28190 - Industrial inorganic chemicals (Miscellaneous)
28193 - Sulfuric acid
2819311 - - Contact acid: Oleum <40%
2819315 - - Contact acid: Oleum 40%
2819317 - - Contact acid: Oleum >40%
2819331 - - Contact acid: other than Oleum grades
2819399 - - Sulfuric acid, Gross (New & Fortified - 100% basis)
28194 - Inorganic acids, except nitric, Sulfuric & Phosphoric
2819411 - - Inorganic acids, Boric (Boracic - 100% H 3BO 3)
2819421 - - Chlorosulfonic acid (100% basis)
2819441 - - Hydrochloric acid + Anhydrous (100% HCL): from salt & Acid
2819445 - - Hydrochloric acid + Anhydrous (100% HCL): from chlorine & Hydrogen
2819447 - - Hydrochloric acid + Anhydrous (100% HCL): Byproduct & Other
2819451 - - Hydrocyanic + Anhydrous Acid (100% HCN)
2819461 - - Hydrofluoric Acid (100% HF): produced & Withdrawn from system: Anhydrous
2819465 - - Hydrofluoric Acid (100% HF): produced & Withdrawn from system: Technical (Aqueous)
2819467 - - Mixed Acid (Sulfuric & Nitric)
2819471 - - Perchloric acid (100% basis)
2819498 - - Inorganic acids (General)
28195 - Aluminum oxide, except natural alumina (100% Al 2O 3)
28196 - Aluminum compounds, Other
2819613 - - Aluminum Chloride (100% AlCl 3): Liquid & Crystal
2819617 - - Aluminum Chloride (100% AlCl 3): Anhydrous
2819625 - - Aluminum Hydroxide, Trihydrate (100% Al 2O 3.3H 2O)
2819627 - - Aluminum Flouride, Technical
2819651 - - Aluminum Sulfate (17% Al 2O 3): Commercial
2819655 - - Aluminum Sulfate (17% Al 2O 3): Iron-free
2819671 - - Inorganic aluminum compounds (General)
2819673 - - Aluminates (Sodium aluminate, Potassium aluminate, etc. - 100% by weight)
2819679 - - Other Inorganic aluminum compounds (Light aluminum hydroxide, Cryolite, etc.)
28197 - Potassium & Sodium compounds, except bleaches, Alkalies & Alums
2819713 - - Potassium & Sodium compounds: Iodide (100% KI)
2819716 - - Potassium & Sodium compounds: Sulfate (100% K 2SO 4)
2819717 - - Potassium salts & Compounds (General)
2819718 - - Potassium & Sodium compounds: Tetrapotassium pyrophosphate (100% K 4P 2O 7)
2819719 - - Potassium silicates (100% by weight)
2819720 - - Potassium bromides (100% by weight)
2819721 - - Sodium (Metal - 100% Na)
2819723 - - Potassium phosphates (100% by weight)
2819724 - - Potassium silicates (100% by weight)
2819727 - - Sodium compounds (General): Chlorate (100% NaClO 3)
2819728 - - Sodium bromides (100% by weight)
2819729 - - Sodium compounds (General): Hydrosulfide (Sodium sulfhydrate - 100% NaSH)
2819730 - - Sodium compounds (General): Hydrosulfite (100% Na 2S 2O 4)
2819731 - - Sodium cyanides & Cyanide oxides (100% by weight)
2819732 - - Sodium Phosphate: Monobasic (100% NaH 2PO 4)
2819733 - - Sodium Phosphate: Dibasic (100% Na 2HPO 4)
2819734 - - Sodium Phosphate: Tribasic (100% Na 3PO 4)
2819735 - - Sodium Phosphate: Tetrabasic (Pyro - 100% Na 4P 2O 7)
2819736 - - Sodium Phosphate: Meta (100% NaPO 3)
2819737 - - Sodium Phosphate: Acid pyro (100% Na 2H 2P 2O 7)
2819738 - - Sodium Phosphate: Tripoly (100% Na 5P 3O 1 )
2819739 - - Sodium phosphates (General)
2819741 - - Sodium Soluble silicate glass (Water glass) Solid & Liquid (Anhydrous)
2819742 - - Sodium Metasilicate pentahydrate (100% Na 2SiO 3.5H 2O)
2819744 - - Sodium Metasilicate anhydrous (100% Na 2SiO 3)
2819745 - - Sodium Orthosilicate (100% Na 4SiO 4)
2819747 - - Sodium Sequisilicate (100% Na 3SiO 4.5H 2O)
2819751 - - Sodium Silicofluoride (100% Na 2SiF 6)
2819761 - - Sodium Sulfate: High purity (100% Na 2SO 4)
2819766 - - Sodium Sulfate: Lower purity (100% Na 2SO 4) & Glauber's (100% Na 2SO 4.10H 2O)
2819784 - - Sodium Sulfite (100% Na 2SO 3)
2819785 - - Sodium Thiosulfate (Hypo - 100% Na 2S 2O 3.5H 2O)
2819787 - - Sodium compounds (General)
28198 - Chemical catalytic preparations
28199 - Inorganic chemicals (General)
2819901 - - Reagent & High purity grades of Inorganic chemicals refined from purchased technical grades
2819902 - - Antimony compounds, excl pigment grades
2819903 - - Barium nitrates (100% basis)
2819904 - - Barium compounds: Carbonate (Precipitated - 100% BaCO 3)
2819905 - - Barium sulfate (100% basis)
2819906 - - Barium compounds: other Barium compounds
2819907 - - Bismuth carbonate (100% basis)
2819908 - - Bismuth compounds
2819909 - - Other Inorganic bismuth compounds
2819910 - - Bromine (Isolated - 100% Br)
2819911 - - Cadmium compounds
2819912 - - Calcium compounds: Carbide (Commercial)
2819913 - - Calcium compounds: Carbonate (Precipitated - 100% CaCO 3)
2819914 - - Calcium compounds: Chloride (100% CaCl 2)
2819915 - - Dry industrial chlorine bleaches & other Inorganic bleaching compounds (Calcium hypochlorite, etc.)
