HTS CHAPTER

Chapter 28: Inorganic Chemicals

Chapter 28 of the Harmonized Tariff Schedule (HTS) covers inorganic chemicals and includes a variety of essential products that play crucial roles in numerous industries. This chapter encompasses categories such as salts, acids, and metal oxides, along with organic or inorganic compounds of precious metals like gold and platinum. Common examples of products within this chapter include sulfuric acid, sodium bicarbonate, and titanium dioxide. Industries that frequently import goods from Chapter 28 include pharmaceuticals, agriculture, manufacturing, and electronics, where these chemicals are vital for production processes. Importers should be aware of regulatory considerations, such as compliance with the Environmental Protection Agency (EPA) guidelines and proper labeling requirements for hazardous materials. Additionally, certain chemicals may be subject to restrictions or require special permits for import, particularly those that pose environmental or health risks. Understanding these regulations is crucial for business owners to ensure smooth import operations and avoid costly penalties.

459
Total HS Codes
2.5%
Avg. Duty Rate

Heading 2801

Category Group
2801 Fluorine, chlorine, bromine and iodine:...
Var% 🧮
2801.10.00.00 Chlorine...
0.0000% 🧮
2801.20.00.00 Iodine...
0.0000% 🧮
2801.30 Fluorine; bromine:...
Var% 🧮
2801.30.10.00 Fluorine...
3.7000% 🧮
2801.30.20.00 Bromine...
5.5000% 🧮

Heading 2802

Category Group
2802.00.00.00 Sulfur, sublimed or precipitated; colloidal sulfur...
0.0000% 🧮

Heading 2803

Category Group
2803.00.00 Carbon (carbon blacks and other forms of carbon not elsewher...
0.0000% 🧮
2803.00.00.10 Carbon black...
Var% 🧮
Var% 🧮

Heading 2804

Category Group
2804 Hydrogen, rare gases and other nonmetals:...
Var% 🧮
2804.10.00.00 Hydrogen...
3.7000% 🧮
3.7000% 🧮
2804.29.00 Other...
3.7000% 🧮
2804.29.00.10 Helium...
Var% 🧮
Var% 🧮
2804.29.00.30 Isotopically pure rare gases having a purity of 99 percent o...
Var% 🧮
Var% 🧮
2804.30.00.00 Nitrogen...
3.7000% 🧮
2804.40.00.00 Oxygen...
3.7000% 🧮
2804.50.00 Boron; tellurium...
0.0000% 🧮
Var% 🧮
2804.50.00.20 Tellurium...
Var% 🧮
2804.61.00.00 Containing by weight not less than 99.99 percent of silicon...
0.0000% 🧮
2804.69 Other:...
Var% 🧮
2804.69.10.00 Containing by weight less than 99.99 percent but not less th...
5.3000% 🧮
5.5000% 🧮
2804.70.00.00 Phosphorus...
0.0000% 🧮
2804.80.00.00 Arsenic...
0.0000% 🧮
2804.90.00.00 Selenium...
0.0000% 🧮

Heading 2805

Category Group
2805 Alkali or alkaline-earth metals; rare-earth metals, scandium...
Var% 🧮
2805.11.00.00 Sodium...
5.3000% 🧮
2805.12.00.00 Calcium...
3.0000% 🧮
2805.19 Other:...
Var% 🧮
2805.19.10.00 Strontium...
3.7000% 🧮
2805.19.20.00 Barium...
0.0000% 🧮
2805.19.90 Other...
5.5000% 🧮
2805.19.90.10 Lithium...
Var% 🧮
Var% 🧮
2805.30.00 Rare-earth metals, scandium and yttrium, whether or not inte...
5.0000% 🧮
2805.30.00.05 Lanthanum...
Var% 🧮
2805.30.00.10 Cerium...
Var% 🧮
2805.30.00.15 Praseodymium...
Var% 🧮
2805.30.00.20 Neodymium...
Var% 🧮
Var% 🧮
Var% 🧮
2805.40.00.00 Mercury...
1.7000% 🧮

