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HTS code lookup / Chapter 28

INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES

274 classifiable HTS lines in Chapter 28.

Chlorine2801.10.00.00
Iodine2801.20.00.00
Fluorine2801.30.10.00
Bromine2801.30.20.00
Sulfur, sublimed or precipitated; colloidal sulfur2802.00.00.00
Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)2803.00.00
Hydrogen2804.10.00.00
Argon2804.21.00.00
Other2804.29.00
Nitrogen2804.30.00.00
Oxygen2804.40.00.00
Boron; tellurium2804.50.00
Containing by weight not less than 99.99 percent of silicon2804.61.00.00
Containing by weight less than 99.99 percent but not less than 99 percent of silicon2804.69.10.00
Other2804.69.50.00
Phosphorus2804.70.00.00
Arsenic2804.80.00.00
Selenium2804.90.00.00
Sodium <span class="article-footnote" title="See 9903.88.69. ">1/</span>2805.11.00.00
Calcium2805.12.00.00
Strontium2805.19.10.00
Barium2805.19.20.00
Other2805.19.90
Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed2805.30.00
Mercury2805.40.00.00
Hydrogen chloride (Hydrochloric acid)2806.10.00.00
Chlorosulfuric acid2806.20.00.00
Sulfuric acid; oleum2807.00.00.00
Nitric acid; sulfonitric acids2808.00.00
Diphosphorus pentaoxide2809.10.00.00
Phosphoric acid and polyphosphoric acids2809.20.00
Oxides of boron; boric acids2810.00.00.00
Hydrogen fluoride (Hydrofluoric acid)2811.11.00.00
Hydrogen cyanide (hydrocyanic acid)2811.12.00.00
Arsenic acid2811.19.10.00
Hydrobromic acid2811.19.30.00
Other2811.19.61
Carbon dioxide2811.21.00.00
Synthetic silica gel2811.22.10.00
Other2811.22.50.00
Arsenic trioxide2811.29.10.00
Selenium dioxide2811.29.20.00
Sulfur dioxide2811.29.30.00
Other2811.29.50.00
Carbonyl dichloride (phosgene)2812.11.00.00
Phosphorous oxychloride2812.12.00.00
Phosphorous trichloride2812.13.00.00
Phosphorous pentachloride2812.14.00.00
Sulfur monochloride2812.15.00.00
Sulfur dichloride2812.16.00.00
Thionyl chloride2812.17.00.00
Other2812.19.00
Other2812.90.00
Carbon disulfide2813.10.00.00
Of arsenic2813.90.10.00
Of phosphorus2813.90.20.00
Other2813.90.50.00
Anhydrous ammonia2814.10.00.00
Ammonia in aqueous solution2814.20.00.00
Solid2815.11.00.00
In aqueous solution (Soda lye or liquid soda)2815.12.00.00
Potassium hydroxide (Caustic potash)2815.20.00
Peroxides of sodium or potassium2815.30.00.00
Hydroxide and peroxide of magnesium2816.10.00.00
Of strontium2816.40.10.00
Of barium2816.40.20.00
Zinc oxide; zinc peroxide2817.00.00.00
Crude2818.10.10.00
In grains, or ground, pulverized or refined2818.10.20
Aluminum oxide, other than artificial corundum2818.20.00.00
Aluminum hydroxide2818.30.00.00
Chromium trioxide2819.10.00.00
Other2819.90.00.00
Manganese dioxide2820.10.00.00
Other2820.90.00.00
Iron oxides and hydroxides2821.10.00
Earth colors2821.20.00.00
Cobalt oxides and hydroxides; commercial cobalt oxides2822.00.00
Titanium oxides2823.00.00.00
Lead monoxide (litharge, massicot)2824.10.00.00
Lead suboxide (leady litharge)2824.90.10.00
Red lead and orange lead2824.90.20.00
Other2824.90.50.00
