HS Code Chapter 28: Inorganic chemicals

2801.10.00 Chlorine 2801.20.00 Iodine 2801.30.10 Fluorine 2801.30.20 Bromine 2802.00.00 Sulfur, sublimed or precipitated; colloidal sulfur 2803.00.00 Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) 2804.10.00 Hydrogen 2804.21.00 Argon 2804.29.00 Rare gases, other than argon 2804.30.00 Nitrogen 2804.40.00 Oxygen 2804.50.00 Boron; tellurium 2804.61.00 Silicon containing by weight not less than 99.99 percent of silicon 2804.69.10 Silicon, containing by weight less than 99.99 percent but not less than 99 percent of silicon 2804.69.50 Silicon, containing by weight less than 99 percent of silicon 2804.70.00 Phosphorus 2804.80.00 Arsenic 2804.90.00 Selenium 2805.11.00 Sodium 2805.12.00 Calcium 2805.19.10 Strontium 2805.19.20 Barium 2805.19.90 Alkali metals, other than sodium 2805.30.00 Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed 2805.40.00 Mercury 2806.10.00 Hydrogen chloride (Hydrochloric acid) 2806.20.00 Chlorosulfuric acid 2807.00.00 Sulfuric acid; oleum 2808.00.00 Nitric acid; sulfonitric acids 2809.10.00 Diphosphorus pentoxide 2809.20.00 Phosphoric acid and polyphosphoric acids 2810.00.00 Oxides of boron; boric acids 2811.11.00 Hydrogen fluoride (Hydrofluoric acid) 2811.19.10 Arsenic acid 2811.19.30 Hydrobromic acid 2811.19.60 Other inorganic acids 2811.21.00 Carbon dioxide 2811.22.10 Synthetic silica gel 2811.22.50 Silicon dioxide, other than synthetic silica gel 2811.29.10 Arsenic trioxide 2811.29.20 Selenium dioxide 2811.29.30 Sulfur dioxide 2811.29.50 Other inorganic oxygen compounds of nonmetals, nesoi 2812.10.10 Phosphorus pentachloride 2812.10.50 Chlorides and chloride oxides other than phosphorus pentachloride 2812.90.00 Halides and halide oxides of nonmetals, excluding chlorides and chloride oxides 2813.10.00 Carbon disulfide 2813.90.10 Arsenic sulfides 2813.90.20 Phosphorus sulfides 2813.90.50 Sulfides of nonmetals, excluding carbon disulfide and sulfides of arsenic or phosphorus 2814.10.00 Anhydrous ammonia 2814.20.00 Ammonia in aqueous solution 2815.11.00 Sodium hydroxide (Caustic soda), solid 2815.12.00 Sodium hydroxide (Caustic soda), in aqueous solution (Soda lye or liquid soda) 2815.20.00 Potassium hydroxide (Caustic potash) 2815.30.00 Peroxides of sodium or potassium 2816.10.00 Hydroxide and peroxide of magnesium 2816.40.10 Oxides, hydroxides and peroxides of strontium 2816.40.20 Oxides, hydroxides and peroxides of barium 2817.00.00 Zinc oxide; zinc peroxide 2818.10.10 Artificial corundum, crude 2818.10.20 Artificial corundum, in grains, or ground, pulverized or refined 2818.20.00 Aluminum oxide, other than artificial corundum 2818.30.00 Aluminum hydroxide 2819.10.00 Chromium trioxide 2819.90.00 Chromium oxides and hydroxides, other than chromium trioxide 2820.10.00 Manganese dioxide 2820.90.00 Manganese oxides, other than manganese dioxide 2821.10.00 Iron oxides and hydroxides 2821.20.00 Earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3 2822.00.00 Cobalt oxides and hydroxides; commercial cobalt oxides 2823.00.00 Titanium oxides 2824.10.00 Lead monoxide (Litharge, massicot) 2824.90.10 Lead suboxide (Leady litharge) 2824.90.20 Red lead and orange lead 2824.90.50 Lead oxides, nesoi 2825.10.00 Hydrazine and hydroxylamine and their inorganic salts 2825.20.00 Lithium oxide and hydroxide 2825.30.00 Vanadium oxides and hydroxides 2825.40.00 Nickel oxides and hydroxides 2825.50.10 Cupric oxide 2825.50.20 Cuprous oxide 2825.50.30 Copper hydroxides 2825.60.00 Germanium oxides and zirconium dioxide 2825.70.00 Molybdenum oxides and hydroxides 2825.80.00 Antimony oxides 2825.90.10 Beryllium oxide and hydroxide 2825.90.15 Niobium oxide 2825.90.20 Tin oxides 2825.90.30 Tungsten oxides 2825.90.75 Cadmium oxide 2825.90.90 Other inorganic bases; other metal oxides, hydroxides and peroxides, nesoi 2826.12.00 Fluorides of aluminum 2826.19.10 Ammonium fluoride 2826.19.20 Sodium fluoride 2826.19.90 Fluorides, other than of ammonium, sodium or aluminum 2826.30.00 Sodium hexafluoroaluminate (Synthetic cryolite) 2826.90.10 Fluorosilicates of sodium or of potassium 2826.90.90 Other complex fluorine salts, nesoi 2827.10.00 Ammonium chloride 2827.20.00 Calcium chloride 2827.31.00 