Heading 2806

Category Group
2806 Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid:...
Var% 🧮
2806.10.00.00 Hydrogen chloride (Hydrochloric acid)...
0.0000% 🧮
2806.20.00.00 Chlorosulfuric acid...
4.2000% 🧮

Heading 2807

Category Group
2807.00.00.00 Sulfuric acid; oleum...
0.0000% 🧮

Heading 2808

Category Group
2808.00.00 Nitric acid; sulfonitric acids...
0.0000% 🧮
2808.00.00.10 Nitric acid...
Var% 🧮
2808.00.00.20 Sulfonitric acids...
Var% 🧮

Heading 2809

Category Group
2809 Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acid...
Var% 🧮
2809.10.00.00 Diphosphorus pentaoxide...
0.0000% 🧮
2809.20.00 Phosphoric acid and polyphosphoric acids...
0.0000% 🧮
2809.20.00.10 Containing less than 65 percent available diphosphorus penta...
Var% 🧮
Var% 🧮
Var% 🧮
2809.20.00.40 Polyphosphoric acids...
Var% 🧮

Heading 2810

Category Group
2810.00.00.00 Oxides of boron; boric acids...
1.5000% 🧮

Heading 2811

Category Group
2811 Other inorganic acids and other inorganic oxygen compounds o...
Var% 🧮
2811.11.00.00 Hydrogen fluoride (Hydrofluoric acid)...
0.0000% 🧮
2811.12.00.00 Hydrogen cyanide (hydrocyanic acid)...
4.2000% 🧮
2811.19 Other:...
Var% 🧮
2811.19.10.00 Arsenic acid...
2.3000% 🧮
2811.19.30.00 Hydrobromic acid...
0.0000% 🧮
2811.19.61 Other...
4.2000% 🧮
2811.19.61.10 Sulfamic acid...
Var% 🧮
Var% 🧮
2811.21.00.00 Carbon dioxide...
3.7000% 🧮
2811.22 Silicon dioxide:...
Var% 🧮
2811.22.10.00 Synthetic silica gel...
3.7000% 🧮
0.0000% 🧮
2811.29 Other:...
Var% 🧮
2811.29.10.00 Arsenic trioxide...
0.0000% 🧮
2811.29.20.00 Selenium dioxide...
0.0000% 🧮
2811.29.30.00 Sulfur dioxide...
4.2000% 🧮
3.7000% 🧮

Heading 2812

Category Group
2812 Halides and halide oxides of nonmetals:...
Var% 🧮
2812.11.00.00 Carbonyl dichloride (phosgene)...
3.7000% 🧮
2812.12.00.00 Phosphorous oxychloride...
3.7000% 🧮
2812.13.00.00 Phosphorous trichloride...
3.7000% 🧮
2812.14.00.00 Phosphorous pentachloride...
0.0000% 🧮
2812.15.00.00 Sulfur monochloride...
3.7000% 🧮
2812.16.00.00 Sulfur dichloride...
3.7000% 🧮
2812.17.00.00 Thionyl chloride...
3.7000% 🧮
2812.19.00 Other...
3.7000% 🧮
2812.19.00.10 Arsenic trichloride...
Var% 🧮
Var% 🧮
2812.90.00 Other...
3.7000% 🧮
2812.90.00.10 Sulfur hexafluoride...
Var% 🧮
Var% 🧮

Heading 2813

Category Group
2813 Sulfides of nonmetals; commercial phosphorus trisulfide:...
Var% 🧮
2813.10.00.00 Carbon disulfide...
3.7000% 🧮
2813.90 Other:...
Var% 🧮
2813.90.10.00 Of arsenic...
0.0000% 🧮
2813.90.20.00 Of phosphorus...
0.0000% 🧮
3.7000% 🧮

Heading 2814

Category Group
2814 Ammonia, anhydrous or in aqueous solution:...
Var% 🧮
2814.10.00.00 Anhydrous ammonia...
0.0000% 🧮
2814.20.00.00 Ammonia in aqueous solution...
0.0000% 🧮

