HTS CodeDescriptionGeneral Rate
2801Fluorine, chlorine, bromine and iodine:N/A2801.10.00.00ChlorineFree2801.20.00.00IodineFree2801.30Fluorine; bromine:N/A2801.30.10.00Fluorine3.7%2801.30.20.00Bromine5.5%2802.00.00.00Sulfur, sublimed or precipitated; colloidal sulfurFree2803.00.00Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)Free2803.00.00.10Carbon blackN/A2803.00.00.50OtherN/A2804Hydrogen, rare gases and other nonmetals:N/A2804.10.00.00Hydrogen3.7%2804.21.00.00Argon3.7%2804.29.00Other3.7%2804.29.00.10HeliumN/A2804.29.00.20NeonN/A2804.29.00.30Isotopically pure rare gases having a purity of 99 percent or more by volumeN/A2804.29.00.55OtherN/A2804.30.00.00Nitrogen3.7%2804.40.00.00Oxygen3.7%2804.50.00Boron; telluriumFree2804.50.00.10BoronN/A2804.50.00.20TelluriumN/A2804.61.00.00Containing by weight not less than 99.99 percent of siliconFree2804.69Other:N/A2804.69.10.00Containing by weight less than 99.99 percent but not less than 99 percent of silicon5.3%2804.69.50.00Other5.5%2804.70.00.00PhosphorusFree2804.80.00.00ArsenicFree2804.90.00.00SeleniumFree2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury:N/A2805.11.00.00Sodium5.3%2805.12.00.00Calcium3%2805.19Other:N/A2805.19.10.00Strontium3.7%2805.19.20.00BariumFree2805.19.90Other5.5%2805.19.90.10LithiumN/A2805.19.90.90OtherN/A2805.30.00Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed5%2805.30.00.05LanthanumN/A2805.30.00.10CeriumN/A2805.30.00.15PraseodymiumN/A2805.30.00.20NeodymiumN/A2805.30.00.50OtherN/A2805.30.00.90OtherN/A2805.40.00.00Mercury1.7%2806Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid:N/A2806.10.00.00Hydrogen chloride (Hydrochloric acid)Free2806.20.00.00Chlorosulfuric acid4.2%2807.00.00.00Sulfuric acid; oleumFree2808.00.00Nitric acid; sulfonitric acidsFree2808.00.00.10Nitric acidN/A2808.00.00.20Sulfonitric acidsN/A2809Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined:N/A2809.10.00.00Diphosphorus pentaoxideFree2809.20.00Phosphoric acid and polyphosphoric acidsFree2809.20.00.10Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalentsN/A2809.20.00.20OtherN/A2809.20.00.30OtherN/A2809.20.00.40Polyphosphoric acidsN/A2810.00.00.00Oxides of boron; boric acids1.5%2811Other inorganic acids and other inorganic oxygen compounds of nonmetals:N/A2811.11.00.00Hydrogen fluoride (Hydrofluoric acid)Free2811.12.00.00Hydrogen cyanide (hydrocyanic acid)4.2%2811.19Other:N/A2811.19.10.00Arsenic acid2.3%2811.19.30.00Hydrobromic acidFree2811.19.61Other4.2%2811.19.61.10Sulfamic acidN/A2811.19.61.90OtherN/A2811.21.00.00Carbon dioxide3.7%2811.22Silicon dioxide:N/A2811.22.10.00Synthetic silica gel3.7%2811.22.50.00OtherFree2811.29Other:N/A2811.29.10.00Arsenic trioxideFree2811.29.20.00Selenium dioxideFree2811.29.30.00Sulfur dioxide4.2%2811.29.50.00Other3.7%2812Halides and halide oxides of nonmetals:N/A2812.11.00.00Carbonyl dichloride (phosgene)3.7%2812.12.00.00Phosphorous oxychloride3.7%2812.13.00.00Phosphorous trichloride3.7%2812.14.00.00Phosphorous pentachlorideFree2812.15.00.00Sulfur monochloride3.7%2812.16.00.00Sulfur dichloride3.7%2812.17.00.00Thionyl chloride3.7%2812.19.00Other3.7%2812.19.00.10Arsenic trichlorideN/A2812.19.00.90OtherN/A2812.90.00Other3.7%2812.90.00.10Sulfur hexafluorideN/A2812.90.00.90OtherN/A2813Sulfides