CBSA

Chapter 28Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

The headings in this chapter of Canada's Customs Tariff. Each one opens on the numbers it contains.

50 headings

2801Fluorine, chlorine, bromine and iodine.
- 2801.10.00.00Chlorine
- 2801.20.00.00Iodine
- 2801.30.00.00Fluorine; bromine
2802.00.00.00Sulphur, sublimed or precipitated; colloidal sulphur.
2803.00.00Carbon (carbon blacks and other forms of carbon not elsewhere specified or included).
- 2803.00.00.10Lampblack
- 2803.00.00.90Other
2804Hydrogen, rare gases and other non-metals.
- 2804.10.00.00Hydrogen
- 2804.2Rare gases:
  - 2804.21.00.00Argon
  - 2804.29.00Other
    2804.29.00.10Helium
    2804.29.00.90Other
- 2804.30.00.00Nitrogen
- 2804.40.00.00Oxygen
- 2804.50.00.00Boron; tellurium
- 2804.6Silicon:
  - 2804.61.00.00Containing by weight not less than 99.99% of silicon
  - 2804.69.00.00Other
- 2804.70.00.00Phosphorus
- 2804.80.00.00Arsenic
- 2804.90.00.00Selenium
2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury.
- 2805.1Alkali or alkaline-earth metals:
  - 2805.11.00.00Sodium
  - 2805.12.00.00Calcium
  - 2805.19.00.00Other
- 2805.30.00.00Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed
- 2805.40.00.00Mercury
2806Hydrogen chloride (hydrochloric acid); chlorosulphuric acid.
- 2806.10.00.00Hydrogen chloride (hydrochloric acid)
- 2806.20.00.00Chlorosulphuric acid
2807.00.00.00Sulphuric acid; oleum.
2808.00.00.00Nitric acid; sulphonitric acids.
2809Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined.
- 2809.10.00.00Diphosphorus pentaoxide
- 2809.20.00Phosphoric acid and polyphosphoric acids
  - 2809.20.00.1Phosphoric acids, fertilizer grade:
    2809.20.00.11Superacid grade (68-72% P2O5)
    2809.20.00.19Other
  - 2809.20.00.20Other phosphoric acids
  - 2809.20.00.30Polyphosphoric acids
2810.00.00.00Oxides of boron; boric acids.
2811Other inorganic acids and other inorganic oxygen compounds of non-metals.
- 2811.1Other inorganic acids:
  - 2811.11.00.00Hydrogen fluoride (hydrofluoric acid)
  - 2811.12.00.00Hydrogen cyanide (hydrocyanic acid)
  - 2811.19.00.00Other
- 2811.2Other inorganic oxygen compounds of non-metals:
  - 2811.21.00.00Carbon dioxide
  - 2811.22.00Silicon dioxide
    2811.22.00.10Hydrated silica
    2811.22.00.20Silica gel
    2811.22.00.90Other
  - 2811.29.00.00Other
2812Halides and halide oxides of non-metals.
- 2812.1Chlorides and chloride oxides:
  - 2812.11.00.00Carbonyl dichloride (phosgene)
  - 2812.12.00.00Phosphorus oxychloride
  - 2812.13.00.00Phosphorus trichloride
  - 2812.14.00.00Phosphorus pentachloride
  - 2812.15.00.00Sulphur monochloride
  - 2812.16.00.00Sulphur dichloride
  - 2812.17.00.00Thionyl chloride
  - 2812.19.00Other
    2812.19.00.00—
    2812.19.00.10Arsenic trichloride
    2812.19.00.90Other
- 2812.90.00.00Other
2813Sulphides of non-metals; commercial phosphorus trisulphide.
- 2813.10.00.00Carbon disulphide
- 2813.90.00.00Other
2814Ammonia, anhydrous or in aqueous solution.
- 2814.10.00.00Anhydrous ammonia
- 2814.20.00.00Ammonia in aqueous solution
2815Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.
- 2815.1Sodium hydroxide (caustic soda):
  - 2815.11.00.00Solid
  - 2815.12.00.00In aqueous solution (soda lye or liquid soda)
- 2815.20.00Potassium hydroxide (caustic potash)
  - 2815.20.00.10Solid
  - 2815.20.00.20In aqueous solution
- 2815.30.00.00Peroxides of sodium or potassium
2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium.
- 2816.10.00.00Hydroxide and peroxide of magnesium
- 2816.40.00.00Oxides, hydroxides and peroxides, of strontium or barium
2817.00.00Zinc oxide; zinc peroxide.
- 2817.00.00.10Zinc oxide, having a zinc content not exceeding 75%, expressed as the metal, for use in the manufacture of animal or poultry feeds
- 2817.00.00.90Other
2818Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide.
- 2818.10.00.00Artificial corundum, whether or not chemically defined
- 2818.20.00Aluminum oxide, other than artificial corundum
  - 2818.20.00.10Alumina prepared for processing into aluminum
  - 2818.20.00.20Activated alumina
  - 2818.20.00.90Other
