US Census Bureau · data through August 2026 · updated monthly

HS chapter 28

Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

179 products · US trade over the 12 months to August 2026

ProductUS importsUS exports
ChlorineHS 2801.10$125.8M$4.6M
IodineHS 2801.20$205.3M$81.2M
Fluorine; bromineHS 2801.30$4.1M$19.4M
Sulfur, sublimed or precipitated; collodial sulfurHS 2802.00$6.6M$1.7M
Carbon, not elsewhere specified (including carbon black)HS 2803.00$368.7M$378.6M
HydrogenHS 2804.10$99.7M$15.2M
ArgonHS 2804.21$25.8M$28.6M
Rare gases, not elsewhere specified (other than argon)HS 2804.29$141.1M$742.0M
NitrogenHS 2804.30$6.1M$38.4M
OxygenHS 2804.40$2.5M$9.5M
Boron; telluriumHS 2804.50$6.0M$15.2M
Silicon, containing by weight not less than 99.99% of siliconHS 2804.61$162.6M$1.07B
Silicon, containing by weight less than 99.99% of siliconHS 2804.69$468.0M$18.6M
PhosphorusHS 2804.70$16.5M$91.6M
ArsenicHS 2804.80$1.7M$24K
SeleniumHS 2804.90$14.8M$5.3M
SodiumHS 2805.11$17.6M$1.8M
CalciumHS 2805.12$15.2M$5.9M
Alkali metals, not elsewhere specified (other than sodium)HS 2805.19$22.6M$27.0M
Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyedHS 2805.30$15.9M$7.6M
Hydrogen chloride (hydrochloric acid)HS 2806.10$59.9M$26.0M
Chlorosulfuric acidHS 2806.20$52K$57K
Sulfuric acid; oleumHS 2807.00$368.7M$55.4M
Nitric acid, sulfonitric acidsHS 2808.00$10.2M$20.1M
Diphosphorus pentaoxideHS 2809.10$7.3M$1.3M
Phosphoric acid and polyphosphoric acidsHS 2809.20$343.2M$403.4M
Oxides of boron; boric acidsHS 2810.00$51.8M$210.2M
Hydrogen fluoride (hydrofluoric acid)HS 2811.11$199.7M$52.4M
Hydrogen cyanide (hydrocyanic acid)HS 2811.12$0$231K
Inorganic acids, not elsewhere specifiedHS 2811.19$55.3M$38.7M
Carbon dioxideHS 2811.21$56.2M$43.7M
Silicon dioxideHS 2811.22$304.9M$251.5M
Inorganic oxygen compounds of nonmetals, not elsewhere specifiedHS 2811.29$51.8M$32.9M
Carbonyl dichloride (phosgene)HS 2812.11$85K$211K
Phosphorus oxychlorideHS 2812.12$4.8M$2.7M
Phosphorus trichlorideHS 2812.13$5.8M$899K
Phosphorus pentachlorideHS 2812.14$84K$0
Sulfur monochlorideHS 2812.15$47K$5K
Sulfur dichlorideHS 2812.16$8K$0
Thionyl chlorideHS 2812.17$1.7M$686K
Chlorides and chloride oxides, not elsewhere specifiedHS 2812.19$18.5M$11.2M
Halides and halide oxides of nonmetals, except chlorides and chloride oxides, not elsewhere specifiedHS 2812.90$37.5M$111.7M
Carbon disulfideHS 2813.10$617K$23.3M
Sulfides of nonmetals, not elsewhere specified; commercial phosphorus trisulfideHS 2813.90$17.2M$18.8M
Anhydrous ammoniaHS 2814.10$1.32B$839.6M
Ammonia in aqueous solutionHS 2814.20$7.2M$8.5M
Sodium hydroxide (caustic soda), solidHS 2815.11$30.4M$19.4M
Sodium hydroxide (caustic soda), in aqueous solution (soda lye or liquid soda)HS 2815.12$164.1M$1.36B
Potassium hydroxide (caustic potash)HS 2815.20$47.3M$102.1M
Sodium peroxide and potassium peroxideHS 2815.30$1.8M$1.6M
Magnesium hydroxide and magnesium peroxideHS 2816.10$31.7M$18.0M
Oxides, hydroxides, and peroxides of strontium or bariumHS 2816.40$3.4M$1.4M
