2800 | Inorganic chem, org/inorg compounds of precious metals, isotopes (1)
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| 2801 | Fluorine, chlorine, bromine & iodine (0)
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| 2802 | Sulfur, sublimed or precipitated; collodial sulfur (0)
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| 2803 | Carbon, nesoi (including carbon black) (0)
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| 2804 | Hydrogen, rare gases and other nonmetals (0)
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| 2805 | Alkali metals etc; rare-earth metals etc; mercury (1)
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| 2806 | Hydrogen chloride; chlorosulfuric acid (0)
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| 2807 | Sulfuric acid; oleum (0)
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| 2808 | Nitric acid, sulfonitric acids (0)
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| 2809 | Diphosphorus pentaoxide; phosphoric acid etc (0)
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| 2810 | Oxides of boron; boric acids (0)
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| 2811 | Inorganic acids & inorganic oxy nonmet comp nesoi (0)
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| 2812 | Halides & halide oxides of nonmetals (0)
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| 2813 | Sulfides of nonmetals; commercial phosp trisulfide (0)
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| 2814 | Ammonia, anhydrous or in aqueous solution (0)
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| 2815 | Sodium hydrox; potass hydrox sod or potass perox (2)
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| 2816 | Hydrox etc of magnesium; oxides etc strontium etc (0)
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| 2817 | Zinc oxide and zinc peroxide (0)
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| 2818 | Aluminum oxide (incl art corundum); alum hydroxide (0)
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| 2819 | Chromium oxides and hydroxides (0)
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| 2820 | Manganese oxides (0)
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| 2821 | Iron oxides & hydroxides; earth colors n/un 70% iron (0)
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| 2822 | Cobalt oxide & hydroxide; commercial cobalt oxides (0)
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| 2823 | Titanium oxides (0)
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| 2824 | Lead oxides; red lead and orange lead (0)
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| 2825 | Hydrazine etc, other inorg bases; metal oxides etc (0)
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| 2826 | Fluorides; fluorosilicates, fluoroaluminates etc (0)
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| 2827 | Chlorides etc; bromides etc; iodides etc. (1)
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| 2828 | Hypochlorites etc; chlorites; hypobromites (0)
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| 2829 | Chlorates etc; bromates etc; iodates etc. (0)
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| 2830 | Sulfides; polysulfides (0)
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| 2831 | Dithionites and sulfoxylates (0)
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| 2832 | Sulfites; thiosulfates (0)
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| 2833 | Sulfates; alums; peroxosulfates (per sulfates) (1)
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| 2834 | Nitrites; nitrates (0)
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| 2835 | Phosphinates, phosphonates, phosphates & polyphosp (1)
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| 2836 | Carbonates; peroxocarbonates; comm amm carbonate (3)
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| 2837 | Cyanides, cyanide oxides and complex cyanides (0)
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| 2838 | Fulminates, cyanates and thiocyanates (0)
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| 2839 | Silicates; commercial alkali metal silicates (0)
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| 2840 | Borates; peroxoborates (0)
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| 2841 | Salts of oxometallic or peroxometallic acids (0)
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| 2842 | Salts of inorganic acids or peroxoacids nesoi (0)
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| 2843 | Colloidal prec metal; prec metal comp & amalgams (0)
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| 2844 | Radioactive chemical elements & isotopes etc. (0)
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| 2845 | Stable isotopes and compounds thereof (0)
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| 2846 | Rare-earth metal compounds of yttrium or scandium (0)
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| 2847 | Hydrogen peroxide, whether/not solidified w/ urea (0)
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| 2848 | Phosphides, excluding ferrophosphorus (0)
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| 2849 | Carbides (0)
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| 2850 | Hydrides, nitrides, azides, silicides & borides (0)
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| 2851 | Inorganic compounds nesoi: liq air: amalgams nesoi (0)
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