Home › HSN finder › Chapter 28

HSN chapter 28

HSN chapter 28: Inorganic chemicals; compounds of precious metals, rare-earth metals and radioactive elements

53 headings and 365 8-digit tariff items. HSN codes in this chapter start with 28.

⚠️About GST rates: GST rates on many goods changed from 22 September 2025, when most items moved to the 5% and 18% slabs and a few to 40%. This finder lists codes and descriptions only — confirm the rate for your item in the current CBIC rate notification before you invoice.

Headings in chapter 28

2801Fluorine, Chlorine, Bromine And Iodine · 4 items 2802Sulphur, Sublimed Or Precipitated; Colloidal Sulphur · 3 items 2803Carbon (Carbon Blacks And Other Forms Of Carbon Not Elsewhere Specified Or Included) · 3 items 2804Hydrogen, Rare Gases And Other Non-Metals · 16 items 2805Alkali Or Alkaline-Earth Metals; Rare-Earth Metals, Scandium And Yttrium, Whether Or Not Intermixed Or Interalloyed; Mercury · 5 items 2806Hydrogen Chloride (Hydrochloric Acid); Chlorosulphuric Acid · 2 items 2807Sulphuric Acid; Oleum Sulphuric Acid; Oleum : · 2 items 2808Nitric Acid; Sulphonitric Acids · 2 items 2809Fertilizer grade phosphoric acid · 3 items 2810Oxides Of Boron; Boric Acids · 2 items 2811Other Inorganic Acids And Other Inorganic Oxygen Compounds Of Non-Metals · 16 items 2812Halides And Halide Oxides Of Non-Metals · 14 items 2813Sulphides Of Non-Metals; Commercial Phosphorus Trisulphide · 4 items 2814Ammonia, Anhydrous Or In Aqueous Solution · 2 items 2815Sodium Hydroxide (Caustic Soda); Potassium Hydroxide (Caustic Potash); Peroxides Of Sodium Or Potassium · 5 items 2816Hydroxide And Peroxide Of Magnesium; Oxides, Hydroxides And Peroxides, Of Strontium Or Barium · 3 items 2817Zinc Oxide; Zinc Peroxide · 2 items 2818Artificial Corundum, Whether Or Not Chemically Defined; Aluminium Oxide; Aluminium Hydroxide · 4 items 2819Chromium Oxides And Hydroxides · 2 items 2820Manganese Oxides · 2 items 2821Iron Oxides And Hydroxides; Earth Colours Containing 70% Or More By Weight Of Combined Iron Evaluated As Fe2O3 · 3 items 2822Cobalt Oxides And Hydroxides; Commercial Cobalt Oxides · 3 items 2823Titanium Oxides · 2 items 2824Lead Oxides; Red Lead And Orange Lead · 4 items 2825Hydrazine And Hydroxylamine And Their Inorganic Salts; Other Inorganic Bases; Other Metal Oxides, Hydroxides And Peroxides · 22 items 2826Fluorides; Fluorosilicates, Fluoroaluminates And Other Complex Fluorine Salts · 9 items 2827Chlorides, Chloride Oxides And Chloride Hydroxides; Bromides And Bromide Oxides; Iodides And Iodide Oxides · 23 items 2828Hypochlorites; Commercial Calcium Hypochlorites; Chlorites; Hypobromites · 10 items 2829Chlorates And Perchlorates; Bromates And Perbromates; Iodates And Periodates · 8 items 2830Sulphides; Polysulphides, Whether Or Not Chemically Defined · 5 items 2831Dithionites And Sulphoxylates · 4 items 2832Sulphites; Thiosulphates · 9 items 2833Sulphates; Alums; Peroxosulphates (Persulphates) · 24 items 2834Nitrites; Nitrates · 7 items 2835Dicalcium phosphate (DCP) of animal feed grade conforming to IS specification No.5470 : 2002 · 17 items 2836Carbonates; Peroxocarbonates (Percarbonates); Commercial Ammonium Carbonate Containing Ammonium Carbamate · 15 items 2837Cyanides, Cyanide Oxides And Complex Cyanides · 10 items 2838Fulminates, Cyanates And Thiocyanates · 3 items 2839Silicates; Commercial Alkali Metal Silicates · 5 items 2840Borates; Peroxoborates (Perborates) · 5 items 2841Salts Of Oxometallic Or Peroxometallic Acids · 16 items 2842Other Salts Of Inorganic Acids Or Peroxoacids, (Including Aluminosilicates, Whether Or Not Chemically Defined), Other Than Azides · 4 items 2843Colloidal Precious Metals; Inorganic Or Organic Compounds Of Precious Metals, Whether Or Not Chemically Defined; Amalgams Of Precious Metals · 10 items 2844Radioactive Chemical Elements And Radioactive Isotopes (Including The Fissile Or Fertile Chemical Elements And Isotopes) And Their Compounds · 11 items 2845Heavy water and other nuclear fuels · 3 items 2846Compounds, Inorganic Or Organic, Of Rare-Earth Metals, Of Yttrium Or Of Scandium Or Of Mixtures Of These Metals · 6 items 2847Medicinal grade hydrogen peroxide · 1 items 2848Phosphides, Whether Or Not Chemically Defined, Excluding Ferrophosphorus · 3 items 2849Carbides, Whether Or Not Chemically Defined · 6 items 2850Hydrides, Nitrides, Azides, Silicides And Borides, Whether Or Not Chemically Defined, Other Than Compounds Which Are Also Carbides Of Headin · 6 items 2851Other Inorganic Compounds (Including Distilled Or Conductivity Water And Water Of Similar Purity); Liquid Air (Whether Or Not Rare Gases Hav · 7 items 2852Inorganic Or Organic Compounds Of Mercury, Whether Or Not Chemically Defined, Excluding · 2 items 2853Compressed air · 6 items

GST billing that fills the HSN in for you

SagacityBooks keeps the HSN/SAC on every item, checks each invoice as you type, and files your returns from the same books. Start free — no card.