Hydrazine and hydroxylamine and their inorganic salts2825.10.00.00
Lithium oxide and hydroxide2825.20.00.00
Vanadium oxides and hydroxides2825.30.00
Nickel oxides and hydroxides2825.40.00.00
Cupric oxide2825.50.10.00
Cuprous oxide2825.50.20.00
Copper hydroxides2825.50.30.00
Germanium oxides and zirconium dioxide2825.60.00
Molybdenum oxides and hydroxides2825.70.00.00
Antimony oxides2825.80.00.00
Beryllium oxide and hydroxide2825.90.10.00
Niobium oxide2825.90.15.00
Tin oxides2825.90.20.00
Tungsten oxides2825.90.30.00
Cadmium oxide2825.90.75.00
Other2825.90.90.00
Of aluminum2826.12.00.00
Of ammonium2826.19.10.00
Of sodium2826.19.20.00
Other2826.19.90.00
Sodium hexafluoroaluminate (Synthetic cryolite)2826.30.00.00
Fluorosilicates of sodium or of potassium2826.90.10.00
Other2826.90.90
Ammonium chloride2827.10.00.00
Calcium chloride2827.20.00.00
Of magnesium2827.31.00.00
Of aluminum2827.32.00.00
Of nickel2827.35.00.00
Of vanadium2827.39.10.00
Of tin2827.39.25.00
Of titanium2827.39.30.00
Of tungsten2827.39.40.00
Of barium2827.39.45.00
Of iron2827.39.55.00
Of cobalt2827.39.60.00
Of zinc2827.39.65.00
Other2827.39.90
Of copper2827.41.00.00
Of vanadium2827.49.10.00
Other2827.49.50.00
Bromides of sodium or of potassium2827.51.00.00
Of ammonium, of calcium or of zinc2827.59.25.00
Other2827.59.51.00
Of calcium or of copper2827.60.10.00
Of potassium2827.60.20.00
Other2827.60.51.00
Commercial calcium hypochlorite and other calcium hypochlorites2828.10.00.00
Other2828.90.00.00
Of sodium2829.11.00.00
Other2829.19.01.00
Potassium bromate2829.90.05.00
Sodium bromate2829.90.25.00
Of potassium2829.90.40.00
Other2829.90.61.00
Sodium sulfides2830.10.00.00
Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight2830.90.10.00
Other zinc sulfide2830.90.15.00
Cadmium sulfide2830.90.20.00
Other2830.90.90.00
Sodium formaldehyde sulfoxylate2831.10.10.00
Other2831.10.50.00
Other2831.90.00.00
Sodium sulfites2832.10.00.00
Other sulfites2832.20.00.00
Sodium thiosulfate2832.30.10.00
Other2832.30.50.00
Salt cake2833.11.10.00
Other2833.11.50
Other2833.19.00.00
Of magnesium2833.21.00.00
Of aluminum2833.22.00.00
Of nickel2833.24.00.00
Of copper2833.25.00.00
Of barium2833.27.00.00
Of cobalt2833.29.10.00
Of iron2833.29.20.00
Of vanadium2833.29.30.00
Of chromium2833.29.40.00
Of zinc2833.29.45.00
Other2833.29.51
Alums2833.30.00.00
Of sodium2833.40.20.00
Other2833.40.60
Of sodium2834.10.10.00
Other2834.10.50.00
Of potassium2834.21.00.00
Of bismuth2834.29.05.00
Of calcium2834.29.10.00
Of strontium2834.29.20.00
Other2834.29.51.00
Phosphinates (hypophosphites) and phosphonates (phosphites)2835.10.00.00
Of mono- or disodium2835.22.00.00
Of potassium2835.24.00.00
Calcium hydrogenorthophosphate ("Dicalcium phosphate")2835.25.00.00
Other phosphates of calcium2835.26.00.00
Of aluminum2835.29.10.00
Of triammonium2835.29.20.00
Of trisodium2835.29.30.00
Other2835.29.51.00
Sodium triphosphate (Sodium tripolyphosphate)2835.31.00.00
Of potassium2835.39.10.00
Other2835.39.50.00
Disodium carbonate2836.20.00.00
Sodium hydrogencarbonate (Sodium bicarbonate)2836.30.00.00
