美国 · 第 28· 373 条目
§28无机化学品
本章品目（4 位 WCO 统一）
50 个品目
2801氟、氯、溴、碘→2802硫磺；升华硫或沉淀硫；胶态硫→2803碳（炭黑及其他未列明碳）→2804氢、稀有气体及其他非金属→2805碱金属、碱土金属、稀土金属；汞→2806氯化氢(盐酸);氯磺酸→2807硫酸;发烟硫酸→2808硝酸;硝磺酸→2809五氧化二磷;磷酸;多磷酸→2810硼的氧化物;硼酸→2811其他无机酸及非金属无机氧化合物→2812非金属卤化物及卤氧化物→2813非金属硫化物;工业用三硫化磷→2814氨,无水或水溶液→2815氢氧化钠(烧碱);氢氧化钾(苛性钾);钠或钾的过氧化物→2816镁的氢氧化物及过氧化物;锶或钡的氧化物、氢氧化物及过氧化物→2817氧化锌;过氧化锌→2818人造刚玉；氧化铝；氢氧化铝→2819氧化铬及氢氧化铬→2820锰氧化物→2821氧化铁及氢氧化铁；含铁量≥70%的天然色料→2822氧化钴及氢氧化钴；工业氧化钴→2823钛氧化物→2824铅氧化物；红铅及橙铅→2825肼、羟胺及其无机盐；其他无机碱；其他金属氧化物、氢氧化物及过氧化物→2826氟化物；氟硅酸盐、氟铝酸盐及其他复合氟盐→2827氯化物、氯氧化物及氯氢氧化物；溴化物及溴氧化物；碘化物及碘氧化物→2828次氯酸盐；工业次氯酸钙；亚氯酸盐；次溴酸盐→2829氯酸盐及高氯酸盐；溴酸盐及高溴酸盐；碘酸盐及高碘酸盐→2830硫化物; 多硫化物→2831连二亚硫酸盐及次硫酸盐→2832亚硫酸盐; 硫代硫酸盐→2833硫酸盐; 矾; 过氧硫酸盐→2834亚硝酸盐; 硝酸盐→2835次磷酸盐、亚磷酸盐、磷酸盐及多磷酸盐→2836碳酸盐; 过氧碳酸盐; 碳酸铵（含氨基甲酸铵）→2837氰化物、氰氧化物及络合氰化物→2839硅酸盐; 商品碱金属硅酸盐→2840硼酸盐; 过氧硼酸盐→2841氧基金属酸盐或过氧基金属酸盐→2842其他无机酸盐或过氧酸盐（包括硅铝酸盐，叠氮化物除外）→2843胶态贵金属、贵金属化合物及汞齐→2844放射性化学元素、同位素及其化合物、混合物及残渣→28452844以外的同位素及其化合物→2846稀土金属、钇、钪或其混合物的化合物→2847稀土金属、钇、钪或其混合物的化合物→2849碳化物→2850氢化物、氮化物、叠氮化物、硅化物及硼化物→2852汞的无机或有机化合物，汞齐除外→2853磷化物；其他无机化合物；液态空气；压缩空气；汞齐→
美国 全部税号
| HS 编码 | 商品描述 | 首要税率 | |
|---|---|---|---|
| 2801.10.00.00 | Chlorine | Free | → |
| 2801.20.00.00 | Iodine | Free | → |
| 2801.30.10.00 | Fluorine | 3.7% | → |
| 2801.30.20.00 | Bromine | 5.5% | → |
| 2802.00.00.00 | Sulfur, sublimed or precipitated; colloidal sulfur | Free | → |
| 2803.00.00 | Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) | Free | → |
| 2803.00.00.10 | Carbon black | Free | → |
| 2803.00.00.50 | Other | Free | → |
| 2804.10.00.00 | Hydrogen | 3.7% | → |
| 2804.21.00.00 | Argon | 3.7% | → |
| 2804.29.00 | Other | 3.7% | → |
| 2804.29.00.10 | Helium | 3.7% | → |
| 2804.29.00.20 | Neon | 3.7% | → |
| 2804.29.00.30 | Isotopically pure rare gases having a purity of 99 percent or more by volume | 3.7% | → |
| 2804.29.00.55 | Other | 3.7% | → |
| 2804.30.00.00 | Nitrogen | 3.7% | → |
| 2804.40.00.00 | Oxygen | 3.7% | → |
| 2804.50.00 | Boron; tellurium | Free | → |
| 2804.50.00.10 | Boron | Free | → |
| 2804.50.00.20 | Tellurium | Free | → |
| 2804.61.00.00 | Containing by weight not less than 99.99 percent of silicon | Free | → |
| 2804.69.10.00 | Containing by weight less than 99.99 percent but not less than 99 percent of silicon | 5.3% | → |
| 2804.69.50.00 | Other | 5.5% | → |
| 2804.70.00.00 | Phosphorus | Free | → |
| 2804.80.00.00 | Arsenic | Free | → |
| 2804.90.00.00 | Selenium | Free | → |
| 2805.11.00.00 | Sodium | 5.3% | → |
| 2805.12.00.00 | Calcium | 3% | → |
| 2805.19.10.00 | Strontium | 3.7% | → |
| 2805.19.20.00 | Barium | Free | → |
| 2805.19.90 | Other | 5.5% | → |
| 2805.19.90.10 | Lithium | 5.5% | → |
| 2805.19.90.90 | Other | 5.5% | → |
| 2805.30.00 | Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed | 5% | → |
| 2805.30.00.05 | Lanthanum | 5% | → |