Zinc oxide and zinc peroxideHS 2817.00$304.9M$193.0M
Artificial corundum, whether or not chemically definedHS 2818.10$142.0M$29.7M
Aluminum oxide, except artificial corundum, not elsewhere specifiedHS 2818.20$657.6M$248.2M
Aluminum hydroxideHS 2818.30$302.4M$206.7M
Chromium trioxideHS 2819.10$7.7M$0
Chromium oxides and hydrides, except chromium trioxide, not elsewhere specifiedHS 2819.90$18.3M$0
Manganese dioxideHS 2820.10$19.8M$10.8M
Manganese oxides, except manganese dioxide, not elsewhere specifiedHS 2820.90$8.4M$12.8M
Iron oxides and hydroxidesHS 2821.10$180.8M$60.7M
Earth colors containing 70% or more by weight of combined iron evaluated as fe203HS 2821.20$309K$425K
Cobalt oxides and hydroxides; commercial cobalt oxidesHS 2822.00$57.9M$2.0M
Titanium oxidesHS 2823.00$66.1M$31.3M
Lead monoxide (litharge, massicot)HS 2824.10$2.1M$594K
Lead oxides, not elsewhere specifiedHS 2824.90$2.2M$6.5M
Hydrazine and hydroxylamine and their inorganic saltsHS 2825.10$30.4M$1.6M
Lithium oxide and hydroxideHS 2825.20$18.9M$181.9M
Vanadium oxides and hydroxidesHS 2825.30$40.6M$3.3M
Nickel oxides and hydroxidesHS 2825.40$45.3M$7.2M
Copper oxides and hydroxidesHS 2825.50$19.2M$215.2M
Germanium oxides and zirconium dioxideHS 2825.60$175.5M$34.5M
Molybdenum oxides and hydroxidesHS 2825.70$73.1M$48.0M
Antimony oxidesHS 2825.80$450.2M$31.8M
Inorganic bases; other metal oxides, hydroxides and peroxides, not elsewhere specifiedHS 2825.90$149.5M$568.1M
Fluorides of aluminumHS 2826.12$28.4M$11.7M
Fluorides, not elsewhere specifiedHS 2826.19$48.8M$162.8M
Sodium hexafluoroaluminate (synthetic cryolite)HS 2826.30$8.5M$277K
Fluorosilicates (other than of sodium or potassium), not elsewhere specified, fluoroaluminates and other complex fluorine salts, not elsewhere specifiedHS 2826.90$106.1M$17.0M
Ammonium chlorideHS 2827.10$5.5M$2.7M
Calcium chlorideHS 2827.20$89.1M$51.6M
Magnesium chlorideHS 2827.31$47.9M$14.4M
Aluminum chlorideHS 2827.32$13.7M$43.0M
Nickel chlorideHS 2827.35$2.6M$1.0M
Chlorides, not elsewhere specifiedHS 2827.39$162.4M$133.7M
Chloride oxides and chloride hydroxides of copperHS 2827.41$45.1M$9.7M
Chloride oxides and chloride hydroxides, not elsewhere specifiedHS 2827.49$47.6M$42.9M
Bromides of sodium or of potassiumHS 2827.51$22.4M$37.7M
Bromides and bromide oxides, not elsewhere specifiedHS 2827.59$38.1M$34.5M
Iodides and iodide oxidesHS 2827.60$19.5M$24.9M
Commercial calcium hypochlorite and other calcium hypochloritesHS 2828.10$6.5M$14.7M
Hypochlorites, chlorites, and hypobromites, not elsewhere specifiedHS 2828.90$53.3M$29.6M
Sodium chlorateHS 2829.11$137.0M$30.2M
Chlorates, except sodium chlorate, not elsewhere specifiedHS 2829.19$298K$1.1M
Perchlorates; bromates and perbromates; iodates and periodatesHS 2829.90$9.9M$80.6M
Sodium sulfidesHS 2830.10$6.9M$35.2M
Sulfides and polysulfides, not elsewhere specifiedHS 2830.90$20.9M$23.5M
Dithionites and sulfoxylates of sodiumHS 2831.10$14.0M$1.4M
