BTKI Chapter 28: Inorganic chemicals;organic or inorganic...

Published: 2026-03-19 Reviewed: 2026-03-19 Authority: Official Indonesian source cross-check required

Field	Value
Chapter	28
Section	Products of the chemical or allied industries
WCO headings loaded	53
6-digit subheadings loaded	180
Indonesian tariff lines live	0

Chapter summary

This chapter is now linked to the live WCO 2022 heading tree. Use it to move from the official chapter title into the 4-digit heading and then the 6-digit subheading before validating the final Indonesian tariff line.

Headings loaded from this chapter

Heading	Title	6-digit codes
2801	Fluorine, chlorine, bromine and iodine	3
2802	Sulphur, sublimed or precipitated; colloidal sulphur	1
2803	Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)	1
2804	Hydrogen, rare gases and other non-metals	11
2805	Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury	5
2806	Hydrogen chloride (hydrochloric acid); chlorosulphuric acid	2
2807	Sulphuric acid; oleum	1
2808	Nitric acid; sulphonitric acids	1
2809	Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined	2
2810	Oxides of boron; boric acids	1
2811	Other inorganic acids and other inorganic oxygen compounds of non-metals	6
2812	Halides and halide oxides of non-metals	9
2813	Sulphides of non-metals; commercial phosphorus trisulphide	2
2814	Ammonia, anhydrous or in aqueous solution	2
2815	Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium	4
2816	Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium	2
2817	Zinc oxide; zinc peroxide	1
2818	Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide	3
2819	Chromium oxides and hydroxides	2
2820	Manganese oxides	2
2821	Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3	2
2822	Cobalt oxides and hydroxides; commercial cobalt oxides	1
2823	Titanium oxides	1
2824	Lead oxides; red lead and orange lead	2
2825	Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides	9
2826	Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts	4
2827	Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides	11
2828	Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites	2
2829	Chlorates and perchlorates; bromates and perbromates; iodates and periodates	3
2830	Sulphides; polysulphides, whether or not chemically defined	2
2831	Dithionites and sulphoxylates	2
2832	Sulphites; thiosulphates	3
2833	Sulphates; alums; peroxosulphates (persulphates)	10
2834	Nitrites; nitrates	3
2835	Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined	8
2836	Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate	8
2837	Cyanides, cyanide oxides and complex cyanides	3
2838	[deleted]	0
2839	Silicates; commercial alkali metal silicates	3
2840	Borates; peroxoborates (perborates)	4
2841	Salts of oxometallic or peroxometallic acids	7
2842	Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides	2
2843	Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals	5
2844	Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products	8
2845	Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined	5
2846	Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals	2
2847	Hydrogen peroxide, whether or not solidified with urea	1
2848	[deleted]	0
2849	Carbides, whether or not chemically defined	3
2850	Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49	1
2851	[deleted]	0
2852	Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams	2
2853	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	2

Sources

Source	URL	Coverage	Tier
WCO HS 2022	https://www.wcotradetools.org/en/harmonized-system/search/2022/en	4-digit headings and 6-digit subheadings	official
DJBC BTKI	https://www.beacukai.go.id/btki-dan-tarif	Indonesia chapter mapping and BTKI context	official
INSW tariff lookup	https://insw.go.id/intr	Existing Indonesian tariff-line examples	official

Changelog

2026-03-19 - The HS page was published with tariff basics, chapter linkage, and import checkpoints.
2026-03-19 - Lartas notes, the duty calculator link, and chapter navigation were updated.

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