| 2805.30.00.10 | Cerium | 5% | → |
| 2805.30.00.15 | Praseodymium | 5% | → |
| 2805.30.00.20 | Neodymium | 5% | → |
| 2805.30.00.50 | Other | 5% | → |
| 2805.30.00.90 | Other | 5% | → |
| 2805.40.00.00 | Mercury | 1.7% | → |
| 2806.10.00.00 | Hydrogen chloride (Hydrochloric acid) | Free | → |
| 2806.20.00.00 | Chlorosulfuric acid | 4.2% | → |
| 2807.00.00.00 | Sulfuric acid; oleum | Free | → |
| 2808.00.00 | Nitric acid; sulfonitric acids | Free | → |
| 2808.00.00.10 | Nitric acid | Free | → |
| 2808.00.00.20 | Sulfonitric acids | Free | → |
| 2809.10.00.00 | Diphosphorus pentaoxide | Free | → |
| 2809.20.00 | Phosphoric acid and polyphosphoric acids | Free | → |
| 2809.20.00.10 | Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents | Free | → |
| 2809.20.00.20 | Other | Free | → |
| 2809.20.00.30 | Other | Free | → |
| 2809.20.00.40 | Polyphosphoric acids | Free | → |
| 2810.00.00.00 | Oxides of boron; boric acids | 1.5% | → |
| 2811.11.00.00 | Hydrogen fluoride (Hydrofluoric acid) | Free | → |
| 2811.12.00.00 | Hydrogen cyanide (hydrocyanic acid) | 4.2% | → |
| 2811.19.10.00 | Arsenic acid | 2.3% | → |
| 2811.19.30.00 | Hydrobromic acid | Free | → |
| 2811.19.61 | Other | 4.2% | → |
| 2811.19.61.10 | Sulfamic acid | 4.2% | → |
| 2811.19.61.90 | Other | 4.2% | → |
| 2811.21.00.00 | Carbon dioxide | 3.7% | → |
| 2811.22.10.00 | Synthetic silica gel | 3.7% | → |
| 2811.22.50.00 | Other | Free | → |
| 2811.29.10.00 | Arsenic trioxide | Free | → |
| 2811.29.20.00 | Selenium dioxide | Free | → |
| 2811.29.30.00 | Sulfur dioxide | 4.2% | → |
| 2811.29.50.00 | Other | 3.7% | → |
| 2812.11.00.00 | Carbonyl dichloride (phosgene) | 3.7% | → |
| 2812.12.00.00 | Phosphorous oxychloride | 3.7% | → |
| 2812.13.00.00 | Phosphorous trichloride | 3.7% | → |
| 2812.14.00.00 | Phosphorous pentachloride | Free | → |
| 2812.15.00.00 | Sulfur monochloride | 3.7% | → |
| 2812.16.00.00 | Sulfur dichloride | 3.7% | → |
| 2812.17.00.00 | Thionyl chloride | 3.7% | → |
| 2812.19.00 | Other | 3.7% | → |
| 2812.19.00.10 | Arsenic trichloride | 3.7% | → |
| 2812.19.00.90 | Other | 3.7% | → |
| 2812.90.00 | Other | 3.7% | → |
| 2812.90.00.10 | Sulfur hexafluoride | 3.7% | → |
| 2812.90.00.90 | Other | 3.7% | → |
| 2813.10.00.00 | Carbon disulfide | 3.7% | → |
| 2813.90.10.00 | Of arsenic | Free | → |
| 2813.90.20.00 | Of phosphorus | Free | → |
| 2813.90.50.00 | Other | 3.7% | → |
| 2814.10.00.00 | Anhydrous ammonia | Free | → |
| 2814.20.00.00 | Ammonia in aqueous solution | Free | → |
| 2815.11.00.00 | Solid | Free | → |
| 2815.12.00.00 | In aqueous solution (Soda lye or liquid soda) | Free | → |
| 2815.20.00 | Potassium hydroxide (Caustic potash) | Free | → |
| 2815.20.00.50 | In solid form | Free | → |
| 2815.20.00.90 | Other | Free | → |
