Chapter 28
Chapter 28 HS and HTS Codes
Browse common headings in Chapter 28, then open the lookup with a heading or code to compare candidate tariff lines.
| Heading | Description | Lookup |
|---|---|---|
| 2801 | Fluorine, chlorine, bromine and iodine | Search |
| 2804 | Hydrogen, rare gases and other nonmetals | Search |
| 2805 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury | Search |
| 2806 | Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid | Search |
| 2809 | Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined | Search |
| 2811 | Other inorganic acids and other inorganic oxygen compounds of nonmetals | Search |
| 2812 | Halides and halide oxides of nonmetals | Search |
| 2813 | Sulfides of nonmetals; commercial phosphorus trisulfide | Search |
| 2814 | Ammonia, anhydrous or in aqueous solution | Search |
| 2815 | Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium | Search |
| 2816 | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium | Search |
| 2818 | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide | Search |
| 2819 | Chromium oxides and hydroxides | Search |
| 2820 | Manganese oxides | Search |
| 2821 | Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3 | Search |
| 2824 | Lead oxides; red lead and orange lead | Search |
| 2825 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides | Search |
| 2826 | Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts | Search |
| 2827 | Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides | Search |
| 2828 | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites | Search |
| 2829 | Chlorates and perchlorates; bromates and perbromates; iodates and periodates | Search |
| 2830 | Sulfides; polysulfides, whether or not chemically defined | Search |
| 2831 | Dithionites and sulfoxylates | Search |
| 2832 | Sulfites; thiosulfates | Search |