Dithionites and sulfoxylates, except of sodium, not elsewhere specifiedHS 2831.90$70K$94K
Sodium sulfitesHS 2832.10$27.7M$10.6M
Sulfites, except sodium sulfites, not elsewhere specifiedHS 2832.20$1.4M$11.6M
ThiosulfatesHS 2832.30$4.4M$28.6M
Disodium sulfateHS 2833.11$11.9M$13.1M
Sodium sulfates, except disodium sulfates, not elsewhere specifiedHS 2833.19$6.3M$23.3M
Magnesium sulfateHS 2833.21$17.6M$8.4M
Aluminum sulfateHS 2833.22$6.2M$2.7M
Nickel sulfateHS 2833.24$8.4M$9.2M
Copper sulfateHS 2833.25$120.1M$125.3M
Barium sulfateHS 2833.27$17.7M$5.0M
Sulfates, not elsewhere specifiedHS 2833.29$196.5M$38.9M
AlumsHS 2833.30$7.5M$484K
Peroxosulfates (persulfates)HS 2833.40$9.0M$33.2M
NitritesHS 2834.10$12.6M$9.1M
Potassium nitrateHS 2834.21$94.0M$14.1M
Nitrates, except nitrates of potassium or of bismuth, not elsewhere specifiedHS 2834.29$25.3M$21.3M
Phosphinates (hypophosphites) and phosphonates (phosphites)HS 2835.10$22.0M$2.1M
Mono- or disodium phosphatesHS 2835.22$20.2M$19.8M
Potassium phosphateHS 2835.24$52.2M$22.4M
Calcium hydrogenorthophosphate (dicalcium phosphate)HS 2835.25$13.8M$32.9M
Phosphates of calcium, except calcium hydrogenorthophosphate (dicalcium phosphate), not elsewhere specifiedHS 2835.26$152.4M$97.9M
Phosphates, not elsewhere specifiedHS 2835.29$38.9M$12.3M
Sodium triphosphate (sodium tripolyphosphate)HS 2835.31$72.4M$10.8M
Polyphosphates, not elsewhere specifiedHS 2835.39$104.3M$112.1M
Disodium carbonateHS 2836.20$6.2M$1.22B
Sodium hydrogencarbonate (sodium bicarbonate)HS 2836.30$19.4M$101.1M
Potassium carbonatesHS 2836.40$16.8M$38.8M
Calcium carbonateHS 2836.50$28.5M$45.2M
Barium carbonateHS 2836.60$12.4M$1.2M
Lithium carbonatesHS 2836.91$153.8M$28.2M
Strontium carbonateHS 2836.92$11.4M$265K
Carbonates, not elsewhere specified; peroxocarbonates (percarbonates)HS 2836.99$109.8M$46.9M
Cyanides and cyanide oxides of sodiumHS 2837.11$3.8M$252.6M
Cyanides and cyanide oxides, not elsewhere specifiedHS 2837.19$2.7M$855K
Complex cyanidesHS 2837.20$1.9M$4.2M
Sodium metasilicatesHS 2839.11$4.6M$3.5M
Silicates; commercial alkali metal silicates, of sodium, except sodium metasilicates, not elsewhere specifiedHS 2839.19$16.9M$18.9M
Silicates; commercial alkali metal silicates, not elsewhere specifiedHS 2839.90$16.0M$44.0M
Anhydrous disodium tetraborate (refined borax)HS 2840.11$4.5M$39.5M
Disodium tetraborate (refined borax), except anhydrous, not elsewhere specifiedHS 2840.19$58.6M$313.4M
Borates, not elsewhere specifiedHS 2840.20$14.6M$38.5M
Peroxoborates (perborates)HS 2840.30$4.2M$1.1M
Sodium dichromateHS 2841.30$1.4M$0
Chromates and dichromates, not elsewhere specified; peroxochromatesHS 2841.50$4.9M$2.7M
Potassium permanganateHS 2841.61$2.5M$9.8M
Manganites, manganates and permanganates, not elsewhere specifiedHS 2841.69$3.4M$4.6M
Molybdates (molybdenum content)HS 2841.70$47.4M$31.9M
Tungstates (wolframates)HS 2841.80$261.3M$11.1M
Salts of oxometallic or peroxometallic acids, not elsewhere specifiedHS 2841.90$133.1M$75.0M
Double or complex silicatesHS 2842.10$132.2M$77.7M
