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HSN 28214-Digit Heading

HSN 2821: Iron oxides and hydroxides – GST Rate

HSN 2821 covers iron oxides and hydroxides. GST on HSN 2821 is 5% or 18% depending on the conditions listed below (rates effective 22 September 2025). This heading has 3 tariff items, for example 2821 10 10, 2821 10 20 and 2821 20 00.

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

GST rates as per CBIC Notifications 09/2025 and 10/2025 (Central Tax - Rate), effective 22 September 2025. Last updated: October 2026. Always verify on the official GST portal before filing.

GST Rates for Heading 2821

5%CGST 2.5% + SGST 2.5% / IGST 5%

Thorium oxalate, Enriched KBF4 (enriched potassium fluroborate), Enriched elemental boron, Nuclear fuel

Reference: Schedule I, S. No. 210 (Spec: 28)

5%CGST 2.5% + SGST 2.5% / IGST 5%

Anaesthetics, Potassium Iodate, Iodine, Steam

Reference: Schedule I, S. No. 211 (Spec: 28)

18%CGST 9% + SGST 9% / IGST 18%

All inorganic chemicals [other than those specified in notification No.10/2025- Central Tax (Rate) dated 17th September 2025 or other Schedules of this notification]

Reference: Schedule II, S. No. 35 (Spec: 28)

If none of these descriptions fit your goods, the residual rate is 18% (Schedule II, S. No. 639).

Sub-Headings & Tariff Items Under 2821

Showing 5 sub-classification codes with complete hierarchy descriptions.

2821106-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > IRON OXIDES AND HYDROXIDES; EARTH COLOURS CONTAINING 70% OR MORE BY WEIGHT OF COMBINED IRON EVALUATED AS Fe2O3 > Iron Oxides And Hydroxides :

282110108-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > IRON OXIDES AND HYDROXIDES; EARTH COLOURS CONTAINING 70% OR MORE BY WEIGHT OF COMBINED IRON EVALUATED AS Fe2O3 > Iron Oxides And Hydroxides : > Iron Oxides

282110208-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > IRON OXIDES AND HYDROXIDES; EARTH COLOURS CONTAINING 70% OR MORE BY WEIGHT OF COMBINED IRON EVALUATED AS Fe2O3 > Iron Oxides And Hydroxides : > Iron Hydroxides

2821206-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > IRON OXIDES AND HYDROXIDES; EARTH COLOURS CONTAINING 70% OR MORE BY WEIGHT OF COMBINED IRON EVALUATED AS Fe2O3 > Earth Colours

282120008-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > IRON OXIDES AND HYDROXIDES; EARTH COLOURS CONTAINING 70% OR MORE BY WEIGHT OF COMBINED IRON EVALUATED AS Fe2O3 > Earth Colours > Earth Colours

Other Headings in Chapter 28

Fluorine, Chlorine, Bromine And Iodine

Sulphur, Sublimed Or Precipitated; Colloidal Sulphur

Carbon (Carbon Blacks And Other Forms Of Carbon Not Elsewhere Specified Or Included)

Hydrogen, Rare Gases And Other Non-Metals

Alkali Or Alkaline-Earth Metals, Rare-Earth Metals,Scandium And Yttrium, Whether Or Not Intermixed Or Interalloyed, Mercury

Hhydrogen Chloride (Hydrochloric Acid), Chlorosulphuric Acid

Sulphuric Acid; Oleum

Nitric Acid; Sulphonitric Acids

Diphosphorus Pentaoxide; Phosphoric Acid; Polyphosphoric Acids, Whether Or Not Chemically Defined

Oxides Of Boron, Boric Acids

Other Inorganic Acids And Other Inorganic Oxygen Compounds Of Non-Metals

Halides And Halide Oxides Of Non-Metals

Sulphides Of Non-Metals; Commercial Phosphorus Trisulphide

Ammonia, Anhydrous Or In Aqueous Solution

Sodium Hydroxide (Caustic Soda), Potassium Hydroxide (Caustic Potash), Peroxides Of Sodium Or Potassium

Hydroxide And Peroxide Of Magnesium; Oxides, Hydroxides And Peroxides, Of Strontium Or Barium

Zinc Oxide; Zinc Peroxide

Artificial Corundum, Whether Or Not Chemically Defined; Aluminium Oxide; Aluminium Hydroxide

Chromium Oxides And Hydroxides

Manganese Oxides

Cobalt Oxides And Hydroxides; Commercial Cobalt Oxides

Titanium Oxides

Lead Oxides; Red Lead And Orange Lead

Hydrazine And Hydroxylamine And Their Inorganic Salts; Other Inorganic Bases; Other Metal Oxides, Hydroxides And Peroxides

Fluorides, Fluorosilicates, Fluoroaluminates And Other Complex Fluorine Salts

Chlorides, Chloride Oxides And Chloride Hydroxides, Bromides And Bromide Oxides, Iodides And Iodide Oxides

Hypochlorites ; Commercial Calcium Hypochlorites; Chlorites; Hypobromites

Chlorates And Perchlorates, Bromates And Perbromates, Iodates And Periodates

Sulphides; Polysulphides, Whether Or Not Chemically Defined

Dithionites And Sulphoxylates

Sulphites; Thiosulphates

Sulphates; Alums; Peroxosulphates (Persulphates)

Nitrites; Nitrates

Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined

Carbonates; Peroxocarbonates (Percarbonates); Commercial Ammonium Carbonate Containing Ammonium Carbamate

Cyanides, Cyanide Oxides And Complex Cyanides

Fulminates, Cyanates And Thiocyanates - Fulminates, Cyanates And Thiocyanates : Fulminates

Silicates, Commercial Alkali Metal Silicates

Borates, Peroxoborates (Perborates)

Salts Of Oxometallic Or Peroxometallic Acids

Other Salts Of Inorganic Acids Or Peroxoacids, (Including Aluminosilicates, Whether Or Not Chemically Defined), Other Than Azides

Colloidal Precious Metals; Inorganic Or Organic Compounds Of Precious Metals, Whether Or Not Chemically Defined; Amalgams Of Precious Metals

Radioactive Chemical Elements And Radioactive Isotopes (Including The Fissile Or Fertile Chemical Elements And Isotopes) And Their Compounds; Mixtures And Residues Containing These Products

Isotopes Other Than Those Of Heading 2844; Compounds, Inorganic Or Organic, Of Such Isotopes, Whether Or Not Chemically Defined

Compounds, Inorganic Or Organic, Of Rare-Earth Metals, Of Yttrium Or Of Scandium Or Of Mixtures Of These Metals

Hydrogen Peroxide, Whether Or Not Solidified With Urea

Phosphides, Whether Or Not Chemically Defined, Excluding Ferrophosphorus

Carbides, Whether Or Not Chemically Defined

Hydrides, Nitrides, Azides, Silicides And Borides, Whether Or Not Chemically Defined, Other Than Compounds Which Are Also Carbides Of Heading 2849

Inorganic Or Organic Compounds Of Mercury, Whether Or Not Chemically Defined, Excluding Amalgams

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

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