Chapter 28: Inorganic Chemicals

Browse all headings in Chapter 28 of the Canadian Customs Tariff.

Code	Description	Items
28.01	Fluorine, chlorine, bromine and iodine.	6
28.04	Hydrogen, rare gases and other non-metals.	21
28.05	Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury.	10
28.06	Hydrogen chloride (hydrochloric acid); chlorosulphuric acid.	4
28.09	Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined.	3
28.11	Other inorganic acids and other inorganic oxygen compounds of non-metals.	11
28.12	Halides and halide oxides of non-metals.	17
28.13	Sulphides of non-metals; commercial phosphorus trisulphide.	4
28.14	Ammonia, anhydrous or in aqueous solution.	4
28.15	Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.	7
28.16	Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium.	4
28.18	Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide.	5
28.19	Chromium oxides and hydroxides.	4
28.20	Manganese oxides.	4
28.21	Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2O3.	4
28.45	Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined.	10
28.46	Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.	4
28.49	Carbides, whether or not chemically defined.	5
28.52	Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams.	6
28.24	Lead oxides; red lead and orange lead.	4
28.25	Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides.	17
28.26	Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts.	8
28.27	Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides.	21
28.31	Dithionites and sulphoxylates.	4
28.32	Sulphites; thiosulphates.	6
28.33	Sulphates; alums; peroxosulphates (persulphates).	18
28.34	Nitrites; nitrates.	6
28.36	Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate.	15
28.40	Borates; peroxoborates (perborates).	8
28.29	Chlorates and perchlorates; bromates and perbromates; iodates and periodates.	6
28.30	Sulphides; polysulphides, whether or not chemically defined.	4
28.35	Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined.	14
28.37	Cyanides, cyanide oxides and complex cyanides.	6
28.39	Silicates; commercial alkali metal silicates.	6
28.41	Salts of oxometallic or peroxometallic acids.	14
28.44	Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products.	12
28.42	Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides.	4
28.43	Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals.	10
28.53	Phosphides, 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.	4
28.28	Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites.	4

Disclaimer: This data is for informational purposes only. Tariff data is sourced from the CBSA Canadian Customs Tariff and may not reflect the most recent amendments. Always verify with CBSA or a licensed customs broker before making import decisions.