Magnesium chloride 2827.32.00 Aluminum chloride 2827.35.00 Nickel chloride 2827.39.10 Vanadium chlorides 2827.39.25 Tin chlorides 2827.39.30 Titanium chlorides 2827.39.40 Tungsten hexachloride 2827.39.45 Barium chloride 2827.39.55 Iron chlorides 2827.39.60 Cobalt chlorides 2827.39.65 Zinc chloride 2827.39.90 Chlorides, nesoi 2827.41.00 Chloride oxides and chloride hydroxides of copper 2827.49.10 Chloride oxides and chloride hydroxides of vanadium 2827.49.50 Chloride oxides and chloride hydroxides other than of copper or of vanadium 2827.51.00 Bromides of sodium or potassium 2827.59.25 Bromides or bromide oxides of ammonium, calcium, or zinc 2827.59.51 Other bromides and bromide oxides, other than ammonium, calcium or zinc 2827.60.10 Iodide and iodide oxide of calcium or copper 2827.60.20 Iodide and iodide oxide of potassium 2827.60.51 Iodides and iodide oxides, other than of calcium, copper or potassium 2828.10.00 Commercial calcium hypochlorite and other calcium hypochlorites 2828.90.00 Hypochlorites, except of calcium; hypobromites; chlorites 2829.11.00 Sodium chlorate 2829.19.01 Other chlorates and perchlorates, other than sodium 2829.90.05 Potassium bromate 2829.90.25 Sodium bromate 2829.90.40 Perchlorates, perbromates, iodates, periodates; of potassium 2829.90.61 Other perbromates, iodates and periodates other than potassium 2830.10.00 Sodium sulfides 2830.90.10 Zinc sulfide, luminescent grade, purity>= 99.99 % By wt. 2830.90.15 Zinc sulfide excluding luminescent grade 2830.90.20 Cadmium sulfide 2830.90.90 Polysulfides; sulfides, other than those of zinc and cadmium 2831.10.10 Sodium formaldehyde sulfoxylate 2831.10.50 Dithionites and sulfoxylates of sodium 2831.90.00 Dithionites and sulfoxylates, other than those of sodium 2832.10.00 Sodium sulfites 2832.20.00 Sulfites, except sodium sulfites 2832.30.10 Sodium thiosulfate 2832.30.50 Thiosulfates, except sodium thiosulfate 2833.11.10 Disodium sulfate, crude (Salt cake) 2833.11.50 Disodium sulfate, other than crude 2833.19.00 Sodium sulfates, other than disodium sulfate 2833.21.00 Magnesium sulfate 2833.22.00 Aluminum sulfate 2833.24.00 Nickel sulfate 2833.25.00 Copper sulfate 2833.27.00 Barium sulfate 2833.29.10 Cobalt sulfate 2833.29.20 Iron sulfate 2833.29.30 Vanadium sulfate 2833.29.40 Chromium sulfate 2833.29.45 Zinc sulfate 2833.29.51 Other sulfates nesoi 2833.30.00 Alums 2833.40.20 Sodium peroxosulfates (sodium persulfates) 2833.40.60 Peroxosulfates (persulfates), nesoi 2834.10.10 Sodium nitrite 2834.10.50 Nitrites, other than of sodium 2834.21.00 Potassium nitrate 2834.29.05 Bismuth nitrate 2834.29.10 Calcium nitrate 2834.29.20 Strontium nitrate 2834.29.51 Nitrates, nesoi 2835.10.00 Phosphinates (hypophosphites) and phosphonates (phosphites) 2835.22.00 Mono- or disodium phosphates 2835.24.00 Potassium phosphate 2835.25.00 Calcium hydrogenorthophosphate ("Dicalcium phosphate") 2835.26.00 Other phosphates of calcium, nesoi 2835.29.10 Aluminum phosphate 2835.29.20 Triammonium phosphate 2835.29.30 Trisodium phosphate 2835.29.51 Other phosphates nesoi 2835.31.00 Sodium triphosphate (Sodium tripolyphosphate) 2835.39.10 Potassium polyphosphate 2835.39.50 Polyphosphates, other than sodium triphosphate and potassium polyphosphate 2836.20.00 Disodium carbonate 2836.30.00 Sodium hydrogencarbonate (Sodium bicarbonate) 2836.40.10 Dipotassium carbonate 2836.40.20 Potassium hydrogencarbonate (Potassium bicarbonate) 2836.50.00 Calcium carbonate 2836.60.00 Barium carbonate 2836.91.00 Lithium carbonates 2836.92.00 Strontium carbonate 2836.99.10 Cobalt carbonates 2836.99.20 Bismuth carbonate 2836.99.30 Commercial ammonium carbonate, containing ammonium carbamate, and other ammonium carbonates 2836.99.40 Lead carbonate 2836.99.50 Carbonates nesoi, and peroxocarbonates (percarbonates) 2837.11.00 Sodium cyanide 2837.19.01 Cyanides and cyanide oxides, except those of sodium 2837.20.10 Potassium ferricyanide 2837.20.51 Complex cyanides, excluding potassium ferricyanide 2839.11.00 Sodium metasilicates 2839.19.00 Sodium silicates except sodium metasilicates 2839.90.10 Potassium silicate 2839.90.50 Other alkali metal silicates nesoi 2840.11.00 Anhydrous disodium tetraborate (refined borax)