| 2801 |
Fluorine, chlorine, bromine & iodine |
| 280110 |
Chlorine |
| 280120 |
Iodine |
| 280130 |
Fluorine; bromine |
| 2802 |
Sulfur, sublimed or precipitated;
colloidal sulfur |
| 280200 |
Sulfur, sublimed or precipitated; collodial
sulfur |
| 2803 |
Carbon, including carbon black &
other carbons nesoi (not elsewhere specified or included) |
| 280300 |
Carbon, nesoi (including carbon black) |
| 2804 |
Hydrogen, rare gases and other
nonmetals argon, helium, nitrogen, oxygen, boron,
silicon, phosphorous,
arsenic, selenium |
| 280410 |
Hydrogen |
| 280421 |
Argon |
| 280429 |
Rare gases, other than argon |
| 280430 |
Nitrogen |
| 280440 |
Oxygen |
| 280450 |
Boron and tellurium |
| 280461 |
Silicon contain by wt nt < 99.99% of silicon |
| 280469 |
Silicon, under 99.99% (by weight) silicon |
| 280470 |
Phosphorus |
| 280480 |
Arsenic |
| 280490 |
Selenium |
| 2805 |
Alkali or alkaline-earth metals;
rare-earth metals (including intermixed or interalloyed);
mercury
scandium, yttrium, sodium, calcium, strontium, barium |
| 280511 |
Sodium |
| 280519 |
Alkali metals except sodium |
| 280521 |
Calcium |
| 280522 |
Strontium and barium |
| 280530 |
Rare-earth metal, scandium & yttrium |
| 280540 |
Mercury |
| 2806 |
Hydrogen chloride; chlorosulfuric
acid hydrochloric acid |
| 280610 |
Hydrogen chloride (hydrochloric acid) |
| 280620 |
Chlorosulfuric acid |
| 2807 |
Sulfuric acid and oleum |
| 280700 |
Sulfuric acid; oleum |
| 2808 |
Nitric acid and sulfonitric acids |
| 280800 |
Nitric acid, sulfonitric acids |
| 2809 |
Diphosphorus pentaoxide; phosphoric
acid & polyphosphoric acids |
| 280910 |
Diphosphorus pentaoxide |
| 280920 |
Phosphoric acid and polyphosphoric acids |
| 2810 |
Oxides of boron; boric acids |
| 281000 |
Oxides of boron and boric acid |
| 2811 |
Other inorganic acids & inorganic
oxygen compounds of
nonmetals arsenic acid, sulfamic acid, carbon
dioxide,
silicon dioxide, arsenic trioxide |
| 281111 |
Hydrogen fluoride (hydrofluoric acid) |
| 281119 |
Inorganic acids, nesoi |
| 281121 |
Carbon dioxide |
| 281122 |
Silicon dioxide |
| 281123 |
Sulfur dioxide |
| 281129 |
Inorganic oxygen compounds of nonmetals,
nesoi |
| 2812 |
Halides & halide oxides of nonmetals |
| 281210 |
Chlorides and chloride oxides |
| 281290 |
Halides & halide oxides of nonmetals, nesoi |
| 2813 |
Sulfides of nonmetals; commercial
phosphorous trisulfide |
| 281310 |
Carbon disulfide |
| 281390 |
Sulfides of nonmetals nesoi; comm phosp
trisulfide |
| 2814 |
Ammonia, anhydrous or in aqueous
solution |
| 281410 |
Anhydrous ammonia |
| 281420 |
Ammonia in aqueous solution |
| 2815 |
Sodium hydroxide; potassium
hydroxide; peroxides of
sodium or potassium caustic soda, caustic potash |
| 281511 |
Solid sodium hydroxide (caustic soda) |
| 281512 |
Sodium hydroxide in aqueous solution |
| 281520 |
Potassium hydroxide (caustic potash) |
| 281530 |
Peroxides of sodium or potassium |
| 2816 |
Hydroxide & peroxide of..magnesium,
strontium, barium;
oxides of..strontium, barium |
| 281610 |
Magnesium hydroxide and magnesium peroxide |
| 281620 |
Strontium oxide, hydroxide and peroxides |
| 281630 |
Barium oxides, hydroxides and peroxides |
| 2817 |
Zinc oxide and zinc peroxide |
| 281700 |
Zinc oxide and zinc peroxide |
| 2818 |
Aluminum oxide(including artificial
corundum);
aluminum hydroxide |
| 281810 |
Artificial corundum |
| 281820 |
Aluminum oxide, except artificial corundum,
nesoi |
| 281830 |
Aluminum hydroxide |
| 2819 |
Chromium oxides and hydroxides |
| 281910 |
Chromium trioxide |
| 281990 |
Chromium oxide & hydride, exc chrom
trioxide, nesoi |
| 2820 |
Manganese oxides |
| 282010 |
Manganese dioxide |
| 282090 |
Manganese oxides, except manganese dioxide,
nesoi |
| 2821 |
Iron oxides & hydroxides; earth
colors with 70% or more
by weight of combined iron, fe203 synthetic
pigments |
| 282110 |