of nonmetals; commercial phosphorus trisulfide:N/A2813.10.00.00Carbon disulfide3.7%2813.90Other:N/A2813.90.10.00Of arsenicFree2813.90.20.00Of phosphorusFree2813.90.50.00Other3.7%2814Ammonia, anhydrous or in aqueous solution:N/A2814.10.00.00Anhydrous ammoniaFree2814.20.00.00Ammonia in aqueous solutionFree2815Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium:N/A2815.11.00.00SolidFree2815.12.00.00In aqueous solution (Soda lye or liquid soda)Free2815.20.00Potassium hydroxide (Caustic potash)Free2815.20.00.50In solid formN/A2815.20.00.90OtherN/A2815.30.00.00Peroxides of sodium or potassium3.7%2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium:N/A2816.10.00.00Hydroxide and peroxide of magnesium3.1%2816.40Oxides, hydroxides and peroxides, of strontium or barium:N/A2816.40.10.00Of strontium4.2%2816.40.20.00Of barium2%2817.00.00.00Zinc oxide; zinc peroxideFree2818Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide:N/A2818.10Artificial corundum, whether or not chemically defined:N/A2818.10.10.00CrudeFree2818.10.20In grains, or ground, pulverized or refined1.3%2818.10.20.10White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxideN/A2818.10.20.90OtherN/A2818.20.00.00Aluminum oxide, other than artificial corundumFree2818.30.00.00Aluminum hydroxideFree2819Chromium oxides and hydroxides:N/A2819.10.00.00Chromium trioxide3.7%2819.90.00.00Other3.7%2820Manganese oxides:N/A2820.10.00.00Manganese dioxide4.7%2820.90.00.00Other4.7%2821Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3:N/A2821.10.00Iron oxides and hydroxides3.7%2821.10.00.10BlackN/A2821.10.00.20RedN/A2821.10.00.30YellowN/A2821.10.00.40OtherN/A2821.10.00.50OtherN/A2821.20.00.00Earth colors5.5%2822.00.00Cobalt oxides and hydroxides; commercial cobalt oxides0.1%2822.00.00.10Cobalt(II, III) oxide (cobalt tetroxide)N/A2822.00.00.90OtherN/A2823.00.00.00Titanium oxides5.5%2824Lead oxides; red lead and orange lead:N/A2824.10.00.00Lead monoxide (litharge, massicot)3%2824.90Other:N/A2824.90.10.00Lead suboxide (leady litharge)5.5%2824.90.20.00Red lead and orange lead3.4%2824.90.50.00Other4.8%2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides:N/A2825.10.00.00Hydrazine and hydroxylamine and their inorganic salts3.7%2825.20.00.00Lithium oxide and hydroxide3.7%2825.30.00Vanadium oxides and hydroxides5.5%2825.30.00.10Vanadium pentoxide (anhydride)N/A2825.30.00.50OtherN/A2825.40.00.00Nickel oxides and hydroxidesFree2825.50Copper oxides and hydroxides:N/A2825.50.10.00Cupric oxide4.3%2825.50.20.00Cuprous oxide5%2825.50.30.00Copper hydroxides3.9%2825.60.00Germanium oxides and zirconium dioxide3.7%2825.60.00.10Germanium dioxide 2825.60.00.20Zirconium dioxide 2825.60.00.50Other 2825.70.00.00Molybdenum oxides and hydroxides3.2%2825.80.00.00Antimony oxidesFree2825.90Other:N/A2825.90.10.00Beryllium oxide and hydroxide3.7%2825.90.15.00Niobium oxide3.7%2825.90.20.00Tin oxides4.2%2825.90.30.00Tungsten oxides5.5%2825.90.75.00Cadmium oxideFree2825.90.90.00Other3.7%2826Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts:N/A2826.12.00.00Of aluminumFree2826.19Other:N/A2826.19.10.00Of ammonium3.1%2826.19.20.00Of sodium3.7%2826.19.90.00Other3.9%2826.30.00.00Sodium hexafluoroaluminate (Synthetic