Inorganic chemicals and compounds of precious or rare-earth metals
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50 headings459 total provisions2026 Rev. 12 dataset
HeadingDescriptionMore specific provisions
2801Fluorine, chlorine, bromine and iodine:5 View →2802Sulfur, sublimed or precipitated; colloidal sulfur1 View →2803Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)3 View →2804Hydrogen, rare gases and other nonmetals:19 View →2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury:16 View →2806Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid:2 View →2807Sulfuric acid; oleum1 View →2808Nitric acid; sulfonitric acids3 View →2809Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined:6 View →2810Oxides of boron; boric acids1 View →2811Other inorganic acids and other inorganic oxygen compounds of nonmetals:17 View →2812Halides and halide oxides of nonmetals:13 View →2813Sulfides of nonmetals; commercial phosphorus trisulfide:5 View →2814Ammonia, anhydrous or in aqueous solution:2 View →2815Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium:6 View →2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium:4 View →2817Zinc oxide; zinc peroxide1 View →2818Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide:7 View →2819Chromium oxides and hydroxides:2 View →2820Manganese oxides:2 View →2821Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3:7 View →2822Cobalt oxides and hydroxides; commercial cobalt oxides3 View →2823Titanium oxides1 View →2824Lead oxides; red lead and orange lead:5 View →2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides:23 View →2826Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts:11 View →2827Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides:29 View →2828Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites:2 View →2829Chlorates and perchlorates; bromates and perbromates; iodates and periodates:7 View →2830Sulfides; polysulfides, whether or not chemically defined:6 View →2831Dithionites and sulfoxylates:4 View →2832Sulfites; thiosulfates:5 View →2833Sulfates; alums; peroxosulfates (persulfates):27 View →2834Nitrites; nitrates:9 View →2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:14 View →2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate:19 View →2837Cyanides, cyanide oxides and complex cyanides:8 View →2839Silicates; commercial alkali metal silicates:5 View →2840Borates; peroxoborates (perborates):6 View →2841Salts of oxometallic or peroxometallic acids:22 View →2842Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides:6 View →2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals:5 View →2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products:30 View →2845Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined:5 View →2846Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals:15 View →2847Hydrogen peroxide, whether or not solidified with urea1 View →2849Carbides, whether or not chemically defined:9 View →2850Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849:6 View →2852Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams:6 View →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:7 View →Classification reminder
Chapter placement alone does not determine a final HTS code. Read the applicable section and chapter notes, compare the full legal wording, and continue until the required reporting level is reached.
Check Chapter 28 in the official USITC tariff ↗