
  • 2844.30.50.50 Other5%

2844.41 Radioactive elements; tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds

  • 2844.41.00.00 Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compoundsFree

2844.42 Radioactive 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

  • 2844.42.00.00 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 compoundsFree

2844.43 Radioactive elements, isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

  • 2844.43.00.10 Elements, isotopes and compounds with cobalt-60 radioactivity onlyFree
  • Other elements, isotopes and compounds
  • 2844.43.00.21 Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169Free
  • 2844.43.00.28 OtherFree
  • 2844.43.00.50 OtherFree

2844.44 Radioactive elements, isotopes, compounds n.e.c. in heading no. 2844, alloys, dispersions (including cermets), ceramic products, mixtures containing the elements, isotopes, compounds; radioactive residues

  • 2844.44.00.00 Radioactive residuesFree

2844.50 Spent (irradiated) fuel elements (cartridges) of nuclear reactors

  • 2844.50.00.00 Spent (irradiated) fuel elements (cartridges) of nuclear reactorsFree

2845 Isotopes other than those of heading no. 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined

2845.10 Heavy water (deuterium oxide)

  • 2845.10.00.00 Heavy water (Deuterium oxide)Free

2845.20 Boron enriched in boron-10 and its compounds

  • 2845.20.00.00 Boron enriched in boron-10 and its compoundsFree

2845.30 Lithium enriched in lithium-6 and its compounds

  • 2845.30.00.00 Lithium enriched in lithium-6 and its compoundsFree

2845.40 Helium-3

  • 2845.40.00.00 Helium-3Free

2845.90 Isotopes 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

  • 2845.90.01.00 OtherFree

2846 Compounds, inorganic or organic, of rare-earth metals; of yttrium or of scandium or of mixtures of these metals

2846.10 Cerium compounds

  • 2846.10.00.10 Cerium oxides5.5%
  • 2846.10.00.50 Other5.5%

2846.90 Compounds, inorganic or organic (excluding cerium), of rare-earth metals, of yttrium, scandium or of mixtures of these metals

  • Mixtures of rare-earth oxides or of rare-earth chlorides
  • Rare-earth oxides except cerium oxides
  • 2846.90.20.05 Containing lanthanum as the predominant metalFree
  • 2846.90.20.15 Containing yttrium or scandium as the predominant metalFree
  • 2846.90.20.40 OtherFree
  • Rare-earth chlorides except cerium chlorides
  • 2846.90.20.82 Containing yttrium or scandium as the predominant metalFree
  • 2846.90.20.84 OtherFree
  • Other
  • 2846.90.40.00 Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalentFree
  • Other
  • Mixtures of rare-earth carbonates other than of cerium carbonate
  • 2846.90.80.70 Containing lanthanum as the predominant metal3.7%
  • 2846.90.80.75 Other3.7%
  • 2846.90.80.90 Other3.7%

2847 Hydrogen peroxide; whether or not solidified with urea

2847.00 Hydrogen peroxide; whether or not solidified with urea

  • 2847.00.00.00 Hydrogen peroxide, whether or not solidified with urea3.7%

2849 Carbides, whether or not chemically defined

2849.10 Carbides; of calcium, whether or not chemically defined

  • 2849.10.00.00 Of calcium1.8%

2849.20 Carbides; of silicon, whether or not chemically defined

  • 2849.20.10.00 CrudeFree
  • 2849.20.20.00 In grains, or ground, pulverized or refined0.5%

2849.90 Carbides; whether or not chemically defined, other than of calcium or silicon

  • 2849.90.10.00 Of boron3.7%
  • 2849.90.20.00 Of chromium4.2%
  • 2849.90.30.00 Of tungsten5.5%
  • 2849.90.50.00 Other3.7%

2850 Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading no. 2849

2850.00 Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading no. 2849

  • 2850.00.05.00 Of calciumFree
  • 2850.00.07.00 Of titanium4.9%
  • 2850.00.10.00 Of tungsten5.5%
  • 2850.00.20.00 Of vanadium5.5%
  • 2850.00.50.00 Other3.7%

2852 Inorganic or organic compounds of mercury, excluding amalgams, whether or not chemically defined

2852.10 Inorganic or organic compounds of mercury, excluding amalgams, chemically defined

  • 2852.10.10.00 Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanideFree
  • 2852.10.90.00 Other3%

2852.90 Inorganic or organic compounds of mercury; excluding amalgams, not chemically defined,

  • 2852.90.05.00 Albuminates, tannates and phosphides of mercuryFree
  • 2852.90.90.00 Other3%

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

2853.10 Inorganic compounds; cyanogen chloride (chlorcyan)

  • 2853.10.00.00 Cyanogen chloride (chloorcyan)2.8%

2853.90 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

  • Phosphides, whether or not chemically defined, excluding ferrophosphorous
  • 2853.90.10.00 Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous2.6%
  • 2853.90.50.00 Of other metals or nonmetalsFree
  • Other
  • 2853.90.90.10 Gallium arsenide wafers, undoped2.8%
  • 2853.90.90.90 Other2.8%

MFN rates from the Harmonized Tariff Schedule as published, without preferences, quotas, trade remedies or additional measures. Inferred works those out for each product and origin. Whether a product from this chapter qualifies for a lower rate depends on each agreement's product-specific rule for it, under the agreements we cover.