cryolite)Free2826.90Other:N/A2826.90.10.00Fluorosilicates of sodium or of potassium4.1%2826.90.90Other3.1%2826.90.90.10Lithium hexafluorophosphateN/A2826.90.90.90OtherN/A2827Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides:N/A2827.10.00.00Ammonium chloride2.9%2827.20.00.00Calcium chlorideFree2827.31.00.00Of magnesium1.5%2827.32.00.00Of aluminumFree2827.35.00.00Of nickel3.7%2827.39Other:N/A2827.39.10.00Of vanadium5.5%2827.39.25.00Of tin4.2%2827.39.30.00Of titanium4.9%2827.39.40.00Of tungsten5.5%2827.39.45.00Of barium4.2%2827.39.55.00Of iron3.7%2827.39.60.00Of cobalt4.2%2827.39.65.00Of zinc1.6%2827.39.90Other3.7%2827.39.90.10Of lithium 2827.39.90.50Other 2827.41.00.00Of copper3.9%2827.49Other:N/A2827.49.10.00Of vanadium5.5%2827.49.50.00Other5.5%2827.51.00.00Bromides of sodium or of potassiumFree2827.59Other:N/A2827.59.25.00Of ammonium, of calcium or of zincFree2827.59.51.00Other3.6%2827.60Iodides and iodide oxides:N/A2827.60.10.00Of calcium or of copperFree2827.60.20.00Of potassium2.8%2827.60.51.00Other4.2%2828Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites:N/A2828.10.00.00Commercial calcium hypochlorite and other calcium hypochlorites2.4%2828.90.00.00Other3.7%2829Chlorates and perchlorates; bromates and perbromates; iodates and periodates:N/A2829.11.00.00Of sodiumFree2829.19.01.00Other3.3%2829.90Other:N/A2829.90.05.00Potassium bromateFree2829.90.25.00Sodium bromateFree2829.90.40.00Of potassium3.1%2829.90.61.00Other3.7%2830Sulfides; polysulfides, whether or not chemically defined:N/A2830.10.00.00Sodium sulfides3.7%2830.90Other:N/A2830.90.10.00Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weightFree2830.90.15.00Other zinc sulfide2.8%2830.90.20.00Cadmium sulfide3.1%2830.90.90.00Other3%2831Dithionites and sulfoxylates:N/A2831.10Of sodium:N/A2831.10.10.00Sodium formaldehyde sulfoxylateFree2831.10.50.00Other5.5%2831.90.00.00Other5.5%2832Sulfites; thiosulfates:N/A2832.10.00.00Sodium sulfites1.5%2832.20.00.00Other sulfites3.1%2832.30Thiosulfates:N/A2832.30.10.00Sodium thiosulfate1.5%2832.30.50.00Other3.1%2833Sulfates; alums; peroxosulfates (persulfates):N/A2833.11Disodium sulfate:N/A2833.11.10.00Salt cakeFree2833.11.50Other0.4%2833.11.50.10AnhydrousN/A2833.11.50.50OtherN/A2833.19.00.00OtherFree2833.21.00.00Of magnesium3.7%2833.22.00.00Of aluminumFree2833.24.00.00Of nickel3.2%2833.25.00.00Of copper1.4%2833.27.00.00Of barium0.6%2833.29Other:N/A2833.29.10.00Of cobalt1.4%2833.29.20.00Of ironFree2833.29.30.00Of vanadium5.5%2833.29.40.00Of chromium3.7%2833.29.45.00Of zinc1.6%2833.29.51Other3.7%2833.29.51.10Of manganeseN/A2833.29.51.90OtherN/A2833.30.00.00Alums1.6%2833.40Peroxosulfates (persulfates):N/A2833.40.20.00Of sodium3.7%2833.40.60Other3.1%2833.40.60.10Of potassiumN/A2833.40.60.20Of ammoniumN/A2833.40.60.50OtherN/A2834Nitrites; nitrates:N/A2834.10Nitrites:N/A2834.10.10.00Of sodium5.5%2834.10.50.00Other3.1%2834.21.00.00Of potassiumFree2834.29Other:N/A2834.29.05.00Of bismuth5.5%2834.29.10.00Of calciumFree2834.29.20.00Of strontium4.2%2834.29.51.00Other3.5%2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:N/A2835.10.00.00Phosphinates (hypophosphites) and phosphonates (phosphites)3.1%2835.22.00.00Of mono- or disodium1.4%2835.24.00.00Of potassium3.1%2835.25.00.00Calcium hydrogenorthophosphate ("Dicalcium phosphate")Free2835.26.00.00Other phosphates of calciumFree2835.29Other:N/A2835.29.10.00Of aluminumFree2835.29.20.00Of triammonium1.5%2835.29.30.00Of trisodium2.2%2835.29.51.00Other4.1%2835.31.00.00Sodium triphosphate (Sodium tripolyphosphate)1.4%2835.39Other:N/A2835.39.10.00Of potassium3.1%2835.39.50.00Other3.7%2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate:N/A2836.20.00.00Disodium carbonate1.2%2836.30.00.00Sodium hydrogencarbonate (Sodium bicarbonate)Free2836.40Potassium carbonates:N/A2836.40.10.00Dipotassium carbonate1.9%2836.40.20.00Potassium hydrogencarbonate (Potassium bicarbonate)1.3%2836.50.00.00Calcium carbonateFree2836.60.00.00Barium carbonate2.3%2836.91.00Lithium carbonates3.7%2836.91.00.10U.S.P. gradeN/A2836.91.00.50OtherN/A2836.92.00.00Strontium carbonate4.2%2836.99Other:N/A2836.99.10.00Cobalt carbonates4.2%2836.99.20.00Bismuth carbonate5.5%2836.99.30.00Commercial ammonium carbonate and other ammonium carbonates1.7%2836.99.40.00Lead carbonates0.5%2836.99.50Other3.7%2836.99.50.10Zirconium carbonates 2836.99.50.50Other 2837Cyanides, cyanide oxides and complex cyanides:N/A2837.11.00.00Of sodiumFree2837.19.01OtherFree2837.19.01.10Potassium cyanideN/A2837.19.01.15Calcium cyanideN/A2837.19.01.25OtherN/A2837.20Complex cyanides:N/A2837.20.10.00Potassium ferricyanide1.1%2837.20.51.00Other1.7%2839Silicates; commercial alkali metal silicates:N/A2839.11.00.00Sodium metasilicates1.1%2839.19.00.00Other1.1%2839.90Other:N/A2839.90.10.00Of potassium3.1%2839.90.50.00Other3.1%2840Borates; peroxoborates (perborates):N/A2840.11.00.00Anhydrous0.3%2840.19.00.00Other0.1%2840.20.00.00Other borates3.7%2840.30.00Peroxoborates (perborates)3.7%2840.30.00.10Sodium perborateN/A2840.30.00.50OtherN/A2841Salts of oxometallic or peroxometallic acids:N/A2841.30.00.00Sodium dichromate2.4%2841.50Other chromates and dichromates; peroxochromates:N/A2841.50.10.00Potassium dichromate1.5%2841.50.91.00Other3.1%2841.61.00.00Potassium permanganate5%2841.69.00Other5%2841.69.00.10Sodium permanganateN/A2841.69.00.90OtherN/A2841.70Molybdates:N/A2841.70.10.00Of ammonium4.3%2841.70.50.00Other3.7%2841.80.00Tungstates (wolframates)5.5%2841.80.00.10Of ammoniumN/A2841.80.00.20Of calciumN/A2841.80.00.50OtherN/A2841.90Other:N/A2841.90.10.00Vanadates5.5%2841.90.20.00Ammonium perrhenate3.1%2841.90.30.00Potassium stannate3.1%2841.90.40.00Aluminates3.1%2841.90.45.00Chromates of zinc or of lead3.7%2841.90.50.00Other3.7%2842Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides:N/A2842.10.00.00Double or complex silicates, including aluminosilicates whether or not chemically defined3.7%2842.90Other:N/A2842.90.10.00Fulminates, cyanates and thiocyanates3.1%2842.90.90Other3.3%2842.90.90.10Selenides and tellurides 2842.90.90.50Other 2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals:N/A2843.10.00.00Colloidal precious metals5.5%2843.21.00.00Silver nitrate3.7%2843.29.01.00Other3.7%2843.30.00.00Gold compounds5%2843.90.00.00Other compounds; amalgams3.7%2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products:N/A2844.10Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds:N/A2844.10.10.00Uranium metal5%2844.10.20Uranium