Chapter 28
Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Section VI: Products of the chemical or allied industries · 180 six-digit HS codes
All HS codes in Chapter 28
280110Chlorine280120Iodine280130Fluorine; bromine:280200Sulfur, sublimed or precipitated; colloidal sulfur280300Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)280410Hydrogen280421Argon280429Other280430Nitrogen280440Oxygen280450Boron; tellurium280461Containing by weight not less than 99.99 percent of silicon280469Other:280470Phosphorus280480Arsenic280490Selenium280511Sodium280512Calcium280519Other:280530Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed280540Mercury280610Hydrogen chloride (Hydrochloric acid)280620Chlorosulfuric acid280700Sulfuric acid; oleum280800Nitric acid; sulfonitric acids280910Diphosphorus pentaoxide280920Phosphoric acid and polyphosphoric acids281000Oxides of boron; boric acids281111Hydrogen fluoride (Hydrofluoric acid)281112Hydrogen cyanide (hydrocyanic acid)281119Other:281121Carbon dioxide281122Silicon dioxide:281129Other:281211Carbonyl dichloride (phosgene)281212Phosphorous oxychloride281213Phosphorous trichloride281214Phosphorous pentachloride281215Sulfur monochloride281216Sulfur dichloride281217Thionyl chloride281219Other281290Other281310Carbon disulfide281390Other:281410Anhydrous ammonia281420Ammonia in aqueous solution281511Solid281512In aqueous solution (Soda lye or liquid soda)281520Potassium hydroxide (Caustic potash)281530Peroxides of sodium or potassium281610Hydroxide and peroxide of magnesium281640Oxides, hydroxides and peroxides, of strontium or barium:281700Zinc oxide; zinc peroxide281810Artificial corundum, whether or not chemically defined:281820Aluminum oxide, other than artificial corundum281830Aluminum hydroxide281910Chromium trioxide281990Other282010Manganese dioxide282090Other282110Iron oxides and hydroxides282120Earth colors282200Cobalt oxides and hydroxides; commercial cobalt oxides282300Titanium oxides282410Lead monoxide (litharge, massicot)282490Other:282510Hydrazine and hydroxylamine and their inorganic salts282520Lithium oxide and hydroxide282530Vanadium oxides and hydroxides282540Nickel oxides and hydroxides282550Copper oxides and hydroxides:282560Germanium oxides and zirconium dioxide282570Molybdenum oxides and hydroxides282580Antimony oxides282590Other:282612Of aluminum282619Other:282630Sodium hexafluoroaluminate (Synthetic cryolite)282690Other:282710Ammonium chloride282720Calcium chloride282731Of magnesium282732Of aluminum282735Of nickel282739Other:282741Of copper282749Other:282751Bromides of sodium or of potassium282759Other:282760Iodides and iodide oxides:282810Commercial calcium hypochlorite and other calcium hypochlorites282890Other282911Of sodium282919Other282990Other:283010Sodium sulfides283090Other:283110Of sodium:283190Other283210Sodium sulfites283220Other sulfites283230Thiosulfates:283311Disodium sulfate:283319Other283321Of magnesium283322Of aluminum283324Of nickel283325Of copper283327Of barium283329Other:283330Alums283340Peroxosulfates (persulfates):283410Nitrites:283421Of potassium283429Other:283510Phosphinates (hypophosphites) and phosphonates (phosphites)283522Of mono- or disodium283524Of potassium283525Calcium hydrogenorthophosphate ("Dicalcium phosphate")283526Other phosphates of calcium283529Other:283531Sodium triphosphate (Sodium tripolyphosphate)283539Other:283620Disodium carbonate283630Sodium hydrogencarbonate (Sodium bicarbonate)283640Potassium carbonates:283650Calcium carbonate283660Barium carbonate283691Lithium carbonates283692Strontium carbonate283699Other:283711Of sodium283719Other283720Complex cyanides:283911Sodium metasilicates283919Other283990Other:284011Anhydrous284019Other284020Other borates284030Peroxoborates (perborates)284130Sodium dichromate284150Other chromates and dichromates; peroxochromates:284161Potassium permanganate284169Other284170Molybdates:284180Tungstates (wolframates)284190Other:284210Double or complex silicates, including aluminosilicates whether or not chemically defined284290Other:284310Colloidal precious metals284321Silver nitrate284329Other284330Gold compounds284390Other compounds; amalgams284410Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds:284420Uranium 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 products284430Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products:284441Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds284442Actinium-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 compounds284443Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds284444Radioactive residues284450Spent (irradiated) fuel elements (cartridges) of nuclear reactors284510Heavy water (Deuterium oxide)284520Boron enriched in boron-10 and its compounds284530Lithium enriched in lithium-6 and its compounds284540Helium-3284590Other284610Cerium compounds284690Other:284700Hydrogen peroxide, whether or not solidified with urea284910Of calcium284920Of silicon:284990Other:285000Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849:285210Chemically defined:285290Other:285310Cyanogen chloride (chloorcyan)285390Other: