HTS Chapter 28 — duty rates by code

USITC 2026HTSRev10 · 501 lines. Each code links to its current duty picture and recent changes.

2801.10.00.00 — Chlorine
2801.20.00.00 — Iodine
2801.30.10.00 — Fluorine
2801.30.20.00 — Bromine
2802.00.00.00 — Sulfur, sublimed or precipitated; colloidal sulfur
2803.00.00 — Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
2804.10.00.00 — Hydrogen
2804.21.00.00 — Argon
2804.29.00 — Other
2804.30.00.00 — Nitrogen
2804.40.00.00 — Oxygen
2804.50.00 — Boron; tellurium
2804.61.00.00 — Containing by weight not less than 99.99 percent of silicon
2804.69.10.00 — Containing by weight less than 99.99 percent but not less than 99 percent of silicon
2804.69.50.00 — Other
2804.70.00.00 — Phosphorus
2804.80.00.00 — Arsenic
2804.90.00.00 — Selenium
2805.11.00.00 — Sodium
2805.12.00.00 — Calcium
2805.19.10.00 — Strontium
2805.19.20.00 — Barium
2805.19.90 — Other
2805.30.00 — Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed
2805.40.00.00 — Mercury
2806.10.00.00 — Hydrogen chloride (Hydrochloric acid)
2806.20.00.00 — Chlorosulfuric acid
2807.00.00.00 — Sulfuric acid; oleum
2808.00.00 — Nitric acid; sulfonitric acids
2809.10.00.00 — Diphosphorus pentaoxide
2809.20.00 — Phosphoric acid and polyphosphoric acids
2810.00.00.00 — Oxides of boron; boric acids
2811.11.00.00 — Hydrogen fluoride (Hydrofluoric acid)
2811.12.00.00 — Hydrogen cyanide (hydrocyanic acid)
2811.19.10.00 — Arsenic acid
2811.19.30.00 — Hydrobromic acid
2811.19.61 — Other
2811.21.00.00 — Carbon dioxide
2811.22.10.00 — Synthetic silica gel
2811.22.50.00 — Other
2811.29.10.00 — Arsenic trioxide
2811.29.20.00 — Selenium dioxide
2811.29.30.00 — Sulfur dioxide
2811.29.50.00 — Other
2812.11.00.00 — Carbonyl dichloride (phosgene)
2812.12.00.00 — Phosphorous oxychloride
2812.13.00.00 — Phosphorous trichloride
2812.14.00.00 — Phosphorous pentachloride
2812.15.00.00 — Sulfur monochloride
2812.16.00.00 — Sulfur dichloride
2812.17.00.00 — Thionyl chloride
2812.19.00 — Other
2812.90.00 — Other
2813.10.00.00 — Carbon disulfide
2813.90.10.00 — Of arsenic
2813.90.20.00 — Of phosphorus
2813.90.50.00 — Other
2814.10.00.00 — Anhydrous ammonia
2814.20.00.00 — Ammonia in aqueous solution
2815.11.00.00 — Solid
2815.12.00.00 — In aqueous solution (Soda lye or liquid soda)
2815.20.00 — Potassium hydroxide (Caustic potash)
2815.30.00.00 — Peroxides of sodium or potassium
2816.10.00.00 — Hydroxide and peroxide of magnesium
2816.40.10.00 — Of strontium
2816.40.20.00 — Of barium
2817.00.00.00 — Zinc oxide; zinc peroxide
2818.10.10.00 — Crude
2818.10.20 — In grains, or ground, pulverized or refined
2818.20.00.00 — Aluminum oxide, other than artificial corundum
2818.30.00.00 — Aluminum hydroxide
2819.10.00.00 — Chromium trioxide
2819.90.00.00 — Other
2820.10.00.00 — Manganese dioxide
2820.90.00.00 — Other
2821.10.00 — Iron oxides and hydroxides
2821.20.00.00 — Earth colors
2822.00.00 — Cobalt oxides and hydroxides; commercial cobalt oxides
2823.00.00.00 — Titanium oxides
2824.10.00.00 — Lead monoxide (litharge, massicot)
2824.90.10.00 — Lead suboxide (leady litharge)
2824.90.20.00 — Red lead and orange lead
2824.90.50.00 — Other
2825.10.00.00 — Hydrazine and hydroxylamine and their inorganic salts
2825.20.00.00 — Lithium oxide and hydroxide
2825.30.00 — Vanadium oxides and hydroxides