compoundsFree2844.10.20.10OxideN/A2844.10.20.25HexafluorideN/A2844.10.20.55OtherN/A2844.10.50.00Other5%2844.20.00Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these productsFree2844.20.00.10OxideN/A2844.20.00.20FluoridesN/A2844.20.00.30OtherN/A2844.20.00.50OtherN/A2844.30Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products:N/A2844.30.10.00Thorium compounds5.5%2844.30.20Uranium compoundsFree2844.30.20.10OxideN/A2844.30.20.20FluoridesN/A2844.30.20.50OtherN/A2844.30.50Other5%2844.30.50.10Uranium metalN/A2844.30.50.50OtherN/A2844.41.00.00Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compoundsFree2844.42.00.00Actinium-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 compoundsFree2844.43.00Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compoundsFree2844.43.00.10Elements, isotopes and compounds with cobalt-60 radioactivity onlyN/A2844.43.00.21Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169N/A2844.43.00.28OtherN/A2844.43.00.50OtherN/A2844.44.00.00Radioactive residuesFree2844.50.00.00Spent (irradiated) fuel elements (cartridges) of nuclear reactorsFree2845Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined:N/A2845.10.00.00Heavy water (Deuterium oxide)Free2845.20.00.00Boron enriched in boron-10 and its compoundsFree2845.30.00.00Lithium enriched in lithium-6 and its compoundsFree2845.40.00.00Helium-3Free2845.90.01.00OtherFree2846Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals:N/A2846.10.00Cerium compounds5.5%2846.10.00.10Cerium oxidesN/A2846.10.00.50OtherN/A2846.90Other:N/A2846.90.20Mixtures of rare-earth oxides or of rare-earth chloridesFree2846.90.20.05Containing lanthanum as the predominant metalN/A2846.90.20.15Containing yttrium or scandium as the predominant metalN/A2846.90.20.40OtherN/A2846.90.20.82Containing yttrium or scandium as the predominant metalN/A2846.90.20.84OtherN/A2846.90.40.00Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalentFree2846.90.80Other3.7%2846.90.80.70Containing lanthanum as the predominant metalN/A2846.90.80.75OtherN/A2846.90.80.90OtherN/A2847.00.00.00Hydrogen peroxide, whether or not solidified with urea3.7%2849Carbides, whether or not chemically defined:N/A2849.10.00.00Of calcium1.8%2849.20Of silicon:N/A2849.20.10.00CrudeFree2849.20.20.00In grains, or ground, pulverized or refined0.5%2849.90Other:N/A2849.90.10.00Of boron3.7%2849.90.20.00Of chromium4.2%2849.90.30.00Of tungsten5.5%2849.90.50.00Other3.7%2850.00Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849:N/A2850.00.05.00Of calciumFree2850.00.07.00Of titanium4.9%2850.00.10.00Of tungsten5.5%2850.00.20.00Of vanadium5.5%2850.00.50.00Other3.7%2852Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams:N/A2852.10Chemically defined:N/A2852.10.10.00Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanideFree2852.10.90.00Other3%2852.90Other:N/A2852.90.05.00Albuminates, tannates and phosphides of mercuryFree2852.90.90.00Other3%2853Phosphides, whether or not chemically defined, excluding ferrophosphorous; 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:N/A2853.10.00.00Cyanogen chloride (chloorcyan)2.8%2853.90Other:N/A2853.90.10.00Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous2.6%2853.90.50.00Of other metals or nonmetalsFree2853.90.90Other2.8%2853.90.90.10Gallium arsenide wafers, undopedN/A2853.90.90.90OtherN/A