Iron oxides and hydroxides |
| 282120 |
Earth color cont>= 70% by wt combine iron as
fe2o3 |
| 2822 |
Cobalt oxide & hydroxide; commercial
cobalt oxides |
| 282200 |
Cobalt oxide & hydroxide; commercial cobalt
oxides |
| 2823 |
Titanium oxides |
| 282300 |
Titanium oxides |
| 2824 |
Lead oxides; red lead and orange
lead |
| 282410 |
Lead monoxide (litharge, massicot) |
| 282420 |
Red lead and orange lead |
| 282490 |
Lead oxides, nesoi |
| 2825 |
Hydrazine & hydroxylamine & their
inorganic salts;
other inorganic bases, metal oxides, hydroxides &
peroxides |
| 282510 |
Hydrazine & hydroxylamine & their inorganic
salts |
| 282520 |
Lithium oxide and hydroxide |
| 282530 |
Vanadium oxides and hydroxides |
| 282540 |
Nickel oxides and hydroxides |
| 282550 |
Copper oxides and hydroxides |
| 282560 |
Germanium oxides and zirconium dioxide |
| 282570 |
Molybdenum oxides and hydroxides |
| 282580 |
Antimony oxides |
| 282590 |
Inorganic base; metal oxides, & peroxides,
nesoi |
| 2826 |
Fluorides; fluorosilicates,
fluoroaluminates etc |
| 282611 |
Flourides of ammonium or of sodium |
| 282612 |
Fluorides of aluminum |
| 282619 |
Fluorides, nesoi |
| 282620 |
Fluorosilicates of sodium or of potassium |
| 282630 |
Sodium hexafluoroaluminate (synthetic
cryolite) |
| 282690 |
Fluoroaluminate & other fluorine salts,
nesoi, etc |
| 2827 |
Chlorides, chloride oxides &
hydroxides, bromides &
bromide oxides, iodides & iodide oxides |
| 282710 |
Ammonium chloride |
| 282720 |
Calcium chloride |
| 282731 |
Magnesium chloride |
| 282732 |
Aluminum chloride |
| 282733 |
Iron chloride |
| 282734 |
Cobalt chloride |
| 282735 |
Nickel chloride |
| 282736 |
Zinc chloride |
| 282737 |
Tin chloride |
| 282738 |
Barium chloride |
| 282739 |
Chlorides, nesoi |
| 282741 |
Caloride oxides and caloride hydroxides of
copper |
| 282749 |
Chloride oxides and chloride hydroxides,
nesoi |
| 282751 |
Bromides of sodium or of potassium |
| 282759 |
Bromides and bromide oxides, nesoi |
| 282760 |
Iodides and iodide oxides |
| 2828 |
Hypochlorites; commercial calcium
hypochlorite; chlorites;
hypobromites |
| 282810 |
Commercial calcium hypochlorite |
| 282890 |
Hypochlorites, chlorites, and hypobromites,
nesoi |
| 2829 |
Chlorates etc; bromates etc; iodates
etc. |
| 282911 |
Sodium chlorate |
| 282919 |
Chlorates, except sodium chlorate, nesoi |
| 282990 |
Perchlorates; bromates & perbrom; iodates &
period |
| 2830 |
Sulfides; polysulfides |
| 283010 |
Sodium sulfides |
| 283020 |
Zinc sulfide |
| 283030 |
Cadmium sulfide |
| 283090 |
Sulfides and polysulfides, nesoi |
| 2831 |
Dithionites and sulfoxylates |
| 283110 |
Dithionites and sulfoxylates of sodium |
| 283190 |
Dithionites & sulfoxylate, exc of sodium,
nesoi |
| 2832 |
Sulfites; thiosulfates |
| 283210 |
Sodium sulfites |
| 283220 |
Other sulfites, except sodium sulfites,
nesoi |
| 283230 |
Thiosulfates |
| 2833 |
Sulfates; alums; peroxosulfates
persulfates |
| 283311 |
Disodium sulfate |
| 283319 |
Sodium sulfates, except disodium sulfates,
nesoi |
| 283321 |
Magnesium sulfate |
| 283322 |
Aluminum sulfate |
| 283323 |
Chromium sulfate |
| 283324 |
Nickel sulfate |
| 283325 |
Copper sulfate |
| 283326 |
Zinc sulfate |
| 283327 |
Barium sulfate |
| 283329 |
Other sulfates, nesoi |
| 283330 |
Alums |
| 283340 |
Peroxosulfates (persulfates) |
| 2834 |
Nitrites; nitrates |
| 283410 |
Nitrites |
| 283421 |
Potassium nitrate |
| 283422 |
Bismuth nitrates |
| 283429 |
Nitrates, nesoi |
| 2835 |
Phosphinates, phosphonates,
phosphates & polyphosphates
hypophosphites, phosphites |
| 283510 |
Phosphinates (hypophosphites) & phosphonates |
| 283521 |
Triammonium phosphates |
| 283522 |
Mono- or disodium phosphates |
| 283523 |
Trisodium phosphate |
| 283524 |
Potassium phosphate |
| 283525 |
Calcium hydrogenorthophosphate (dicalc
phosphate) |
| 283526 |
Phosphates of calcium, nesoi |
