ASYCUDA
  Online 2012 Harmonised Commodities Code database

You can enter a keyword or the first few digits from the commodity code, e.g. enter "book" to view commodities with the word book in the description, or enter"490" to view commodities whose code begins with 490.  Commodity codes can be as general as 1 digit or as specific as 6.

Commodities with Chapter Code: 31

Commodity Code Description
Section 06 : Products of the chemical or allied
   Chapter 31 : Fertilisers
     Heading 3101 : Animal or vegetable fertilizers
310100 Animal or vegetable fertilizers
     Heading 3102 : Mineral or chemical fertilizers, nitrogenous
310210 Urea
310221 Ammonium sulphate
310229 Double salts and mixtures of ammonium sulphate and ammonium nitrate
310230 Ammonium nitrate
310240 Mixtures of ammonium nitrate with inorganic non-fertilizing substances
310250 Sodium nitrate
310260 Double salts and mixtures of calcium nitrate and ammonium nitrate
310270 Calcium cyanamide
310280 Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution
310290 Mineral or chemical fertilizers, nitrogenous , nes
     Heading 3103 : Mineral or chemical fertilizers, phosphatic
310310 Superphosphates
310320 Basic slag
310390 Mineral or chemical fertilizers, phosphatic, nes
     Heading 3104 : Mineral or chemical fertilizers, potassic
310410 Carnallite, sylvite and other crude natural potassium salts
310420 Potassium chloride
310430 Potassium sulphate
310490 Mineral or chemical fertilizers, potassic, nes
     Heading 3105 : Mineral or chemical fertilizers, nes; other fertilizers; goods =<10kg
310510 Fertilizers... in packages of a gross weight =<10kg
310520 Mineral or chemical fertilizers with nitrogen, phosphorus and potassium
310530 Diammonium hydrogenorthophosphate (diammonium phosphate)
310540 Ammonium dihydrogenorthophosphate (monoammonium phosphate)
310551 Mineral or chemical fertilizers containing nitrates and phosphates
310559 Mineral or chemical fertilizers with nitrogen and phosphorus, nes
310560 Mineral or chemical fertilizers with phosphorus and potassium, nes
310590 Other fertilizers, nes