Heading 2815

Category Group
2815 Sodium hydroxide (Caustic soda); potassium hydroxide (Causti...
Var% 🧮
0.0000% 🧮
2815.12.00.00 In aqueous solution (Soda lye or liquid soda)...
0.0000% 🧮
2815.20.00 Potassium hydroxide (Caustic potash)...
0.0000% 🧮
2815.20.00.50 In solid form...
Var% 🧮
Var% 🧮
2815.30.00.00 Peroxides of sodium or potassium...
3.7000% 🧮

Heading 2816

Category Group
2816 Hydroxide and peroxide of magnesium; oxides, hydroxides and ...
Var% 🧮
2816.10.00.00 Hydroxide and peroxide of magnesium...
3.1000% 🧮
2816.40 Oxides, hydroxides and peroxides, of strontium or barium:...
Var% 🧮
2816.40.10.00 Of strontium...
4.2000% 🧮
2816.40.20.00 Of barium...
2.0000% 🧮

Heading 2817

Category Group
2817.00.00.00 Zinc oxide; zinc peroxide...
0.0000% 🧮

Heading 2818

Category Group
2818 Artificial corundum, whether or not chemically defined; alum...
Var% 🧮
2818.10 Artificial corundum, whether or not chemically defined:...
Var% 🧮
0.0000% 🧮
2818.10.20 In grains, or ground, pulverized or refined...
1.3000% 🧮
2818.10.20.10 White, pink or ruby, containing more than 97.5 percent by we...
Var% 🧮
Var% 🧮
2818.20.00.00 Aluminum oxide, other than artificial corundum...
0.0000% 🧮
2818.30.00.00 Aluminum hydroxide...
0.0000% 🧮

Heading 2819

Category Group
2819 Chromium oxides and hydroxides:...
Var% 🧮
2819.10.00.00 Chromium trioxide...
3.7000% 🧮
3.7000% 🧮

Heading 2820

Category Group
2820 Manganese oxides:...
Var% 🧮
2820.10.00.00 Manganese dioxide...
4.7000% 🧮
4.7000% 🧮

Heading 2821

Category Group
2821 Iron oxides and hydroxides; earth colors containing 70 perce...
Var% 🧮
2821.10.00 Iron oxides and hydroxides...
3.7000% 🧮
Var% 🧮
Var% 🧮
2821.10.00.30 Yellow...
Var% 🧮
Var% 🧮
Var% 🧮
2821.20.00.00 Earth colors...
5.5000% 🧮

Heading 2822

Category Group
2822.00.00 Cobalt oxides and hydroxides; commercial cobalt oxides...
0.1000% 🧮
2822.00.00.10 Cobalt(II, III) oxide (cobalt tetroxide)...
Var% 🧮
Var% 🧮

Heading 2823

Category Group
2823.00.00.00 Titanium oxides...
5.5000% 🧮

Heading 2824

Category Group
2824 Lead oxides; red lead and orange lead:...
Var% 🧮
2824.10.00.00 Lead monoxide (litharge, massicot)...
3.0000% 🧮
2824.90 Other:...
Var% 🧮
2824.90.10.00 Lead suboxide (leady litharge)...
5.5000% 🧮
2824.90.20.00 Red lead and orange lead...
3.4000% 🧮
4.8000% 🧮

