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Chapter 31 of the HSN tariff covers Fertilisers. It has 5 headings (4-digit codes) and 36 tariff items (8-digit codes), each with its GST rate today. Tap a code to open it in the BooksOn HSN app with its conditions and the CBIC notification entry.
GST rate column: the rates in force on 26 October 2026 (IGST; CGST and SGST are half each). Where a code shows two or more rates, the rate depends on the goods (price, packing, buyer or use): open the code in the app or the GST Rate Finder to see which one fits. Reference only: confirm the rate in the CBIC notification.
3101 Animal or vegetable fertilisers, whether or not mixed together or chemically treated, fertilisers produced by the mixing or chemical treatment of animal or vegetable products
GST: Nil or 5%
| HSN code | Description | GST rate |
|---|---|---|
310100 | Animal or vegetable fertilisers, whether or not mixed together or chemically treated, fertilisers produced by the mixing or chemical treatment of animal or vegetable products | Nil or 5% |
31010010 | GUANO | Nil or 5% (by packing) |
31010091 | Animal dung | Nil or 5% (by packing) |
31010092 | Animal excreta | Nil or 5% (by packing) |
31010099 | Other | Nil or 5% (by packing) |
3102 Mineral or chemical fertilisers, nitrogenous
GST: 5% or 18%
| HSN code | Description | GST rate |
|---|---|---|
310210 | Urea, whether or not in aqueous solution | 5% or 18% |
31021000 | Mineral or chemical fertilisers, nitrogenous urea, whether or not in aqueous solution | 5% |
31021010 | Fertilizer grade, conforming to standard is 5405 | 5% |
31021090 | Other | 5% |
310221 | Ammonium sulphate | 5% or 18% |
31022100 | Ammonium sulphate | 5% |
310229 | Other | 5% or 18% |
31022910 | Ammonium sulphonitrate | 5% |
31022990 | Other | 5% |
310230 | Ammonium nitrate, whether or not in aqueous solution | 5% or 18% |
31023000 | Ammonium nitrate, whether or not in aqueous solution | 5% |
310240 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances | 5% or 18% |
31024000 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances | 5% |
310250 | Sodium nitrate | 5% or 18% |
31025000 | Sodium nitrate | 5% |
310260 | Double salts and mixtures of calcium nitrate and ammonium nitrate | 5% or 18% |
31026000 | Double salts and mixtures of calcium nitrate and ammonium nitrate | 5% |
31027000 | Mineral or chemical fertilisers, nitrogenous calcium cyanamide | 5% |
310280 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | 5% or 18% |
31028000 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | 5% |
310290 | Other, including mixtures not specified in the foregoing sub-headings | 5% or 18% |
31029010 | Double salts or mixtures of calcium nitrate and magnesium nitrate | 5% |
31029090 | Other | 5% |
3103 Mineral or chemical fertilisers, phosphatic
GST: 5% or 18%
| HSN code | Description | GST rate |
|---|---|---|
31031000 | Mineral or chemical fertilisers, phosphatic superphosphates | 5% |
310311 | Containing by weight 35 % or more of diphosphorus pentaoxide (p2o5) | 5% or 18% |
31031100 | Containing by weight 35 % or more of diphosphorus pentaoxide (P2O5) | 5% |
310319 | Other | 5% or 18% |
31031900 | Other | 5% |
31032000 | Mineral or chemical fertilisers, phosphatic basic slag | 5% |
310390 | Other | 5% or 18% |
31039000 | Other | 5% |
3104 Mineral or chemical fertilisers, potassic
GST: 5% or 18%
| HSN code | Description | GST rate |
|---|---|---|
31041000 | Mineral or chemical fertilisers, potassic carnallite, sylvite and other crude natural potassium salts | 5% |
310420 | Potassium chloride | 5% or 18% |
31042000 | Potassium chloride | 5% |
310430 | Potassium sulphate | 5% or 18% |
31043000 | Potassium sulphate | 5% |
310490 | Other | 5% or 18% |
31049000 | Other | 5% |
3105 Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
GST: 5% or 18%
| HSN code | Description | GST rate |
|---|---|---|
310510 | Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg. | 5% or 18% |
31051000 | Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg. | 5% or 18% |
310520 | Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium | 5% or 18% |
31052000 | Mineral or chemical fertilisers containing the three fertilising elements nitrogen,phosphorus and potassium | 5% |
310530 | Diammonium hydrogen ortho phosphate (diammonium phosphate) | 5% or 18% |
31053000 | Diammonium hydrogen ortho phosphate(diammonium phosphate) | 5% |
310540 | Ammonium dihydrogen ortho phosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogen orthophosphate (diammonium phosphate) | 5% or 18% |
31054000 | Ammonium dihydrogen ortho phosphate(monoammonium phosphate) and mixtures thereof with diammonium hydrogen orthophosphate (diammonium phosphate) | 5% |
310551 | Containing nitrates and phosphates | 5% or 18% |
31055100 | Containing nitrates and phosphates | 5% |
310559 | Other | 5% or 18% |
31055900 | Other | 5% |
310560 | Mineral or chemical fertilisers containing the two fertilising elements phosphorus and potassium | 5% or 18% |
31056000 | Mineral or chemical fertilisers containing the two fertilising elements phosphorus and potassium | 5% |
310590 | Other | 5% or 18% |
31059010 | Mineral or chemical fertilisers containing two fertilising elements namely nitrogen and potassium | 5% |
31059090 | Other | 5% |
Codes and descriptions from the BooksOn HSN dataset (version 7, 2026-10-19), compiled from the Customs Tariff and CBIC notifications. Reference only; see Sources & disclaimer.