| 2815.30.00.00 | Peroxides of sodium or potassium | 3.7% | → |
| 2816.10.00.00 | Hydroxide and peroxide of magnesium | 3.1% | → |
| 2816.40.10.00 | Of strontium | 4.2% | → |
| 2816.40.20.00 | Of barium | 2% | → |
| 2817.00.00.00 | Zinc oxide; zinc peroxide | Free | → |
| 2818.10.10.00 | Crude | Free | → |
| 2818.10.20 | In grains, or ground, pulverized or refined | 1.3% | → |
| 2818.10.20.10 | White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide | 1.3% | → |
| 2818.10.20.90 | Other | 1.3% | → |
| 2818.20.00.00 | Aluminum oxide, other than artificial corundum | Free | → |
| 2818.30.00.00 | Aluminum hydroxide | Free | → |
| 2819.10.00.00 | Chromium trioxide | 3.7% | → |
| 2819.90.00.00 | Other | 3.7% | → |
| 2820.10.00.00 | Manganese dioxide | 4.7% | → |
| 2820.90.00.00 | Other | 4.7% | → |
| 2821.10.00 | Iron oxides and hydroxides | 3.7% | → |
| 2821.10.00.10 | Black | 3.7% | → |
| 2821.10.00.20 | Red | 3.7% | → |
| 2821.10.00.30 | Yellow | 3.7% | → |
| 2821.10.00.40 | Other | 3.7% | → |
| 2821.10.00.50 | Other | 3.7% | → |
| 2821.20.00.00 | Earth colors | 5.5% | → |
| 2822.00.00 | Cobalt oxides and hydroxides; commercial cobalt oxides | 0.1% | → |
| 2822.00.00.10 | Cobalt(II, III) oxide (cobalt tetroxide) | 0.1% | → |
| 2822.00.00.90 | Other | 0.1% | → |
| 2823.00.00.00 | Titanium oxides | 5.5% | → |
| 2824.10.00.00 | Lead monoxide (litharge, massicot) | 3% | → |
| 2824.90.10.00 | Lead suboxide (leady litharge) | 5.5% | → |
| 2824.90.20.00 | Red lead and orange lead | 3.4% | → |
| 2824.90.50.00 | Other | 4.8% | → |
| 2825.10.00.00 | Hydrazine and hydroxylamine and their inorganic salts | 3.7% | → |
| 2825.20.00.00 | Lithium oxide and hydroxide | 3.7% | → |
| 2825.30.00 | Vanadium oxides and hydroxides | 5.5% | → |
| 2825.30.00.10 | Vanadium pentoxide (anhydride) | 5.5% | → |
| 2825.30.00.50 | Other | 5.5% | → |
| 2825.40.00.00 | Nickel oxides and hydroxides | Free | → |
| 2825.50.10.00 | Cupric oxide | 4.3% | → |
| 2825.50.20.00 | Cuprous oxide | 5% | → |
| 2825.50.30.00 | Copper hydroxides | 3.9% | → |
| 2825.60.00 | Germanium oxides and zirconium dioxide | 3.7% | → |
| 2825.60.00.10 | Germanium dioxide | 3.7% | → |
| 2825.60.00.20 | Zirconium dioxide | 3.7% | → |
| 2825.60.00.50 | Other | 3.7% | → |
| 2825.70.00.00 | Molybdenum oxides and hydroxides | 3.2% | → |
| 2825.80.00.00 | Antimony oxides | Free | → |
| 2825.90.10.00 | Beryllium oxide and hydroxide | 3.7% | → |
| 2825.90.15.00 | Niobium oxide | 3.7% | → |
| 2825.90.20.00 | Tin oxides | 4.2% | → |
| 2825.90.30.00 | Tungsten oxides | 5.5% | → |
| 2825.90.75.00 | Cadmium oxide | Free | → |
| 2825.90.90.00 | Other | 3.7% | → |
| 2826.12.00.00 | Of aluminum | Free | → |
| 2826.19.10.00 | Of ammonium | 3.1% | → |
| 2826.19.20.00 | Of sodium | 3.7% | → |