Heading 2825

Category Group
2825 Hydrazine and hydroxylamine and their inorganic salts; other...
Var% 🧮
2825.10.00.00 Hydrazine and hydroxylamine and their inorganic salts...
3.7000% 🧮
2825.20.00.00 Lithium oxide and hydroxide...
3.7000% 🧮
2825.30.00 Vanadium oxides and hydroxides...
5.5000% 🧮
2825.30.00.10 Vanadium pentoxide (anhydride)...
Var% 🧮
Var% 🧮
2825.40.00.00 Nickel oxides and hydroxides...
0.0000% 🧮
2825.50 Copper oxides and hydroxides:...
Var% 🧮
2825.50.10.00 Cupric oxide...
4.3000% 🧮
2825.50.20.00 Cuprous oxide...
5.0000% 🧮
2825.50.30.00 Copper hydroxides...
3.9000% 🧮
2825.60.00 Germanium oxides and zirconium dioxide...
3.7000% 🧮
2825.60.00.10 Germanium dioxide...
Var% 🧮
2825.60.00.20 Zirconium dioxide...
Var% 🧮
Var% 🧮
2825.70.00.00 Molybdenum oxides and hydroxides...
3.2000% 🧮
2825.80.00.00 Antimony oxides...
0.0000% 🧮
2825.90 Other:...
Var% 🧮
2825.90.10.00 Beryllium oxide and hydroxide...
3.7000% 🧮
2825.90.15.00 Niobium oxide...
3.7000% 🧮
2825.90.20.00 Tin oxides...
4.2000% 🧮
2825.90.30.00 Tungsten oxides...
5.5000% 🧮
2825.90.75.00 Cadmium oxide...
0.0000% 🧮
3.7000% 🧮

Heading 2826

Category Group
2826 Fluorides; fluorosilicates, fluoroaluminates and other compl...
Var% 🧮
2826.12.00.00 Of aluminum...
0.0000% 🧮
2826.19 Other:...
Var% 🧮
2826.19.10.00 Of ammonium...
3.1000% 🧮
2826.19.20.00 Of sodium...
3.7000% 🧮
3.9000% 🧮
2826.30.00.00 Sodium hexafluoroaluminate (Synthetic cryolite)...
0.0000% 🧮
2826.90 Other:...
Var% 🧮
2826.90.10.00 Fluorosilicates of sodium or of potassium...
4.1000% 🧮
2826.90.90 Other...
3.1000% 🧮
2826.90.90.10 Lithium hexafluorophosphate...
Var% 🧮
Var% 🧮

Heading 2827

Category Group
2827 Chlorides, chloride oxides and chloride hydroxides; bromides...
Var% 🧮
2827.10.00.00 Ammonium chloride...
2.9000% 🧮
2827.20.00.00 Calcium chloride...
0.0000% 🧮
2827.31.00.00 Of magnesium...
1.5000% 🧮
2827.32.00.00 Of aluminum...
0.0000% 🧮
2827.35.00.00 Of nickel...
3.7000% 🧮
2827.39 Other:...
Var% 🧮
2827.39.10.00 Of vanadium...
5.5000% 🧮
2827.39.25.00 Of tin...
4.2000% 🧮
2827.39.30.00 Of titanium...
4.9000% 🧮
2827.39.40.00 Of tungsten...
5.5000% 🧮
2827.39.45.00 Of barium...
4.2000% 🧮
2827.39.55.00 Of iron...
3.7000% 🧮
2827.39.60.00 Of cobalt...
4.2000% 🧮
2827.39.65.00 Of zinc...
1.6000% 🧮
2827.39.90 Other...
3.7000% 🧮
2827.39.90.10 Of lithium...
Var% 🧮
Var% 🧮
2827.41.00.00 Of copper...
3.9000% 🧮
2827.49 Other:...
Var% 🧮
2827.49.10.00 Of vanadium...
5.5000% 🧮
5.5000% 🧮
2827.51.00.00 Bromides of sodium or of potassium...
0.0000% 🧮
2827.59 Other:...
Var% 🧮
2827.59.25.00 Of ammonium, of calcium or of zinc...
0.0000% 🧮
3.6000% 🧮
2827.60 Iodides and iodide oxides:...
Var% 🧮
2827.60.10.00 Of calcium or of copper...
0.0000% 🧮
2827.60.20.00 Of potassium...
2.8000% 🧮
4.2000% 🧮

Heading 2828

Category Group
2828 Hypochlorites; commercial calcium hypochlorite; chlorites; h...
Var% 🧮
2828.10.00.00 Commercial calcium hypochlorite and other calcium hypochlori...
2.4000% 🧮
3.7000% 🧮

