HSN Chapter 31: Fertilisers (2026)

Every HSN code under Chapter 31 from the GST portal HSN master (updated 2026-06-10): 5 four-digit headings with their 6 and 8-digit codes for GST invoices, e-way bills and customs documents.

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3101Animal or vegetable fertilisers, whether or not mixed together or chemically treated, fertilisers produced by the mixing or chemical treatment of animal or vegetable products

HSN codeDescription
310100Animal or vegetable fertilisers, whether or not mixed together or chemically treated, fertilisers produced by the mixing or chemical treatment of animal or vegetable products
31010010Guano
31010091Animal dung
31010092Animal excreta
31010099Other

3102Mineral or chemical fertilisers, nitrogenous

HSN codeDescription
310210Urea, whether or not in aqueous solution
31021000Mineral or chemical fertilisers, nitrogenous urea, whether or not in aqueous solution
31021010Fertilizer grade, conforming to standard is 5405
31021090Other
310221Ammonium sulphate
31022100Ammonium sulphate
310229Other
31022910Ammonium sulphonitrate
31022990Other
310230Ammonium nitrate, whether or not in aqueous solution
31023000Ammonium nitrate, whether or not in aqueous solution
310240Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances
31024000Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances
310250Sodium nitrate
31025000Sodium nitrate
310260Double salts and mixtures of calcium nitrate and ammonium nitrate
31026000Double salts and mixtures of calcium nitrate and ammonium nitrate
31027000Mineral or chemical fertilisers, nitrogenous calcium cyanamide
310280Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution
31028000Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution
310290Other, including mixtures not specified in the foregoing sub-headings
31029010Double salts or mixtures of calcium nitrate and magnesium nitrate
31029090Other

3103Mineral or chemical fertilisers, phosphatic

HSN codeDescription
31031000Mineral or chemical fertilisers, phosphatic superphosphates
310311Containing by weight 35 % or more of diphosphorus pentaoxide (p2o5)
31031100Containing by weight 35 % or more of diphosphorus pentaoxide (p2o5)
310319Other
31031900Other
31032000Mineral or chemical fertilisers, phosphatic basic slag
310390Other
31039000Other

3104Mineral or chemical fertilisers, potassic

HSN codeDescription
31041000Mineral or chemical fertilisers, potassic carnallite, sylvite and other crude natural potassium salts
310420Potassium chloride
31042000Potassium chloride
310430Potassium sulphate
31043000Potassium sulphate
310490Other
31049000Other

3105Mineral 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

HSN codeDescription
310510Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg.
31051000Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg.
310520Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium
31052000Mineral or chemical fertilisers containing the three fertilising elements nitrogen,phosphorus and potassium
310530Diammonium hydrogen ortho phosphate (diammonium phosphate)
31053000Diammonium hydrogen ortho phosphate(diammonium phosphate)
310540Ammonium dihydrogen ortho phosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogen orthophosphate (diammonium phosphate)
31054000Ammonium dihydrogen ortho phosphate(monoammonium phosphate) and mixtures thereof with diammonium hydrogen orthophosphate (diammonium phosphate)
310551Containing nitrates and phosphates
31055100Containing nitrates and phosphates
310559Other
31055900Other
310560Mineral or chemical fertilisers containing the two fertilising elements phosphorus and potassium
31056000Mineral or chemical fertilisers containing the two fertilising elements phosphorus and potassium
310590Other
31059010Mineral or chemical fertilisers containing two fertilising elements namely nitrogen and potassium
31059090Other

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