| 2826.19.90.00 | Other | 3.9% | → |
| 2826.30.00.00 | Sodium hexafluoroaluminate (Synthetic cryolite) | Free | → |
| 2826.90.10.00 | Fluorosilicates of sodium or of potassium | 4.1% | → |
| 2826.90.90 | Other | 3.1% | → |
| 2826.90.90.10 | Lithium hexafluorophosphate | 3.1% | → |
| 2826.90.90.90 | Other | 3.1% | → |
| 2827.10.00.00 | Ammonium chloride | 2.9% | → |
| 2827.20.00.00 | Calcium chloride | Free | → |
| 2827.31.00.00 | Of magnesium | 1.5% | → |
| 2827.32.00.00 | Of aluminum | Free | → |
| 2827.35.00.00 | Of nickel | 3.7% | → |
| 2827.39.10.00 | Of vanadium | 5.5% | → |
| 2827.39.25.00 | Of tin | 4.2% | → |
| 2827.39.30.00 | Of titanium | 4.9% | → |
| 2827.39.40.00 | Of tungsten | 5.5% | → |
| 2827.39.45.00 | Of barium | 4.2% | → |
| 2827.39.55.00 | Of iron | 3.7% | → |
| 2827.39.60.00 | Of cobalt | 4.2% | → |
| 2827.39.65.00 | Of zinc | 1.6% | → |
| 2827.39.90 | Other | 3.7% | → |
| 2827.39.90.10 | Of lithium | 3.7% | → |
| 2827.39.90.50 | Other | 3.7% | → |
| 2827.41.00.00 | Of copper | 3.9% | → |
| 2827.49.10.00 | Of vanadium | 5.5% | → |
| 2827.49.50.00 | Other | 5.5% | → |
| 2827.51.00.00 | Bromides of sodium or of potassium | Free | → |
| 2827.59.25.00 | Of ammonium, of calcium or of zinc | Free | → |
| 2827.59.51.00 | Other | 3.6% | → |
| 2827.60.10.00 | Of calcium or of copper | Free | → |
| 2827.60.20.00 | Of potassium | 2.8% | → |
| 2827.60.51.00 | Other | 4.2% | → |
| 2828.10.00.00 | Commercial calcium hypochlorite and other calcium hypochlorites | 2.4% | → |
| 2828.90.00.00 | Other | 3.7% | → |
| 2829.11.00.00 | Of sodium | Free | → |
| 2829.19.01.00 | Other | 3.3% | → |
| 2829.90.05.00 | Potassium bromate | Free | → |
| 2829.90.25.00 | Sodium bromate | Free | → |
| 2829.90.40.00 | Of potassium | 3.1% | → |
| 2829.90.61.00 | Other | 3.7% | → |
| 2830.10.00.00 | Sodium sulfides | 3.7% | → |
| 2830.90.10.00 | Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight | Free | → |
| 2830.90.15.00 | Other zinc sulfide | 2.8% | → |
| 2830.90.20.00 | Cadmium sulfide | 3.1% | → |
| 2830.90.90.00 | Other | 3% | → |
| 2831.10.10.00 | Sodium formaldehyde sulfoxylate | Free | → |
| 2831.10.50.00 | Other | 5.5% | → |
| 2831.90.00.00 | Other | 5.5% | → |
| 2832.10.00.00 | Sodium sulfites | 1.5% | → |
| 2832.20.00.00 | Other sulfites | 3.1% | → |
| 2832.30.10.00 | Sodium thiosulfate | 1.5% | → |
| 2832.30.50.00 | Other | 3.1% | → |
| 2833.11.10.00 | Salt cake | Free | → |
| 2833.11.50 | Other | 0.4% | → |
| 2833.11.50.10 | Anhydrous | 0.4% | → |
| 2833.11.50.50 | Other | 0.4% | → |
| 2833.19.00.00 | Other | Free | → |
| 2833.21.00.00 | Of magnesium | 3.7% | → |
| 2833.22.00.00 | Of aluminum | Free | → |
| 2833.24.00.00 | Of nickel | 3.2% | → |
| 2833.25.00.00 | Of copper | 1.4% | → |
| 2833.27.00.00 | Of barium | 0.6% | → |