Heading 2829

Category Group
2829 Chlorates and perchlorates; bromates and perbromates; iodate...
Var% 🧮
2829.11.00.00 Of sodium...
0.0000% 🧮
3.3000% 🧮
2829.90 Other:...
Var% 🧮
2829.90.05.00 Potassium bromate...
0.0000% 🧮
2829.90.25.00 Sodium bromate...
0.0000% 🧮
2829.90.40.00 Of potassium...
3.1000% 🧮
3.7000% 🧮

Heading 2830

Category Group
2830 Sulfides; polysulfides, whether or not chemically defined:...
Var% 🧮
2830.10.00.00 Sodium sulfides...
3.7000% 🧮
2830.90 Other:...
Var% 🧮
2830.90.10.00 Zinc sulfide, luminescent grade having a purity of 99.99 per...
0.0000% 🧮
2830.90.15.00 Other zinc sulfide...
2.8000% 🧮
2830.90.20.00 Cadmium sulfide...
3.1000% 🧮
3.0000% 🧮

Heading 2831

Category Group
2831 Dithionites and sulfoxylates:...
Var% 🧮
2831.10 Of sodium:...
Var% 🧮
2831.10.10.00 Sodium formaldehyde sulfoxylate...
0.0000% 🧮
5.5000% 🧮
5.5000% 🧮

Heading 2832

Category Group
2832 Sulfites; thiosulfates:...
Var% 🧮
2832.10.00.00 Sodium sulfites...
1.5000% 🧮
2832.20.00.00 Other sulfites...
3.1000% 🧮
2832.30 Thiosulfates:...
Var% 🧮
2832.30.10.00 Sodium thiosulfate...
1.5000% 🧮
3.1000% 🧮

Heading 2833

Category Group
2833 Sulfates; alums; peroxosulfates (persulfates):...
Var% 🧮
2833.11 Disodium sulfate:...
Var% 🧮
2833.11.10.00 Salt cake...
0.0000% 🧮
2833.11.50 Other...
0.4000% 🧮
2833.11.50.10 Anhydrous...
Var% 🧮
Var% 🧮
0.0000% 🧮
2833.21.00.00 Of magnesium...
3.7000% 🧮
2833.22.00.00 Of aluminum...
0.0000% 🧮
2833.24.00.00 Of nickel...
3.2000% 🧮
2833.25.00.00 Of copper...
1.4000% 🧮
2833.27.00.00 Of barium...
0.6000% 🧮
2833.29 Other:...
Var% 🧮
2833.29.10.00 Of cobalt...
1.4000% 🧮
2833.29.20.00 Of iron...
0.0000% 🧮
2833.29.30.00 Of vanadium...
5.5000% 🧮
2833.29.40.00 Of chromium...
3.7000% 🧮
2833.29.45.00 Of zinc...
1.6000% 🧮
2833.29.51 Other...
3.7000% 🧮
2833.29.51.10 Of manganese...
Var% 🧮
Var% 🧮
1.6000% 🧮
2833.40 Peroxosulfates (persulfates):...
Var% 🧮
2833.40.20.00 Of sodium...
3.7000% 🧮
2833.40.60 Other...
3.1000% 🧮
2833.40.60.10 Of potassium...
Var% 🧮
2833.40.60.20 Of ammonium...
Var% 🧮
Var% 🧮

Heading 2834

Category Group
2834 Nitrites; nitrates:...
Var% 🧮
2834.10 Nitrites:...
Var% 🧮
2834.10.10.00 Of sodium...
5.5000% 🧮
3.1000% 🧮
2834.21.00.00 Of potassium...
0.0000% 🧮
2834.29 Other:...
Var% 🧮
2834.29.05.00 Of bismuth...
5.5000% 🧮
2834.29.10.00 Of calcium...
0.0000% 🧮
2834.29.20.00 Of strontium...
4.2000% 🧮
3.5000% 🧮