- 2818.30.00.00Aluminum hydroxide
2819Chromium oxides and hydroxides.
- 2819.10.00.00Chromium trioxide
- 2819.90.00.00Other
2820Manganese oxides.
- 2820.10.00.00Manganese dioxide
- 2820.90.00.00Other
2821Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2O3.
- 2821.10.00.00Iron oxides and hydroxides
- 2821.20.00.00Earth colours
2822.00.00.00Cobalt oxides and hydroxides; commercial cobalt oxides.
2823.00.00Titanium oxides.
- 2823.00.00.10Titanium dioxide
- 2823.00.00.90Other
2824Lead oxides; red lead and orange lead.
- 2824.10.00.00Lead monoxide (litharge, massicot)
- 2824.90.00.00Other
2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides.
- 2825.10.00.00Hydrazine and hydroxylamine and their inorganic salts
- 2825.20.00.00Lithium oxide and hydroxide
- 2825.30.00.00Vanadium oxides and hydroxides
- 2825.40.00.00Nickel oxides and hydroxides
- 2825.50.00.00Copper oxides and hydroxides
- 2825.60.00Germanium oxides and zirconium dioxide
  - 2825.60.00.00—
  - 2825.60.00.10Germanium oxides
  - 2825.60.00.20Zirconium dioxides
- 2825.70.00.00Molybdenum oxides and hydroxides
- 2825.80.00.00Antimony oxides
- 2825.90.00.00Other
2826Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts.
- 2826.1Fluorides:
  - 2826.12.00.00Of aluminum
  - 2826.19.00.00Other
- 2826.30.00.00Sodium hexafluoroaluminate (synthetic cryolite)
- 2826.90.00.00Other
2827Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides.
- 2827.10.00.00Ammonium chloride
- 2827.20.00Calcium chloride
  - 2827.20.00.10Dry
  - 2827.20.00.20In aqueous solution
- 2827.3Other chlorides:
  - 2827.31.00.00Of magnesium
  - 2827.32.00.00Of aluminum
  - 2827.35.00.00Of nickel
  - 2827.39.00.00Other
- 2827.4Chloride oxides and chloride hydroxides:
  - 2827.41.00.00Of copper
  - 2827.49.00.00Other
- 2827.5Bromides and bromide oxides:
  - 2827.51.00.00Bromides of sodium or of potassium
  - 2827.59.00.00Other
- 2827.60.00.00Iodides and iodide oxides
2828Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites.
- 2828.10.00.00Commercial calcium hypochlorite and other calcium hypochlorites
- 2828.90.00.00Other
2829Chlorates and perchlorates; bromates and perbromates; iodates and periodates.
- 2829.1Chlorates:
  - 2829.11.00.00Of sodium
  - 2829.19.00.00Other
- 2829.90.00.00Other
2830Sulphides; polysulphides, whether or not chemically defined.
- 2830.10.00.00Sodium sulphides
- 2830.90.00.00Other
2831Dithionites and sulphoxylates.
- 2831.10.00.00Of sodium
- 2831.90.00.00Other
2832Sulphites; thiosulphates.
- 2832.10.00.00Sodium sulphites
- 2832.20.00.00Other sulphites
- 2832.30.00.00Thiosulphates
2833Sulphates; alums; peroxosulphates (persulphates).
- 2833.1Sodium sulphates:
  - 2833.11.00.00Disodium sulphate
  - 2833.19.00.00Other
- 2833.2Other sulphates:
  - 2833.21.00.00Of magnesium
  - 2833.22.00.00Of aluminum
  - 2833.24.00.00Of nickel
  - 2833.25.00Of copper
    2833.25.00.10Cupric sulphate
    2833.25.00.90Other
  - 2833.27.00.00Of barium
  - 2833.29.00.00Other
- 2833.30.00.00Alums
- 2833.40.00Peroxosulphates (persulphates)
  - 2833.40.00.10Diammonium peroxodisulphate (ammonium persulphate)
  - 2833.40.00.20Dipotassium peroxodisulphate (potassium persulphate)
  - 2833.40.00.30Disodium peroxodisulphate (sodium persulphate)
  - 2833.40.00.90Other
2834Nitrites; nitrates.
- 2834.10.00.00Nitrites
- 2834.2Nitrates:
  - 2834.21.00.00Of potassium
  - 2834.29.00.00Other
2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined.
- 2835.10.00.00Phosphinates (hypophosphites) and phosphonates (phosphites)
- 2835.2Phosphates:
  - 2835.22.00.00Of mono- or disodium
  - 2835.24.00.00Of potassium
  - 2835.25.00.00Calcium hydrogenorthophosphate ("dicalcium phosphate")
  - 2835.26.00.00Other phosphates of calcium
  - 2835.29.00.00Other
- 2835.3Polyphosphates:
  - 2835.31.00Sodium triphosphate (sodium tripolyphosphate)
    2835.31.00.10For use in the manufacture of food products
    2835.31.00.90Other
  - 2835.39.00Other
    2835.39.00.10Sodium acid pyrophosphate, for use in the manufacture of food products
    2835.39.00.90Other
2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate.