| 2833.29.10.00 | Of cobalt | 1.4% | → |
| 2833.29.20.00 | Of iron | Free | → |
| 2833.29.30.00 | Of vanadium | 5.5% | → |
| 2833.29.40.00 | Of chromium | 3.7% | → |
| 2833.29.45.00 | Of zinc | 1.6% | → |
| 2833.29.51 | Other | 3.7% | → |
| 2833.29.51.10 | Of manganese | 3.7% | → |
| 2833.29.51.90 | Other | 3.7% | → |
| 2833.30.00.00 | Alums | 1.6% | → |
| 2833.40.20.00 | Of sodium | 3.7% | → |
| 2833.40.60 | Other | 3.1% | → |
| 2833.40.60.10 | Of potassium | 3.1% | → |
| 2833.40.60.20 | Of ammonium | 3.1% | → |
| 2833.40.60.50 | Other | 3.1% | → |
| 2834.10.10.00 | Of sodium | 5.5% | → |
| 2834.10.50.00 | Other | 3.1% | → |
| 2834.21.00.00 | Of potassium | Free | → |
| 2834.29.05.00 | Of bismuth | 5.5% | → |
| 2834.29.10.00 | Of calcium | Free | → |
| 2834.29.20.00 | Of strontium | 4.2% | → |
| 2834.29.51.00 | Other | 3.5% | → |
| 2835.10.00.00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | 3.1% | → |
| 2835.22.00.00 | Of mono- or disodium | 1.4% | → |
| 2835.24.00.00 | Of potassium | 3.1% | → |
| 2835.25.00.00 | Calcium hydrogenorthophosphate ("Dicalcium phosphate") | Free | → |
| 2835.26.00.00 | Other phosphates of calcium | Free | → |
| 2835.29.10.00 | Of aluminum | Free | → |
| 2835.29.20.00 | Of triammonium | 1.5% | → |
| 2835.29.30.00 | Of trisodium | 2.2% | → |
| 2835.29.51.00 | Other | 4.1% | → |
| 2835.31.00.00 | Sodium triphosphate (Sodium tripolyphosphate) | 1.4% | → |
| 2835.39.10.00 | Of potassium | 3.1% | → |
| 2835.39.50.00 | Other | 3.7% | → |
| 2836.20.00.00 | Disodium carbonate | 1.2% | → |
| 2836.30.00.00 | Sodium hydrogencarbonate (Sodium bicarbonate) | Free | → |
| 2836.40.10.00 | Dipotassium carbonate | 1.9% | → |
| 2836.40.20.00 | Potassium hydrogencarbonate (Potassium bicarbonate) | 1.3% | → |
| 2836.50.00.00 | Calcium carbonate | Free | → |
| 2836.60.00.00 | Barium carbonate | 2.3% | → |
| 2836.91.00 | Lithium carbonates | 3.7% | → |
| 2836.91.00.10 | U.S.P. grade | 3.7% | → |
| 2836.91.00.50 | Other | 3.7% | → |
| 2836.92.00.00 | Strontium carbonate | 4.2% | → |
| 2836.99.10.00 | Cobalt carbonates | 4.2% | → |
| 2836.99.20.00 | Bismuth carbonate | 5.5% | → |
| 2836.99.30.00 | Commercial ammonium carbonate and other ammonium carbonates | 1.7% | → |
| 2836.99.40.00 | Lead carbonates | 0.5% | → |
| 2836.99.50 | Other | 3.7% | → |
| 2836.99.50.10 | Zirconium carbonates | 3.7% | → |
| 2836.99.50.50 | Other | 3.7% | → |
| 2837.11.00.00 | Of sodium | Free | → |
| 2837.19.01 | Other | Free | → |
| 2837.19.01.10 | Potassium cyanide | Free | → |
| 2837.19.01.15 | Calcium cyanide | Free | → |
| 2837.19.01.25 | Other | Free | → |
| 2837.20.10.00 | Potassium ferricyanide | 1.1% | → |
| 2837.20.51.00 | Other | 1.7% | → |
| 2839.11.00.00 | Sodium metasilicates | 1.1% | → |