Heading 2835

Category Group
2835 Phosphinates (hypophosphites), phosphonates (phosphites) and...
Var% 🧮
2835.10.00.00 Phosphinates (hypophosphites) and phosphonates (phosphites)...
3.1000% 🧮
2835.22.00.00 Of mono- or disodium...
1.4000% 🧮
2835.24.00.00 Of potassium...
3.1000% 🧮
2835.25.00.00 Calcium hydrogenorthophosphate ("Dicalcium phosphate")...
0.0000% 🧮
2835.26.00.00 Other phosphates of calcium...
0.0000% 🧮
2835.29 Other:...
Var% 🧮
2835.29.10.00 Of aluminum...
0.0000% 🧮
2835.29.20.00 Of triammonium...
1.5000% 🧮
2835.29.30.00 Of trisodium...
2.2000% 🧮
4.1000% 🧮
2835.31.00.00 Sodium triphosphate (Sodium tripolyphosphate)...
1.4000% 🧮
2835.39 Other:...
Var% 🧮
2835.39.10.00 Of potassium...
3.1000% 🧮
3.7000% 🧮

Heading 2836

Category Group
2836 Carbonates; peroxocarbonates (percarbonates); commercial amm...
Var% 🧮
2836.20.00.00 Disodium carbonate...
1.2000% 🧮
2836.30.00.00 Sodium hydrogencarbonate (Sodium bicarbonate)...
0.0000% 🧮
2836.40 Potassium carbonates:...
Var% 🧮
2836.40.10.00 Dipotassium carbonate...
1.9000% 🧮
2836.40.20.00 Potassium hydrogencarbonate (Potassium bicarbonate)...
1.3000% 🧮
2836.50.00.00 Calcium carbonate...
0.0000% 🧮
2836.60.00.00 Barium carbonate...
2.3000% 🧮
2836.91.00 Lithium carbonates...
3.7000% 🧮
2836.91.00.10 U.S.P. grade...
Var% 🧮
Var% 🧮
2836.92.00.00 Strontium carbonate...
4.2000% 🧮
2836.99 Other:...
Var% 🧮
2836.99.10.00 Cobalt carbonates...
4.2000% 🧮
2836.99.20.00 Bismuth carbonate...
5.5000% 🧮
2836.99.30.00 Commercial ammonium carbonate and other ammonium carbonates...
1.7000% 🧮
2836.99.40.00 Lead carbonates...
0.5000% 🧮
2836.99.50 Other...
3.7000% 🧮
2836.99.50.10 Zirconium carbonates...
Var% 🧮
Var% 🧮

Heading 2837

Category Group
2837 Cyanides, cyanide oxides and complex cyanides:...
Var% 🧮
2837.11.00.00 Of sodium...
0.0000% 🧮
2837.19.01 Other...
0.0000% 🧮
2837.19.01.10 Potassium cyanide...
Var% 🧮
2837.19.01.15 Calcium cyanide...
Var% 🧮
Var% 🧮
2837.20 Complex cyanides:...
Var% 🧮
2837.20.10.00 Potassium ferricyanide...
1.1000% 🧮
1.7000% 🧮

Heading 2839

Category Group
2839 Silicates; commercial alkali metal silicates:...
Var% 🧮
2839.11.00.00 Sodium metasilicates...
1.1000% 🧮
1.1000% 🧮
2839.90 Other:...
Var% 🧮
2839.90.10.00 Of potassium...
3.1000% 🧮
3.1000% 🧮

Heading 2840

Category Group
2840 Borates; peroxoborates (perborates):...
Var% 🧮
2840.11.00.00 Anhydrous...
0.3000% 🧮
0.1000% 🧮
2840.20.00.00 Other borates...
3.7000% 🧮
2840.30.00 Peroxoborates (perborates)...
3.7000% 🧮
2840.30.00.10 Sodium perborate...
Var% 🧮
Var% 🧮