2825.40.00.00 — Nickel oxides and hydroxides
2825.50.10.00 — Cupric oxide
2825.50.20.00 — Cuprous oxide
2825.50.30.00 — Copper hydroxides
2825.60.00 — Germanium oxides and zirconium dioxide
2825.70.00.00 — Molybdenum oxides and hydroxides
2825.80.00.00 — Antimony oxides
2825.90.10.00 — Beryllium oxide and hydroxide
2825.90.15.00 — Niobium oxide
2825.90.20.00 — Tin oxides
2825.90.30.00 — Tungsten oxides
2825.90.75.00 — Cadmium oxide
2825.90.90.00 — Other
2826.12.00.00 — Of aluminum
2826.19.10.00 — Of ammonium
2826.19.20.00 — Of sodium
2826.19.90.00 — Other
2826.30.00.00 — Sodium hexafluoroaluminate (Synthetic cryolite)
2826.90.10.00 — Fluorosilicates of sodium or of potassium
2826.90.90 — Other
2827.10.00.00 — Ammonium chloride
2827.20.00.00 — Calcium chloride
2827.31.00.00 — Of magnesium
2827.32.00.00 — Of aluminum
2827.35.00.00 — Of nickel
2827.39.10.00 — Of vanadium
2827.39.25.00 — Of tin
2827.39.30.00 — Of titanium
2827.39.40.00 — Of tungsten
2827.39.45.00 — Of barium
2827.39.55.00 — Of iron
2827.39.60.00 — Of cobalt
2827.39.65.00 — Of zinc
2827.39.90 — Other
2827.41.00.00 — Of copper
2827.49.10.00 — Of vanadium
2827.49.50.00 — Other
2827.51.00.00 — Bromides of sodium or of potassium
2827.59.25.00 — Of ammonium, of calcium or of zinc
2827.59.51.00 — Other
2827.60.10.00 — Of calcium or of copper
2827.60.20.00 — Of potassium
2827.60.51.00 — Other
2828.10.00.00 — Commercial calcium hypochlorite and other calcium hypochlorites
2828.90.00.00 — Other
2829.11.00.00 — Of sodium
2829.19.01.00 — Other
2829.90.05.00 — Potassium bromate
2829.90.25.00 — Sodium bromate
2829.90.40.00 — Of potassium
2829.90.61.00 — Other
2830.10.00.00 — Sodium sulfides
2830.90.10.00 — Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight
2830.90.15.00 — Other zinc sulfide
2830.90.20.00 — Cadmium sulfide
2830.90.90.00 — Other
2831.10.10.00 — Sodium formaldehyde sulfoxylate
2831.10.50.00 — Other
2831.90.00.00 — Other
2832.10.00.00 — Sodium sulfites
2832.20.00.00 — Other sulfites
2832.30.10.00 — Sodium thiosulfate
2832.30.50.00 — Other
2833.11.10.00 — Salt cake
2833.11.50 — Other
2833.19.00.00 — Other
2833.21.00.00 — Of magnesium
2833.22.00.00 — Of aluminum
2833.24.00.00 — Of nickel
2833.25.00.00 — Of copper
2833.27.00.00 — Of barium
2833.29.10.00 — Of cobalt
2833.29.20.00 — Of iron
2833.29.30.00 — Of vanadium
2833.29.40.00 — Of chromium
2833.29.45.00 — Of zinc
2833.29.51 — Other
2833.30.00.00 — Alums
2833.40.20.00 — Of sodium
2833.40.60 — Other
2834.10.10.00 — Of sodium
2834.10.50.00 — Other
2834.21.00.00 — Of potassium
2834.29.05.00 — Of bismuth
2834.29.10.00 — Of calcium
2834.29.20.00 — Of strontium
2834.29.51.00 — Other
2835.10.00.00 — Phosphinates (hypophosphites) and phosphonates (phosphites)
2835.22.00.00 — Of mono- or disodium
2835.24.00.00 — Of potassium
2835.25.00.00 — Calcium hydrogenorthophosphate ("Dicalcium phosphate")
2835.26.00.00 — Other phosphates of calcium
2835.29.10.00 — Of aluminum
2835.29.20.00 — Of triammonium
2835.29.30.00 — Of trisodium
2835.29.51.00 — Other
2835.31.00.00 — Sodium triphosphate (Sodium tripolyphosphate)
2835.39.10.00 — Of potassium
2835.39.50.00 — Other
2836.20.00.00 — Disodium carbonate
2836.30.00.00 — Sodium hydrogencarbonate (Sodium bicarbonate)
2836.40.10.00 — Dipotassium carbonate