| 2839.19.00.00 | Other | 1.1% | → |
| 2839.90.10.00 | Of potassium | 3.1% | → |
| 2839.90.50.00 | Other | 3.1% | → |
| 2840.11.00.00 | Anhydrous | 0.3% | → |
| 2840.19.00.00 | Other | 0.1% | → |
| 2840.20.00.00 | Other borates | 3.7% | → |
| 2840.30.00 | Peroxoborates (perborates) | 3.7% | → |
| 2840.30.00.10 | Sodium perborate | 3.7% | → |
| 2840.30.00.50 | Other | 3.7% | → |
| 2841.30.00.00 | Sodium dichromate | 2.4% | → |
| 2841.50.10.00 | Potassium dichromate | 1.5% | → |
| 2841.50.91.00 | Other | 3.1% | → |
| 2841.61.00.00 | Potassium permanganate | 5% | → |
| 2841.69.00 | Other | 5% | → |
| 2841.69.00.10 | Sodium permanganate | 5% | → |
| 2841.69.00.90 | Other | 5% | → |
| 2841.70.10.00 | Of ammonium | 4.3% | → |
| 2841.70.50.00 | Other | 3.7% | → |
| 2841.80.00 | Tungstates (wolframates) | 5.5% | → |
| 2841.80.00.10 | Of ammonium | 5.5% | → |
| 2841.80.00.20 | Of calcium | 5.5% | → |
| 2841.80.00.50 | Other | 5.5% | → |
| 2841.90.10.00 | Vanadates | 5.5% | → |
| 2841.90.20.00 | Ammonium perrhenate | 3.1% | → |
| 2841.90.30.00 | Potassium stannate | 3.1% | → |
| 2841.90.40.00 | Aluminates | 3.1% | → |
| 2841.90.45.00 | Chromates of zinc or of lead | 3.7% | → |
| 2841.90.50.00 | Other | 3.7% | → |
| 2842.10.00.00 | Double or complex silicates, including aluminosilicates whether or not chemically defined | 3.7% | → |
| 2842.90.10.00 | Fulminates, cyanates and thiocyanates | 3.1% | → |
| 2842.90.90 | Other | 3.3% | → |
| 2842.90.90.10 | Selenides and tellurides | 3.3% | → |
| 2842.90.90.50 | Other | 3.3% | → |
| 2843.10.00.00 | Colloidal precious metals | 5.5% | → |
| 2843.21.00.00 | Silver nitrate | 3.7% | → |
| 2843.29.01.00 | Other | 3.7% | → |
| 2843.30.00.00 | Gold compounds | 5% | → |
| 2843.90.00.00 | Other compounds; amalgams | 3.7% | → |
| 2844.10.10.00 | Uranium metal | 5% | → |
| 2844.10.20 | Uranium compounds | Free | → |
| 2844.10.20.10 | Oxide | Free | → |
| 2844.10.20.25 | Hexafluoride | Free | → |
| 2844.10.20.55 | Other | Free | → |
| 2844.10.50.00 | Other | 5% | → |
| 2844.20.00 | 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 products | Free | → |
| 2844.20.00.10 | Oxide | Free | → |
| 2844.20.00.20 | Fluorides | Free | → |
| 2844.20.00.30 | Other | Free | → |
| 2844.20.00.50 | Other | Free | → |
| 2844.30.10.00 | Thorium compounds | 5.5% | → |
| 2844.30.20 | Uranium compounds | Free | → |
| 2844.30.20.10 | Oxide | Free | → |
| 2844.30.20.20 | Fluorides | Free | → |
| 2844.30.20.50 | Other | Free | → |
| 2844.30.50 | Other | 5% | → |
| 2844.30.50.10 | Uranium metal | 5% | → |
| 2844.30.50.50 | Other | 5% | → |
| 2844.41.00.00 | Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds | Free | → |
| 2844.42.00.00 | 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 compounds | Free | → |