Heading 2841

Category Group
2841 Salts of oxometallic or peroxometallic acids:...
Var% 🧮
2841.30.00.00 Sodium dichromate...
2.4000% 🧮
2841.50 Other chromates and dichromates; peroxochromates:...
Var% 🧮
2841.50.10.00 Potassium dichromate...
1.5000% 🧮
3.1000% 🧮
2841.61.00.00 Potassium permanganate...
5.0000% 🧮
2841.69.00 Other...
5.0000% 🧮
2841.69.00.10 Sodium permanganate...
Var% 🧮
Var% 🧮
2841.70 Molybdates:...
Var% 🧮
2841.70.10.00 Of ammonium...
4.3000% 🧮
3.7000% 🧮
2841.80.00 Tungstates (wolframates)...
5.5000% 🧮
2841.80.00.10 Of ammonium...
Var% 🧮
2841.80.00.20 Of calcium...
Var% 🧮
Var% 🧮
2841.90 Other:...
Var% 🧮
2841.90.10.00 Vanadates...
5.5000% 🧮
2841.90.20.00 Ammonium perrhenate...
3.1000% 🧮
2841.90.30.00 Potassium stannate...
3.1000% 🧮
2841.90.40.00 Aluminates...
3.1000% 🧮
2841.90.45.00 Chromates of zinc or of lead...
3.7000% 🧮
3.7000% 🧮

Heading 2842

Category Group
2842 Other salts of inorganic acids or peroxoacids (including alu...
Var% 🧮
2842.10.00.00 Double or complex silicates, including aluminosilicates whet...
3.7000% 🧮
2842.90 Other:...
Var% 🧮
2842.90.10.00 Fulminates, cyanates and thiocyanates...
3.1000% 🧮
2842.90.90 Other...
3.3000% 🧮
2842.90.90.10 Selenides and tellurides...
Var% 🧮
Var% 🧮

Heading 2843

Category Group
2843 Colloidal precious metals; inorganic or organic compounds of...
Var% 🧮
2843.10.00.00 Colloidal precious metals...
5.5000% 🧮
2843.21.00.00 Silver nitrate...
3.7000% 🧮
3.7000% 🧮
2843.30.00.00 Gold compounds...
5.0000% 🧮
2843.90.00.00 Other compounds; amalgams...
3.7000% 🧮

Heading 2844

Category Group
2844 Radioactive chemical elements and radioactive isotopes (incl...
Var% 🧮
2844.10 Natural uranium and its compounds; alloys, dispersions (incl...
Var% 🧮
2844.10.10.00 Uranium metal...
5.0000% 🧮
2844.10.20 Uranium compounds...
0.0000% 🧮
Var% 🧮
2844.10.20.25 Hexafluoride...
Var% 🧮
Var% 🧮
5.0000% 🧮
2844.20.00 Uranium enriched in U235 and its compounds; plutonium and it...
0.0000% 🧮
Var% 🧮
2844.20.00.20 Fluorides...
Var% 🧮
Var% 🧮
Var% 🧮
2844.30 Uranium depleted in U235 and its compounds; thorium and its ...
Var% 🧮
2844.30.10.00 Thorium compounds...
5.5000% 🧮
2844.30.20 Uranium compounds...
0.0000% 🧮
Var% 🧮
2844.30.20.20 Fluorides...
Var% 🧮
Var% 🧮
2844.30.50 Other...
5.0000% 🧮
2844.30.50.10 Uranium metal...
Var% 🧮
Var% 🧮
2844.41.00.00 Tritium and its compounds; alloys, dispersions (including ce...
0.0000% 🧮
2844.42.00.00 Actinium-225, actinium-227, californium-253, curium-240, cur...
0.0000% 🧮
2844.43.00 Other radioactive elements and isotopes and compounds; other...
0.0000% 🧮
2844.43.00.10 Elements, isotopes and compounds with cobalt-60 radioactivit...
Var% 🧮
2844.43.00.21 Americium-241, californium-252, cesium-137, gadolinium-153, ...
Var% 🧮
Var% 🧮
Var% 🧮
2844.44.00.00 Radioactive residues...
0.0000% 🧮
2844.50.00.00 Spent (irradiated) fuel elements (cartridges) of nuclear rea...
0.0000% 🧮

