| Harmonised Commodity Description and Coding System (HS) - level 3 - Heading | 2921 | Amine-function compounds | 
                
                  
                    | Combined nomenclature 8 digits | 29215111 | m-Phenylenediamine of a purity by weight of >= 99% and containing <= 1% by weight of water, <= 200 mg/kg of o-phenylenediamine and <= 450 mg/kg of p-phenylenediamine | 
                
                  
                    | Combined nomenclature 8 digits | 29215119 | o-Phenylenediamine, m-phenylenediamine, p-phenylenediamine, diaminotoluenes, and their halogenated, sulphonated, nitrated and nitrosated derivatives; salts thereof (excl. m-phenylenediamine of a purity by weight of >= 99% and containing <= 1% by weight of water, <= 200 mg/kg of o-phenylenediamine and <= 450 mg/kg of p-phenylenediamine) | 
                
                  
                    | Combined nomenclature 8 digits | 29215190 | Derivatives of o-phenylenediamine, m-phenylenediamine, p-phenylenediamine or diaminotoluenes; salts thereof (excl. halogenated, sulphonated, nitrated and nitrosated derivatives, and salts thereof) |