| 2844.43.00 | Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds | Free | → |
| 2844.43.00.10 | Elements, isotopes and compounds with cobalt-60 radioactivity only | Free | → |
| 2844.43.00.21 | Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169 | Free | → |
| 2844.43.00.28 | Other | Free | → |
| 2844.43.00.50 | Other | Free | → |
| 2844.44.00.00 | Radioactive residues | Free | → |
| 2844.50.00.00 | Spent (irradiated) fuel elements (cartridges) of nuclear reactors | Free | → |
| 2845.10.00.00 | Heavy water (Deuterium oxide) | Free | → |
| 2845.20.00.00 | Boron enriched in boron-10 and its compounds | Free | → |
| 2845.30.00.00 | Lithium enriched in lithium-6 and its compounds | Free | → |
| 2845.40.00.00 | Helium-3 | Free | → |
| 2845.90.01.00 | Other | Free | → |
| 2846.10.00 | Cerium compounds | 5.5% | → |
| 2846.10.00.10 | Cerium oxides | 5.5% | → |
| 2846.10.00.50 | Other | 5.5% | → |
| 2846.90.20 | Mixtures of rare-earth oxides or of rare-earth chlorides | Free | → |
| 2846.90.20.05 | Containing lanthanum as the predominant metal | Free | → |
| 2846.90.20.15 | Containing yttrium or scandium as the predominant metal | Free | → |
| 2846.90.20.40 | Other | Free | → |
| 2846.90.20.82 | Containing yttrium or scandium as the predominant metal | Free | → |
| 2846.90.20.84 | Other | Free | → |
| 2846.90.40.00 | Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent | Free | → |
| 2846.90.80 | Other | 3.7% | → |
| 2846.90.80.70 | Containing lanthanum as the predominant metal | 3.7% | → |
| 2846.90.80.75 | Other | 3.7% | → |
| 2846.90.80.90 | Other | 3.7% | → |
| 2847.00.00.00 | Hydrogen peroxide, whether or not solidified with urea | 3.7% | → |
| 2849.10.00.00 | Of calcium | 1.8% | → |
| 2849.20.10.00 | Crude | Free | → |
| 2849.20.20.00 | In grains, or ground, pulverized or refined | 0.5% | → |
| 2849.90.10.00 | Of boron | 3.7% | → |
| 2849.90.20.00 | Of chromium | 4.2% | → |
| 2849.90.30.00 | Of tungsten | 5.5% | → |
| 2849.90.50.00 | Other | 3.7% | → |
| 2850.00.05.00 | Of calcium | Free | → |
| 2850.00.07.00 | Of titanium | 4.9% | → |
| 2850.00.10.00 | Of tungsten | 5.5% | → |
| 2850.00.20.00 | Of vanadium | 5.5% | → |
| 2850.00.50.00 | Other | 3.7% | → |
| 2852.10.10.00 | Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide | Free | → |
| 2852.10.90.00 | Other | 3% | → |
| 2852.90.05.00 | Albuminates, tannates and phosphides of mercury | Free | → |
| 2852.90.90.00 | Other | 3% | → |
| 2853.10.00.00 | Cyanogen chloride (chloorcyan) | 2.8% | → |
| 2853.90.10.00 | Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous | 2.6% | → |
| 2853.90.50.00 | Of other metals or nonmetals | Free | → |
| 2853.90.90 | Other | 2.8% | → |
| 2853.90.90.10 | Gallium arsenide wafers, undoped | 2.8% | → |
| 2853.90.90.90 | Other | 2.8% | → |