- 2836.20.00Disodium carbonate
  - 2836.20.00.10For use in refining minerals
  - 2836.20.00.90Other
- 2836.30.00.00Sodium hydrogencarbonate (sodium bicarbonate)
- 2836.40.00.00Potassium carbonates
- 2836.50.00.00Calcium carbonate
- 2836.60.00.00Barium carbonate
- 2836.9Other:
  - 2836.91.00.00Lithium carbonates
  - 2836.92.00.00Strontium carbonate
  - 2836.99.00.00Other
2837Cyanides, cyanide oxides and complex cyanides.
- 2837.1Cyanides and cyanide oxides:
  - 2837.11.00.00Of sodium
  - 2837.19.00.00Other
- 2837.20.00.00Complex cyanides
2839Silicates; commercial alkali metal silicates.
- 2839.1Of sodium:
  - 2839.11.00.00Sodium metasilicates
  - 2839.19.00.00Other
- 2839.90.00.00Other
2840Borates; peroxoborates (perborates).
- 2840.1Disodium tetraborate (refined borax):
  - 2840.11.00.00Anhydrous
  - 2840.19.00.00Other
- 2840.20.00.00Other borates
- 2840.30.00.00Peroxoborates (perborates)
2841Salts of oxometallic or peroxometallic acids.
- 2841.30.00.00Sodium dichromate
- 2841.50.00.00Other chromates and dichromates; peroxochromates
- 2841.6Manganites, manganates and permanganates:
  - 2841.61.00.00Potassium permanganate
  - 2841.69.00.00Other
- 2841.70.00.00Molybdates
- 2841.80.00.00Tungstates (wolframates)
- 2841.90.00.00Other
2842Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides.
- 2842.10.00.00Double or complex silicates, including aluminosilicates whether or not chemically defined
- 2842.90.00.00Other
2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals.
- 2843.10.00.00Colloidal precious metals
- 2843.2Silver compounds:
  - 2843.21.00.00Silver nitrate
  - 2843.29.00.00Other
- 2843.30.00.00Gold compounds
- 2843.90.00.00Other compounds; amalgams
2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products.
- 2844.10.00.00Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds
- 2844.20.00.00Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products
- 2844.30.00.00Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium or compounds of these products
- 2844.4Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues:
  - 2844.41.00.00Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds
  - 2844.42.00.00Actinium-225, actinium-227, californium-253, curium-240, curium-241, curium-242, curium-243, curium-244, einsteinium-253, einsteinium-254, gadolinium-148, polonium-208, polonium-209, polonium-210, radium-223, uranium-230 or uranium-232, and their compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements or compounds
  - 2844.43.00Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds
    2844.43.00.1Other radioactive elements and isotopes and compounds:
    2844.43.00.11Of cobalt 60 radioactivity only
    2844.43.00.19Other
    2844.43.00.90Other
  - 2844.44.00.00Radioactive residues
- 2844.50.00.00Spent (irradiated) fuel elements (cartridges) of nuclear reactors
2845Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined.
- 2845.10.00.00Heavy water (deuterium oxide)
- 2845.20.00.00Boron enriched in boron-10 and its compounds
- 2845.30.00.00Lithium enriched in lithium-6 and its compounds
- 2845.40.00.00Helium-3
- 2845.90.00.00Other
2846Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.
- 2846.10.00.00Cerium compounds
- 2846.90.00.00Other
2847.00.00Hydrogen peroxide, whether or not solidified with urea.
- 2847.00.00.10Not solidified with urea
- 2847.00.00.20Solidified with urea (urea hydrogen peroxide)
2849Carbides, whether or not chemically defined.
- 2849.10.00.00Of calcium
- 2849.20.00.00Of silicon
- 2849.90.00Other
  - 2849.90.00.10Tungsten carbide
  - 2849.90.00.90Other
2850.00.00.00Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.
2852Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams.
- 2852.10.00.00Chemically defined
- 2852.90Other
  - 2852.90.10.00Mercury albuminate; Nucleoproteids of mercury
  - 2852.90.90.00Other
2853Phosphides, whether or not chemically defined, excluding ferrophosphorus; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals.
- 2853.10.00.00Cyanogen chloride (chlorcyan)
- 2853.90.00.00Other

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