2819918 - - Calcium Phosphates: Monobasic (100% CaH 4(PO 4) 2
2819919 - - Calcium Phosphates: Dibasic, except fertilizer grades (100% CaHPO 4)
2819920 - - Tribasic calcium phosphates, Animal feed grade
2819921 - - Calcium Phosphates: Tribasic (100% Ca 3(PO 4) 2)
2819922 - - Tribasic calcium phosphate, other Grades
2819923 - - Inorganic calcium compounds (General)
2819925 - - Carbon, Activated, excl reactivated carbon: Granular carbons
2819927 - - Carbon, Activated, excl reactivated carbon: Pulverized carbons
2819933 - - Chromium compounds: Sodium bichromate & Chromate (Hydrous)
2819934 - - Chromium compounds (General) + Potassium bichromate & excl chrome colors
2819935 - - Cuprous oxide (100% Cu 2O)
2819936 - - Copper hydroxides (100% by weight)
2819937 - - Copper compounds (General)
2819938 - - Inorganic gold compounds
2819939 - - Hydrogen peroxide (100% by weight)
2819940 - - Iodine, Crude or Resublimed (100% I)
2819941 - - Liquid industrial chlorine bleaches & other Inorganic bleaching compounds (Sodium hypochlorite, etc.)
2819942 - - Ferric chloride (100% FeCl 3)
2819943 - - Iron oxides & Hydroxides (100% by weight)
2819944 - - Iron compounds (General)
2819945 - - Inorganic lithium compounds
2819946 - - Magnesium compounds
2819948 - - Magnesium chloride (100% basis)
2819949 - - Magnesium sulfate (100% basis)
2819950 - - Other Inorganic magnesium compounds, incl Magnesium & Epsom salts
2819951 - - Manganese dioxides (100% basis)
2819952 - - Manganese compounds
2819953 - - Mercury & Compounds: Mercury, Redistilled
2819954 - - Other Inorganic mercury compounds, incl Mercuric oxide, excl mercuric fulminate & Medicinal grades
2819955 - - Mercury & Compounds: Mercury compounds, excl mercuric fulminate & Medicinal grades
2819956 - - Nickel oxides & Hydroxides (100% by weight)
2819957 - - Nickel compounds
2819958 - - Phosphorus & Compounds: Phosphorus, Elemental (Technical)
2819959 - - Other Inorganic nickel compounds
281995A - - Molybdenum oxides (100% by weight)
281995B - - Molybdates (Ammonium molybdate, Sodium molybdate, etc. - 100% by weight)
281995C - - Other Inorganic molybdenum compounds
2819960 - - Phosphorus & Compounds: Oxychloride (100% POCl 3)
2819961 - - Phosphorus & Compounds: Pentasulfide (100% P 2S 5)
2819963 - - Phosphorus & Compounds: Trichloride (Chloride - 100% PCl 3)
2819964 - - Phosphorus compounds (General)
2819965 - - Rare earth compounds
2819966 - - Silicon tetrachloride (Silted - 100% basis)
2819967 - - Silica gel
2819968 - - Other Inorganic silicon compounds
281996A - - Phosphorus & Compounds: Phosphorus, Elemental (Technical)
2819971 - - Strontium carbonate (100% basis)
2819972 - - Other Inorganic strontium compounds
2819973 - - Silver compounds
2819974 - - Sulfur, Recovered elemental (Long tons)
2819975 - - Sulfur Dioxide (Produced for Sale - 100% SO 2)
2819978 - - Sulfur compounds (General)
2819981 - - Tin compounds
2819982 - - Tin chloride (100% basis)
2819983 - - Other Inorganic tin compounds
2819984 - - Tungstates (Ammonium tungstate, Sodium tungstate, etc. - 100% by weight)
2819985 - - Other Inorganic tungsten compounds
2819986 - - Zinc oxide & Peroxide (100% by weight)
2819987 - - Zinc Sulfate (100% ZnSO 4.7H 2O)
2819988 - - Zinc chloride (100% basis)
2819989 - - Zinc compounds (General) excl pigment grades
2819990 - - Molybdenum, Platinum, Radium, Strontium, Tantalum, Thallium & Tungsten compounds
2819998 - - Inorganic chemicals (General)
2819999 - - Recovered elemental sulfur
2819XX0 - - Industrial inorganic chemicals (Miscellaneous - Volume)
2819XX2 - - Industrial inorganic chemicals (Miscellaneous - Speciality)