Chapter 28 · Section VI

HSN Code Chapter 28: Industrial gases and inorganic chemicals

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

Rate distribution

Varies: 45 headings
5%: 7 headings
Nil: 1 heading

Headings in Chapter 28

Code	Description	GST rate
2801	Fluorine, chlorine, bromine and iodine	Varies
2802	Sulphur, sublimed or precipitated; colloidal sulphur	Varies
2803	Carbon	Varies
2804	Hydrogen, rare gases and other non-metals	Varies
2805	Alkali or alkaline-earth metals, rare-earth metals,scandium	Varies
2806	Hhydrogen chloride (hydrochloric acid), chlorosulphuric acid	Varies
2807	Sulphuric acid; oleum	5%
2808	Nitric acid; sulphonitric acids	5%
2809	Diphosphorus pentaoxide; phosphoric acid	5%
2810	Oxides of boron, boric acids	Varies
2811	Other inorganic acids and other inorganic oxygen compounds	Varies
2812	Halides and halide oxides of non-metals	Varies
2813	Sulphides of non-metals; commercial phosphorus trisulphide	Varies
2814	Ammonia, anhydrous or in aqueous solution	5%
2815	Sodium hydroxide (caustic soda), potassium hydroxide	Varies
2816	Hydroxide and peroxide of magnesium	Varies
2817	Zinc oxide; zinc peroxide	Varies
2818	Artificial corundum, whether or not chemically defined	Varies
2819	Chromium oxides and hydroxides	Varies
2820	Manganese oxides	Varies
2821	Iron oxides and hydroxides	Varies
2822	Cobalt oxides and hydroxides; commercial cobalt oxides	Varies
2823	Titanium oxides	Varies
2824	Lead oxides; red lead and orange lead	Varies
2825	Hydrazine and hydroxylamine and their inorganic salts	Varies
2826	Fluorides, fluorosilicates, fluoroaluminates and other	Varies
2827	Chlorides, chloride oxides and chloride hydroxides	Varies
2828	Hypochlorites ; commercial calcium hypochlorites; chlorites	Varies
2829	Chlorates and perchlorates, bromates and perbromates	Varies
2830	Sulphides; polysulphides, whether or not chemically defined	Varies
2831	Dithionites and sulphoxylates	Varies
2832	Sulphites; thiosulphates	Varies
2833	Sulphates; alums; peroxosulphates (persulphates)	Varies
2834	Nitrites; nitrates	Varies
2835	Phosphinates (hypophosphites), phosphonates (phosphites)	Nil
2836	Carbonates; peroxocarbonates (percarbonates)	Varies
2837	Cyanides, cyanide oxides and complex cyanides	Varies
2838	Fulminates, cyanates and thiocyanates - fulminates	Varies
2839	Silicates, commercial alkali metal silicates	Varies
2840	Borates, peroxoborates (perborates)	Varies
2841	Salts of oxometallic or peroxometallic acids	Varies
2842	Other salts of inorganic acids or peroxoacids	Varies
2843	Colloidal precious metals	Varies
2844	Radioactive chemical elements and radioactive isotopes	Varies
2845	Isotopes other than those of heading 2844	5%
2846	Compounds, inorganic or organic, of rare-earth metals	Varies
2847	Hydrogen peroxide, whether or not solidified with urea	5%
2848	Phosphides, whether or not chemically defined, excluding	Varies
2849	Carbides, whether or not chemically defined	Varies
2850	Hydrides, nitrides, azides, silicides and borides	Varies
2851	-	Varies
2852	Inorganic or organic compounds of mercury	Varies
2853	Phosphides, whether or not chemically defined,excluding	5%

Nearby chapters in Section VI

29Organic chemicals and chemical compounds 38Insecticides and other miscellaneous chemical products 30Medicines, vaccines and pharmaceutical products 37Photographic film and cinematographic goods 31Fertilisers 36Explosives, fireworks and matches

← All HSN chapters

Rates as per Notifications No. 9/2025-Central Tax (Rate) and 10/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.