2836.40.20.00 — Potassium hydrogencarbonate (Potassium bicarbonate)
2836.50.00.00 — Calcium carbonate
2836.60.00.00 — Barium carbonate
2836.91.00 — Lithium carbonates
2836.92.00.00 — Strontium carbonate
2836.99.10.00 — Cobalt carbonates
2836.99.20.00 — Bismuth carbonate
2836.99.30.00 — Commercial ammonium carbonate and other ammonium carbonates
2836.99.40.00 — Lead carbonates
2836.99.50 — Other
2837.11.00.00 — Of sodium
2837.19.01 — Other
2837.20.10.00 — Potassium ferricyanide
2837.20.51.00 — Other
2839.11.00.00 — Sodium metasilicates
2839.19.00.00 — Other
2839.90.10.00 — Of potassium
2839.90.50.00 — Other
2840.11.00.00 — Anhydrous
2840.19.00.00 — Other
2840.20.00.00 — Other borates
2840.30.00 — Peroxoborates (perborates)
2841.30.00.00 — Sodium dichromate
2841.50.10.00 — Potassium dichromate
2841.50.91.00 — Other
2841.61.00.00 — Potassium permanganate
2841.69.00 — Other
2841.70.10.00 — Of ammonium
2841.70.50.00 — Other
2841.80.00 — Tungstates (wolframates)
2841.90.10.00 — Vanadates
2841.90.20.00 — Ammonium perrhenate
2841.90.30.00 — Potassium stannate
2841.90.40.00 — Aluminates
2841.90.45.00 — Chromates of zinc or of lead
2841.90.50.00 — Other
2842.10.00.00 — Double or complex silicates, including aluminosilicates whether or not chemically defined
2842.90.10.00 — Fulminates, cyanates and thiocyanates
2842.90.90 — Other
2843.10.00.00 — Colloidal precious metals
2843.21.00.00 — Silver nitrate
2843.29.01.00 — Other
2843.30.00.00 — Gold compounds
2843.90.00.00 — Other compounds; amalgams
2844.10.10.00 — Uranium metal
2844.10.20 — Uranium compounds
2844.10.50.00 — Other
2844.20.00 — Uranium 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 products
2844.30.10.00 — Thorium compounds
2844.30.20 — Uranium compounds
2844.30.50 — Other
2844.41.00.00 — Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds
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 compounds
2844.43.00 — Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds
2844.44.00.00 — Radioactive residues
2844.50.00.00 — Spent (irradiated) fuel elements (cartridges) of nuclear reactors
2845.10.00.00 — Heavy water (Deuterium oxide)
2845.20.00.00 — Boron enriched in boron-10 and its compounds
2845.30.00.00 — Lithium enriched in lithium-6 and its compounds
2845.40.00.00 — Helium-3
2845.90.01.00 — Other
2846.10.00 — Cerium compounds
2846.90.20 — Mixtures of rare-earth oxides or of rare-earth chlorides
2846.90.40.00 — Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent
2846.90.80 — Other
2847.00.00.00 — Hydrogen peroxide, whether or not solidified with urea
2849.10.00.00 — Of calcium
2849.20.10.00 — Crude
2849.20.20.00 — In grains, or ground, pulverized or refined
2849.90.10.00 — Of boron
2849.90.20.00 — Of chromium
2849.90.30.00 — Of tungsten
2849.90.50.00 — Other
2850.00.05.00 — Of calcium
2850.00.07.00 — Of titanium
2850.00.10.00 — Of tungsten
2850.00.20.00 — Of vanadium
2850.00.50.00 — Other
2852.10.10.00 — Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide
2852.10.90.00 — Other
2852.90.05.00 — Albuminates, tannates and phosphides of mercury
2852.90.90.00 — Other
2853.10.00.00 — Cyanogen chloride (chloorcyan)
2853.90.10.00 — Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous
2853.90.50.00 — Of other metals or nonmetals
2853.90.90 — Other

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