Salts of inorganic acids or peroxoacids, excluding azides, not elsewhere specifiedHS 2842.90$214.8M$41.3M
Colloidal precious metalsHS 2843.10$4.7M$5.4M
Silver nitrateHS 2843.21$866K$48.8M
Silver compounds, except silver nitrate, not elsewhere specifiedHS 2843.29$5.7M$19.8M
Gold compoundsHS 2843.30$4.5M$413.9M
Inorganic or organic compounds of precious metals, whether or not chemically defined, not elsewhere specified; amalgrams of precious metalsHS 2843.90$177.5M$799.6M
Natural uranium and its compounds; uranium alloys, dispersions, ceramic products and mixtures containing natural uranium or natural uranium compoundsHS 2844.10$1.54B$791.6M
Uranium and its compounds enriched in u235; plutonium and its compounds; alloys and other products containing enriched uranium or plutoniumHS 2844.20$4.38B$156.1M
Uranium and its compounds depleted in u235; thorium and its compounds; alloys and other products containing uranium depleted in u235 or thoriumHS 2844.30$279K$6.5M
Tritium and its compounds; alloys, dispersions including cermets, ceramic products and mixtures containing tritium or its compoundsHS 2844.41$2.0M$8.4M
Actinium-225, actinium-227, californium-253, curium-240, curium-241, curium-242, curium-243, curium-244, etc compounds, allys, dispersn, ceram prod, mixHS 2844.42$0$69.3M
Alloys, dispersions, ceramic products and mixtures cont these elements, isotopes or compounds, not elsewhere specifiedHS 2844.43$655.1M$300.8M
Radioactive residuesHS 2844.44$301K$8.1M
Spent (irradiated) fuel elements (cartridges) of nuclear reactorsHS 2844.50$89K$466K
Heavy water (deuterium oxide)HS 2845.10$22.7M$9.5M
Boron enriched in boron-10 and its compoundsHS 2845.20$3K$1.7M
Lithium enriched in lithium-6 and its compoundsHS 2845.30$9K$195K
Helium-3HS 2845.40$8.7M$2.7M
Stable (nonradioactive) isotopes; compounds, inorganic or organic, of such isotopes, whether or not chemically defined, not elsewhere specifiedHS 2845.90$131.5M$271.7M
Cerium compoundsHS 2846.10$24.6M$5.1M
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals, not elsewhere specifiedHS 2846.90$261.0M$179.3M
Hydrogen peroxide, whether or not solidified with ureaHS 2847.00$50.4M$48.7M
Carbides of calcium, whether or not chemically definedHS 2849.10$4.5M$10.5M
Carbides of silicon, whether or not chemically definedHS 2849.20$133.1M$53.6M
Carbides, not elsewhere specified, whether or not chemically definedHS 2849.90$152.8M$74.7M
Hydrides, nitrides, azides, silicides & borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849HS 2850.00$38.9M$218.8M
Mercury compounds, chemically defined, inorganic or organic, excluding amalgamsHS 2852.10$690K$379K
Mercury compounds, inorganic or organic, excluding amalgams, not chemically definedHS 2852.90$189K$1.5M
Cyanogen chloride (chlorcyan)HS 2853.10$209K$332K
Phosphides, exclud ferrophosphorus; other inorganic compds; liquid air; compressed air; amalgams, other than amalgams of precious metalsHS 2853.90$79.9M$142.8M

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