Heading 2845

Category Group
2845 Isotopes other than those of heading 2844; compounds, inorga...
Var% 🧮
2845.10.00.00 Heavy water (Deuterium oxide)...
0.0000% 🧮
2845.20.00.00 Boron enriched in boron-10 and its compounds...
0.0000% 🧮
2845.30.00.00 Lithium enriched in lithium-6 and its compounds...
0.0000% 🧮
2845.40.00.00 Helium-3...
0.0000% 🧮
0.0000% 🧮

Heading 2846

Category Group
2846 Compounds, inorganic or organic, of rare-earth metals, of yt...
Var% 🧮
2846.10.00 Cerium compounds...
5.5000% 🧮
2846.10.00.10 Cerium oxides...
Var% 🧮
Var% 🧮
2846.90 Other:...
Var% 🧮
2846.90.20 Mixtures of rare-earth oxides or of rare-earth chlorides...
0.0000% 🧮
2846.90.20.05 Containing lanthanum as the predominant metal...
Var% 🧮
2846.90.20.15 Containing yttrium or scandium as the predominant metal...
Var% 🧮
Var% 🧮
2846.90.20.82 Containing yttrium or scandium as the predominant metal...
Var% 🧮
Var% 🧮
2846.90.40.00 Yttrium bearing materials and compounds containing by weight...
0.0000% 🧮
2846.90.80 Other...
3.7000% 🧮
2846.90.80.70 Containing lanthanum as the predominant metal...
Var% 🧮
Var% 🧮
Var% 🧮

Heading 2847

Category Group
2847.00.00.00 Hydrogen peroxide, whether or not solidified with urea...
3.7000% 🧮

Heading 2849

Category Group
2849 Carbides, whether or not chemically defined:...
Var% 🧮
2849.10.00.00 Of calcium...
1.8000% 🧮
2849.20 Of silicon:...
Var% 🧮
0.0000% 🧮
2849.20.20.00 In grains, or ground, pulverized or refined...
0.5000% 🧮
2849.90 Other:...
Var% 🧮
2849.90.10.00 Of boron...
3.7000% 🧮
2849.90.20.00 Of chromium...
4.2000% 🧮
2849.90.30.00 Of tungsten...
5.5000% 🧮
3.7000% 🧮

Heading 2850

Category Group
2850.00 Hydrides, nitrides, azides, silicides and borides, whether o...
Var% 🧮
2850.00.05.00 Of calcium...
0.0000% 🧮
2850.00.07.00 Of titanium...
4.9000% 🧮
2850.00.10.00 Of tungsten...
5.5000% 🧮
2850.00.20.00 Of vanadium...
5.5000% 🧮
3.7000% 🧮

Heading 2852

Category Group
2852 Inorganic or organic compounds of mercury, whether or not ch...
Var% 🧮
2852.10 Chemically defined:...
Var% 🧮
2852.10.10.00 Mercuric oxide, mercuric cyanide, mercuric oxycyanide and me...
0.0000% 🧮
3.0000% 🧮
2852.90 Other:...
Var% 🧮
2852.90.05.00 Albuminates, tannates and phosphides of mercury...
0.0000% 🧮
3.0000% 🧮

Heading 2853

Category Group
2853 Phosphides, whether or not chemically defined, excluding fer...
Var% 🧮
2853.10.00.00 Cyanogen chloride (chloorcyan)...
2.8000% 🧮
2853.90 Other:...
Var% 🧮
2853.90.10.00 Of copper (phosphor copper), containing more than 15 percent...
2.6000% 🧮
2853.90.50.00 Of other metals or nonmetals...
0.0000% 🧮
2853.90.90 Other...
2.8000% 🧮
2853.90.90.10 Gallium arsenide wafers, undoped...
Var% 🧮
Var% 🧮

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