| 283529 |
Phosphates, nesoi |
| 283531 |
Sodium triphosphate (sodium
tripolyphosphate) |
| 283539 |
Polyphosphates, nesoi |
| 2836 |
Carbonates; peroxocarbonates;
commercial ammonium
carbonate containing ammonium carbamate |
| 283610 |
Commercial ammonium carbonates |
| 283620 |
Disodium carbonate |
| 283630 |
Sodium hydrogencarbonate (sodium
bicarbonate) |
| 283640 |
Potassium carbonates |
| 283650 |
Calcium carbonate |
| 283660 |
Barium carbonate |
| 283670 |
Lead carbonate |
| 283691 |
Lithium carbonates |
| 283692 |
Strontium carbonate |
| 283693 |
Bismuth carbonate |
| 283699 |
Peroxocarbonates (percarbonates), nesoi |
| 2837 |
Cyanides, cyanide oxides and complex
cyanides |
| 283711 |
Cyanides and cyanide oxides of sodium |
| 283719 |
Cyanides and cyanide oxides, nesoi |
| 283720 |
Complex cyanides |
| 2838 |
Fulminates, cyanates and
thiocyanates |
| 283800 |
Fulminates, cyanates and thiocyanates |
| 2839 |
Silicates; commercial alkali metal
silicates |
| 283911 |
Sodium metasilicates |
| 283919 |
Silicate of sodium, exc sodium metasilicate,
nesoi |
| 283920 |
Silicate; comm alkali metal silicate, of
potassium |
| 283990 |
Silicate; commercial alkali metal silicates,
nesoi |
| 2840 |
Borates; peroxoborates perborates |
| 284011 |
Anhydrous disodium tetraborate (refined
borax) |
| 284019 |
Disodium tetraborate, exc anhydrous, nesoi |
| 284020 |
Borates, nesoi |
| 284030 |
Peroxoborates (perborates) |
| 2841 |
Salts of oxometallic or
peroxometallic acids |
| 284110 |
Aluminates |
| 284120 |
Chromates of zinc or of lead |
| 284130 |
Sodium dichromate |
| 284140 |
Potassium dichromate |
| 284150 |
Other chromate & dichromate; peroxochromate,
nesoi |
| 284160 |
Manganites, manganates and permanganates |
| 284170 |
Molybdates (molybdenum content) |
| 284180 |
Tungstates (wolframates) |
| 284190 |
Salt of inorganic acid/peroxoacid, exc
azide, nesoi |
| 2842 |
Other salts of inorganic acids or
peroxoacids, excluding azides |
| 284210 |
Double or complex silicates |
| 284290 |
Salt of inorganic acid/peroxoacid, exc azide
nesoi |
| 2843 |
Colloidal precious metals; precious
metal compounds
& amalgams |
| 284310 |
Colloidal precious metals |
| 284321 |
Silver nitrate |
| 284329 |
Silver compounds, except silver nitrate,
nesoi |
| 284330 |
Gold compounds |
| 284390 |
Organic compound precious metal; amalgrams,
nesoi |
| 2844 |
Radioactive chemical elements &
isotopes and compounds,
mixtures & residues |
| 284410 |
Natural uranium & compounds, alloys &
ceramics etc |
| 284420 |
Uranium enriched in u235 etc. plutonium etc. |
| 284430 |
Uranium depleted in u235 etc; thorium etc. |
| 284440 |
Radioactive elements & isotopes etc nesoi;
residue |
| 284450 |
Spent fuel element (cartridge) of nuclear
reators |
| 2845 |
Stable isotopes and compounds
thereof |
| 284510 |
Heavy water (deuterium oxide) |
| 284590 |
Isotope exc hdg 2844; compound
inorgan/organ, nesoi |
| 2846 |
Rare-earth metal compounds of
yttrium or scandium |
| 284610 |
Cerium compounds |
| 284690 |
Compounds, inorgan/organ, rare-earth metals,
nesoi |
| 2847 |
Hydrogen peroxide, whether or not
solidified with urea |
| 284700 |
Hydrogen peroxide, whether/not solidified w/
urea |
| 2848 |
Phosphides, excluding
ferrophosphorus |
| 284810 |
Phosphides, copper, contain > 15% by wt
phosphorus |
| 284890 |
Phosphide, exc ferrophosphorus, of
metal/nonmetals |
| 2849 |
Carbides |
| 284910 |
Carbides, chemically defined or not, of
calcium |
| 284920 |
Carbides of silicon, chemically defined or
not |
| 284990 |
Carbides, nesoi, chemically defined or not |
| 2850 |
Hydrides, nitrides, azides,
silicides & borides |
| 285000 |
Hydrides & nitrides, chemically defined/nt,
nesoi |
| 2851 |
Other inorganic compounds; liquid &
compressed air; amalgams
not of precious metal |
| 285100 |
Other inorganic compounds; liq air;
amalgams, nesoi |
