Chapter 28 HSN codes: inorganic chemicals

Inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes. Every heading in chapter 28 with its GST rate; search any 8-digit code below.

Rates checked · from the official GST notifications

    Rates from the CBIC notifications (9/2025, 10/2025 and 19/2025 for goods; 11/2017 as amended by 15/2025 for services), checked October 2026. Calculate GST

    Headings in chapter 28 and their GST

    HSNDescriptionGST
    2801Fluorine, chlorine, bromine and iodine4 tariff items18%
    2802Sulphur, sublimed or precipitated; colloidal sulphur3 tariff items18%
    2803Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)3 tariff items18%
    2804Hydrogen, rare gases and other non-metals16 tariff items5% or 18%
    2805Alkali or alkaline-earth metals, rare-earth metals,scandium and yttrium, whether or not intermixed or interalloyed, mercury5 tariff items5% or 18%
    2806Hhydrogen chloride (hydrochloric acid), chlorosulphuric acid2 tariff items18%
    2807Sulphuric acid; oleum2 tariff items5% or 18%
    2808Nitric acid; sulphonitric acids2 tariff items5% or 18%
    2809Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined3 tariff items5% or 18%
    2810Oxides of boron, boric acids2 tariff items18%
    2811Other inorganic acids and other inorganic oxygen compounds of non-metals17 tariff items18%
    2812Halides and halide oxides of non-metals25 tariff items18%
    2813Sulphides of non-metals; commercial phosphorus trisulphide5 tariff items18%
    2814Ammonia, anhydrous or in aqueous solution2 tariff items5% or 18%
    2815Sodium hydroxide (caustic soda), potassium hydroxide (caustic potash), peroxides of sodium or potassium5 tariff items18%
    2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium3 tariff items18%
    2817Zinc oxide; zinc peroxide2 tariff items18%
    2818Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide6 tariff items18%
    2819Chromium oxides and hydroxides2 tariff items18%
    2820Manganese oxides2 tariff items18%
    2821Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as fe2o33 tariff items18%
    2822Cobalt oxides and hydroxides; commercial cobalt oxides3 tariff items18%
    2823Titanium oxides2 tariff items18%
    2824Lead oxides; red lead and orange lead4 tariff items18%
    2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides22 tariff items18%
    2826Fluorides, fluorosilicates, fluoroaluminates and other complex fluorine salts9 tariff items18%
    2827Chlorides, chloride oxides and chloride hydroxides, bromides and bromide oxides, iodides and iodide oxides23 tariff items18%
    2828Hypochlorites; commercial calcium hypochlorites; chlorites; hypobromites10 tariff items18%
    2829Chlorates and perchlorates, bromates and perbromates, iodates and periodates8 tariff items18%
    2830Sulphides; polysulphides, whether or not chemically defined5 tariff items18%
    2831Dithionites and sulphoxylates4 tariff items18%
    2832Sulphites; thiosulphates9 tariff items18%
    2833Sulphates; alums; peroxosulphates (persulphates)24 tariff items18%
    2834Nitrites; nitrates7 tariff items18%
    2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined17 tariff items0% or 18%
    2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate15 tariff items18%
    2837Cyanides, cyanide oxides and complex cyanides10 tariff items18%
    2838Fulminates, cyanates and thiocyanates - fulminates, cyanates and thiocyanates: fulminates3 tariff items18%
    2839Silicates, commercial alkali metal silicates5 tariff items18%
    2840Borates, peroxoborates (perborates)5 tariff items18%
    2841Salts of oxometallic or peroxometallic acids18 tariff items18%
    2842Other salts of inorganic acids or peroxoacids, (including aluminosilicates, whether or not chemically defined), other than azides4 tariff items18%
    2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals10 tariff items18%
    2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products15 tariff items18%
    2845Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined6 tariff items5% or 18%
    2846Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals6 tariff items18%
    2847Hydrogen peroxide, whether or not solidified with urea1 tariff item5% or 18%
    2848Phosphides, whether or not chemically defined, excluding ferrophosphorus3 tariff items18%
    2849Carbides, whether or not chemically defined6 tariff items18%
    2850Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28496 tariff items18%
    28517 tariff items18%
    2852Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams2 tariff items18%
    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 metals13 tariff items5% or 18%

    Where a heading shows two rates, its codes or its goods differ: tap the heading to see each 8-digit code and the condition for each rate.

    Other chapters

    What chapter 28 covers

    Chapter 28 of the tariff is "Inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes". It has 53 four-digit headings and 396 eight-digit tariff items, such as 2801 (Fluorine, chlorine, bromine and iodine), 2802 (Sulphur, sublimed or precipitated; colloidal sulphur), 2803 (Carbon (carbon blacks and other forms of carbon not).

    GST rates in chapter 28

    Most of its tariff items are taxed at 18%. By tariff item: 348 at 18%. For 48 of them the rate depends on how the goods are described or sold (for example the sale price, or whether they are pre-packaged and labelled), so the finder shows each option with its condition.

    Questions

    What is the GST rate for chapter 28 goods?

    Most of its tariff items are taxed at 18%. Of the 396 eight-digit codes in chapter 28, 348 at 18%; the rest depend on the description. Check the exact code in the table: some headings have more than one rate.

    What is HSN code 2801?

    Heading 2801 is "Fluorine, chlorine, bromine and iodine". GST: 18%.

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