Dipotassium carbonate2836.40.10.00
Potassium hydrogencarbonate (Potassium bicarbonate)2836.40.20.00
Calcium carbonate2836.50.00.00
Barium carbonate2836.60.00.00
Lithium carbonates2836.91.00
Strontium carbonate2836.92.00.00
Cobalt carbonates2836.99.10.00
Bismuth carbonate2836.99.20.00
Commercial ammonium carbonate and other ammonium carbonates2836.99.30.00
Lead carbonates2836.99.40.00
Other2836.99.50
Of sodium2837.11.00.00
Other2837.19.01
Potassium ferricyanide2837.20.10.00
Other2837.20.51.00
Sodium metasilicates2839.11.00.00
Other2839.19.00.00
Of potassium2839.90.10.00
Other2839.90.50.00
Anhydrous2840.11.00.00
Other2840.19.00.00
Other borates2840.20.00.00
Peroxoborates (perborates)2840.30.00
Sodium dichromate2841.30.00.00
Potassium dichromate2841.50.10.00
Other2841.50.91.00
Potassium permanganate2841.61.00.00
Other2841.69.00
Of ammonium2841.70.10.00
Other2841.70.50.00
Tungstates (wolframates)2841.80.00
Vanadates2841.90.10.00
Ammonium perrhenate2841.90.20.00
Potassium stannate2841.90.30.00
Aluminates2841.90.40.00
Chromates of zinc or of lead2841.90.45.00
Other2841.90.50.00
Double or complex silicates, including aluminosilicates whether or not chemically defined2842.10.00.00
Fulminates, cyanates and thiocyanates2842.90.10.00
Other2842.90.90
Colloidal precious metals2843.10.00.00
Silver nitrate2843.21.00.00
Other2843.29.01.00
Gold compounds2843.30.00.00
Other compounds; amalgams2843.90.00.00
Uranium metal2844.10.10.00
Uranium compounds2844.10.20
Other2844.10.50.00
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 products2844.20.00
Thorium compounds2844.30.10.00
Uranium compounds2844.30.20
Other2844.30.50
Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds2844.41.00.00
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 compounds2844.42.00.00
Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds2844.43.00
Radioactive residues2844.44.00.00
Spent (irradiated) fuel elements (cartridges) of nuclear reactors2844.50.00.00
Heavy water (Deuterium oxide)2845.10.00.00
Boron enriched in boron-10 and its compounds2845.20.00.00
Lithium enriched in lithium-6 and its compounds2845.30.00.00
Helium-32845.40.00.00
Other2845.90.01.00
Cerium compounds2846.10.00
Mixtures of rare-earth oxides or of rare-earth chlorides2846.90.20
Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent2846.90.40.00
Other2846.90.80
Hydrogen peroxide, whether or not solidified with urea2847.00.00.00
Of calcium2849.10.00.00
Crude2849.20.10.00
In grains, or ground, pulverized or refined2849.20.20.00
Of boron2849.90.10.00
Of chromium2849.90.20.00
Of tungsten2849.90.30.00
Other2849.90.50.00
Of calcium2850.00.05.00
Of titanium2850.00.07.00
Of tungsten2850.00.10.00
Of vanadium2850.00.20.00
Other2850.00.50.00
Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide2852.10.10.00
Other2852.10.90.00
Albuminates, tannates and phosphides of mercury2852.90.05.00
Other2852.90.90.00
Cyanogen chloride (chloorcyan)2853.10.00.00
Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous2853.90.10.00
Of other metals or nonmetals2853.90.50.00
Other2853.90.90