Section VI: Products of the chemical or allied industries
Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
50 headings and 274 8-digit codes, from the USITC schedule, Revision 20 (2026).
- 2801Fluorine, chlorine, bromine and iodine4 codes
- 2802.00.00Sulfur, sublimed or precipitated; colloidal sulfur1 code
- 2803.00.00Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)1 code
- 2804Hydrogen, rare gases and other nonmetals12 codes
- 2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury7 codes
- 2806Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid2 codes
- 2807.00.00Sulfuric acid; oleum1 code
- 2808.00.00Nitric acid; sulfonitric acids1 code
- 2809Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined2 codes
- 2810.00.00Oxides of boron; boric acids1 code
- 2811Other inorganic acids and other inorganic oxygen compounds of nonmetals12 codes
- 2812Halides and halide oxides of nonmetals9 codes
- 2813Sulfides of nonmetals; commercial phosphorus trisulfide4 codes
- 2814Ammonia, anhydrous or in aqueous solution2 codes
- 2815Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium4 codes
- 2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium3 codes
- 2817.00.00Zinc oxide; zinc peroxide1 code
- 2818Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide4 codes
- 2819Chromium oxides and hydroxides2 codes
- 2820Manganese oxides2 codes
- 2821Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O32 codes
- 2822.00.00Cobalt oxides and hydroxides; commercial cobalt oxides1 code
- 2823.00.00Titanium oxides1 code
- 2824Lead oxides; red lead and orange lead4 codes
- 2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides16 codes
- 2826Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts7 codes
- 2827Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides23 codes
- 2828Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites2 codes
- 2829Chlorates and perchlorates; bromates and perbromates; iodates and periodates6 codes
- 2830Sulfides; polysulfides, whether or not chemically defined5 codes
- 2831Dithionites and sulfoxylates3 codes
- 2832Sulfites; thiosulfates4 codes
- 2833Sulfates; alums; peroxosulfates (persulfates)17 codes
- 2834Nitrites; nitrates7 codes
- 2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined12 codes
- 2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate13 codes
- 2837Cyanides, cyanide oxides and complex cyanides4 codes
- 2839Silicates; commercial alkali metal silicates4 codes
- 2840Borates; peroxoborates (perborates)4 codes
- 2841Salts of oxometallic or peroxometallic acids14 codes
- 2842Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides3 codes
- 2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals5 codes
- 2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products12 codes
- 2845Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined5 codes
- 2846Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals4 codes
- 2847.00.00Hydrogen peroxide, whether or not solidified with urea1 code
- 2849Carbides, whether or not chemically defined7 codes
- 2850Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: Of calcium5 codes
- 2852Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams4 codes
- 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 metals4 codes