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Section VI · Chemical and allied industries
Inorganic chemicals; compounds of precious metals, rare-earth metals
180 subheadings in 50 headings. Open one for the published General, Special and Column 2 rates of every tariff line beneath it.
2801Fluorine, chlorine, bromine and iodine
2802Sulfur, sublimed or precipitated; colloidal sulfur
2803Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
2804Hydrogen, rare gases and other nonmetals
2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury
2806Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid
2807Sulfuric acid; oleum
2808Nitric acid; sulfonitric acids
2809Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined
2810Oxides of boron; boric acids
2811Other inorganic acids and other inorganic oxygen compounds of nonmetals
2812Halides and halide oxides of nonmetals
2813Sulfides of nonmetals; commercial phosphorus trisulfide
2814Ammonia, anhydrous or in aqueous solution
2815Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium
2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium
2817Zinc oxide; zinc peroxide
2818Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide
2819Chromium oxides and hydroxides
2820Manganese oxides
2821Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3
2822Cobalt oxides and hydroxides; commercial cobalt oxides
2823Titanium oxides
2824Lead oxides; red lead and orange lead
2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
- 2825.10Hydrazine and hydroxylamine and their inorganic salts
- 2825.20Lithium oxide and hydroxide
- 2825.30Vanadium oxides and hydroxides
- 2825.40Nickel oxides and hydroxides
- 2825.50Copper oxides and hydroxides:
- 2825.60Germanium oxides and zirconium dioxide
- 2825.70Molybdenum oxides and hydroxides
- 2825.80Antimony oxides
- 2825.90Other:
2826Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts
2827Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides
2828Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites
2829Chlorates and perchlorates; bromates and perbromates; iodates and periodates
2830Sulfides; polysulfides, whether or not chemically defined
2831Dithionites and sulfoxylates
2832Sulfites; thiosulfates
2833Sulfates; alums; peroxosulfates (persulfates)
2834Nitrites; nitrates
2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined
2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
2837Cyanides, cyanide oxides and complex cyanides
2839Silicates; commercial alkali metal silicates
2840Borates; peroxoborates (perborates)
2841Salts of oxometallic or peroxometallic acids
2842Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides
2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals
2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products
- 2844.10Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds:
- 2844.20Uranium 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
- 2844.30Uranium 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:
- 2844.41Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds
- 2844.42Actinium-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
- 2844.43Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds
- 2844.44Radioactive residues
- 2844.50Spent (irradiated) fuel elements (cartridges) of nuclear reactors
2845Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined
2846Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals
2847Hydrogen peroxide, whether or not solidified with urea
2849Carbides, whether or not chemically defined
2850Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849
2852Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams
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
Source: U.S. International Trade Commission (USITC) — 2026 HTS Revision 12, released 2026-07-21. Listed rates are not always the rate collected — verify with your licensed customs broker.